- Kernel - mailweb.openeuler.org

[PATCH OLK-6.6] smb/server: call ksmbd_session_rpc_close() on error path in create_smb2_pipe()
by Li Lingfeng 24 Feb '26

24 Feb '26

From: ZhangGuoDong <zhangguodong(a)kylinos.cn> stable inclusion from stable-v6.6.124 commit 04dd114b682a4ccaeba2c2bad049c8b50ce740d8 category: bugfix bugzilla: https://atomgit.com/src-openeuler/kernel/issues/13726 CVE: CVE-2025-71220 Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id… -------------------------------- [ Upstream commit 7c28f8eef5ac5312794d8a52918076dcd787e53b ] When ksmbd_iov_pin_rsp() fails, we should call ksmbd_session_rpc_close(). Signed-off-by: ZhangGuoDong <zhangguodong(a)kylinos.cn> Signed-off-by: ChenXiaoSong <chenxiaosong(a)kylinos.cn> Acked-by: Namjae Jeon <linkinjeon(a)kernel.org> Signed-off-by: Steve French <stfrench(a)microsoft.com> Signed-off-by: Sasha Levin <sashal(a)kernel.org> Signed-off-by: Li Lingfeng <lilingfeng3(a)huawei.com> --- fs/smb/server/smb2pdu.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/fs/smb/server/smb2pdu.c b/fs/smb/server/smb2pdu.c index 1ec50a9272ea..4fd2d02acacd 100644 --- a/fs/smb/server/smb2pdu.c +++ b/fs/smb/server/smb2pdu.c @@ -2264,7 +2264,7 @@ static noinline int create_smb2_pipe(struct ksmbd_work *work) { struct smb2_create_rsp *rsp; struct smb2_create_req *req; - int id; + int id = -1; int err; char *name; @@ -2321,6 +2321,9 @@ static noinline int create_smb2_pipe(struct ksmbd_work *work) break; } + if (id >= 0) + ksmbd_session_rpc_close(work->sess, id); + if (!IS_ERR(name)) kfree(name); -- 2.52.0

2 1

[PATCH OLK-6.6] smb: server: fix leak of active_num_conn in ksmbd_tcp_new_connection()
by Li Lingfeng 24 Feb '26

24 Feb '26

From: Henrique Carvalho <henrique.carvalho(a)suse.com> stable inclusion from stable-v6.6.125 commit 787769c8cc50416af7b8b1a36e6bcd6aaa7680aa category: bugfix bugzilla: https://atomgit.com/src-openeuler/kernel/issues/13789 CVE: CVE-2026-23228 Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id… -------------------------------- commit 77ffbcac4e569566d0092d5f22627dfc0896b553 upstream. On kthread_run() failure in ksmbd_tcp_new_connection(), the transport is freed via free_transport(), which does not decrement active_num_conn, leaking this counter. Replace free_transport() with ksmbd_tcp_disconnect(). Fixes: 0d0d4680db22e ("ksmbd: add max connections parameter") Cc: stable(a)vger.kernel.org Signed-off-by: Henrique Carvalho <henrique.carvalho(a)suse.com> Acked-by: Namjae Jeon <linkinjeon(a)kernel.org> Signed-off-by: Steve French <stfrench(a)microsoft.com> Signed-off-by: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> Signed-off-by: Li Lingfeng <lilingfeng3(a)huawei.com> --- fs/smb/server/transport_tcp.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/fs/smb/server/transport_tcp.c b/fs/smb/server/transport_tcp.c index c43a46511428..ee881e8f027f 100644 --- a/fs/smb/server/transport_tcp.c +++ b/fs/smb/server/transport_tcp.c @@ -41,6 +41,7 @@ static struct ksmbd_transport_ops ksmbd_tcp_transport_ops; static void tcp_stop_kthread(struct task_struct *kthread); static struct interface *alloc_iface(char *ifname); +static void ksmbd_tcp_disconnect(struct ksmbd_transport *t); #define KSMBD_TRANS(t) (&(t)->transport) #define TCP_TRANS(t) ((struct tcp_transport *)container_of(t, \ @@ -219,7 +220,7 @@ static int ksmbd_tcp_new_connection(struct socket *client_sk) if (IS_ERR(handler)) { pr_err("cannot start conn thread\n"); rc = PTR_ERR(handler); - free_transport(t); + ksmbd_tcp_disconnect(KSMBD_TRANS(t)); } return rc; -- 2.52.0

2 1

[PATCH OLK-5.10] nvmet-tcp: add bounds checks in nvmet_tcp_build_pdu_iovec
by Zizhi Wo 24 Feb '26

24 Feb '26

From: YunJe Shin <yjshin0438(a)gmail.com> stable inclusion from stable-v5.10.250 commit 043b4307a99f902697349128fde93b2ddde4686c category: bugfix bugzilla: https://atomgit.com/src-openeuler/kernel/issues/13660 CVE: CVE-2026-23112 Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id… -------------------------------- [ Upstream commit 52a0a98549344ca20ad81a4176d68d28e3c05a5c ] nvmet_tcp_build_pdu_iovec() could walk past cmd->req.sg when a PDU length or offset exceeds sg_cnt and then use bogus sg->length/offset values, leading to _copy_to_iter() GPF/KASAN. Guard sg_idx, remaining entries, and sg->length/offset before building the bvec. Fixes: 872d26a391da ("nvmet-tcp: add NVMe over TCP target driver") Signed-off-by: YunJe Shin <ioerts(a)kookmin.ac.kr> Reviewed-by: Sagi Grimberg <sagi(a)grimberg.me> Reviewed-by: Joonkyo Jung <joonkyoj(a)yonsei.ac.kr> Signed-off-by: Keith Busch <kbusch(a)kernel.org> Signed-off-by: Sasha Levin <sashal(a)kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> Conflicts: drivers/nvme/target/tcp.c [Due to commit 5bfaba275ae6 ("nvmet-tcp: don't map pages which can't come from HIGHMEM") not been merged, which is not related to this patch.] Signed-off-by: Zizhi Wo <wozizhi(a)huawei.com> --- drivers/nvme/target/tcp.c | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) diff --git a/drivers/nvme/target/tcp.c b/drivers/nvme/target/tcp.c index da2f9c9e0a6d..a470ffb93f66 100644 --- a/drivers/nvme/target/tcp.c +++ b/drivers/nvme/target/tcp.c @@ -286,6 +286,8 @@ static int nvmet_tcp_check_ddgst(struct nvmet_tcp_queue *queue, void *pdu) return 0; } +static void nvmet_tcp_fatal_error(struct nvmet_tcp_queue *queue); + static void nvmet_tcp_unmap_pdu_iovec(struct nvmet_tcp_cmd *cmd) { struct scatterlist *sg; @@ -302,22 +304,38 @@ static void nvmet_tcp_map_pdu_iovec(struct nvmet_tcp_cmd *cmd) struct kvec *iov = cmd->iov; struct scatterlist *sg; u32 length, offset, sg_offset; + unsigned int sg_remaining; length = cmd->pdu_len; cmd->nr_mapped = DIV_ROUND_UP(length, PAGE_SIZE); offset = cmd->rbytes_done; cmd->sg_idx = offset / PAGE_SIZE; sg_offset = offset % PAGE_SIZE; + if (!cmd->req.sg_cnt || cmd->sg_idx >= cmd->req.sg_cnt) { + nvmet_tcp_fatal_error(cmd->queue); + return; + } sg = &cmd->req.sg[cmd->sg_idx]; + sg_remaining = cmd->req.sg_cnt - cmd->sg_idx; while (length) { u32 iov_len = min_t(u32, length, sg->length - sg_offset); + if (!sg_remaining) { + nvmet_tcp_fatal_error(cmd->queue); + return; + } + if (!sg->length || sg->length <= sg_offset) { + nvmet_tcp_fatal_error(cmd->queue); + return; + } + iov->iov_base = kmap(sg_page(sg)) + sg->offset + sg_offset; iov->iov_len = iov_len; length -= iov_len; sg = sg_next(sg); + sg_remaining--; iov++; sg_offset = 0; } -- 2.39.2

2 1

[PATCH OLK-6.6] net: hv_netvsc: reject RSS hash key programming without RX indirection table
by Wupeng Ma 24 Feb '26

24 Feb '26

From: Aditya Garg <gargaditya(a)linux.microsoft.com> stable inclusion from stable-v6.6.122 commit 82c9039c8ebb715753a40434df714f865a3aec9c category: bugfix bugzilla: https://atomgit.com/src-openeuler/kernel/issues/13587 CVE: CVE-2026-23054 Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id… -------------------------------- [ Upstream commit d23564955811da493f34412d7de60fa268c8cb50 ] RSS configuration requires a valid RX indirection table. When the device reports a single receive queue, rndis_filter_device_add() does not allocate an indirection table, accepting RSS hash key updates in this state leads to a hang. Fix this by gating netvsc_set_rxfh() on ndc->rx_table_sz and return -EOPNOTSUPP when the table is absent. This aligns set_rxfh with the device capabilities and prevents incorrect behavior. Fixes: 962f3fee83a4 ("netvsc: add ethtool ops to get/set RSS key") Signed-off-by: Aditya Garg <gargaditya(a)linux.microsoft.com> Reviewed-by: Dipayaan Roy <dipayanroy(a)linux.microsoft.com> Reviewed-by: Haiyang Zhang <haiyangz(a)microsoft.com> Link: https://patch.msgid.link/1768212093-1594-1-git-send-email-gargaditya@linux.… Signed-off-by: Jakub Kicinski <kuba(a)kernel.org> Signed-off-by: Sasha Levin <sashal(a)kernel.org> Signed-off-by: Wupeng Ma <mawupeng1(a)huawei.com> --- drivers/net/hyperv/netvsc_drv.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/net/hyperv/netvsc_drv.c b/drivers/net/hyperv/netvsc_drv.c index aa114240e340d..af001e2e688b2 100644 --- a/drivers/net/hyperv/netvsc_drv.c +++ b/drivers/net/hyperv/netvsc_drv.c @@ -1762,6 +1762,9 @@ static int netvsc_set_rxfh(struct net_device *dev, const u32 *indir, if (hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != ETH_RSS_HASH_TOP) return -EOPNOTSUPP; + if (!ndc->rx_table_sz) + return -EOPNOTSUPP; + rndis_dev = ndev->extension; if (indir) { for (i = 0; i < ndc->rx_table_sz; i++) -- 2.43.0

2 1

[PATCH OLK-5.10 0/2] ACPI/IORT: Add PMCG platform information for 162001900
by Zeng Heng 24 Feb '26

24 Feb '26

Qinxin Xia (2): arm-smmu-v3: add HIP09A, HIP09B, HIP10C, HIP10CA for 162100602 errata ACPI/IORT: Add PMCG platform information for 162001900 Documentation/arm64/silicon-errata.rst | 6 +++--- drivers/acpi/arm64/iort.c | 4 ++++ drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c | 8 ++++++++ 3 files changed, 15 insertions(+), 3 deletions(-) -- 2.25.1

2 3

[PATCH OLK-5.10 0/2] fix CVE-2026-23054
by Wupeng Ma 24 Feb '26

24 Feb '26

fix CVE-2026-23054. Aditya Garg (1): net: hv_netvsc: reject RSS hash key programming without RX indirection table Shradha Gupta (1): hv_netvsc: Allocate rx indirection table size dynamically drivers/net/hyperv/hyperv_net.h | 5 ++++- drivers/net/hyperv/netvsc_drv.c | 13 +++++++++---- drivers/net/hyperv/rndis_filter.c | 28 ++++++++++++++++++++++++---- 3 files changed, 37 insertions(+), 9 deletions(-) -- 2.43.0

2 3

[PATCH OLK-5.10] ACPI/IORT: Add PMCG platform information for 162001900
by Zeng Heng 12 Feb '26

12 Feb '26

From: Qinxin Xia <xiaqinxin(a)huawei.com> hulk inclusion category: bugfix bugzilla: https://atomgit.com/openeuler/kernel/issues/7640 ------------------ Some HiSilicon platforms using the same SMMU PMCG with HIP09 and thus suffers the same erratum. List them in the PMCG platform information list without introducing a new SMMU PMCG Model. Update the silicon-errata.rst as well. Fixes: 28396fe25d85 ("Add PMCG platform information for HiSilicon HIP09A") Signed-off-by: Qinxin Xia <xiaqinxin(a)huawei.com> Signed-off-by: Zeng Heng <zengheng4(a)huawei.com> --- Documentation/arm64/silicon-errata.rst | 6 +++--- drivers/acpi/arm64/iort.c | 4 ++++ 2 files changed, 7 insertions(+), 3 deletions(-) diff --git a/Documentation/arm64/silicon-errata.rst b/Documentation/arm64/silicon-errata.rst index 65c5c284893c..f8857b6698cc 100644 --- a/Documentation/arm64/silicon-errata.rst +++ b/Documentation/arm64/silicon-errata.rst @@ -147,9 +147,9 @@ stable kernels. +----------------+-----------------+-----------------+-----------------------------+ | Hisilicon | Hip08 SMMU PMCG | #162001800 | N/A | +----------------+-----------------+-----------------+-----------------------------+ -| Hisilicon | Hip{08,09,09A,10| #162001900 | N/A | -| | ,10C,11} | | | -| | SMMU PMCG | | | +| Hisilicon | Hip{08,09,09A, | #162001900 | N/A | +| | 09B,10,10C,10CA,| | | +| | 11} SMMU PMCG | | | +----------------+-----------------+-----------------+-----------------------------+ | Hisilicon | TSV{110,200} | #1980005 | HISILICON_ERRATUM_1980005 | +----------------+-----------------+-----------------+-----------------------------+ diff --git a/drivers/acpi/arm64/iort.c b/drivers/acpi/arm64/iort.c index f3e44b95368a..c8b20e4589a0 100644 --- a/drivers/acpi/arm64/iort.c +++ b/drivers/acpi/arm64/iort.c @@ -1567,11 +1567,15 @@ static struct acpi_platform_list pmcg_plat_info[] __initdata = { "Erratum #162001900", IORT_SMMU_V3_PMCG_HISI_HIP09}, {"HISI ", "HIP09A ", 0, ACPI_SIG_IORT, greater_than_or_equal, "Erratum #162001900", IORT_SMMU_V3_PMCG_HISI_HIP09}, + {"HISI ", "HIP09B ", 0, ACPI_SIG_IORT, greater_than_or_equal, + "Erratum #162001900", IORT_SMMU_V3_PMCG_HISI_HIP09}, /* HiSilicon Hip10/11 Platform uses the same SMMU IP with Hip09 */ {"HISI ", "HIP10 ", 0, ACPI_SIG_IORT, greater_than_or_equal, "Erratum #162001900", IORT_SMMU_V3_PMCG_HISI_HIP09}, {"HISI ", "HIP10C ", 0, ACPI_SIG_IORT, greater_than_or_equal, "Erratum #162001900", IORT_SMMU_V3_PMCG_HISI_HIP09}, + {"HISI ", "HIP10CA ", 0, ACPI_SIG_IORT, greater_than_or_equal, + "Erratum #162001900", IORT_SMMU_V3_PMCG_HISI_HIP09}, {"HISI ", "HIP11 ", 0, ACPI_SIG_IORT, greater_than_or_equal, "Erratum #162001900", IORT_SMMU_V3_PMCG_HISI_HIP09}, { } -- 2.25.1

2 1

[PATCH OLK-5.10] arm-smmu-v3: add HIP09A, HIP09B, HIP10C, HIP10CA for 162100602 errata
by Zeng Heng 12 Feb '26

12 Feb '26

From: Qinxin Xia <xiaqinxin(a)huawei.com> hulk inclusion category: bugfix bugzilla: https://atomgit.com/openeuler/kernel/issues/7640 ------------------ Add HIP09A, HIP09B, HIP10C, HIP10CA for 162100602 errata Fixes: c20cd1f88a57 ("iommu/arm-smmu-v3: Change the style to identify the the hisi_platform") Signed-off-by: Qinxin Xia <xiaqinxin(a)huawei.com> Signed-off-by: Zeng Heng <zengheng4(a)huawei.com> --- drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c b/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c index e67c1feeca5f..1528661f98dd 100644 --- a/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c +++ b/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c @@ -5265,8 +5265,16 @@ static struct acpi_platform_list arm_smmu_v3_plat_info[] = { /* HiSilicon Hip09 Platform */ {"HISI ", "HIP09 ", 0, ACPI_SIG_IORT, greater_than_or_equal, "Erratum #162100602", 0}, + {"HISI ", "HIP09A ", 0, ACPI_SIG_IORT, greater_than_or_equal, + "Erratum #162100602", 0}, + {"HISI ", "HIP09B ", 0, ACPI_SIG_IORT, greater_than_or_equal, + "Erratum #162100602", 0}, {"HISI ", "HIP10 ", 0, ACPI_SIG_IORT, greater_than_or_equal, "Erratum #162100602", 0}, + {"HISI ", "HIP10C ", 0, ACPI_SIG_IORT, greater_than_or_equal, + "Erratum #162100602", 0}, + {"HISI ", "HIP10CA ", 0, ACPI_SIG_IORT, greater_than_or_equal, + "Erratum #162100602", 0}, {"HISI ", "HIP11 ", 0, ACPI_SIG_IORT, greater_than_or_equal, "Erratum #162100602", 0}, { } -- 2.25.1

2 1

[PATCH v5 0/4] arm64/riscv: Add support for crashkernel CMA reservation
by Jinjie Ruan 12 Feb '26

12 Feb '26

Exclude crash kernel memory in crash core to avoid duplication. Also move the size calculation (and the realloc if needed) into crash core. And add support for crashkernel CMA reservation for arm64 and riscv. Changes in v5: - Fix the kernel test robot build warnings. - Sort crash memory ranges before preparing elfcorehdr for powerpc - Link to v4: https://lore.kernel.org/all/20260209095931.2813152-1-ruanjinjie@huawei.com/ Changes in v4: - Move the size calculation (and the realloc if needed) into the generic crash. - Link to v3: https://lore.kernel.org/all/20260204093728.1447527-1-ruanjinjie@huawei.com/ Changs in v3: - Exclude crash kernel memory in crash core as Mike suggested. - Add acked-by. Jinjie Ruan (3): crash: Exclude crash kernel memory in crash core arm64: kexec: Add support for crashkernel CMA reservation riscv: kexec: Add support for crashkernel CMA reservation Sourabh Jain (1): powerpc/crash: sort crash memory ranges before preparing elfcorehdr .../admin-guide/kernel-parameters.txt | 16 +-- arch/arm64/include/asm/kexec.h | 9 +- arch/arm64/kernel/machine_kexec_file.c | 43 +++----- arch/arm64/mm/init.c | 5 +- arch/loongarch/include/asm/kexec.h | 9 +- arch/loongarch/kernel/machine_kexec_file.c | 41 +++---- arch/powerpc/include/asm/kexec.h | 13 +++ arch/powerpc/include/asm/kexec_ranges.h | 1 - arch/powerpc/kexec/crash.c | 67 ++++++----- arch/powerpc/kexec/file_load_64.c | 17 +-- arch/powerpc/kexec/ranges.c | 103 +---------------- arch/riscv/include/asm/kexec.h | 9 +- arch/riscv/kernel/machine_kexec_file.c | 39 +++---- arch/riscv/mm/init.c | 5 +- arch/x86/include/asm/kexec.h | 9 ++ arch/x86/kernel/crash.c | 104 ++---------------- include/linux/crash_core.h | 75 ++++++++++++- kernel/crash_core.c | 85 ++++++++++++-- 18 files changed, 314 insertions(+), 336 deletions(-) -- 2.34.1

1 4

[PATCH OLK-6.6] dm: use bio_clone_blkg_association
by Zhihao Cheng 12 Feb '26

12 Feb '26

From: Mikulas Patocka <mpatocka(a)redhat.com> mainline inclusion from mainline-v7.0-rc1 commit 2df8b310bcfe76827fd71092f58a2493ee6590b0 category: bugfix bugzilla: https://atomgit.com/src-openeuler/kernel/issues/13467 Reference: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?… -------------------------------- The origin bio carries blk-cgroup information which could be set from foreground(task_css(css) - wbc->wb->blkcg_css), so the blkcg won't control buffer io since commit ca522482e3eaf ("dm: pass NULL bdev to bio_alloc_clone"). The synchronous io is still under control by blkcg, because 'bio->bi_blkg' is set by io submitting task which has been added into 'cgroup.procs'. Fix it by using bio_clone_blkg_association when submitting a cloned bio. Link: https://bugzilla.kernel.org/show_bug.cgi?id=220985 Fixes: ca522482e3eaf ("dm: pass NULL bdev to bio_alloc_clone") Reported-by: Zhihao Cheng <chengzhihao1(a)huawei.com> Signed-off-by: Mikulas Patocka <mpatocka(a)redhat.com> Tested-by: Zhihao Cheng <chengzhihao1(a)huawei.com> Signed-off-by: Zhihao Cheng <chengzhihao1(a)huawei.com> --- drivers/md/dm.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/md/dm.c b/drivers/md/dm.c index 96f050891ec0..670460ade280 100644 --- a/drivers/md/dm.c +++ b/drivers/md/dm.c @@ -1365,6 +1365,8 @@ void dm_submit_bio_remap(struct bio *clone, struct bio *tgt_clone) if (!tgt_clone) tgt_clone = clone; + bio_clone_blkg_association(tgt_clone, io->orig_bio); + /* * Account io->origin_bio to DM dev on behalf of target * that took ownership of IO with DM_MAPIO_SUBMITTED. -- 2.52.0

2 1