February 2022 - Kernel - mailweb.openeuler.org

[PATCH openEuler-1.0-LTS] bpf: Verifer, adjust_scalar_min_max_vals to always call update_reg_bounds()
by Yang Yingliang 22 Feb '22

22 Feb '22

From: John Fastabend <john.fastabend(a)gmail.com> mainline inclusion from mainline-v5.7-rc1 commit 294f2fc6da27620a506e6c050241655459ccd6bd category: bugfix bugzilla: NA CVE: CVE-2021-4159 ----------------------------------------------- Currently, for all op verification we call __red_deduce_bounds() and __red_bound_offset() but we only call __update_reg_bounds() in bitwise ops. However, we could benefit from calling __update_reg_bounds() in BPF_ADD, BPF_SUB, and BPF_MUL cases as well. For example, a register with state 'R1_w=invP0' when we subtract from it, w1 -= 2 Before coerce we will now have an smin_value=S64_MIN, smax_value=U64_MAX and unsigned bounds umin_value=0, umax_value=U64_MAX. These will then be clamped to S32_MIN, U32_MAX values by coerce in the case of alu32 op as done in above example. However tnum will be a constant because the ALU op is done on a constant. Without update_reg_bounds() we have a scenario where tnum is a const but our unsigned bounds do not reflect this. By calling update_reg_bounds after coerce to 32bit we further refine the umin_value to U64_MAX in the alu64 case or U32_MAX in the alu32 case above. Signed-off-by: John Fastabend <john.fastabend(a)gmail.com> Signed-off-by: Alexei Starovoitov <ast(a)kernel.org> Link: https://lore.kernel.org/bpf/158507151689.15666.566796274289413203.stgit@joh… Signed-off-by: He Fengqing <hefengqing(a)huawei.com> Reviewed-by: Xiu Jianfeng <xiujianfeng(a)huawei.com> Reviewed-by: Kuohai Xu <xukuohai(a)huawei.com> Signed-off-by: Yang Yingliang <yangyingliang(a)huawei.com> --- kernel/bpf/verifier.c | 1 + 1 file changed, 1 insertion(+) diff --git a/kernel/bpf/verifier.c b/kernel/bpf/verifier.c index 446655caa2625..c3c592654cf10 100644 --- a/kernel/bpf/verifier.c +++ b/kernel/bpf/verifier.c @@ -3553,6 +3553,7 @@ static int adjust_scalar_min_max_vals(struct bpf_verifier_env *env, coerce_reg_to_size(dst_reg, 4); } + __update_reg_bounds(dst_reg); __reg_deduce_bounds(dst_reg); __reg_bound_offset(dst_reg); return 0; -- 2.25.1

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[PATCH OLK-5.10 v3 0/7] Backport zhaoxin enhancement and bugfix
by Zheng Zengkai 22 Feb '22

22 Feb '22

v2->v3: Fix compile warning "ahci_error_intr ISO C90 forbids mixed declarations and code" Backport zhaoxin enhancement and bugfix patches. LeoLiu-oc (7): rtc: Fix set RTC time delay 500ms on some Zhaoxin SOCs XHCI: Fix some device identify fail when enable xHCI runtime suspend EHCI: Clear wakeup signal locked in S0 state when device plug in Fix some bugs like plugin support and sata link stability when user enable ahci RTD3 Add support for disabling PhyRdy Change Interrupt based on actual LPM capability Add support for PxSCT.LPM set based on actual LPM capability x86/tsc: Make cur->adjusted values in package#1 to be the same arch/x86/kernel/tsc_sync.c | 5 +++++ drivers/ata/ahci.c | 24 ++++++++++++++++++++++++ drivers/ata/libahci.c | 15 +++++++++++++++ drivers/ata/libata-eh.c | 7 +++++++ drivers/ata/libata-sata.c | 20 ++++++++++++++++++-- drivers/pci/pci-driver.c | 6 +++++- drivers/rtc/rtc-mc146818-lib.c | 16 ++++++++++++++++ drivers/usb/host/ehci-hcd.c | 21 +++++++++++++++++++++ drivers/usb/host/ehci-pci.c | 4 ++++ drivers/usb/host/ehci.h | 1 + drivers/usb/host/xhci-pci.c | 2 ++ include/linux/libata.h | 4 ++++ 12 files changed, 122 insertions(+), 3 deletions(-) -- 2.20.1

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[PATCH openEuler-1.0-LTS] livepatch/x86: Fix incorrect use of 'strncpy'
by Yang Yingliang 22 Feb '22

22 Feb '22

From: Zheng Yejian <zhengyejian1(a)huawei.com> hulk inclusion category: bugfix bugzilla: 186253, https://gitee.com/openeuler/kernel/issues/I4TYA9 CVE: NA ----------------------------------------------- Refer to following codes, 'strncpy' would stop copying if Null character encountered. For example, when 'code' is "53 be 00 0a 05", 'old_code' would be "53 be 00 00 00". > 276 static unsigned char *klp_old_code(unsigned char *code) > 277 { > 278 static union klp_code_union old_code; > 279 > 280 strncpy(old_code.code, code, JMP_E9_INSN_SIZE); > 281 return old_code.code; > 282 } As a result, the instructions cannot be restored completely, and the system becomes abnormal. Fixes: 7e2ab91ea076 ("livepatch/x86: support livepatch without ftrace") Signed-off-by: Zheng Yejian <zhengyejian1(a)huawei.com> Reviewed-by: Kuohai Xu <xukuohai(a)huawei.com> Signed-off-by: Yang Yingliang <yangyingliang(a)huawei.com> --- arch/x86/kernel/livepatch.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/x86/kernel/livepatch.c b/arch/x86/kernel/livepatch.c index 0e118adf14087..785bba03b77fa 100644 --- a/arch/x86/kernel/livepatch.c +++ b/arch/x86/kernel/livepatch.c @@ -277,7 +277,7 @@ static unsigned char *klp_old_code(unsigned char *code) { static union klp_code_union old_code; - strncpy(old_code.code, code, JMP_E9_INSN_SIZE); + memcpy(old_code.code, code, JMP_E9_INSN_SIZE); return old_code.code; } -- 2.25.1

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[PATCH OLK-5.10 v2] scsi: spfc: Remove redundant mask and spinlock
by Yanling Song 22 Feb '22

22 Feb '22

Ramaxel inclusion category: bugfix bugzilla: https://gitee.com/openeuler/kernel/issues/I4UA67 CVE: NA Changes from v1: Update description. Fix: 1.Remove UNF_ORIGIN_HOTTAG_MASK and UNF_HOTTAG_FLAG 2.Update some output string 3.Remove spinlock protect in free_parent_sq() because there is spinlock protect in caller function free_parent_queue_info() Signed-off-by: Yanling Song <songyl(a)ramaxel.com> Reviewed-by: Yun Xu <xuyun(a)ramaxel.com> --- drivers/scsi/spfc/common/unf_common.h | 2 -- drivers/scsi/spfc/common/unf_io.c | 3 +-- drivers/scsi/spfc/common/unf_io_abnormal.c | 2 +- drivers/scsi/spfc/common/unf_rport.c | 2 +- drivers/scsi/spfc/common/unf_service.c | 19 +++++-------------- drivers/scsi/spfc/hw/spfc_hba.c | 2 +- drivers/scsi/spfc/hw/spfc_io.c | 2 +- drivers/scsi/spfc/hw/spfc_queue.c | 5 ----- drivers/scsi/spfc/hw/spfc_service.c | 22 ++++++++++++---------- 9 files changed, 22 insertions(+), 37 deletions(-) diff --git a/drivers/scsi/spfc/common/unf_common.h b/drivers/scsi/spfc/common/unf_common.h index bf9d156e07ce..9613649308bf 100644 --- a/drivers/scsi/spfc/common/unf_common.h +++ b/drivers/scsi/spfc/common/unf_common.h @@ -12,8 +12,6 @@ #define SPFC_DRV_DESC "Ramaxel Memory Technology Fibre Channel Driver" #define UNF_MAX_SECTORS 0xffff -#define UNF_ORIGIN_HOTTAG_MASK 0x7fff -#define UNF_HOTTAG_FLAG (1 << 15) #define UNF_PKG_FREE_OXID 0x0 #define UNF_PKG_FREE_RXID 0x1 diff --git a/drivers/scsi/spfc/common/unf_io.c b/drivers/scsi/spfc/common/unf_io.c index b1255ecba88c..5de69f8ddc6d 100644 --- a/drivers/scsi/spfc/common/unf_io.c +++ b/drivers/scsi/spfc/common/unf_io.c @@ -890,8 +890,7 @@ static int unf_send_fcpcmnd(struct unf_lport *lport, struct unf_rport *rport, unf_xchg->private_data[PKG_PRIVATE_XCHG_ALLOC_TIME]; pkg.private_data[PKG_PRIVATE_XCHG_VP_INDEX] = unf_lport->vp_index; pkg.private_data[PKG_PRIVATE_XCHG_RPORT_INDEX] = unf_rport->rport_index; - pkg.private_data[PKG_PRIVATE_XCHG_HOT_POOL_INDEX] = - unf_xchg->hotpooltag | UNF_HOTTAG_FLAG; + pkg.private_data[PKG_PRIVATE_XCHG_HOT_POOL_INDEX] = unf_xchg->hotpooltag; unf_select_sq(unf_xchg, &pkg); pkg.fcp_cmnd = &unf_xchg->fcp_cmnd; diff --git a/drivers/scsi/spfc/common/unf_io_abnormal.c b/drivers/scsi/spfc/common/unf_io_abnormal.c index fece7aa5f441..4e268ac026ca 100644 --- a/drivers/scsi/spfc/common/unf_io_abnormal.c +++ b/drivers/scsi/spfc/common/unf_io_abnormal.c @@ -763,7 +763,7 @@ int unf_send_scsi_mgmt_cmnd(struct unf_xchg *xchg, struct unf_lport *lport, pkg.xchg_contex = unf_xchg; pkg.private_data[PKG_PRIVATE_XCHG_RPORT_INDEX] = rport->rport_index; pkg.fcp_cmnd = &unf_xchg->fcp_cmnd; - pkg.private_data[PKG_PRIVATE_XCHG_HOT_POOL_INDEX] = unf_xchg->hotpooltag | UNF_HOTTAG_FLAG; + pkg.private_data[PKG_PRIVATE_XCHG_HOT_POOL_INDEX] = unf_xchg->hotpooltag; pkg.frame_head.csctl_sid = lport->nport_id; pkg.frame_head.rctl_did = rport->nport_id; diff --git a/drivers/scsi/spfc/common/unf_rport.c b/drivers/scsi/spfc/common/unf_rport.c index aa4967fc0ab6..9b06df884524 100644 --- a/drivers/scsi/spfc/common/unf_rport.c +++ b/drivers/scsi/spfc/common/unf_rport.c @@ -352,7 +352,7 @@ struct unf_rport *unf_find_valid_rport(struct unf_lport *lport, u64 wwpn, u32 si spin_unlock_irqrestore(rport_state_lock, flags); FC_DRV_PRINT(UNF_LOG_LOGIN_ATT, UNF_INFO, - "[err]Port(0x%x) RPort(0x%p) find by WWPN(0x%llx) is invalid", + "[info]Port(0x%x) RPort(0x%p) find by WWPN(0x%llx) is invalid", lport->port_id, rport_by_wwpn, wwpn); rport_by_wwpn = NULL; diff --git a/drivers/scsi/spfc/common/unf_service.c b/drivers/scsi/spfc/common/unf_service.c index 8f72f6470647..9c86c99374c8 100644 --- a/drivers/scsi/spfc/common/unf_service.c +++ b/drivers/scsi/spfc/common/unf_service.c @@ -130,7 +130,7 @@ void unf_fill_package(struct unf_frame_pkg *pkg, struct unf_xchg *xchg, pkg->private_data[PKG_PRIVATE_RPORT_RX_SIZE] = rport->max_frame_size; } - pkg->private_data[PKG_PRIVATE_XCHG_HOT_POOL_INDEX] = xchg->hotpooltag | UNF_HOTTAG_FLAG; + pkg->private_data[PKG_PRIVATE_XCHG_HOT_POOL_INDEX] = xchg->hotpooltag; pkg->private_data[PKG_PRIVATE_XCHG_ALLOC_TIME] = xchg->private_data[PKG_PRIVATE_XCHG_ALLOC_TIME]; pkg->private_data[PKG_PRIVATE_LOWLEVEL_XCHG_ADD] = @@ -250,7 +250,7 @@ u32 unf_send_abts(struct unf_lport *lport, struct unf_xchg *xchg) pkg.unf_cmnd_pload_bl.buffer_ptr = (u8 *)xchg->fcp_sfs_union.sfs_entry.fc_sfs_entry_ptr; pkg.unf_cmnd_pload_bl.buf_dma_addr = xchg->fcp_sfs_union.sfs_entry.sfs_buff_phy_addr; - pkg.private_data[PKG_PRIVATE_XCHG_HOT_POOL_INDEX] = xchg->hotpooltag | UNF_HOTTAG_FLAG; + pkg.private_data[PKG_PRIVATE_XCHG_HOT_POOL_INDEX] = xchg->hotpooltag; UNF_SET_XCHG_ALLOC_TIME(&pkg, xchg); UNF_SET_ABORT_INFO_IOTYPE(&pkg, xchg); @@ -407,19 +407,10 @@ static u32 unf_els_cmnd_default_handler(struct unf_lport *lport, struct unf_xchg rjt_info.reason_code = UNF_LS_RJT_NOT_SUPPORTED; unf_rport = unf_get_rport_by_nport_id(lport, sid); - if (unf_rport) { - if (unf_rport->rport_index != - xchg->private_data[PKG_PRIVATE_XCHG_RPORT_INDEX]) { - FC_DRV_PRINT(UNF_LOG_LOGIN_ATT, UNF_WARN, - "[warn]Port(0x%x_0x%x) NPort handle(0x%x) from low level is not equal to RPort index(0x%x)", - lport->port_id, lport->nport_id, - xchg->private_data[PKG_PRIVATE_XCHG_RPORT_INDEX], - unf_rport->rport_index); - } + if (unf_rport) ret = unf_send_els_rjt_by_rport(lport, xchg, unf_rport, &rjt_info); - } else { + else ret = unf_send_els_rjt_by_did(lport, xchg, sid, &rjt_info); - } return ret; } @@ -1389,7 +1380,7 @@ static void unf_fill_free_xid_pkg(struct unf_xchg *xchg, struct unf_frame_pkg *p pkg->frame_head.csctl_sid = xchg->sid; pkg->frame_head.rctl_did = xchg->did; pkg->frame_head.oxid_rxid = (u32)(((u32)xchg->oxid << UNF_SHIFT_16) | xchg->rxid); - pkg->private_data[PKG_PRIVATE_XCHG_HOT_POOL_INDEX] = xchg->hotpooltag | UNF_HOTTAG_FLAG; + pkg->private_data[PKG_PRIVATE_XCHG_HOT_POOL_INDEX] = xchg->hotpooltag; UNF_SET_XCHG_ALLOC_TIME(pkg, xchg); if (xchg->xchg_type == UNF_XCHG_TYPE_SFS) { diff --git a/drivers/scsi/spfc/hw/spfc_hba.c b/drivers/scsi/spfc/hw/spfc_hba.c index e12299c9e2c9..b033dcb78bb3 100644 --- a/drivers/scsi/spfc/hw/spfc_hba.c +++ b/drivers/scsi/spfc/hw/spfc_hba.c @@ -56,7 +56,7 @@ static struct unf_cfg_item spfc_port_cfg_parm[] = { {"port_topology", 0, 0xf, 0x20}, {"port_alpa", 0, 0xdead, 0xffff}, /* alpa address of port */ /* queue depth of originator registered to SCSI midlayer */ - {"max_queue_depth", 0, 128, 128}, + {"max_queue_depth", 0, 512, 512}, {"sest_num", 0, 2048, 2048}, {"max_login", 0, 2048, 2048}, /* nodename from 32 bit to 64 bit */ diff --git a/drivers/scsi/spfc/hw/spfc_io.c b/drivers/scsi/spfc/hw/spfc_io.c index 2b1d1c607b13..7184eb6a10af 100644 --- a/drivers/scsi/spfc/hw/spfc_io.c +++ b/drivers/scsi/spfc/hw/spfc_io.c @@ -1138,7 +1138,7 @@ u32 spfc_scq_recv_iresp(struct spfc_hba_info *hba, union spfc_scqe *wqe) pkg.private_data[PKG_PRIVATE_XCHG_ALLOC_TIME] = iresp->magic_num; pkg.frame_head.oxid_rxid = (((iresp->wd0.ox_id) << UNF_SHIFT_16) | (iresp->wd0.rx_id)); - hot_tag = (u16)iresp->wd2.hotpooltag & UNF_ORIGIN_HOTTAG_MASK; + hot_tag = (u16)iresp->wd2.hotpooltag; /* 2. HotTag validity check */ if (likely(hot_tag >= hba->exi_base && (hot_tag < hba->exi_base + hba->exi_count))) { pkg.status = UNF_IO_SUCCESS; diff --git a/drivers/scsi/spfc/hw/spfc_queue.c b/drivers/scsi/spfc/hw/spfc_queue.c index abcf1ff3f49f..fa4295832da7 100644 --- a/drivers/scsi/spfc/hw/spfc_queue.c +++ b/drivers/scsi/spfc/hw/spfc_queue.c @@ -2138,11 +2138,9 @@ static void spfc_free_parent_sq(struct spfc_hba_info *hba, u32 uidelaycnt = 0; struct list_head *list = NULL; struct spfc_suspend_sqe_info *suspend_sqe = NULL; - ulong flag = 0; sq_info = &parq_info->parent_sq_info; - spin_lock_irqsave(&parq_info->parent_queue_state_lock, flag); while (!list_empty(&sq_info->suspend_sqe_list)) { list = UNF_OS_LIST_NEXT(&sq_info->suspend_sqe_list); list_del(list); @@ -2156,7 +2154,6 @@ static void spfc_free_parent_sq(struct spfc_hba_info *hba, kfree(suspend_sqe); } } - spin_unlock_irqrestore(&parq_info->parent_queue_state_lock, flag); /* Free data cos */ spfc_update_cos_rport_cnt(hba, parq_info->queue_data_cos); @@ -4475,9 +4472,7 @@ void spfc_free_parent_queue_info(void *handle, struct spfc_parent_queue_info *pa * with the sq in the queue of the parent */ - spin_unlock_irqrestore(prtq_state_lock, flag); spfc_free_parent_sq(hba, parent_queue_info); - spin_lock_irqsave(prtq_state_lock, flag); /* The initialization of all queue id is invalid */ parent_queue_info->parent_cmd_scq_info.cqm_queue_id = INVALID_VALUE32; diff --git a/drivers/scsi/spfc/hw/spfc_service.c b/drivers/scsi/spfc/hw/spfc_service.c index e99802df50a2..1da58e3f9fbe 100644 --- a/drivers/scsi/spfc/hw/spfc_service.c +++ b/drivers/scsi/spfc/hw/spfc_service.c @@ -742,7 +742,7 @@ u32 spfc_scq_recv_abts_rsp(struct spfc_hba_info *hba, union spfc_scqe *scqe) ox_id = (u32)(abts_rsp->wd0.ox_id); - hot_tag = abts_rsp->wd1.hotpooltag & UNF_ORIGIN_HOTTAG_MASK; + hot_tag = abts_rsp->wd1.hotpooltag; if (unlikely(hot_tag < (u32)hba->exi_base || hot_tag >= (u32)(hba->exi_base + hba->exi_count))) { FC_DRV_PRINT(UNF_LOG_LOGIN_ATT, UNF_ERR, @@ -1210,7 +1210,7 @@ u32 spfc_scq_recv_ls_gs_rsp(struct spfc_hba_info *hba, union spfc_scqe *scqe) spfc_swap_16_in_32((u32 *)ls_gs_rsp_scqe->user_id, SPFC_LS_GS_USERID_LEN); ox_id = ls_gs_rsp_scqe->wd1.ox_id; - hot_tag = ((u16)(ls_gs_rsp_scqe->wd5.hotpooltag) & UNF_ORIGIN_HOTTAG_MASK) - hba->exi_base; + hot_tag = ((u16)ls_gs_rsp_scqe->wd5.hotpooltag) - hba->exi_base; pkg.frame_head.oxid_rxid = (u32)(ls_gs_rsp_scqe->wd1.rx_id) | ox_id << UNF_SHIFT_16; pkg.private_data[PKG_PRIVATE_XCHG_ALLOC_TIME] = ls_gs_rsp_scqe->magic_num; pkg.private_data[PKG_PRIVATE_XCHG_HOT_POOL_INDEX] = hot_tag; @@ -1317,8 +1317,7 @@ u32 spfc_scq_recv_els_rsp_sts(struct spfc_hba_info *hba, union spfc_scqe *scqe) pkg.private_data[PKG_PRIVATE_XCHG_ALLOC_TIME] = els_rsp_sts_scqe->magic_num; pkg.frame_head.oxid_rxid = rx_id | (u32)(els_rsp_sts_scqe->wd0.ox_id) << UNF_SHIFT_16; - hot_tag = (u32)((els_rsp_sts_scqe->wd1.hotpooltag & UNF_ORIGIN_HOTTAG_MASK) - - hba->exi_base); + hot_tag = (u32)(els_rsp_sts_scqe->wd1.hotpooltag - hba->exi_base); if (unlikely(SPFC_SCQE_HAS_ERRCODE(scqe))) pkg.status = UNF_IO_FAILED; @@ -1759,7 +1758,7 @@ u32 spfc_scq_recv_marker_sts(struct spfc_hba_info *hba, union spfc_scqe *scqe) tmf_marker_sts_scqe = &scqe->itmf_marker_sts; ox_id = (u32)tmf_marker_sts_scqe->wd1.ox_id; rx_id = (u32)tmf_marker_sts_scqe->wd1.rx_id; - hot_tag = (tmf_marker_sts_scqe->wd4.hotpooltag & UNF_ORIGIN_HOTTAG_MASK) - hba->exi_base; + hot_tag = tmf_marker_sts_scqe->wd4.hotpooltag - hba->exi_base; pkg.frame_head.oxid_rxid = rx_id | (u32)(ox_id) << UNF_SHIFT_16; pkg.private_data[PKG_PRIVATE_XCHG_ALLOC_TIME] = tmf_marker_sts_scqe->magic_num; pkg.frame_head.csctl_sid = tmf_marker_sts_scqe->wd3.sid; @@ -1800,7 +1799,7 @@ u32 spfc_scq_recv_abts_marker_sts(struct spfc_hba_info *hba, union spfc_scqe *sc ox_id = (u32)abts_marker_sts_scqe->wd1.ox_id; rx_id = (u32)abts_marker_sts_scqe->wd1.rx_id; - hot_tag = (abts_marker_sts_scqe->wd4.hotpooltag & UNF_ORIGIN_HOTTAG_MASK) - hba->exi_base; + hot_tag = abts_marker_sts_scqe->wd4.hotpooltag - hba->exi_base; pkg.frame_head.oxid_rxid = rx_id | (u32)(ox_id) << UNF_SHIFT_16; pkg.frame_head.csctl_sid = abts_marker_sts_scqe->wd3.sid; pkg.frame_head.rctl_did = abts_marker_sts_scqe->wd2.did; @@ -1972,8 +1971,7 @@ u32 spfc_scq_free_xid_sts(struct spfc_hba_info *hba, union spfc_scqe *scqe) rx_id = (u32)free_xid_sts_scqe->wd0.rx_id; if (free_xid_sts_scqe->wd1.hotpooltag != INVALID_VALUE16) { - hot_tag = (free_xid_sts_scqe->wd1.hotpooltag & - UNF_ORIGIN_HOTTAG_MASK) - hba->exi_base; + hot_tag = free_xid_sts_scqe->wd1.hotpooltag - hba->exi_base; } FC_DRV_PRINT(UNF_LOG_EQUIP_ATT, UNF_INFO, @@ -1998,7 +1996,7 @@ u32 spfc_scq_exchg_timeout_sts(struct spfc_hba_info *hba, union spfc_scqe *scqe) rx_id = (u32)time_out_scqe->wd0.rx_id; if (time_out_scqe->wd1.hotpooltag != INVALID_VALUE16) - hot_tag = (time_out_scqe->wd1.hotpooltag & UNF_ORIGIN_HOTTAG_MASK) - hba->exi_base; + hot_tag = time_out_scqe->wd1.hotpooltag - hba->exi_base; FC_DRV_PRINT(UNF_LOG_EQUIP_ATT, UNF_INFO, "Port(0x%x) recv timer time out sts hotpooltag(0x%x) magicnum(0x%x) ox_id(0x%x) rxid(0x%x) sts(%d)", @@ -2054,7 +2052,7 @@ u32 spfc_scq_rcv_sq_nop_sts(struct spfc_hba_info *hba, union spfc_scqe *scqe) FC_DRV_PRINT(UNF_LOG_LOGIN_ATT, UNF_INFO, "[info]Port(0x%x) rport_index(0x%x) find suspend sqe.", hba->port_cfg.port_id, rport_index); - if (sqn < sqn_max) { + if ((sqn < sqn_max) && (sqn >= sqn_base)) { ret = spfc_send_nop_cmd(hba, parent_sq_info, magic_num, sqn + 1); } else if (sqn == sqn_max) { if (!cancel_delayed_work(&suspend_sqe->timeout_work)) { @@ -2065,6 +2063,10 @@ u32 spfc_scq_rcv_sq_nop_sts(struct spfc_hba_info *hba, union spfc_scqe *scqe) parent_sq_info->need_offloaded = suspend_sqe->old_offload_sts; ret = spfc_pop_suspend_sqe(hba, prt_qinfo, suspend_sqe); kfree(suspend_sqe); + } else { + FC_DRV_PRINT(UNF_LOG_LOGIN_ATT, UNF_WARN, + "[warn]Port(0x%x) rport(0x%x) rcv error sqn(0x%x)", + hba->port_cfg.port_id, rport_index, sqn); } } else { FC_DRV_PRINT(UNF_LOG_LOGIN_ATT, UNF_WARN, -- 2.32.0

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[PATCH OLK-5.10 v2 0/5] net/spnic: spnic bugfix series
by Yanling Song 22 Feb '22

22 Feb '22

Fix 5 bugs: 1. Fix array bounds error in ethtool get_link_ksettings 2. Fix ethtool loopback command failure 3. Fix xor checksum error when sending a non 4B-aligned message to firmware 4. Fix an error when netdev failed to link up 5. Reduce the timeout of the channel between driver and firmware Yanling Song (5): net/spnic: Fix array bounds error in ethtool get_link_ksettings net/spnic: Fix ethtool loopback command failure net/spnic: Fix xor checksum error when sending a non 4B-aligned message to firmware net/spnic: Fix an error when netdev failed to link up net/spnic: Reduce the timeout of the channel between driver and firmware .../net/ethernet/ramaxel/spnic/hw/sphw_cmdq.c | 2 +- .../net/ethernet/ramaxel/spnic/hw/sphw_mbox.c | 10 ++-- .../net/ethernet/ramaxel/spnic/hw/sphw_mgmt.c | 2 +- .../ramaxel/spnic/spnic_ethtool_stats.c | 4 +- .../ethernet/ramaxel/spnic/spnic_mag_cfg.c | 2 +- .../ethernet/ramaxel/spnic/spnic_nic_cfg_vf.c | 49 ++++++++++++------- 6 files changed, 41 insertions(+), 28 deletions(-) -- 2.32.0

1 5

[PATCH OLK-5.10] configs: enable CONFIG_NTB_INTEL
by Chao Liu 22 Feb '22

22 Feb '22

euler inclusion category: feature bugzilla: https://gitee.com/openeuler/kernel/issues/I4UP2Q CVE: NA -------------------------------- Enable CONFIG_NTB_INTEL in openeuler_defconfig for x86. Support Intel NTB on capable Xeon and Atom hardware. Signed-off-by: Chao Liu <liuchao173(a)huawei.com> --- arch/x86/configs/openeuler_defconfig | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/x86/configs/openeuler_defconfig b/arch/x86/configs/openeuler_defconfig index 316c4122a859..7cda312e96a3 100644 --- a/arch/x86/configs/openeuler_defconfig +++ b/arch/x86/configs/openeuler_defconfig @@ -7121,7 +7121,7 @@ CONFIG_NTB=m # CONFIG_NTB_MSI is not set # CONFIG_NTB_AMD is not set # CONFIG_NTB_IDT is not set -# CONFIG_NTB_INTEL is not set +CONFIG_NTB_INTEL=m # CONFIG_NTB_SWITCHTEC is not set # CONFIG_NTB_PINGPONG is not set # CONFIG_NTB_TOOL is not set -- 2.23.0

2 1

[PATCH OLK-5.10] uce: copy_from_user scenario support kernel recovery
by Tong Tiangen 22 Feb '22

22 Feb '22

hulk inclusion category: feature bugzilla: https://gitee.com/openeuler/kernel/issues/I4PM10 CVE: NA -------------------------------- This patch add uce kernel recovery path support in copy_from_user. Signed-off-by: Tong Tiangen <tongtiangen(a)huawei.com> --- arch/arm64/Kconfig | 9 ++ arch/arm64/include/asm/exception.h | 12 +++ arch/arm64/lib/copy_from_user.S | 5 + arch/arm64/mm/fault.c | 154 +++++++++++++++++++++++++++++ include/linux/kernel.h | 4 + kernel/sysctl.c | 11 +++ 6 files changed, 195 insertions(+) diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig index c0f6a275f798..f0198d7f8333 100644 --- a/arch/arm64/Kconfig +++ b/arch/arm64/Kconfig @@ -2155,6 +2155,15 @@ config ARCH_HIBERNATION_HEADER config ARCH_SUSPEND_POSSIBLE def_bool y +config UCE_KERNEL_RECOVERY + bool "uce kernel recovery from special scenario" + def_bool y + help + With ARM v8.2 RAS Extension, SEA are usually triggered when memory errors + are consumed. In some cases, if the error address is in a user page there + is a chance to recover. Such as error occurs in COW and pagecache reading + scenario, we can isolate this page and killing process instead of die. + endmenu menu "CPU Power Management" diff --git a/arch/arm64/include/asm/exception.h b/arch/arm64/include/asm/exception.h index 0756191f44f6..bad92fe763fb 100644 --- a/arch/arm64/include/asm/exception.h +++ b/arch/arm64/include/asm/exception.h @@ -53,4 +53,16 @@ void do_cp15instr(unsigned int esr, struct pt_regs *regs); void do_el0_svc(struct pt_regs *regs); void do_el0_svc_compat(struct pt_regs *regs); void do_ptrauth_fault(struct pt_regs *regs, unsigned int esr); + +#ifdef CONFIG_UCE_KERNEL_RECOVERY +struct uce_kernel_recovery_info { + int (*fn)(void); + const char *name; + unsigned long addr; + unsigned long size; +}; + +extern int copy_from_user_sea_fallback(void); +#endif + #endif /* __ASM_EXCEPTION_H */ diff --git a/arch/arm64/lib/copy_from_user.S b/arch/arm64/lib/copy_from_user.S index 2cf999e41d30..ffd07e9822f2 100644 --- a/arch/arm64/lib/copy_from_user.S +++ b/arch/arm64/lib/copy_from_user.S @@ -60,6 +60,11 @@ SYM_FUNC_START(__arch_copy_from_user) #include "copy_template.S" mov x0, #0 // Nothing to copy ret + + .global copy_from_user_sea_fallback +copy_from_user_sea_fallback: + mov x0, #-1 + ret SYM_FUNC_END(__arch_copy_from_user) EXPORT_SYMBOL(__arch_copy_from_user) diff --git a/arch/arm64/mm/fault.c b/arch/arm64/mm/fault.c index 3fc5aceb72eb..7f76e277daa3 100644 --- a/arch/arm64/mm/fault.c +++ b/arch/arm64/mm/fault.c @@ -634,6 +634,127 @@ static int do_bad(unsigned long addr, unsigned int esr, struct pt_regs *regs) return 1; /* "fault" */ } +#ifdef CONFIG_UCE_KERNEL_RECOVERY +int kernel_access_sea_recovery; + +#define UCE_KER_REC_NUM ARRAY_SIZE(reco_info) +static struct uce_kernel_recovery_info reco_info[] = { + {NULL, NULL, 0, 0}, + {NULL, NULL, 0, 0}, + {copy_from_user_sea_fallback, "__arch_copy_from_user", (unsigned long)__arch_copy_from_user, 0}, +}; + +static int __init kernel_access_sea_recovery_init(void) +{ + unsigned long addr, size, offset; + unsigned int i; + + for (i = 0; i < UCE_KER_REC_NUM; i++) { + addr = reco_info[i].addr; + if (!kallsyms_lookup_size_offset(addr, &size, &offset)) { + pr_info("UCE: symbol %s lookup addr fail.\n", + reco_info[i].name); + size = 0; + } + + reco_info[i].size = size; + } + + return 1; +} +fs_initcall(kernel_access_sea_recovery_init); + +static int __init enable_kernel_access_sea_recovery(char *str) +{ + int max = (1 << UCE_KER_REC_NUM) - 1; + int val; + + if (kstrtoint(str, 0, &val)) + return -EINVAL; + + if (val < 0 || val > max) { + pr_info("UCE: invalid uce_kernel_recovery value %d", val); + return -EINVAL; + } + + kernel_access_sea_recovery = val; + + return 1; +} +__setup("uce_kernel_recovery=", enable_kernel_access_sea_recovery); + +/* + * what is kernel recovery? + * If the process's private data is accessed in the kernel mode to trigger + * special sea fault, it can controlled by killing the process and isolating + * the failure pages instead of die. + */ +static int is_in_kernel_recovery(unsigned int esr, struct pt_regs *regs) +{ + /* + * target insn: ldp-pre, ldp-post, ldp-offset, + * ldr-64bit-pre/pose, ldr-32bit-pre/post, ldrb-pre/post, ldrh-pre/post + */ + u32 target_insn[] = {0xa8c, 0xa9c, 0xa94, 0xf84, 0x784, 0x384, 0xb84}; + void *pc = (void *)instruction_pointer(regs); + struct uce_kernel_recovery_info *info; + bool insn_match = false; + u32 insn; + int i; + + pr_emerg("UCE: %s-%d, kernel recovery: 0x%x, esr: 0x%08x -- %s, %pS\n", + current->comm, current->pid, kernel_access_sea_recovery, esr, + esr_get_class_string(esr), pc); + + if (aarch64_insn_read((void *)pc, &insn)) { + pr_emerg("UCE: insn read fail.\n"); + return -EFAULT; + } + + /* + * We process special ESR: + * EC : 0b100101 Data Abort taken without a change in Exception level. + * DFSC : 0b010000 Synchronous External abort, not on translation table + * walk or hardware update of translation table. + * eg: 0x96000610 + */ + if (ESR_ELx_EC(esr) != ESR_ELx_EC_DABT_CUR || + (esr & ESR_ELx_FSC) != ESR_ELx_FSC_EXTABT) { + pr_emerg("UCE: esr not match.\n"); + return -EINVAL; + } + + insn = (insn >> 20) & 0xffc; + for (i = 0; i < ARRAY_SIZE(target_insn); i++) { + if (insn == target_insn[i]) { + insn_match = true; + break; + } + } + + if (!insn_match) { + pr_emerg("UCE: insn 0x%x is not match.\n", insn); + return -EINVAL; + } + + for (i = 0; i < UCE_KER_REC_NUM; i++) { + if (!((kernel_access_sea_recovery >> i) & 0x1)) + continue; + + info = &reco_info[i]; + if (info->fn && regs->pc >= info->addr && + regs->pc < (info->addr + info->size)) { + pr_emerg("UCE: total match %s success.\n", info->name); + return i; + } + } + + pr_emerg("UCE: symbol is not match or switch if off, kernel recovery %d.\n", + kernel_access_sea_recovery); + return -EINVAL; +} +#endif + static int do_sea(unsigned long addr, unsigned int esr, struct pt_regs *regs) { const struct fault_info *inf; @@ -649,6 +770,39 @@ static int do_sea(unsigned long addr, unsigned int esr, struct pt_regs *regs) return 0; } +#ifdef CONFIG_UCE_KERNEL_RECOVERY + if (!user_mode(regs)) { + int idx; + + if (!current->mm || !kernel_access_sea_recovery) { + pr_emerg("UCE: kernel recovery %d, %s-%d is %s-thread.\n", + kernel_access_sea_recovery, + current->comm, current->pid, + (current->mm) ? "user" : "kernel"); + die("Uncorrected hardware memory error in kernel-access\n", + regs, esr); + } + + idx = is_in_kernel_recovery(esr, regs); + if (idx >= 0 && idx < UCE_KER_REC_NUM) { + current->thread.fault_address = 0; + current->thread.fault_code = esr; + regs->pc = (unsigned long)reco_info[idx].fn; + + if (esr & ESR_ELx_FnV) + siaddr = NULL; + else + siaddr = (void __user *)addr; + + arm64_force_sig_fault(inf->sig, inf->code, siaddr, + "Uncorrected hardware memory use with kernel recovery in kernel-access\n"); + } else { + die("Uncorrected hardware memory error (not match idx or sence switch is off) in kernel-access\n", + regs, esr); + } + } +#endif + if (esr & ESR_ELx_FnV) siaddr = NULL; else diff --git a/include/linux/kernel.h b/include/linux/kernel.h index 78a0907f0b04..b634fb1cce38 100644 --- a/include/linux/kernel.h +++ b/include/linux/kernel.h @@ -558,6 +558,10 @@ extern int sysctl_panic_on_stackoverflow; extern bool crash_kexec_post_notifiers; +#ifdef CONFIG_UCE_KERNEL_RECOVERY +extern int kernel_access_sea_recovery; +#endif + /* * panic_cpu is used for synchronizing panic() and crash_kexec() execution. It * holds a CPU number which is executing panic() currently. A value of diff --git a/kernel/sysctl.c b/kernel/sysctl.c index 89ef0c1a1642..e38fff657683 100644 --- a/kernel/sysctl.c +++ b/kernel/sysctl.c @@ -2711,6 +2711,17 @@ static struct ctl_table kern_table[] = { .extra1 = &one_hundred, .extra2 = &one_thousand, }, +#endif +#if defined(CONFIG_UCE_KERNEL_RECOVERY) + { + .procname = "uce_kernel_recovery", + .data = &kernel_access_sea_recovery, + .maxlen = sizeof(kernel_access_sea_recovery), + .mode = 0644, + .proc_handler = proc_dointvec_minmax, + .extra1 = &four, + .extra2 = &four, + }, #endif { } }; -- 2.18.0.huawei.25

1 0

[PATCH openEuler-1.0-LTS 1/2] yam: fix a memory leak in yam_siocdevprivate()
by Yang Yingliang 22 Feb '22

22 Feb '22

From: Hangyu Hua <hbh25y(a)gmail.com> mainline inclusion from mainline-v5.17 commit 29eb31542787e1019208a2e1047bb7c76c069536 category: bugfix bugzilla: https://gitee.com/openeuler/kernel/issues/I4U4NY CVE: CVE-2022-24959 ----------------------------------------------- ym needs to be free when ym->cmd != SIOCYAMSMCS. Fixes: 0781168e23a2 ("yam: fix a missing-check bug") Signed-off-by: Hangyu Hua <hbh25y(a)gmail.com> Signed-off-by: David S. Miller <davem(a)davemloft.net> conflict: The bug is in function yam_siocdevprivate() in mainline, but it is in function yam_ioctl() because the function name is changed in 25ec92fbdd("hamradio: use ndo_siocdevprivate") in mainline. Signed-off-by: Lu Wei <luwei32(a)huawei.com> Reviewed-by: Wei Yongjun <weiyongjun1(a)huawei.com> Signed-off-by: Yang Yingliang <yangyingliang(a)huawei.com> --- drivers/net/hamradio/yam.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/drivers/net/hamradio/yam.c b/drivers/net/hamradio/yam.c index ba9df430fca6e..f124ceab5f5e1 100644 --- a/drivers/net/hamradio/yam.c +++ b/drivers/net/hamradio/yam.c @@ -966,9 +966,7 @@ static int yam_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) sizeof(struct yamdrv_ioctl_mcs)); if (IS_ERR(ym)) return PTR_ERR(ym); - if (ym->cmd != SIOCYAMSMCS) - return -EINVAL; - if (ym->bitrate > YAM_MAXBITRATE) { + if (ym->cmd != SIOCYAMSMCS || ym->bitrate > YAM_MAXBITRATE) { kfree(ym); return -EINVAL; } -- 2.25.1

1 1

[PATCH openEuler-1.0-LTS] yam: fix a memory leak in yam_siocdevprivate()
by Yang Yingliang 21 Feb '22

21 Feb '22

From: Hangyu Hua <hbh25y(a)gmail.com> hulk inclusion category: bugfix bugzilla: https://gitee.com/openeuler/kernel/issues/I4U4NY CVE: CVE-2022-24959 ------------------------------------------------- ym needs to be free when ym->cmd != SIOCYAMSMCS. Fixes: 0781168e23a2 ("yam: fix a missing-check bug") Signed-off-by: Hangyu Hua <hbh25y(a)gmail.com> Signed-off-by: David S. Miller <davem(a)davemloft.net> conflict: The bug is in function yam_siocdevprivate() in mainline, but it is in function yam_ioctl() because the function name is changed in 25ec92fbdd("hamradio: use ndo_siocdevprivate") in mainline. Signed-off-by: Lu Wei <luwei32(a)huawei.com> Reviewed-by: Wei Yongjun <weiyongjun1(a)huawei.com> Signed-off-by: Yang Yingliang <yangyingliang(a)huawei.com> --- drivers/net/hamradio/yam.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/drivers/net/hamradio/yam.c b/drivers/net/hamradio/yam.c index ba9df430fca6e..f124ceab5f5e1 100644 --- a/drivers/net/hamradio/yam.c +++ b/drivers/net/hamradio/yam.c @@ -966,9 +966,7 @@ static int yam_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) sizeof(struct yamdrv_ioctl_mcs)); if (IS_ERR(ym)) return PTR_ERR(ym); - if (ym->cmd != SIOCYAMSMCS) - return -EINVAL; - if (ym->bitrate > YAM_MAXBITRATE) { + if (ym->cmd != SIOCYAMSMCS || ym->bitrate > YAM_MAXBITRATE) { kfree(ym); return -EINVAL; } -- 2.25.1

1 0

[PATCH openEuler-1.0-LTS] ipmi_si: Phytium S2500 missing timeout counter reset in intf_mem_inw
by Yang Yingliang 21 Feb '22

21 Feb '22

From: Laibin Qiu <qiulaibin(a)huawei.com> phytium inclusion category: bugfix bugzilla: https://gitee.com/openeuler/kernel/issues/I4RK58 CVE: NA -------------------------------- The system would hang up when the Phytium S2500 communicates with some BMCs after several rounds of transactions, unless we reset the controller timeout counter manually by calling firmware through SMC. The reset in intf_mem_inw was missed previously. Fixes: 88f04d8bd2d27 ("ipmi_si: Phytium S2500 workaround for MMIO-based IPMI") Signed-off-by: Laibin Qiu <qiulaibin(a)huawei.com> Reviewed-by: Zheng Zengkai <zhengzengkai(a)huawei.com> Reviewed-by: Xie XiuQi <xiexiuqi(a)huawei.com> Signed-off-by: Yang Yingliang <yangyingliang(a)huawei.com> --- drivers/char/ipmi/ipmi_si_mem_io.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/char/ipmi/ipmi_si_mem_io.c b/drivers/char/ipmi/ipmi_si_mem_io.c index 9403e35a19934..bb4ed90a11535 100644 --- a/drivers/char/ipmi/ipmi_si_mem_io.c +++ b/drivers/char/ipmi/ipmi_si_mem_io.c @@ -84,6 +84,8 @@ static void intf_mem_outb(const struct si_sm_io *io, unsigned int offset, static unsigned char intf_mem_inw(const struct si_sm_io *io, unsigned int offset) { + ipmi_phytium_workaround(); + return (readw((io->addr)+(offset * io->regspacing)) >> io->regshift) & 0xff; } -- 2.25.1

1 0

[PATCH OLK-5.10 V2 00/44] intel-icelake: 22.03 support SGX
by Laibin Qiu 21 Feb '22

21 Feb '22

bugzilla: https://gitee.com/openeuler/kernel/issues/I4SIGI Borislav Petkov (1): x86/sgx: Fix sgx_ioc_enclave_provision() kernel-doc Daniel Vetter (1): x86/sgx: Drop racy follow_pfn() check Dave Hansen (3): x86/sgx: Clarify 'laundry_list' locking selftests/sgx: Improve error detection and messages selftests/sgx: remove checks for file execute permissions Ira Weiny (1): x86/sgx: Remove unnecessary kmap() from sgx_ioc_enclave_init() Jarkko Sakkinen (25): x86/sgx: Add SGX architectural data structures x86/sgx: Add wrappers for ENCLS functions x86/cpu/intel: Add a nosgx kernel parameter x86/sgx: Add SGX page allocator functions x86/sgx: Add an SGX misc driver interface x86/sgx: Add SGX_IOC_ENCLAVE_CREATE x86/sgx: Add SGX_IOC_ENCLAVE_ADD_PAGES x86/sgx: Add SGX_IOC_ENCLAVE_INIT x86/sgx: Add SGX_IOC_ENCLAVE_PROVISION selftests/x86: Add a selftest for SGX x86/sgx: Add a page reclaimer x86/sgx: Add ptrace() support for the SGX driver Documentation/x86: Document SGX kernel architecture x86/sgx: Update MAINTAINERS x86/sgx: Return -ERESTARTSYS in sgx_ioc_enclave_add_pages() x86/sgx: Return -EINVAL on a zero length buffer in sgx_ioc_enclave_add_pages() x86/sgx: Maintain encl->refcount for each encl->mm_list entry x86/sgx: Replace section->init_laundry_list with sgx_dirty_page_list x86/sgx: Add a basic NUMA allocation scheme to sgx_alloc_epc_page() selftests/sgx: Use a statically generated 3072-bit RSA key selftests/sgx: Rename 'eenter' and 'sgx_call_vdso' selftests/sgx: Migrate to kselftest harness selftests/sgx: Dump enclave memory map selftests/sgx: Add EXPECT_EEXIT() macro selftests/sgx: Refine the test enclave to have storage Sami Tolvanen (1): x86/sgx: Fix the return type of sgx_init() Sean Christopherson (9): x86/cpufeatures: Add Intel SGX hardware bits x86/{cpufeatures,msr}: Add Intel SGX Launch Control hardware bits x86/sgx: Initialize metadata for Enclave Page Cache (EPC) sections x86/cpu/intel: Detect SGX support mm: Add 'mprotect' hook to struct vm_operations_struct x86/vdso: Add support for exception fixup in vDSO functions x86/fault: Add a helper function to sanitize error code x86/vdso: Implement a vDSO for Intel SGX enclave call x86/sgx: Expose SGX architectural definitions to the kernel Tianjia Zhang (2): selftests/sgx: Use getauxval() to simplify test code selftests/sgx: Fix Q1 and Q2 calculation in sigstruct.c root (1): x86/traps: Attempt to fixup exceptions in vDSO before signaling .../admin-guide/kernel-parameters.txt | 2 + .../userspace-api/ioctl/ioctl-number.rst | 1 + Documentation/x86/index.rst | 1 + Documentation/x86/sgx.rst | 211 +++++ MAINTAINERS | 14 + arch/x86/Kconfig | 18 + arch/x86/entry/vdso/Makefile | 8 +- arch/x86/entry/vdso/extable.c | 46 ++ arch/x86/entry/vdso/extable.h | 28 + arch/x86/entry/vdso/vdso-layout.lds.S | 9 +- arch/x86/entry/vdso/vdso.lds.S | 1 + arch/x86/entry/vdso/vdso2c.h | 50 +- arch/x86/entry/vdso/vsgx.S | 151 ++++ arch/x86/include/asm/cpufeatures.h | 2 + arch/x86/include/asm/disabled-features.h | 8 +- arch/x86/include/asm/enclu.h | 9 + arch/x86/include/asm/msr-index.h | 8 + arch/x86/include/asm/sgx.h | 348 ++++++++ arch/x86/include/asm/vdso.h | 5 + arch/x86/include/uapi/asm/sgx.h | 168 ++++ arch/x86/kernel/cpu/Makefile | 1 + arch/x86/kernel/cpu/feat_ctl.c | 38 +- arch/x86/kernel/cpu/sgx/Makefile | 5 + arch/x86/kernel/cpu/sgx/driver.c | 197 +++++ arch/x86/kernel/cpu/sgx/driver.h | 29 + arch/x86/kernel/cpu/sgx/encl.c | 737 +++++++++++++++++ arch/x86/kernel/cpu/sgx/encl.h | 119 +++ arch/x86/kernel/cpu/sgx/encls.h | 231 ++++++ arch/x86/kernel/cpu/sgx/ioctl.c | 718 ++++++++++++++++ arch/x86/kernel/cpu/sgx/main.c | 768 ++++++++++++++++++ arch/x86/kernel/cpu/sgx/sgx.h | 83 ++ arch/x86/kernel/traps.c | 10 + arch/x86/mm/fault.c | 32 +- include/linux/mm.h | 7 + mm/mprotect.c | 7 + tools/testing/selftests/Makefile | 1 + tools/testing/selftests/sgx/.gitignore | 2 + tools/testing/selftests/sgx/Makefile | 57 ++ tools/testing/selftests/sgx/call.S | 44 + tools/testing/selftests/sgx/defines.h | 31 + tools/testing/selftests/sgx/load.c | 305 +++++++ tools/testing/selftests/sgx/main.c | 293 +++++++ tools/testing/selftests/sgx/main.h | 41 + tools/testing/selftests/sgx/sign_key.S | 12 + tools/testing/selftests/sgx/sign_key.pem | 39 + tools/testing/selftests/sgx/sigstruct.c | 382 +++++++++ tools/testing/selftests/sgx/test_encl.c | 35 + tools/testing/selftests/sgx/test_encl.lds | 41 + .../selftests/sgx/test_encl_bootstrap.S | 89 ++ 49 files changed, 5423 insertions(+), 19 deletions(-) create mode 100644 Documentation/x86/sgx.rst create mode 100644 arch/x86/entry/vdso/extable.c create mode 100644 arch/x86/entry/vdso/extable.h create mode 100644 arch/x86/entry/vdso/vsgx.S create mode 100644 arch/x86/include/asm/enclu.h create mode 100644 arch/x86/include/asm/sgx.h create mode 100644 arch/x86/include/uapi/asm/sgx.h create mode 100644 arch/x86/kernel/cpu/sgx/Makefile create mode 100644 arch/x86/kernel/cpu/sgx/driver.c create mode 100644 arch/x86/kernel/cpu/sgx/driver.h create mode 100644 arch/x86/kernel/cpu/sgx/encl.c create mode 100644 arch/x86/kernel/cpu/sgx/encl.h create mode 100644 arch/x86/kernel/cpu/sgx/encls.h create mode 100644 arch/x86/kernel/cpu/sgx/ioctl.c create mode 100644 arch/x86/kernel/cpu/sgx/main.c create mode 100644 arch/x86/kernel/cpu/sgx/sgx.h create mode 100644 tools/testing/selftests/sgx/.gitignore create mode 100644 tools/testing/selftests/sgx/Makefile create mode 100644 tools/testing/selftests/sgx/call.S create mode 100644 tools/testing/selftests/sgx/defines.h create mode 100644 tools/testing/selftests/sgx/load.c create mode 100644 tools/testing/selftests/sgx/main.c create mode 100644 tools/testing/selftests/sgx/main.h create mode 100644 tools/testing/selftests/sgx/sign_key.S create mode 100644 tools/testing/selftests/sgx/sign_key.pem create mode 100644 tools/testing/selftests/sgx/sigstruct.c create mode 100644 tools/testing/selftests/sgx/test_encl.c create mode 100644 tools/testing/selftests/sgx/test_encl.lds create mode 100644 tools/testing/selftests/sgx/test_encl_bootstrap.S -- 2.22.0

3 64

[PATCH RESEND OLK-5.10 0/3] Add support for kunpeng920 Ultrasoc System Memory Buffer driver
by Qi Liu 21 Feb '22

21 Feb '22

Add support for kunpeng920 Ultrasoc System Memory Buffer driver Qi Liu (3): coresight: etm4x: Modify core-commit to avoid HiSilicon ETM overflow drivers/coresight: Add Ultrasoc System Memory Buffer driver arm64: openeuler_defconfig: Enable config for ultrasoc driver arch/arm64/configs/openeuler_defconfig | 7 +- drivers/hwtracing/coresight/Kconfig | 20 + drivers/hwtracing/coresight/Makefile | 1 + .../coresight/coresight-etm4x-core.c | 98 +++ drivers/hwtracing/coresight/coresight-etm4x.h | 8 + drivers/hwtracing/coresight/ultrasoc-smb.c | 602 ++++++++++++++++++ drivers/hwtracing/coresight/ultrasoc-smb.h | 100 +++ 7 files changed, 835 insertions(+), 1 deletion(-) create mode 100644 drivers/hwtracing/coresight/ultrasoc-smb.c create mode 100644 drivers/hwtracing/coresight/ultrasoc-smb.h -- 2.33.0

2 4

[PATCH openEuler-1.0-LTS] mm,hwpoison: Fix use-after-free in memory_failure()
by Yang Yingliang 21 Feb '22

21 Feb '22

From: Ma Wupeng <mawupeng1(a)huawei.com> hulk inclusion category: bugfix bugzilla: https://gitee.com/openeuler/kernel/issues/I4LE22 CVE: NA -------------------------------- BUG: KASAN: use-after-free in __mutex_lock.isra.1+0x77c/0x860 Read of size 4 at addr ffff8000d8382040 by task syz-executor658/454 CPU: 3 PID: 454 Comm: syz-executor658 Not tainted 4.19.90+ #8 Hardware name: linux,dummy-virt (DT) Call trace: dump_backtrace+0x0/0x3f0 show_stack+0x28/0x38 dump_stack+0x170/0x1dc print_address_description+0x68/0x2c8 kasan_report+0x130/0x2e8 __asan_report_load4_noabort+0x30/0x40 __mutex_lock.isra.1+0x77c/0x860 __mutex_lock_slowpath+0x24/0x30 mutex_lock+0x4c/0x58 memory_failure+0x1a8/0xf00 do_madvise+0x8bc/0x12b0 __arm64_sys_madvise+0x74/0x218 el0_svc_common+0x134/0x570 el0_svc_handler+0x190/0x260 el0_svc+0x10/0x218 Allocated by task 423: kasan_kmalloc+0xdc/0x190 kasan_slab_alloc+0x14/0x20 kmem_cache_alloc_node+0xec/0x2a0 copy_process.isra.7.part.8+0x117c/0x58f0 _do_fork+0x188/0x8f0 __arm64_sys_clone+0xb0/0x108 el0_svc_common+0x134/0x570 el0_svc_handler+0x190/0x260 el0_svc+0x10/0x218 Freed by task 19: __kasan_slab_free+0x120/0x228 kasan_slab_free+0x10/0x18 kmem_cache_free+0x1b8/0x270 free_task+0xb8/0xe0 __put_task_struct+0x248/0x318 delayed_put_task_struct+0x58/0x210 rcu_nocb_kthread+0x2b0/0x508 kthread+0x2c8/0x348 ret_from_fork+0x10/0x18 After commit 02d80b17ba49 ("mm/memory-failure: use a mutex to avoid memory_failure() races"), all the error paths in memory_failure() need unlock mf_mutx, or the above use-after-free occurred, fix the missing one if try_to_split_thp_page() fails. Fixes: a668355ac487 ("mm,hwpoison: unify THP handling for hard and soft offline") Signed-off-by: Ma Wupeng <mawupeng1(a)huawei.com> Reviewed-by: Kefeng Wang <wangkefeng.wang(a)huawei.com> Signed-off-by: Yang Yingliang <yangyingliang(a)huawei.com> --- mm/memory-failure.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/mm/memory-failure.c b/mm/memory-failure.c index cd3394dd70e16..578859c94866f 100644 --- a/mm/memory-failure.c +++ b/mm/memory-failure.c @@ -1408,7 +1408,8 @@ int memory_failure(unsigned long pfn, int flags) if (PageTransHuge(hpage)) { if (try_to_split_thp_page(p, "Memory Failure") < 0) { action_result(pfn, MF_MSG_UNSPLIT_THP, MF_IGNORED); - return -EBUSY; + res = -EBUSY; + goto unlock_mutex; } VM_BUG_ON_PAGE(!page_count(p), p); } -- 2.25.1

1 0

[PATCH openEuler-1.0-LTS] dm-mpath: fix UAF in multipath_message()
by Yang Yingliang 21 Feb '22

21 Feb '22

From: Luo Meng <luomeng12(a)huawei.com> hulk inclusion category: bugfix bugzilla: 186184 CVE: NA -------------------------------- If dm_get_device() create dd in multipath_message(), and then call table_deps() after dm_put_table_device(), it will lead to concurrency UAF bugs. One of the concurrency UAF can be shown as below: (USE) | (FREE) | target_message | multipath_message | dm_put_device | dm_put_table_device # | kfree(td) # table_device *td ioctl # DM_TABLE_DEPS_CMD | ... table_deps | ... dm_get_live_or_inactive_table | ... retrieve_dep | ... list_for_each_entry | ... deps->dev[count++] = | ... huge_encode_dev | ... (dd->dm_dev->bdev->bd_dev) | list_del(&dd->list) | kfree(dd) # dm_dev_internal The root cause of UAF bugs is that find_device() failed in dm_get_device() and will create dd and refcount set 1, kfree() in dm_put_table() is not protected. When td, which there are still pointers point to, is released, the concurrency UAF bug will happen. This patch add a flag to determine whether to create a new dd. Signed-off-by: Luo Meng <luomeng12(a)huawei.com> Reviewed-by: Jason Yan <yanaijie(a)huawei.com> Signed-off-by: Yang Yingliang <yangyingliang(a)huawei.com> --- drivers/md/dm-mpath.c | 2 +- drivers/md/dm-table.c | 43 +++++++++++++++++++++-------------- include/linux/device-mapper.h | 2 ++ 3 files changed, 29 insertions(+), 18 deletions(-) diff --git a/drivers/md/dm-mpath.c b/drivers/md/dm-mpath.c index bced42f082b02..e0bfa16aab379 100644 --- a/drivers/md/dm-mpath.c +++ b/drivers/md/dm-mpath.c @@ -1962,7 +1962,7 @@ static int multipath_message(struct dm_target *ti, unsigned argc, char **argv, goto out; } - r = dm_get_device(ti, argv[1], dm_table_get_mode(ti->table), &dev); + r = __dm_get_device(ti, argv[1], dm_table_get_mode(ti->table), &dev, false); if (r) { DMWARN("message: error getting device %s", argv[1]); diff --git a/drivers/md/dm-table.c b/drivers/md/dm-table.c index 5c590895c14c3..f01c639f83875 100644 --- a/drivers/md/dm-table.c +++ b/drivers/md/dm-table.c @@ -361,12 +361,8 @@ dev_t dm_get_dev_t(const char *path) } EXPORT_SYMBOL_GPL(dm_get_dev_t); -/* - * Add a device to the list, or just increment the usage count if - * it's already present. - */ -int dm_get_device(struct dm_target *ti, const char *path, fmode_t mode, - struct dm_dev **result) +int __dm_get_device(struct dm_target *ti, const char *path, fmode_t mode, + struct dm_dev **result, bool create_dd) { int r; dev_t dev; @@ -390,19 +386,21 @@ int dm_get_device(struct dm_target *ti, const char *path, fmode_t mode, dd = find_device(&t->devices, dev); if (!dd) { - dd = kmalloc(sizeof(*dd), GFP_KERNEL); - if (!dd) - return -ENOMEM; - - if ((r = dm_get_table_device(t->md, dev, mode, &dd->dm_dev))) { - kfree(dd); - return r; - } + if (create_dd) { + dd = kmalloc(sizeof(*dd), GFP_KERNEL); + if (!dd) + return -ENOMEM; - refcount_set(&dd->count, 1); - list_add(&dd->list, &t->devices); - goto out; + if ((r = dm_get_table_device(t->md, dev, mode, &dd->dm_dev))) { + kfree(dd); + return r; + } + refcount_set(&dd->count, 1); + list_add(&dd->list, &t->devices); + goto out; + } else + return -ENODEV; } else if (dd->dm_dev->mode != (mode | dd->dm_dev->mode)) { r = upgrade_mode(dd, mode, t->md); if (r) @@ -413,6 +411,17 @@ int dm_get_device(struct dm_target *ti, const char *path, fmode_t mode, *result = dd->dm_dev; return 0; } +EXPORT_SYMBOL(__dm_get_device); + +/* + * Add a device to the list, or just increment the usage count if + * it's already present. + */ +int dm_get_device(struct dm_target *ti, const char *path, fmode_t mode, + struct dm_dev **result) +{ + return __dm_get_device(ti, path, mode, result, true); +} EXPORT_SYMBOL(dm_get_device); static int dm_set_device_limits(struct dm_target *ti, struct dm_dev *dev, diff --git a/include/linux/device-mapper.h b/include/linux/device-mapper.h index 50cc070cb1f7c..47db4a14c9258 100644 --- a/include/linux/device-mapper.h +++ b/include/linux/device-mapper.h @@ -162,6 +162,8 @@ dev_t dm_get_dev_t(const char *path); int dm_get_device(struct dm_target *ti, const char *path, fmode_t mode, struct dm_dev **result); void dm_put_device(struct dm_target *ti, struct dm_dev *d); +int __dm_get_device(struct dm_target *ti, const char *path, fmode_t mode, + struct dm_dev **result, bool create_dd); /* * Information about a target type -- 2.25.1

1 0

Re: [PATCH OLK-5.10 1/3] coresight: etm4x: Modify core-commit to avoid HiSilicon ETM overflow
by Xie XiuQi 19 Feb '22

19 Feb '22

你需要订阅 kernel(a)openeuler.org 邮件列表，不然别人都收不到你这个邮件。 On 2022/2/19 15:19, Qi Liu wrote: > > driver inclusion > ategory: feature > bugzilla: https://gitee.com/openeuler/kernel/issues/I4UA33 你这个不断的来源是哪里的，如果是上游社区的，不断作者应该是原作者。并标明补丁的上游 commit。如果还没进入上游版本，也需要给出上游讨论的链接。 > > ----------------------------------------- > > The ETM device can't keep up with the core pipeline when cpu core > is at full speed. This may cause overflow within core and its ETM. > This is a common phenomenon on ETM devices. > > On HiSilicon Hip08 platform, a specific feature is added to set > core pipeline. So commit rate can be reduced manually to avoid ETM > overflow. > > Reviewed-by: Suzuki K Poulose <suzuki.poulose(a)arm.com> > Signed-off-by: Qi Liu <liuqi115(a)huawei.com> > [Modified changelog title and Kconfig description] > Signed-off-by: Mathieu Poirier <mathieu.poirier(a)linaro.org> > Link: https://lore.kernel.org/r/20201208182651.1597945-4-mathieu.poirier@linaro.o… > Signed-off-by: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> 看这个补丁签名，社区应该是要讨论的。你如果要推送到 openEuler 社区，需要有你自己的签名。表明你对这个补丁负责。 > --- > drivers/hwtracing/coresight/Kconfig | 8 ++ > .../coresight/coresight-etm4x-core.c | 98 +++++++++++++++++++ > drivers/hwtracing/coresight/coresight-etm4x.h | 8 ++ > 3 files changed, 114 insertions(+) > > diff --git a/drivers/hwtracing/coresight/Kconfig b/drivers/hwtracing/coresight/Kconfig > index c1198245461d..7b44ba22cbe1 100644 > --- a/drivers/hwtracing/coresight/Kconfig > +++ b/drivers/hwtracing/coresight/Kconfig > @@ -110,6 +110,14 @@ config CORESIGHT_SOURCE_ETM4X > To compile this driver as a module, choose M here: the > module will be called coresight-etm4x. > > +config ETM4X_IMPDEF_FEATURE > + bool "Control implementation defined overflow support in ETM 4.x driver" > + depends on CORESIGHT_SOURCE_ETM4X > + help > + This control provides implementation define control for CoreSight > + ETM 4.x tracer module that can't reduce commit rate automatically. > + This avoids overflow between the ETM tracer module and the cpu core. > + > config CORESIGHT_STM > tristate "CoreSight System Trace Macrocell driver" > depends on (ARM && !(CPU_32v3 || CPU_32v4 || CPU_32v4T)) || ARM64 > diff --git a/drivers/hwtracing/coresight/coresight-etm4x-core.c b/drivers/hwtracing/coresight/coresight-etm4x-core.c > index 74d3e2fe43d4..02d0b92cf510 100644 > --- a/drivers/hwtracing/coresight/coresight-etm4x-core.c > +++ b/drivers/hwtracing/coresight/coresight-etm4x-core.c > @@ -3,6 +3,7 @@ > * Copyright (c) 2014, The Linux Foundation. All rights reserved. > */ > > +#include <linux/bitops.h> > #include <linux/kernel.h> > #include <linux/moduleparam.h> > #include <linux/init.h> > @@ -28,7 +29,9 @@ > #include <linux/perf_event.h> > #include <linux/pm_runtime.h> > #include <linux/property.h> > + > #include <asm/sections.h> > +#include <asm/sysreg.h> > #include <asm/local.h> > #include <asm/virt.h> > > @@ -103,6 +106,97 @@ struct etm4_enable_arg { > int rc; > }; > > +#ifdef CONFIG_ETM4X_IMPDEF_FEATURE > + > +#define HISI_HIP08_AMBA_ID 0x000b6d01 > +#define ETM4_AMBA_MASK 0xfffff > +#define HISI_HIP08_CORE_COMMIT_MASK 0x3000 > +#define HISI_HIP08_CORE_COMMIT_SHIFT 12 > +#define HISI_HIP08_CORE_COMMIT_FULL 0b00 > +#define HISI_HIP08_CORE_COMMIT_LVL_1 0b01 > +#define HISI_HIP08_CORE_COMMIT_REG sys_reg(3, 1, 15, 2, 5) > + > +struct etm4_arch_features { > + void (*arch_callback)(bool enable); > +}; > + > +static bool etm4_hisi_match_pid(unsigned int id) > +{ > + return (id & ETM4_AMBA_MASK) == HISI_HIP08_AMBA_ID; > +} > + > +static void etm4_hisi_config_core_commit(bool enable) > +{ > + u8 commit = enable ? HISI_HIP08_CORE_COMMIT_LVL_1 : > + HISI_HIP08_CORE_COMMIT_FULL; > + u64 val; > + > + /* > + * bit 12 and 13 of HISI_HIP08_CORE_COMMIT_REG are used together > + * to set core-commit, 2'b00 means cpu is at full speed, 2'b01, > + * 2'b10, 2'b11 mean reduce pipeline speed, and 2'b01 means level-1 > + * speed(minimun value). So bit 12 and 13 should be cleared together. > + */ > + val = read_sysreg_s(HISI_HIP08_CORE_COMMIT_REG); > + val &= ~HISI_HIP08_CORE_COMMIT_MASK; > + val |= commit << HISI_HIP08_CORE_COMMIT_SHIFT; > + write_sysreg_s(val, HISI_HIP08_CORE_COMMIT_REG); > +} > + > +static struct etm4_arch_features etm4_features[] = { > + [ETM4_IMPDEF_HISI_CORE_COMMIT] = { > + .arch_callback = etm4_hisi_config_core_commit, > + }, > + {}, > +}; > + > +static void etm4_enable_arch_specific(struct etmv4_drvdata *drvdata) > +{ > + struct etm4_arch_features *ftr; > + int bit; > + > + for_each_set_bit(bit, drvdata->arch_features, ETM4_IMPDEF_FEATURE_MAX) { > + ftr = &etm4_features[bit]; > + > + if (ftr->arch_callback) > + ftr->arch_callback(true); > + } > +} > + > +static void etm4_disable_arch_specific(struct etmv4_drvdata *drvdata) > +{ > + struct etm4_arch_features *ftr; > + int bit; > + > + for_each_set_bit(bit, drvdata->arch_features, ETM4_IMPDEF_FEATURE_MAX) { > + ftr = &etm4_features[bit]; > + > + if (ftr->arch_callback) > + ftr->arch_callback(false); > + } > +} > + > +static void etm4_check_arch_features(struct etmv4_drvdata *drvdata, > + unsigned int id) > +{ > + if (etm4_hisi_match_pid(id)) > + set_bit(ETM4_IMPDEF_HISI_CORE_COMMIT, drvdata->arch_features); > +} > +#else > +static void etm4_enable_arch_specific(struct etmv4_drvdata *drvdata) > +{ > +} > + > +static void etm4_disable_arch_specific(struct etmv4_drvdata *drvdata) > +{ > +} > + > +static void etm4_check_arch_features(struct etmv4_drvdata *drvdata, > + unsigned int id) > +{ > +} > +#endif /* CONFIG_ETM4X_IMPDEF_FEATURE */ > + > static int etm4_enable_hw(struct etmv4_drvdata *drvdata) > { > int i, rc; > @@ -110,6 +204,7 @@ static int etm4_enable_hw(struct etmv4_drvdata *drvdata) > struct device *etm_dev = &drvdata->csdev->dev; > > CS_UNLOCK(drvdata->base); > + etm4_enable_arch_specific(drvdata); > > etm4_os_unlock(drvdata); > > @@ -480,6 +575,7 @@ static void etm4_disable_hw(void *info) > int i; > > CS_UNLOCK(drvdata->base); > + etm4_disable_arch_specific(drvdata); > > if (!drvdata->skip_power_up) { > /* power can be removed from the trace unit now */ > @@ -1563,6 +1659,8 @@ static int etm4_probe(struct amba_device *adev, const struct amba_id *id) > drvdata->boot_enable = true; > } > > + etm4_check_arch_features(drvdata, id->id); > + > return 0; > } > > diff --git a/drivers/hwtracing/coresight/coresight-etm4x.h b/drivers/hwtracing/coresight/coresight-etm4x.h > index eefc7371c6c4..3dd3e0633328 100644 > --- a/drivers/hwtracing/coresight/coresight-etm4x.h > +++ b/drivers/hwtracing/coresight/coresight-etm4x.h > @@ -8,6 +8,7 @@ > > #include <asm/local.h> > #include <linux/spinlock.h> > +#include <linux/types.h> > #include "coresight-priv.h" > > /* > @@ -203,6 +204,11 @@ > /* Interpretation of resource numbers change at ETM v4.3 architecture */ > #define ETM4X_ARCH_4V3 0x43 > > +enum etm_impdef_type { > + ETM4_IMPDEF_HISI_CORE_COMMIT, > + ETM4_IMPDEF_FEATURE_MAX, > +}; > + > /** > * struct etmv4_config - configuration information related to an ETMv4 > * @mode: Controls various modes supported by this ETM. > @@ -415,6 +421,7 @@ struct etmv4_save_state { > * @state_needs_restore: True when there is context to restore after PM exit > * @skip_power_up: Indicates if an implementation can skip powering up > * the trace unit. > + * @arch_features: Bitmap of arch features of etmv4 devices. > */ > struct etmv4_drvdata { > void __iomem *base; > @@ -463,6 +470,7 @@ struct etmv4_drvdata { > struct etmv4_save_state *save_state; > bool state_needs_restore; > bool skip_power_up; > + DECLARE_BITMAP(arch_features, ETM4_IMPDEF_FEATURE_MAX); > }; > > /* Address comparator access types */ >

1 0

[PATCH OLK-5.10] scsi: spfc: Remove redundant mask and spinlock
by Yanling Song 18 Feb '22

18 Feb '22

Ramaxel inclusion from OLK-5.10 commit dff67aa564e7 ("scsi: spfc: initial commit the spfc module") category: bugfix bugzilla: https://gitee.com/openeuler/kernel/issues/I4UA67 CVE: NA Fix: 1.Remove UNF_ORIGIN_HOTTAG_MASK and UNF_HOTTAG_FLAG 2.Update some output string 3.Remove spinlock protect in free_parent_sq() because there is spinlock protect in caller function free_parent_queue_info() Signed-off-by: Yanling Song <songyl(a)ramaxel.com> Reviewed-by: Yun Xu <xuyun(a)ramaxel.com> --- drivers/scsi/spfc/common/unf_common.h | 2 -- drivers/scsi/spfc/common/unf_io.c | 3 +-- drivers/scsi/spfc/common/unf_io_abnormal.c | 2 +- drivers/scsi/spfc/common/unf_rport.c | 2 +- drivers/scsi/spfc/common/unf_service.c | 19 +++++-------------- drivers/scsi/spfc/hw/spfc_hba.c | 2 +- drivers/scsi/spfc/hw/spfc_io.c | 2 +- drivers/scsi/spfc/hw/spfc_queue.c | 5 ----- drivers/scsi/spfc/hw/spfc_service.c | 22 ++++++++++++---------- 9 files changed, 22 insertions(+), 37 deletions(-) diff --git a/drivers/scsi/spfc/common/unf_common.h b/drivers/scsi/spfc/common/unf_common.h index bf9d156e07ce..9613649308bf 100644 --- a/drivers/scsi/spfc/common/unf_common.h +++ b/drivers/scsi/spfc/common/unf_common.h @@ -12,8 +12,6 @@ #define SPFC_DRV_DESC "Ramaxel Memory Technology Fibre Channel Driver" #define UNF_MAX_SECTORS 0xffff -#define UNF_ORIGIN_HOTTAG_MASK 0x7fff -#define UNF_HOTTAG_FLAG (1 << 15) #define UNF_PKG_FREE_OXID 0x0 #define UNF_PKG_FREE_RXID 0x1 diff --git a/drivers/scsi/spfc/common/unf_io.c b/drivers/scsi/spfc/common/unf_io.c index b1255ecba88c..5de69f8ddc6d 100644 --- a/drivers/scsi/spfc/common/unf_io.c +++ b/drivers/scsi/spfc/common/unf_io.c @@ -890,8 +890,7 @@ static int unf_send_fcpcmnd(struct unf_lport *lport, struct unf_rport *rport, unf_xchg->private_data[PKG_PRIVATE_XCHG_ALLOC_TIME]; pkg.private_data[PKG_PRIVATE_XCHG_VP_INDEX] = unf_lport->vp_index; pkg.private_data[PKG_PRIVATE_XCHG_RPORT_INDEX] = unf_rport->rport_index; - pkg.private_data[PKG_PRIVATE_XCHG_HOT_POOL_INDEX] = - unf_xchg->hotpooltag | UNF_HOTTAG_FLAG; + pkg.private_data[PKG_PRIVATE_XCHG_HOT_POOL_INDEX] = unf_xchg->hotpooltag; unf_select_sq(unf_xchg, &pkg); pkg.fcp_cmnd = &unf_xchg->fcp_cmnd; diff --git a/drivers/scsi/spfc/common/unf_io_abnormal.c b/drivers/scsi/spfc/common/unf_io_abnormal.c index fece7aa5f441..4e268ac026ca 100644 --- a/drivers/scsi/spfc/common/unf_io_abnormal.c +++ b/drivers/scsi/spfc/common/unf_io_abnormal.c @@ -763,7 +763,7 @@ int unf_send_scsi_mgmt_cmnd(struct unf_xchg *xchg, struct unf_lport *lport, pkg.xchg_contex = unf_xchg; pkg.private_data[PKG_PRIVATE_XCHG_RPORT_INDEX] = rport->rport_index; pkg.fcp_cmnd = &unf_xchg->fcp_cmnd; - pkg.private_data[PKG_PRIVATE_XCHG_HOT_POOL_INDEX] = unf_xchg->hotpooltag | UNF_HOTTAG_FLAG; + pkg.private_data[PKG_PRIVATE_XCHG_HOT_POOL_INDEX] = unf_xchg->hotpooltag; pkg.frame_head.csctl_sid = lport->nport_id; pkg.frame_head.rctl_did = rport->nport_id; diff --git a/drivers/scsi/spfc/common/unf_rport.c b/drivers/scsi/spfc/common/unf_rport.c index aa4967fc0ab6..9b06df884524 100644 --- a/drivers/scsi/spfc/common/unf_rport.c +++ b/drivers/scsi/spfc/common/unf_rport.c @@ -352,7 +352,7 @@ struct unf_rport *unf_find_valid_rport(struct unf_lport *lport, u64 wwpn, u32 si spin_unlock_irqrestore(rport_state_lock, flags); FC_DRV_PRINT(UNF_LOG_LOGIN_ATT, UNF_INFO, - "[err]Port(0x%x) RPort(0x%p) find by WWPN(0x%llx) is invalid", + "[info]Port(0x%x) RPort(0x%p) find by WWPN(0x%llx) is invalid", lport->port_id, rport_by_wwpn, wwpn); rport_by_wwpn = NULL; diff --git a/drivers/scsi/spfc/common/unf_service.c b/drivers/scsi/spfc/common/unf_service.c index 8f72f6470647..9c86c99374c8 100644 --- a/drivers/scsi/spfc/common/unf_service.c +++ b/drivers/scsi/spfc/common/unf_service.c @@ -130,7 +130,7 @@ void unf_fill_package(struct unf_frame_pkg *pkg, struct unf_xchg *xchg, pkg->private_data[PKG_PRIVATE_RPORT_RX_SIZE] = rport->max_frame_size; } - pkg->private_data[PKG_PRIVATE_XCHG_HOT_POOL_INDEX] = xchg->hotpooltag | UNF_HOTTAG_FLAG; + pkg->private_data[PKG_PRIVATE_XCHG_HOT_POOL_INDEX] = xchg->hotpooltag; pkg->private_data[PKG_PRIVATE_XCHG_ALLOC_TIME] = xchg->private_data[PKG_PRIVATE_XCHG_ALLOC_TIME]; pkg->private_data[PKG_PRIVATE_LOWLEVEL_XCHG_ADD] = @@ -250,7 +250,7 @@ u32 unf_send_abts(struct unf_lport *lport, struct unf_xchg *xchg) pkg.unf_cmnd_pload_bl.buffer_ptr = (u8 *)xchg->fcp_sfs_union.sfs_entry.fc_sfs_entry_ptr; pkg.unf_cmnd_pload_bl.buf_dma_addr = xchg->fcp_sfs_union.sfs_entry.sfs_buff_phy_addr; - pkg.private_data[PKG_PRIVATE_XCHG_HOT_POOL_INDEX] = xchg->hotpooltag | UNF_HOTTAG_FLAG; + pkg.private_data[PKG_PRIVATE_XCHG_HOT_POOL_INDEX] = xchg->hotpooltag; UNF_SET_XCHG_ALLOC_TIME(&pkg, xchg); UNF_SET_ABORT_INFO_IOTYPE(&pkg, xchg); @@ -407,19 +407,10 @@ static u32 unf_els_cmnd_default_handler(struct unf_lport *lport, struct unf_xchg rjt_info.reason_code = UNF_LS_RJT_NOT_SUPPORTED; unf_rport = unf_get_rport_by_nport_id(lport, sid); - if (unf_rport) { - if (unf_rport->rport_index != - xchg->private_data[PKG_PRIVATE_XCHG_RPORT_INDEX]) { - FC_DRV_PRINT(UNF_LOG_LOGIN_ATT, UNF_WARN, - "[warn]Port(0x%x_0x%x) NPort handle(0x%x) from low level is not equal to RPort index(0x%x)", - lport->port_id, lport->nport_id, - xchg->private_data[PKG_PRIVATE_XCHG_RPORT_INDEX], - unf_rport->rport_index); - } + if (unf_rport) ret = unf_send_els_rjt_by_rport(lport, xchg, unf_rport, &rjt_info); - } else { + else ret = unf_send_els_rjt_by_did(lport, xchg, sid, &rjt_info); - } return ret; } @@ -1389,7 +1380,7 @@ static void unf_fill_free_xid_pkg(struct unf_xchg *xchg, struct unf_frame_pkg *p pkg->frame_head.csctl_sid = xchg->sid; pkg->frame_head.rctl_did = xchg->did; pkg->frame_head.oxid_rxid = (u32)(((u32)xchg->oxid << UNF_SHIFT_16) | xchg->rxid); - pkg->private_data[PKG_PRIVATE_XCHG_HOT_POOL_INDEX] = xchg->hotpooltag | UNF_HOTTAG_FLAG; + pkg->private_data[PKG_PRIVATE_XCHG_HOT_POOL_INDEX] = xchg->hotpooltag; UNF_SET_XCHG_ALLOC_TIME(pkg, xchg); if (xchg->xchg_type == UNF_XCHG_TYPE_SFS) { diff --git a/drivers/scsi/spfc/hw/spfc_hba.c b/drivers/scsi/spfc/hw/spfc_hba.c index e12299c9e2c9..b033dcb78bb3 100644 --- a/drivers/scsi/spfc/hw/spfc_hba.c +++ b/drivers/scsi/spfc/hw/spfc_hba.c @@ -56,7 +56,7 @@ static struct unf_cfg_item spfc_port_cfg_parm[] = { {"port_topology", 0, 0xf, 0x20}, {"port_alpa", 0, 0xdead, 0xffff}, /* alpa address of port */ /* queue depth of originator registered to SCSI midlayer */ - {"max_queue_depth", 0, 128, 128}, + {"max_queue_depth", 0, 512, 512}, {"sest_num", 0, 2048, 2048}, {"max_login", 0, 2048, 2048}, /* nodename from 32 bit to 64 bit */ diff --git a/drivers/scsi/spfc/hw/spfc_io.c b/drivers/scsi/spfc/hw/spfc_io.c index 2b1d1c607b13..7184eb6a10af 100644 --- a/drivers/scsi/spfc/hw/spfc_io.c +++ b/drivers/scsi/spfc/hw/spfc_io.c @@ -1138,7 +1138,7 @@ u32 spfc_scq_recv_iresp(struct spfc_hba_info *hba, union spfc_scqe *wqe) pkg.private_data[PKG_PRIVATE_XCHG_ALLOC_TIME] = iresp->magic_num; pkg.frame_head.oxid_rxid = (((iresp->wd0.ox_id) << UNF_SHIFT_16) | (iresp->wd0.rx_id)); - hot_tag = (u16)iresp->wd2.hotpooltag & UNF_ORIGIN_HOTTAG_MASK; + hot_tag = (u16)iresp->wd2.hotpooltag; /* 2. HotTag validity check */ if (likely(hot_tag >= hba->exi_base && (hot_tag < hba->exi_base + hba->exi_count))) { pkg.status = UNF_IO_SUCCESS; diff --git a/drivers/scsi/spfc/hw/spfc_queue.c b/drivers/scsi/spfc/hw/spfc_queue.c index abcf1ff3f49f..fa4295832da7 100644 --- a/drivers/scsi/spfc/hw/spfc_queue.c +++ b/drivers/scsi/spfc/hw/spfc_queue.c @@ -2138,11 +2138,9 @@ static void spfc_free_parent_sq(struct spfc_hba_info *hba, u32 uidelaycnt = 0; struct list_head *list = NULL; struct spfc_suspend_sqe_info *suspend_sqe = NULL; - ulong flag = 0; sq_info = &parq_info->parent_sq_info; - spin_lock_irqsave(&parq_info->parent_queue_state_lock, flag); while (!list_empty(&sq_info->suspend_sqe_list)) { list = UNF_OS_LIST_NEXT(&sq_info->suspend_sqe_list); list_del(list); @@ -2156,7 +2154,6 @@ static void spfc_free_parent_sq(struct spfc_hba_info *hba, kfree(suspend_sqe); } } - spin_unlock_irqrestore(&parq_info->parent_queue_state_lock, flag); /* Free data cos */ spfc_update_cos_rport_cnt(hba, parq_info->queue_data_cos); @@ -4475,9 +4472,7 @@ void spfc_free_parent_queue_info(void *handle, struct spfc_parent_queue_info *pa * with the sq in the queue of the parent */ - spin_unlock_irqrestore(prtq_state_lock, flag); spfc_free_parent_sq(hba, parent_queue_info); - spin_lock_irqsave(prtq_state_lock, flag); /* The initialization of all queue id is invalid */ parent_queue_info->parent_cmd_scq_info.cqm_queue_id = INVALID_VALUE32; diff --git a/drivers/scsi/spfc/hw/spfc_service.c b/drivers/scsi/spfc/hw/spfc_service.c index e99802df50a2..1da58e3f9fbe 100644 --- a/drivers/scsi/spfc/hw/spfc_service.c +++ b/drivers/scsi/spfc/hw/spfc_service.c @@ -742,7 +742,7 @@ u32 spfc_scq_recv_abts_rsp(struct spfc_hba_info *hba, union spfc_scqe *scqe) ox_id = (u32)(abts_rsp->wd0.ox_id); - hot_tag = abts_rsp->wd1.hotpooltag & UNF_ORIGIN_HOTTAG_MASK; + hot_tag = abts_rsp->wd1.hotpooltag; if (unlikely(hot_tag < (u32)hba->exi_base || hot_tag >= (u32)(hba->exi_base + hba->exi_count))) { FC_DRV_PRINT(UNF_LOG_LOGIN_ATT, UNF_ERR, @@ -1210,7 +1210,7 @@ u32 spfc_scq_recv_ls_gs_rsp(struct spfc_hba_info *hba, union spfc_scqe *scqe) spfc_swap_16_in_32((u32 *)ls_gs_rsp_scqe->user_id, SPFC_LS_GS_USERID_LEN); ox_id = ls_gs_rsp_scqe->wd1.ox_id; - hot_tag = ((u16)(ls_gs_rsp_scqe->wd5.hotpooltag) & UNF_ORIGIN_HOTTAG_MASK) - hba->exi_base; + hot_tag = ((u16)ls_gs_rsp_scqe->wd5.hotpooltag) - hba->exi_base; pkg.frame_head.oxid_rxid = (u32)(ls_gs_rsp_scqe->wd1.rx_id) | ox_id << UNF_SHIFT_16; pkg.private_data[PKG_PRIVATE_XCHG_ALLOC_TIME] = ls_gs_rsp_scqe->magic_num; pkg.private_data[PKG_PRIVATE_XCHG_HOT_POOL_INDEX] = hot_tag; @@ -1317,8 +1317,7 @@ u32 spfc_scq_recv_els_rsp_sts(struct spfc_hba_info *hba, union spfc_scqe *scqe) pkg.private_data[PKG_PRIVATE_XCHG_ALLOC_TIME] = els_rsp_sts_scqe->magic_num; pkg.frame_head.oxid_rxid = rx_id | (u32)(els_rsp_sts_scqe->wd0.ox_id) << UNF_SHIFT_16; - hot_tag = (u32)((els_rsp_sts_scqe->wd1.hotpooltag & UNF_ORIGIN_HOTTAG_MASK) - - hba->exi_base); + hot_tag = (u32)(els_rsp_sts_scqe->wd1.hotpooltag - hba->exi_base); if (unlikely(SPFC_SCQE_HAS_ERRCODE(scqe))) pkg.status = UNF_IO_FAILED; @@ -1759,7 +1758,7 @@ u32 spfc_scq_recv_marker_sts(struct spfc_hba_info *hba, union spfc_scqe *scqe) tmf_marker_sts_scqe = &scqe->itmf_marker_sts; ox_id = (u32)tmf_marker_sts_scqe->wd1.ox_id; rx_id = (u32)tmf_marker_sts_scqe->wd1.rx_id; - hot_tag = (tmf_marker_sts_scqe->wd4.hotpooltag & UNF_ORIGIN_HOTTAG_MASK) - hba->exi_base; + hot_tag = tmf_marker_sts_scqe->wd4.hotpooltag - hba->exi_base; pkg.frame_head.oxid_rxid = rx_id | (u32)(ox_id) << UNF_SHIFT_16; pkg.private_data[PKG_PRIVATE_XCHG_ALLOC_TIME] = tmf_marker_sts_scqe->magic_num; pkg.frame_head.csctl_sid = tmf_marker_sts_scqe->wd3.sid; @@ -1800,7 +1799,7 @@ u32 spfc_scq_recv_abts_marker_sts(struct spfc_hba_info *hba, union spfc_scqe *sc ox_id = (u32)abts_marker_sts_scqe->wd1.ox_id; rx_id = (u32)abts_marker_sts_scqe->wd1.rx_id; - hot_tag = (abts_marker_sts_scqe->wd4.hotpooltag & UNF_ORIGIN_HOTTAG_MASK) - hba->exi_base; + hot_tag = abts_marker_sts_scqe->wd4.hotpooltag - hba->exi_base; pkg.frame_head.oxid_rxid = rx_id | (u32)(ox_id) << UNF_SHIFT_16; pkg.frame_head.csctl_sid = abts_marker_sts_scqe->wd3.sid; pkg.frame_head.rctl_did = abts_marker_sts_scqe->wd2.did; @@ -1972,8 +1971,7 @@ u32 spfc_scq_free_xid_sts(struct spfc_hba_info *hba, union spfc_scqe *scqe) rx_id = (u32)free_xid_sts_scqe->wd0.rx_id; if (free_xid_sts_scqe->wd1.hotpooltag != INVALID_VALUE16) { - hot_tag = (free_xid_sts_scqe->wd1.hotpooltag & - UNF_ORIGIN_HOTTAG_MASK) - hba->exi_base; + hot_tag = free_xid_sts_scqe->wd1.hotpooltag - hba->exi_base; } FC_DRV_PRINT(UNF_LOG_EQUIP_ATT, UNF_INFO, @@ -1998,7 +1996,7 @@ u32 spfc_scq_exchg_timeout_sts(struct spfc_hba_info *hba, union spfc_scqe *scqe) rx_id = (u32)time_out_scqe->wd0.rx_id; if (time_out_scqe->wd1.hotpooltag != INVALID_VALUE16) - hot_tag = (time_out_scqe->wd1.hotpooltag & UNF_ORIGIN_HOTTAG_MASK) - hba->exi_base; + hot_tag = time_out_scqe->wd1.hotpooltag - hba->exi_base; FC_DRV_PRINT(UNF_LOG_EQUIP_ATT, UNF_INFO, "Port(0x%x) recv timer time out sts hotpooltag(0x%x) magicnum(0x%x) ox_id(0x%x) rxid(0x%x) sts(%d)", @@ -2054,7 +2052,7 @@ u32 spfc_scq_rcv_sq_nop_sts(struct spfc_hba_info *hba, union spfc_scqe *scqe) FC_DRV_PRINT(UNF_LOG_LOGIN_ATT, UNF_INFO, "[info]Port(0x%x) rport_index(0x%x) find suspend sqe.", hba->port_cfg.port_id, rport_index); - if (sqn < sqn_max) { + if ((sqn < sqn_max) && (sqn >= sqn_base)) { ret = spfc_send_nop_cmd(hba, parent_sq_info, magic_num, sqn + 1); } else if (sqn == sqn_max) { if (!cancel_delayed_work(&suspend_sqe->timeout_work)) { @@ -2065,6 +2063,10 @@ u32 spfc_scq_rcv_sq_nop_sts(struct spfc_hba_info *hba, union spfc_scqe *scqe) parent_sq_info->need_offloaded = suspend_sqe->old_offload_sts; ret = spfc_pop_suspend_sqe(hba, prt_qinfo, suspend_sqe); kfree(suspend_sqe); + } else { + FC_DRV_PRINT(UNF_LOG_LOGIN_ATT, UNF_WARN, + "[warn]Port(0x%x) rport(0x%x) rcv error sqn(0x%x)", + hba->port_cfg.port_id, rport_index, sqn); } } else { FC_DRV_PRINT(UNF_LOG_LOGIN_ATT, UNF_WARN, -- 2.32.0

1 0

[PATCH openEuler-1.0-LTS 1/2] usb: gadget: don't release an existing dev->buf
by Yang Yingliang 18 Feb '22

18 Feb '22

From: Hangyu Hua <hbh25y(a)gmail.com> mainline inclusion from mainline-v5.17-rc1 commit 89f3594d0de58e8a57d92d497dea9fee3d4b9cda category: bugfix bugzilla: NA CVE: CVE-2022-24958 -------------------------------- dev->buf does not need to be released if it already exists before executing dev_config. Acked-by: Alan Stern <stern(a)rowland.harvard.edu> Signed-off-by: Hangyu Hua <hbh25y(a)gmail.com> Link: https://lore.kernel.org/r/20211231172138.7993-2-hbh25y@gmail.com Signed-off-by: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> Signed-off-by: Yang Yingliang <yangyingliang(a)huawei.com> Reviewed-by: Xiu Jianfeng <xiujianfeng(a)huawei.com> Signed-off-by: Yang Yingliang <yangyingliang(a)huawei.com> --- drivers/usb/gadget/legacy/inode.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/usb/gadget/legacy/inode.c b/drivers/usb/gadget/legacy/inode.c index f91d403da3141..a1488de12d450 100644 --- a/drivers/usb/gadget/legacy/inode.c +++ b/drivers/usb/gadget/legacy/inode.c @@ -1829,8 +1829,9 @@ dev_config (struct file *fd, const char __user *buf, size_t len, loff_t *ptr) spin_lock_irq (&dev->lock); value = -EINVAL; if (dev->buf) { + spin_unlock_irq(&dev->lock); kfree(kbuf); - goto fail; + return value; } dev->buf = kbuf; -- 2.25.1

1 1

[PATCH OLK-5.10 0/5] net/spnic: fix bugs:Remove unused functions about ceq
by Yanling Song 18 Feb '22

18 Feb '22

Fix 5 bugs: 1. Fix array bounds error in ethtool get_link_ksettings 2. Fix ethtool loopback command failure 3. Fix xor checksum error when sending a non 4B-aligned message to firmware 4. Fix an error when netdev failed to link up 5. Reduce the timeout of the channel between driver and firmware Yanling Song (5): net/spnic: Fix array bounds error in ethtool get_link_ksettings net/spnic: Fix ethtool loopback command failure net/spnic: Fix xor checksum error when sending a non 4B-aligned message to firmware net/spnic: Fix an error when netdev failed to link up net/spnic: Reduce the timeout of the channel between driver and firmware .../net/ethernet/ramaxel/spnic/hw/sphw_cmdq.c | 2 +- .../net/ethernet/ramaxel/spnic/hw/sphw_mbox.c | 10 ++-- .../net/ethernet/ramaxel/spnic/hw/sphw_mgmt.c | 2 +- .../ramaxel/spnic/spnic_ethtool_stats.c | 4 +- .../ethernet/ramaxel/spnic/spnic_mag_cfg.c | 2 +- .../ethernet/ramaxel/spnic/spnic_nic_cfg_vf.c | 49 ++++++++++++------- 6 files changed, 41 insertions(+), 28 deletions(-) -- 2.32.0

1 5

[PATCH openEuler-1.0-LTS 1/2] cgroup-v1: Require capabilities to set release_agent
by Yang Yingliang 17 Feb '22

17 Feb '22

From: "Eric W. Biederman" <ebiederm(a)xmission.com> stable inclusion from stable-v4.19.229 commit 939f8b491887c27585933ea7dc5ad4123de58ff3 CVE: CVE-2022-0492 ------------------------------- commit 24f6008564183aa120d07c03d9289519c2fe02af upstream. The cgroup release_agent is called with call_usermodehelper. The function call_usermodehelper starts the release_agent with a full set fo capabilities. Therefore require capabilities when setting the release_agaent. Reported-by: Tabitha Sable <tabitha.c.sable(a)gmail.com> Tested-by: Tabitha Sable <tabitha.c.sable(a)gmail.com> Fixes: 81a6a5cdd2c5 ("Task Control Groups: automatic userspace notification of idle cgroups") Cc: stable(a)vger.kernel.org # v2.6.24+ Signed-off-by: "Eric W. Biederman" <ebiederm(a)xmission.com> Signed-off-by: Tejun Heo <tj(a)kernel.org> [mkoutny: Adjust for pre-fs_context, duplicate mount/remount check, drop log messages.] Acked-by: Michal Koutný <mkoutny(a)suse.com> Signed-off-by: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> Signed-off-by: Lu Jialin <lujialin4(a)huawei.com> Reviewed-by: Wang Weiyang <wangweiyang2(a)huawei.com> Reviewed-by: Xiu Jianfeng <xiujianfeng(a)huawei.com> Signed-off-by: Yang Yingliang <yangyingliang(a)huawei.com> --- kernel/cgroup/cgroup-v1.c | 24 ++++++++++++++++++++++++ 1 file changed, 24 insertions(+) diff --git a/kernel/cgroup/cgroup-v1.c b/kernel/cgroup/cgroup-v1.c index f833fe71fa5f6..c4cc6c1ddacde 100644 --- a/kernel/cgroup/cgroup-v1.c +++ b/kernel/cgroup/cgroup-v1.c @@ -580,6 +580,14 @@ static ssize_t cgroup_release_agent_write(struct kernfs_open_file *of, BUILD_BUG_ON(sizeof(cgrp->root->release_agent_path) < PATH_MAX); + /* + * Release agent gets called with all capabilities, + * require capabilities to set release agent. + */ + if ((of->file->f_cred->user_ns != &init_user_ns) || + !capable(CAP_SYS_ADMIN)) + return -EPERM; + cgrp = cgroup_kn_lock_live(of->kn, false); if (!cgrp) return -ENODEV; @@ -1054,6 +1062,7 @@ static int cgroup1_remount(struct kernfs_root *kf_root, int *flags, char *data) { int ret = 0; struct cgroup_root *root = cgroup_root_from_kf(kf_root); + struct cgroup_namespace *ns = current->nsproxy->cgroup_ns; struct cgroup_sb_opts opts; u16 added_mask, removed_mask; @@ -1067,6 +1076,12 @@ static int cgroup1_remount(struct kernfs_root *kf_root, int *flags, char *data) if (opts.subsys_mask != root->subsys_mask || opts.release_agent) pr_warn("option changes via remount are deprecated (pid=%d comm=%s)\n", task_tgid_nr(current), current->comm); + /* See cgroup1_mount release_agent handling */ + if (opts.release_agent && + ((ns->user_ns != &init_user_ns) || !capable(CAP_SYS_ADMIN))) { + ret = -EINVAL; + goto out_unlock; + } added_mask = opts.subsys_mask & ~root->subsys_mask; removed_mask = root->subsys_mask & ~opts.subsys_mask; @@ -1205,6 +1220,15 @@ struct dentry *cgroup1_mount(struct file_system_type *fs_type, int flags, ret = -EPERM; goto out_unlock; } + /* + * Release agent gets called with all capabilities, + * require capabilities to set release agent. + */ + if (opts.release_agent && + ((ns->user_ns != &init_user_ns) || !capable(CAP_SYS_ADMIN))) { + ret = -EINVAL; + goto out_unlock; + } root = kzalloc(sizeof(*root), GFP_KERNEL); if (!root) { -- 2.25.1

1 1

[PATCH openEuler-5.10 1/9] livepatch: Fix kobject refcount bug on klp_init_patch_early failure path
by Zheng Zengkai 17 Feb '22

17 Feb '22

From: David Vernet <void(a)manifault.com> mainline inclusion from mainline-v5.17-rc1 commit 5ef3dd20555e8e878ac390a71e658db5fd02845c category: bugfix bugzilla: https://gitee.com/openeuler/kernel/issues/I4TF7T Reference: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?… -------------------------------- When enabling a klp patch with klp_enable_patch(), klp_init_patch_early() is invoked to initialize the kobjects for the patch itself, as well as the 'struct klp_object' and 'struct klp_func' objects that comprise it. However, there are some error paths in klp_enable_patch() where some kobjects may have been initialized with kobject_init(), but an error code is still returned due to e.g. a 'struct klp_object' having a NULL funcs pointer. In these paths, the initial reference of the kobject of the 'struct klp_patch' may never be released, along with one or more of its objects and their functions, as kobject_put() is not invoked on the cleanup path if klp_init_patch_early() returns an error code. For example, if an object entry such as the following were added to the sample livepatch module's klp patch, it would cause the vmlinux klp_object, and its klp_func which updates 'cmdline_proc_show', to never be released: static struct klp_object objs[] = { { /* name being NULL means vmlinux */ .funcs = funcs, }, { /* NULL funcs -- would cause reference leak */ .name = "kvm", }, { } }; Without this change, if CONFIG_DEBUG_KOBJECT is enabled, and the sample klp patch is loaded, the kobjects (the patch, the vmlinux 'struct klp_object', and its func) are observed as initialized, but never released, in the dmesg log output. With the change, these kobject references no longer fail to be released as the error case is properly handled before they are initialized. Since 81fd525cedd9 ("[Huawei] livepatch: Add klp_{register,unregister}_patch for stop_machine model"), klp_register_patch was born out of klp_enable_patch with similar issue, we also fix it in this patch. Signed-off-by: David Vernet <void(a)manifault.com> Reviewed-by: Petr Mladek <pmladek(a)suse.com> Acked-by: Miroslav Benes <mbenes(a)suse.cz> Acked-by: Josh Poimboeuf <jpoimboe(a)redhat.com> Signed-off-by: Petr Mladek <pmladek(a)suse.com> Conflicts: kernel/livepatch/core.c Fixes: 0430f78bf38f ("livepatch: Consolidate klp_free functions") Fixes: c33e42836a74 ("livepatch/core: Allow implementation without ftrace") Signed-off-by: Zheng Yejian <zhengyejian1(a)huawei.com> Signed-off-by: Zheng Zengkai <zhengzengkai(a)huawei.com> --- kernel/livepatch/core.c | 50 +++++++++++++++++------------------------ 1 file changed, 20 insertions(+), 30 deletions(-) diff --git a/kernel/livepatch/core.c b/kernel/livepatch/core.c index b46ef236424d..b0f54d4c663b 100644 --- a/kernel/livepatch/core.c +++ b/kernel/livepatch/core.c @@ -1146,14 +1146,11 @@ static void klp_init_object_early(struct klp_patch *patch, #endif } -static int klp_init_patch_early(struct klp_patch *patch) +static void klp_init_patch_early(struct klp_patch *patch) { struct klp_object *obj; struct klp_func *func; - if (!patch->objs) - return -EINVAL; - INIT_LIST_HEAD(&patch->list); INIT_LIST_HEAD(&patch->obj_list); kobject_init(&patch->kobj, &klp_ktype_patch); @@ -1163,26 +1160,12 @@ static int klp_init_patch_early(struct klp_patch *patch) init_completion(&patch->finish); klp_for_each_object_static(patch, obj) { - if (!obj->funcs) - return -EINVAL; - klp_init_object_early(patch, obj); klp_for_each_func_static(obj, func) { klp_init_func_early(obj, func); } } - - /* - * For stop_machine model, we only need to module_get and module_put once when - * enable_patch and disable_patch respectively. - */ -#ifdef CONFIG_LIVEPATCH_PER_TASK_CONSISTENCY - if (!try_module_get(patch->mod)) - return -ENODEV; -#endif - - return 0; } static int klp_init_patch(struct klp_patch *patch) @@ -1431,10 +1414,16 @@ static int __klp_enable_patch(struct klp_patch *patch) int klp_enable_patch(struct klp_patch *patch) { int ret; + struct klp_object *obj; - if (!patch || !patch->mod) + if (!patch || !patch->mod || !patch->objs) return -EINVAL; + klp_for_each_object_static(patch, obj) { + if (!obj->funcs) + return -EINVAL; + } + if (!is_livepatch_module(patch->mod)) { pr_err("module %s is not marked as a livepatch module\n", patch->mod->name); @@ -1458,11 +1447,10 @@ int klp_enable_patch(struct klp_patch *patch) return -EINVAL; } - ret = klp_init_patch_early(patch); - if (ret) { - mutex_unlock(&klp_mutex); - return ret; - } + if (!try_module_get(patch->mod)) + return -ENODEV; + + klp_init_patch_early(patch); ret = klp_init_patch(patch); if (ret) @@ -1609,10 +1597,16 @@ static int __klp_enable_patch(struct klp_patch *patch) int klp_register_patch(struct klp_patch *patch) { int ret; + struct klp_object *obj; - if (!patch || !patch->mod) + if (!patch || !patch->mod || !patch->objs) return -EINVAL; + klp_for_each_object_static(patch, obj) { + if (!obj->funcs) + return -EINVAL; + } + if (!is_livepatch_module(patch->mod)) { pr_err("module %s is not marked as a livepatch module\n", patch->mod->name); @@ -1629,11 +1623,7 @@ int klp_register_patch(struct klp_patch *patch) return -EINVAL; } - ret = klp_init_patch_early(patch); - if (ret) { - mutex_unlock(&klp_mutex); - return ret; - } + klp_init_patch_early(patch); ret = klp_init_patch(patch); if (ret) -- 2.20.1

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[PATCH openEuler-1.0-LTS 1/2] NFSv4: Handle case where the lookup of a directory fails
by Yang Yingliang 16 Feb '22

16 Feb '22

From: Trond Myklebust <trond.myklebust(a)hammerspace.com> mainline inclusion from mainline-v5.16 commit ac795161c93699d600db16c1a8cc23a65a1eceaf category: bugfix bugzilla: 186205 CVE: CVE-2022-24448 ----------------------------------------------- If the application sets the O_DIRECTORY flag, and tries to open a regular file, nfs_atomic_open() will punt to doing a regular lookup. If the server then returns a regular file, we will happily return a file descriptor with uninitialised open state. The fix is to return the expected ENOTDIR error in these cases. Reported-by: Lyu Tao <tao.lyu(a)epfl.ch> Fixes: 0dd2b474d0b6 ("nfs: implement i_op->atomic_open()") Signed-off-by: Trond Myklebust <trond.myklebust(a)hammerspace.com> Signed-off-by: Anna Schumaker <Anna.Schumaker(a)Netapp.com> Signed-off-by: Zhang Xiaoxu <zhangxiaoxu5(a)huawei.com> Reviewed-by: Zhang Yi <yi.zhang(a)huawei.com> Reviewed-by: Xiu Jianfeng <xiujianfeng(a)huawei.com> Signed-off-by: Yang Yingliang <yangyingliang(a)huawei.com> --- fs/nfs/dir.c | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/fs/nfs/dir.c b/fs/nfs/dir.c index ff9129c0572d9..757a83556b003 100644 --- a/fs/nfs/dir.c +++ b/fs/nfs/dir.c @@ -1637,6 +1637,19 @@ int nfs_atomic_open(struct inode *dir, struct dentry *dentry, no_open: res = nfs_lookup(dir, dentry, lookup_flags); + if (!res) { + inode = d_inode(dentry); + if ((lookup_flags & LOOKUP_DIRECTORY) && inode && + !S_ISDIR(inode->i_mode)) + res = ERR_PTR(-ENOTDIR); + } else if (!IS_ERR(res)) { + inode = d_inode(res); + if ((lookup_flags & LOOKUP_DIRECTORY) && inode && + !S_ISDIR(inode->i_mode)) { + dput(res); + res = ERR_PTR(-ENOTDIR); + } + } if (switched) { d_lookup_done(dentry); if (!res) -- 2.25.1

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openEuler kernel 双周例会
by openEuler conference 15 Feb '22

15 Feb '22

您好！ Kernel SIG 邀请您参加 2022-02-18 14:00 召开的ZOOM会议(自动录制) 会议主题：openEuler kernel 双周例会会议内容：议题1: Intel sgx特性介绍及合入议题2: 申请适配toa开源插件议题3: 实现ima namespace的digest list 会议链接：https://us06web.zoom.us/j/81827052778?pwd=c2MxN2RzMXR4cEh2RVFieFlUNDk4Zz09 温馨提醒：建议接入会议后修改参会人的姓名，也可以使用您在gitee.com的ID 更多资讯尽在：https://openeuler.org/zh/ Hello! openEuler Kernel SIG invites you to attend the ZOOM conference(auto recording) will be held at 2022-02-18 14:00, The subject of the conference is openEuler kernel 双周例会, Summary: 议题1: Intel sgx特性介绍及合入议题2: 申请适配toa开源插件议题3: 实现ima namespace的digest list You can join the meeting at https://us06web.zoom.us/j/81827052778?pwd=c2MxN2RzMXR4cEh2RVFieFlUNDk4Zz09. Note: You are advised to change the participant name after joining the conference or use your ID at gitee.com. More information: https://openeuler.org/en/

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[PATCH openEuler-1.0-LTS] configfs: fix a race in configfs_{,un}register_subsystem()
by Yang Yingliang 15 Feb '22

15 Feb '22

From: ChenXiaoSong <chenxiaosong2(a)huawei.com> hulk inclusion category: bugfix bugzilla: 186233, https://gitee.com/src-openeuler/kernel/issues/I4TLA2?from=project-issue CVE: NA ----------------------------------------------- When configfs_register_subsystem() or configfs_unregister_subsystem() is executing link_group() or unlink_group(), it is possible that two processes add or delete list concurrently. Some unfortunate interleavings of them can cause kernel panic. One of cases is: A --> B --> C --> D A <-- B <-- C <-- D delete list_head *B | delete list_head *C --------------------------------|----------------------------------- configfs_unregister_subsystem | configfs_unregister_subsystem unlink_group | unlink_group unlink_obj | unlink_obj list_del_init | list_del_init __list_del_entry | __list_del_entry __list_del | __list_del // next == C | next->prev = prev | | next->prev = prev prev->next = next | | // prev == B | prev->next = next Fix this by adding mutex when calling link_group() or unlink_group(), but parent configfs_subsystem is NULL when config_item is root. So I create a mutex configfs_subsystem_mutex. Fixes: 7063fbf22611 ("[PATCH] configfs: User-driven configuration filesystem") Signed-off-by: ChenXiaoSong <chenxiaosong2(a)huawei.com> Signed-off-by: Laibin Qiu <qiulaibin(a)huawei.com> Reviewed-by: yangerkun <yangerkun(a)huawei.com> Reviewed-by: Zhang Yi <yi.zhang(a)huawei.com> Signed-off-by: Yang Yingliang <yangyingliang(a)huawei.com> --- fs/configfs/dir.c | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/fs/configfs/dir.c b/fs/configfs/dir.c index 2cc6b1c49d348..9b43611e1bb35 100644 --- a/fs/configfs/dir.c +++ b/fs/configfs/dir.c @@ -50,6 +50,14 @@ DECLARE_RWSEM(configfs_rename_sem); */ DEFINE_SPINLOCK(configfs_dirent_lock); +/* + * All of link_obj/unlink_obj/link_group/unlink_group require that + * subsys->su_mutex is held. + * But parent configfs_subsystem is NULL when config_item is root. + * Use this mutex when config_item is root. + */ +static DEFINE_MUTEX(configfs_subsystem_mutex); + static void configfs_d_iput(struct dentry * dentry, struct inode * inode) { @@ -1936,7 +1944,9 @@ int configfs_register_subsystem(struct configfs_subsystem *subsys) group->cg_item.ci_name = group->cg_item.ci_namebuf; sd = root->d_fsdata; + mutex_lock(&configfs_subsystem_mutex); link_group(to_config_group(sd->s_element), group); + mutex_unlock(&configfs_subsystem_mutex); inode_lock_nested(d_inode(root), I_MUTEX_PARENT); @@ -1961,7 +1971,9 @@ int configfs_register_subsystem(struct configfs_subsystem *subsys) inode_unlock(d_inode(root)); if (err) { + mutex_lock(&configfs_subsystem_mutex); unlink_group(group); + mutex_unlock(&configfs_subsystem_mutex); configfs_release_fs(); } put_fragment(frag); @@ -2007,7 +2019,9 @@ void configfs_unregister_subsystem(struct configfs_subsystem *subsys) dput(dentry); + mutex_lock(&configfs_subsystem_mutex); unlink_group(group); + mutex_unlock(&configfs_subsystem_mutex); configfs_release_fs(); } -- 2.25.1

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Re: [OLK-5.10 v2] block: update io_ticks when io hang
by Hou Tao 15 Feb '22

15 Feb '22

1 0

Re: [Tc] Re: [Dev] openEuler 技术委员会例会
by Xie XiuQi 14 Feb '22

14 Feb '22

这个议题先在 kernel sig 讨论吧。可以在 https://gitee.com/openeuler/kernel/issues 提个 issue。我把这个提议报到 kernel sig。 On 2022/2/14 16:39, Jianmin Wang wrote: > Hi，王书，您好， > > 感谢提交议题，因为和 kernel 密切相关，是否有 Kernel SIG 的意见以及对应的 PR / Issue 提前发出来呢？ > > ——王建民 > >> On 14 Feb 2022, at 4:18 PM, 王书 <wangshu(a)uniontech.com> wrote: >> >> 议题申报： >> 《推送TOA模块到内核sig组申请》---统信刘冬华 >> >> >> ------------------ Original ------------------ >> From: "叶青龙"<yeqinglong(a)uniontech.com>; >> Date: Mon, Feb 14, 2022 03:22 PM >> To: "王书"<wangshu(a)uniontech.com>; >> Subject: Fw:[Dev] Fwd: openEuler 技术委员会例会 >> >> 请在例会通知邮件上申报议题。 >> >> >> >> >> >>> 服务器OS与云计算产线叶青龙 >>> >>> 联系电话：18991378194 >>> >>> 地址：西安市雁塔区天谷八路西安软件新城软件研发基地2期 >> >> >> >> >> ------------------ Original ------------------ >> From: "王建民"<jianmin(a)iscas.ac.cn>; >> Date: Tue, Feb 8, 2022 04:43 PM >> To: "tc"<tc(a)openeuler.org>; "dev"<dev(a)openeuler.org>; >> Subject: [Dev] Fwd: openEuler 技术委员会例会 >> >> 大家新年好， >> >> 春节后第一次 TC 例会将于 2022 年 2 月 16 日进行，欢迎大家回复邮件提交议题。 >> >> 谢谢。 >> >> -王建民 >> >> Hello, Everyone, >> >> Happy New Year! >> >> The first bi-weekly meeting of openEuler TC will be held on 2022/02/16 Wednesday. >> >> Welcome to submit topics by replying to the email. >> >> >> Best Regards, >> Jianmin Wang >> >> >> Begin forwarded message: >> >> From: openEuler conference <public(a)openeuler.org> >> Date: 8 February 2022 at 2:28:47 PM GMT+8 >> Subject: [Dev] openEuler 技术委员会例会 >> >> 您好！ >> >> TC SIG 邀请您参加 2022-02-16 10:00 召开的ZOOM会议 >> >> 会议主题：openEuler 技术委员会例会 >> >> 会议链接：https://us06web.zoom.us/j/82775432385?pwd=Y2hkOGZkeklrMzJVaUVnM2dONTBxdz09 >> >> 温馨提醒：建议接入会议后修改参会人的姓名，也可以使用您在gitee.com的ID >> >> 更多资讯尽在：https://openeuler.org/zh/ >> >> >> >> >> Hello! >> >> openEuler TC SIG invites you to attend the ZOOM conference will be held at 2022-02-16 10:00, >> >> The subject of the conference is openEuler 技术委员会例会, >> >> You can join the meeting at https://us06web.zoom.us/j/82775432385?pwd=Y2hkOGZkeklrMzJVaUVnM2dONTBxdz09. >> >> Note: You are advised to change the participant name after joining the conference or use your ID at gitee.com. >> >> More information: https://openeuler.org/en/ >> >> _______________________________________________ >> Dev mailing list -- dev(a)openeuler.org >> To unsubscribe send an email to dev-leave(a)openeuler.org >> _______________________________________________ >> Dev mailing list -- dev(a)openeuler.org >> To unsubscribe send an email to dev-leave(a)openeuler.org > > _______________________________________________ > Tc mailing list -- tc(a)openeuler.org > To unsubscribe send an email to tc-leave(a)openeuler.org >

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