May 2023 - Kernel - mailweb.openeuler.org

[PATCH OLK-5.10] Net: ethernet: 3snic 3s9xx network driver add "select NET_DEVLINK"
by Jialin Zhang 24 May '23

24 May '23

3snic inclusion category: bugfix bugzilla: https://gitee.com/openeuler/kernel/issues/I77U9U CVE: NA --------------------------- Net: ethernet: 3snic 3s9xx network Kconfig add "select NET_DEVLINK" Signed-off-by: Steven Song <steven.song(a)3snic.com> Signed-off-by: Jialin Zhang <zhangjialin11(a)huawei.com> --- drivers/net/ethernet/3snic/Kconfig | 2 +- drivers/net/ethernet/3snic/sssnic/Kconfig | 2 -- 2 files changed, 1 insertion(+), 3 deletions(-) diff --git a/drivers/net/ethernet/3snic/Kconfig b/drivers/net/ethernet/3snic/Kconfig index 2356f6f46a5c..eb71854198d4 100644 --- a/drivers/net/ethernet/3snic/Kconfig +++ b/drivers/net/ethernet/3snic/Kconfig @@ -5,8 +5,8 @@ config NET_VENDOR_3SNIC bool "3SNIC smart NIC devices" - default y depends on PCI + select NET_DEVLINK help If you have a network (Ethernet) card belonging to this class, say Y. diff --git a/drivers/net/ethernet/3snic/sssnic/Kconfig b/drivers/net/ethernet/3snic/sssnic/Kconfig index c636e57ece94..9a89d62ae5fd 100644 --- a/drivers/net/ethernet/3snic/sssnic/Kconfig +++ b/drivers/net/ethernet/3snic/sssnic/Kconfig @@ -8,7 +8,6 @@ config SSSNIC depends on PCI depends on ARM64 || X86_64 select SSSNIC_HW - default m help This driver supports 3SNIC Ethernet Controller SSSNIC device. For more information about this product, go to the product @@ -22,4 +21,3 @@ config SSSNIC config SSSNIC_HW tristate depends on PCI - default n -- 2.25.1

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[PATCH OLK-5.10] Net: ethernet: 3snic 3s9xx network driver add "select NET_DEVLINK"
by Jialin Zhang 24 May '23

24 May '23

3snic inclusion category: bugfix bugzilla: https://gitee.com/openeuler/kernel/issues/I77U9U CVE: NA --------------------------- Net: ethernet: 3snic 3s9xx network Kconfig add "select NET_DEVLINK" Signed-off-by: Steven Song <steven.song(a)3snic.com> Signed-off-by: Jialin Zhang <zhangjialin11(a)huawei.com> --- drivers/net/ethernet/3snic/Kconfig | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/ethernet/3snic/Kconfig b/drivers/net/ethernet/3snic/Kconfig index 2356f6f46a5c..eb71854198d4 100644 --- a/drivers/net/ethernet/3snic/Kconfig +++ b/drivers/net/ethernet/3snic/Kconfig @@ -5,8 +5,8 @@ config NET_VENDOR_3SNIC bool "3SNIC smart NIC devices" - default y depends on PCI + select NET_DEVLINK help If you have a network (Ethernet) card belonging to this class, say Y. -- 2.25.1

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[PATCH OLK-5.10] Revert "riscv: topology: fix default topology reporting"
by Jialin Zhang 24 May '23

24 May '23

hulk inclusion category: bugfix bugzilla: https://gitee.com/openeuler/kernel/issues/I73HJ0 -------------------------------- This reverts commit 932afc18ba98772fe428505c76160428f93e7bde. Fix build error in riscv64: build failed: riscv, allmodconfig arch/riscv/kernel/smpboot.o: In function `smp_callin': (.text+0x160): undefined reference to `store_cpu_topology' arch/riscv/kernel/smpboot.o: In function `smp_prepare_cpus': (.init.text+0x212): undefined reference to `store_cpu_topology' make: *** [vmlinux] Error 1 Signed-off-by: Jialin Zhang <zhangjialin11(a)huawei.com> --- arch/riscv/Kconfig | 2 +- arch/riscv/kernel/smpboot.c | 4 +--- 2 files changed, 2 insertions(+), 4 deletions(-) diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig index a63d8134a9e5..e52cd2cefe8e 100644 --- a/arch/riscv/Kconfig +++ b/arch/riscv/Kconfig @@ -36,7 +36,7 @@ config RISCV select CLINT_TIMER if !MMU select COMMON_CLK select EDAC_SUPPORT - select GENERIC_ARCH_TOPOLOGY + select GENERIC_ARCH_TOPOLOGY if SMP select GENERIC_ATOMIC64 if !64BIT select GENERIC_CLOCKEVENTS select GENERIC_EARLY_IOREMAP diff --git a/arch/riscv/kernel/smpboot.c b/arch/riscv/kernel/smpboot.c index 0e0aed380e28..0b04e0eae3ab 100644 --- a/arch/riscv/kernel/smpboot.c +++ b/arch/riscv/kernel/smpboot.c @@ -46,8 +46,6 @@ void __init smp_prepare_cpus(unsigned int max_cpus) int cpuid; int ret; - store_cpu_topology(smp_processor_id()); - /* This covers non-smp usecase mandated by "nosmp" option */ if (max_cpus == 0) return; @@ -154,8 +152,8 @@ asmlinkage __visible void smp_callin(void) mmgrab(mm); current->active_mm = mm; - store_cpu_topology(curr_cpuid); notify_cpu_starting(curr_cpuid); + update_siblings_masks(curr_cpuid); set_cpu_online(curr_cpuid, 1); /* -- 2.25.1

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[OLK-5.10 0/8] Add support for HiSilicon UC/H60PA/PAv3 PMU driver
by Junhao He 23 May '23

23 May '23

1. Compared with the PAv2 PMU, the PAv3 PMU has different event IDs and definitions. The version number in the version register is used to distinguish the event IDs and definitions in the driver. 2. The H60PA PMU and PA are two different devices. The H60PA PMU supports higher bandwidth, and the PA PMU delay is relatively low. Different HIDs are used to distinguish the delay. 3. Each cluster is integrated with a unified cache (UC) PMU, which provides consistency between NUMA and UMA domains. It sits between L2 and the memory system. Chen Jun (1): perf: hisi: Extract hisi_pmu_init Junhao He (7): drivers/perf: hisi: Advertise the PERF_PMU_CAP_NO_EXCLUDE capability drivers/perf: hisi: Simplify the parameters of hisi_pmu_init() drivers/perf: hisi: Extract initialization of "cpa_pmu->pmu" drivers/perf: hisi: Remove redundant initialized of pmu->name drivers/perf: hisi: add NULL check for name drivers/perf: hisi: Add support for HiSilicon H60PA and PAv3 PMU driver drivers/perf: hisi: Add support for HiSilicon UC PMU driver drivers/perf/hisilicon/Makefile | 2 +- drivers/perf/hisilicon/hisi_uncore_cpa_pmu.c | 16 +- drivers/perf/hisilicon/hisi_uncore_ddrc_pmu.c | 33 +- drivers/perf/hisilicon/hisi_uncore_hha_pmu.c | 23 +- drivers/perf/hisilicon/hisi_uncore_l3c_pmu.c | 27 +- drivers/perf/hisilicon/hisi_uncore_pa_pmu.c | 156 ++++- drivers/perf/hisilicon/hisi_uncore_pmu.c | 24 +- drivers/perf/hisilicon/hisi_uncore_pmu.h | 43 +- drivers/perf/hisilicon/hisi_uncore_sllc_pmu.c | 15 +- drivers/perf/hisilicon/hisi_uncore_uc_pmu.c | 577 ++++++++++++++++++ 10 files changed, 792 insertions(+), 124 deletions(-) create mode 100644 drivers/perf/hisilicon/hisi_uncore_uc_pmu.c -- 2.30.0

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[PATCH OLK-5.10 0/2] ACC support no-sva feature
by Weili Qian 22 May '23

22 May '23

From: JiangShui Yang <yangjiangshui(a)h-partners.com> Weili Qian (1): crypto: hisilicon/qm - support no-sva feature Kai Ye (1): uacce: add features from kernel not support drivers/crypto/hisilicon/hpre/hpre_main.c | 13 +- drivers/crypto/hisilicon/qm.c | 250 +++++++--- drivers/crypto/hisilicon/sec2/sec.h | 1 - drivers/crypto/hisilicon/sec2/sec_crypto.c | 2 +- drivers/crypto/hisilicon/sec2/sec_main.c | 20 +- drivers/crypto/hisilicon/zip/zip_main.c | 2 +- drivers/misc/uacce/Kconfig | 3 +- drivers/misc/uacce/Makefile | 0 drivers/misc/uacce/uacce.c | 508 ++++++++++++++++++++- include/linux/hisi_acc_qm.h | 7 +- include/linux/uacce.h | 46 +- include/uapi/misc/uacce/hisi_qm.h | 28 +- include/uapi/misc/uacce/uacce.h | 53 ++- 13 files changed, 810 insertions(+), 123 deletions(-) mode change 100644 => 100755 drivers/misc/uacce/Kconfig mode change 100644 => 100755 drivers/misc/uacce/Makefile mode change 100644 => 100755 include/uapi/misc/uacce/hisi_qm.h mode change 100644 => 100755 include/uapi/misc/uacce/uacce.h -- 2.30.0

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[PATCH OLK-5.10 00/11] Patchset related to sendbuf and rmb buffer.
by Litao Jiao 22 May '23

22 May '23

*** BLURB HERE *** 48147 (10): net/smc: add sysctl interface for SMC net/smc: fix compile warning for smc_sysctl net/smc: fix -Wmissing-prototypes warning when CONFIG_SYSCTL not set net/smc: fix a memory leak in smc_sysctl_net_exit() net/smc: Introduce a sysctl for setting SMC-R buffer type net/smc: Use sysctl-specified types of buffers in new link group net/smc: Allow SMC-D 1MB DMB allocations net/smc: Allow virtually contiguous sndbufs or RMBs for SMC-R net/smc: Unbind r/w buffer size from clcsock and make them tunable net/smc: Add size match for smc_buf_get_slot Litao Jiao (1): net/smc: Tune the maximum size of virtually contiguous sndbufs or RMBs for SMC-R Documentation/networking/smc-sysctl.rst | 41 ++++ include/net/net_namespace.h | 5 +- include/net/netns/smc.h | 13 ++ net/smc/Makefile | 1 + net/smc/af_smc.c | 78 ++++++- net/smc/smc_clc.c | 8 +- net/smc/smc_clc.h | 2 +- net/smc/smc_core.c | 265 ++++++++++++++++-------- net/smc/smc_core.h | 17 +- net/smc/smc_ib.c | 15 +- net/smc/smc_llc.c | 26 ++- net/smc/smc_rx.c | 90 ++++++-- net/smc/smc_sysctl.c | 93 +++++++++ net/smc/smc_sysctl.h | 32 +++ net/smc/smc_tx.c | 7 +- 15 files changed, 556 insertions(+), 137 deletions(-) create mode 100644 Documentation/networking/smc-sysctl.rst create mode 100644 include/net/netns/smc.h create mode 100644 net/smc/smc_sysctl.c create mode 100644 net/smc/smc_sysctl.h -- 2.33.0

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[PATCH openEuler-22.03-LTS-SP1 1/2] xfs: verify buffer contents when we skip log replay
by Jialin Zhang 22 May '23

22 May '23

From: "Darrick J. Wong" <djwong(a)kernel.org> mainline inclusion from mainline-v6.3-rc6 commit 22ed903eee23a5b174e240f1cdfa9acf393a5210 category: bugfix bugzilla: https://gitee.com/src-openeuler/kernel/issues/I6X4UN CVE: CVE-2023-2124 Reference: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?… -------------------------------- syzbot detected a crash during log recovery: XFS (loop0): Mounting V5 Filesystem bfdc47fc-10d8-4eed-a562-11a831b3f791 XFS (loop0): Torn write (CRC failure) detected at log block 0x180. Truncating head block from 0x200. XFS (loop0): Starting recovery (logdev: internal) ================================================================== BUG: KASAN: slab-out-of-bounds in xfs_btree_lookup_get_block+0x15c/0x6d0 fs/xfs/libxfs/xfs_btree.c:1813 Read of size 8 at addr ffff88807e89f258 by task syz-executor132/5074 CPU: 0 PID: 5074 Comm: syz-executor132 Not tainted 6.2.0-rc1-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 Call Trace: <TASK> __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x1b1/0x290 lib/dump_stack.c:106 print_address_description+0x74/0x340 mm/kasan/report.c:306 print_report+0x107/0x1f0 mm/kasan/report.c:417 kasan_report+0xcd/0x100 mm/kasan/report.c:517 xfs_btree_lookup_get_block+0x15c/0x6d0 fs/xfs/libxfs/xfs_btree.c:1813 xfs_btree_lookup+0x346/0x12c0 fs/xfs/libxfs/xfs_btree.c:1913 xfs_btree_simple_query_range+0xde/0x6a0 fs/xfs/libxfs/xfs_btree.c:4713 xfs_btree_query_range+0x2db/0x380 fs/xfs/libxfs/xfs_btree.c:4953 xfs_refcount_recover_cow_leftovers+0x2d1/0xa60 fs/xfs/libxfs/xfs_refcount.c:1946 xfs_reflink_recover_cow+0xab/0x1b0 fs/xfs/xfs_reflink.c:930 xlog_recover_finish+0x824/0x920 fs/xfs/xfs_log_recover.c:3493 xfs_log_mount_finish+0x1ec/0x3d0 fs/xfs/xfs_log.c:829 xfs_mountfs+0x146a/0x1ef0 fs/xfs/xfs_mount.c:933 xfs_fs_fill_super+0xf95/0x11f0 fs/xfs/xfs_super.c:1666 get_tree_bdev+0x400/0x620 fs/super.c:1282 vfs_get_tree+0x88/0x270 fs/super.c:1489 do_new_mount+0x289/0xad0 fs/namespace.c:3145 do_mount fs/namespace.c:3488 [inline] __do_sys_mount fs/namespace.c:3697 [inline] __se_sys_mount+0x2d3/0x3c0 fs/namespace.c:3674 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f89fa3f4aca Code: 83 c4 08 5b 5d c3 66 2e 0f 1f 84 00 00 00 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fffd5fb5ef8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00646975756f6e2c RCX: 00007f89fa3f4aca RDX: 0000000020000100 RSI: 0000000020009640 RDI: 00007fffd5fb5f10 RBP: 00007fffd5fb5f10 R08: 00007fffd5fb5f50 R09: 000000000000970d R10: 0000000000200800 R11: 0000000000000206 R12: 0000000000000004 R13: 0000555556c6b2c0 R14: 0000000000200800 R15: 00007fffd5fb5f50 </TASK> The fuzzed image contains an AGF with an obviously garbage agf_refcount_level value of 32, and a dirty log with a buffer log item for that AGF. The ondisk AGF has a higher LSN than the recovered log item. xlog_recover_buf_commit_pass2 reads the buffer, compares the LSNs, and decides to skip replay because the ondisk buffer appears to be newer. Unfortunately, the ondisk buffer is corrupt, but recovery just read the buffer with no buffer ops specified: error = xfs_buf_read(mp->m_ddev_targp, buf_f->blf_blkno, buf_f->blf_len, buf_flags, &bp, NULL); Skipping the buffer leaves its contents in memory unverified. This sets us up for a kernel crash because xfs_refcount_recover_cow_leftovers reads the buffer (which is still around in XBF_DONE state, so no read verification) and creates a refcountbt cursor of height 32. This is impossible so we run off the end of the cursor object and crash. Fix this by invoking the verifier on all skipped buffers and aborting log recovery if the ondisk buffer is corrupt. It might be smarter to force replay the log item atop the buffer and then see if it'll pass the write verifier (like ext4 does) but for now let's go with the conservative option where we stop immediately. Link: https://syzkaller.appspot.com/bug?extid=7e9494b8b399902e994e Signed-off-by: Darrick J. Wong <djwong(a)kernel.org> Reviewed-by: Dave Chinner <dchinner(a)redhat.com> Signed-off-by: Dave Chinner <david(a)fromorbit.com> Signed-off-by: Long Li <leo.lilong(a)huawei.com> Reviewed-by: Zhang Yi <yi.zhang(a)huawei.com> Reviewed-by: Xiu Jianfeng <xiujianfeng(a)huawei.com> Signed-off-by: Jialin Zhang <zhangjialin11(a)huawei.com> --- fs/xfs/xfs_buf_item_recover.c | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/fs/xfs/xfs_buf_item_recover.c b/fs/xfs/xfs_buf_item_recover.c index 4b2ad8dce690..d892125eb022 100644 --- a/fs/xfs/xfs_buf_item_recover.c +++ b/fs/xfs/xfs_buf_item_recover.c @@ -943,6 +943,16 @@ xlog_recover_buf_commit_pass2( if (lsn && lsn != -1 && XFS_LSN_CMP(lsn, current_lsn) >= 0) { trace_xfs_log_recover_buf_skip(log, buf_f); xlog_recover_validate_buf_type(mp, bp, buf_f, NULLCOMMITLSN); + + /* + * We're skipping replay of this buffer log item due to the log + * item LSN being behind the ondisk buffer. Verify the buffer + * contents since we aren't going to run the write verifier. + */ + if (bp->b_ops) { + bp->b_ops->verify_read(bp); + error = bp->b_error; + } goto out_release; } -- 2.25.1

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[PATCH openEuler-22.03-LTS 1/2] xfs: verify buffer contents when we skip log replay
by Jialin Zhang 22 May '23

22 May '23

From: "Darrick J. Wong" <djwong(a)kernel.org> mainline inclusion from mainline-v6.3-rc6 commit 22ed903eee23a5b174e240f1cdfa9acf393a5210 category: bugfix bugzilla: https://gitee.com/src-openeuler/kernel/issues/I6X4UN CVE: CVE-2023-2124 Reference: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?… -------------------------------- syzbot detected a crash during log recovery: XFS (loop0): Mounting V5 Filesystem bfdc47fc-10d8-4eed-a562-11a831b3f791 XFS (loop0): Torn write (CRC failure) detected at log block 0x180. Truncating head block from 0x200. XFS (loop0): Starting recovery (logdev: internal) ================================================================== BUG: KASAN: slab-out-of-bounds in xfs_btree_lookup_get_block+0x15c/0x6d0 fs/xfs/libxfs/xfs_btree.c:1813 Read of size 8 at addr ffff88807e89f258 by task syz-executor132/5074 CPU: 0 PID: 5074 Comm: syz-executor132 Not tainted 6.2.0-rc1-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 Call Trace: <TASK> __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x1b1/0x290 lib/dump_stack.c:106 print_address_description+0x74/0x340 mm/kasan/report.c:306 print_report+0x107/0x1f0 mm/kasan/report.c:417 kasan_report+0xcd/0x100 mm/kasan/report.c:517 xfs_btree_lookup_get_block+0x15c/0x6d0 fs/xfs/libxfs/xfs_btree.c:1813 xfs_btree_lookup+0x346/0x12c0 fs/xfs/libxfs/xfs_btree.c:1913 xfs_btree_simple_query_range+0xde/0x6a0 fs/xfs/libxfs/xfs_btree.c:4713 xfs_btree_query_range+0x2db/0x380 fs/xfs/libxfs/xfs_btree.c:4953 xfs_refcount_recover_cow_leftovers+0x2d1/0xa60 fs/xfs/libxfs/xfs_refcount.c:1946 xfs_reflink_recover_cow+0xab/0x1b0 fs/xfs/xfs_reflink.c:930 xlog_recover_finish+0x824/0x920 fs/xfs/xfs_log_recover.c:3493 xfs_log_mount_finish+0x1ec/0x3d0 fs/xfs/xfs_log.c:829 xfs_mountfs+0x146a/0x1ef0 fs/xfs/xfs_mount.c:933 xfs_fs_fill_super+0xf95/0x11f0 fs/xfs/xfs_super.c:1666 get_tree_bdev+0x400/0x620 fs/super.c:1282 vfs_get_tree+0x88/0x270 fs/super.c:1489 do_new_mount+0x289/0xad0 fs/namespace.c:3145 do_mount fs/namespace.c:3488 [inline] __do_sys_mount fs/namespace.c:3697 [inline] __se_sys_mount+0x2d3/0x3c0 fs/namespace.c:3674 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f89fa3f4aca Code: 83 c4 08 5b 5d c3 66 2e 0f 1f 84 00 00 00 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fffd5fb5ef8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00646975756f6e2c RCX: 00007f89fa3f4aca RDX: 0000000020000100 RSI: 0000000020009640 RDI: 00007fffd5fb5f10 RBP: 00007fffd5fb5f10 R08: 00007fffd5fb5f50 R09: 000000000000970d R10: 0000000000200800 R11: 0000000000000206 R12: 0000000000000004 R13: 0000555556c6b2c0 R14: 0000000000200800 R15: 00007fffd5fb5f50 </TASK> The fuzzed image contains an AGF with an obviously garbage agf_refcount_level value of 32, and a dirty log with a buffer log item for that AGF. The ondisk AGF has a higher LSN than the recovered log item. xlog_recover_buf_commit_pass2 reads the buffer, compares the LSNs, and decides to skip replay because the ondisk buffer appears to be newer. Unfortunately, the ondisk buffer is corrupt, but recovery just read the buffer with no buffer ops specified: error = xfs_buf_read(mp->m_ddev_targp, buf_f->blf_blkno, buf_f->blf_len, buf_flags, &bp, NULL); Skipping the buffer leaves its contents in memory unverified. This sets us up for a kernel crash because xfs_refcount_recover_cow_leftovers reads the buffer (which is still around in XBF_DONE state, so no read verification) and creates a refcountbt cursor of height 32. This is impossible so we run off the end of the cursor object and crash. Fix this by invoking the verifier on all skipped buffers and aborting log recovery if the ondisk buffer is corrupt. It might be smarter to force replay the log item atop the buffer and then see if it'll pass the write verifier (like ext4 does) but for now let's go with the conservative option where we stop immediately. Link: https://syzkaller.appspot.com/bug?extid=7e9494b8b399902e994e Signed-off-by: Darrick J. Wong <djwong(a)kernel.org> Reviewed-by: Dave Chinner <dchinner(a)redhat.com> Signed-off-by: Dave Chinner <david(a)fromorbit.com> Signed-off-by: Long Li <leo.lilong(a)huawei.com> Reviewed-by: Zhang Yi <yi.zhang(a)huawei.com> Reviewed-by: Xiu Jianfeng <xiujianfeng(a)huawei.com> Signed-off-by: Jialin Zhang <zhangjialin11(a)huawei.com> --- fs/xfs/xfs_buf_item_recover.c | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/fs/xfs/xfs_buf_item_recover.c b/fs/xfs/xfs_buf_item_recover.c index 4b2ad8dce690..d892125eb022 100644 --- a/fs/xfs/xfs_buf_item_recover.c +++ b/fs/xfs/xfs_buf_item_recover.c @@ -943,6 +943,16 @@ xlog_recover_buf_commit_pass2( if (lsn && lsn != -1 && XFS_LSN_CMP(lsn, current_lsn) >= 0) { trace_xfs_log_recover_buf_skip(log, buf_f); xlog_recover_validate_buf_type(mp, bp, buf_f, NULLCOMMITLSN); + + /* + * We're skipping replay of this buffer log item due to the log + * item LSN being behind the ondisk buffer. Verify the buffer + * contents since we aren't going to run the write verifier. + */ + if (bp->b_ops) { + bp->b_ops->verify_read(bp); + error = bp->b_error; + } goto out_release; } -- 2.25.1

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[PATCH OLK-5.10 1/3] iommu/arm-smmu-v3: Fix ECMDQs is not initialized correctly
by Jialin Zhang 22 May '23

22 May '23

From: Zhen Lei <thunder.leizhen(a)huawei.com> hulk inclusion category: bugfix bugzilla: https://gitee.com/openeuler/kernel/issues/I6WAZX -------------------------------- When the number of cores is greater than the number of ECMDQs, the number of ECMDQs occupied by each NUMA node is less than the number of cores of the node. Therefore, the first smmu->nr_ecmdq cores do not cover all ECMDQs. For example: --------------------------------------- | Node0 | Node1 | |---------------------------------------| | 0 1 2 3 | 4 5 6 7 | CPU ID |---------------------------------------| | 0 1 | 2 3 | ECMDQ ID --------------------------------------- Fixes: 3965519baff5 ("iommu/arm-smmu-v3: Add support for less than one ECMDQ per core") Signed-off-by: Zhen Lei <thunder.leizhen(a)huawei.com> Reviewed-by: Xie XiuQi <xiexiuqi(a)huawei.com> Signed-off-by: Jialin Zhang <zhangjialin11(a)huawei.com> --- drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c | 114 ++++++++++++-------- drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.h | 3 +- 2 files changed, 73 insertions(+), 44 deletions(-) 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 be8cc53659f8..1ee14a59a3d6 100644 --- a/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c +++ b/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c @@ -386,7 +386,7 @@ static struct arm_smmu_cmdq *arm_smmu_get_cmdq(struct arm_smmu_device *smmu) if (smmu->ecmdq_enabled) { struct arm_smmu_ecmdq *ecmdq; - ecmdq = *this_cpu_ptr(smmu->ecmdq); + ecmdq = *this_cpu_ptr(smmu->ecmdqs); return &ecmdq->cmdq; } @@ -485,7 +485,7 @@ static void arm_smmu_ecmdq_skip_err(struct arm_smmu_device *smmu) for (i = 0; i < smmu->nr_ecmdq; i++) { unsigned long flags; - ecmdq = *per_cpu_ptr(smmu->ecmdq, i); + ecmdq = *per_cpu_ptr(smmu->ecmdqs, i); q = &ecmdq->cmdq.q; prod = readl_relaxed(q->prod_reg); @@ -4549,9 +4549,50 @@ static int arm_smmu_device_disable(struct arm_smmu_device *smmu) return ret; } +static int arm_smmu_ecmdq_reset(struct arm_smmu_device *smmu) +{ + int i, cpu, ret = 0; + u32 reg; + + if (!smmu->nr_ecmdq) + return 0; + + i = 0; + for_each_possible_cpu(cpu) { + struct arm_smmu_ecmdq *ecmdq; + struct arm_smmu_queue *q; + + ecmdq = *per_cpu_ptr(smmu->ecmdqs, cpu); + if (ecmdq != per_cpu_ptr(smmu->ecmdq, cpu)) + continue; + + q = &ecmdq->cmdq.q; + i++; + + if (WARN_ON(q->llq.prod != q->llq.cons)) { + q->llq.prod = 0; + q->llq.cons = 0; + } + writeq_relaxed(q->q_base, ecmdq->base + ARM_SMMU_ECMDQ_BASE); + writel_relaxed(q->llq.prod, ecmdq->base + ARM_SMMU_ECMDQ_PROD); + writel_relaxed(q->llq.cons, ecmdq->base + ARM_SMMU_ECMDQ_CONS); + + /* enable ecmdq */ + writel(ECMDQ_PROD_EN | q->llq.prod, q->prod_reg); + ret = readl_relaxed_poll_timeout(q->cons_reg, reg, reg & ECMDQ_CONS_ENACK, + 1, ARM_SMMU_POLL_TIMEOUT_US); + if (ret) { + dev_err(smmu->dev, "ecmdq[%d] enable failed\n", i); + smmu->ecmdq_enabled = 0; + break; + } + } + + return ret; +} + static int arm_smmu_device_reset(struct arm_smmu_device *smmu, bool resume) { - int i; int ret; u32 reg, enables; struct arm_smmu_cmdq_ent cmd; @@ -4599,31 +4640,7 @@ static int arm_smmu_device_reset(struct arm_smmu_device *smmu, bool resume) writel_relaxed(smmu->cmdq.q.llq.prod, smmu->base + ARM_SMMU_CMDQ_PROD); writel_relaxed(smmu->cmdq.q.llq.cons, smmu->base + ARM_SMMU_CMDQ_CONS); - for (i = 0; i < smmu->nr_ecmdq; i++) { - struct arm_smmu_ecmdq *ecmdq; - struct arm_smmu_queue *q; - - ecmdq = *per_cpu_ptr(smmu->ecmdq, i); - q = &ecmdq->cmdq.q; - - if (WARN_ON(q->llq.prod != q->llq.cons)) { - q->llq.prod = 0; - q->llq.cons = 0; - } - writeq_relaxed(q->q_base, ecmdq->base + ARM_SMMU_ECMDQ_BASE); - writel_relaxed(q->llq.prod, ecmdq->base + ARM_SMMU_ECMDQ_PROD); - writel_relaxed(q->llq.cons, ecmdq->base + ARM_SMMU_ECMDQ_CONS); - - /* enable ecmdq */ - writel(ECMDQ_PROD_EN | q->llq.prod, q->prod_reg); - ret = readl_relaxed_poll_timeout(q->cons_reg, reg, reg & ECMDQ_CONS_ENACK, - 1, ARM_SMMU_POLL_TIMEOUT_US); - if (ret) { - dev_err(smmu->dev, "ecmdq[%d] enable failed\n", i); - smmu->ecmdq_enabled = 0; - break; - } - } + arm_smmu_ecmdq_reset(smmu); enables = CR0_CMDQEN; ret = arm_smmu_write_reg_sync(smmu, enables, ARM_SMMU_CR0, @@ -4723,10 +4740,11 @@ static int arm_smmu_ecmdq_layout(struct arm_smmu_device *smmu) ecmdq = devm_alloc_percpu(smmu->dev, *ecmdq); if (!ecmdq) return -ENOMEM; + smmu->ecmdq = ecmdq; if (num_possible_cpus() <= smmu->nr_ecmdq) { for_each_possible_cpu(cpu) - *per_cpu_ptr(smmu->ecmdq, cpu) = per_cpu_ptr(ecmdq, cpu); + *per_cpu_ptr(smmu->ecmdqs, cpu) = per_cpu_ptr(ecmdq, cpu); /* A core requires at most one ECMDQ */ smmu->nr_ecmdq = num_possible_cpus(); @@ -4763,7 +4781,16 @@ static int arm_smmu_ecmdq_layout(struct arm_smmu_device *smmu) * may be left due to truncation rounding. */ nr_ecmdqs[node] = nr_cpus_node(node) * nr_remain / num_possible_cpus(); + } + + for_each_node(node) { + if (!nr_cpus_node(node)) + continue; + nr_remain -= nr_ecmdqs[node]; + + /* An ECMDQ has been reserved for each node at above [1] */ + nr_ecmdqs[node]++; } /* Divide the remaining ECMDQs */ @@ -4781,25 +4808,23 @@ static int arm_smmu_ecmdq_layout(struct arm_smmu_device *smmu) } for_each_node(node) { - int i, round, shared = 0; + int i, round, shared; if (!nr_cpus_node(node)) continue; - /* An ECMDQ has been reserved for each node at above [1] */ - nr_ecmdqs[node]++; - + shared = 0; if (nr_ecmdqs[node] < nr_cpus_node(node)) shared = 1; i = 0; for_each_cpu(cpu, cpumask_of_node(node)) { round = i % nr_ecmdqs[node]; - if (i++ < nr_ecmdqs[node]) { + if (i++ < nr_ecmdqs[node]) ecmdqs[round] = per_cpu_ptr(ecmdq, cpu); + else ecmdqs[round]->cmdq.shared = shared; - } - *per_cpu_ptr(smmu->ecmdq, cpu) = ecmdqs[round]; + *per_cpu_ptr(smmu->ecmdqs, cpu) = ecmdqs[round]; } } @@ -4823,6 +4848,8 @@ static int arm_smmu_ecmdq_probe(struct arm_smmu_device *smmu) numq = 1 << FIELD_GET(IDR6_LOG2NUMQ, reg); smmu->nr_ecmdq = nump * numq; gap = ECMDQ_CP_RRESET_SIZE >> FIELD_GET(IDR6_LOG2NUMQ, reg); + if (!smmu->nr_ecmdq) + return -EOPNOTSUPP; smmu_dma_base = (vmalloc_to_pfn(smmu->base) << PAGE_SHIFT); cp_regs = ioremap(smmu_dma_base + ARM_SMMU_ECMDQ_CP_BASE, PAGE_SIZE); @@ -4855,8 +4882,8 @@ static int arm_smmu_ecmdq_probe(struct arm_smmu_device *smmu) if (!cp_base) return -ENOMEM; - smmu->ecmdq = devm_alloc_percpu(smmu->dev, struct arm_smmu_ecmdq *); - if (!smmu->ecmdq) + smmu->ecmdqs = devm_alloc_percpu(smmu->dev, struct arm_smmu_ecmdq *); + if (!smmu->ecmdqs) return -ENOMEM; ret = arm_smmu_ecmdq_layout(smmu); @@ -4870,7 +4897,7 @@ static int arm_smmu_ecmdq_probe(struct arm_smmu_device *smmu) struct arm_smmu_ecmdq *ecmdq; struct arm_smmu_queue *q; - ecmdq = *per_cpu_ptr(smmu->ecmdq, cpu); + ecmdq = *per_cpu_ptr(smmu->ecmdqs, cpu); q = &ecmdq->cmdq.q; /* @@ -4878,10 +4905,11 @@ static int arm_smmu_ecmdq_probe(struct arm_smmu_device *smmu) * CPUs. The CPUs that are not selected are not showed in * cpumask_of_node(node), their 'ecmdq' may be NULL. * - * (q->ecmdq_prod & ECMDQ_PROD_EN) indicates that the ECMDQ is - * shared by multiple cores and has been initialized. + * (ecmdq != per_cpu_ptr(smmu->ecmdq, cpu)) indicates that the + * ECMDQ is shared by multiple cores and should be initialized + * only by the first owner. */ - if (!ecmdq || (q->ecmdq_prod & ECMDQ_PROD_EN)) + if (!ecmdq || (ecmdq != per_cpu_ptr(smmu->ecmdq, cpu))) continue; ecmdq->base = cp_base + addr; @@ -5324,7 +5352,7 @@ static int arm_smmu_ecmdq_disable(struct device *dev) struct arm_smmu_device *smmu = dev_get_drvdata(dev); for (i = 0; i < smmu->nr_ecmdq; i++) { - ecmdq = *per_cpu_ptr(smmu->ecmdq, i); + ecmdq = *per_cpu_ptr(smmu->ecmdqs, i); q = &ecmdq->cmdq.q; prod = readl_relaxed(q->prod_reg); diff --git a/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.h b/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.h index f680cd6dd3bd..919473d2217b 100644 --- a/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.h +++ b/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.h @@ -718,7 +718,8 @@ struct arm_smmu_device { u32 nr_ecmdq; u32 ecmdq_enabled; }; - struct arm_smmu_ecmdq *__percpu *ecmdq; + struct arm_smmu_ecmdq *__percpu *ecmdqs; + struct arm_smmu_ecmdq __percpu *ecmdq; struct arm_smmu_cmdq cmdq; struct arm_smmu_evtq evtq; -- 2.25.1

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[PATCH openEuler-1.0-LTS] netfilter: nf_tables: deactivate anonymous set from preparation phase
by Yongqiang Liu 22 May '23

22 May '23

From: Pablo Neira Ayuso <pablo(a)netfilter.org> stable inclusion from stable-v4.19.283 commit c6989314fd809c5eaf4980d6fa474f19fc653d6c category: bugfix bugzilla: https://gitee.com/src-openeuler/kernel/issues/I71F49 CVE: CVE-2023-32233 Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id… -------------------------------- commit c1592a89942e9678f7d9c8030efa777c0d57edab upstream. Toggle deleted anonymous sets as inactive in the next generation, so users cannot perform any update on it. Clear the generation bitmask in case the transaction is aborted. The following KASAN splat shows a set element deletion for a bound anonymous set that has been already removed in the same transaction. [ 64.921510] ================================================================== [ 64.923123] BUG: KASAN: wild-memory-access in nf_tables_commit+0xa24/0x1490 [nf_tables] [ 64.924745] Write of size 8 at addr dead000000000122 by task test/890 [ 64.927903] CPU: 3 PID: 890 Comm: test Not tainted 6.3.0+ #253 [ 64.931120] Call Trace: [ 64.932699] <TASK> [ 64.934292] dump_stack_lvl+0x33/0x50 [ 64.935908] ? nf_tables_commit+0xa24/0x1490 [nf_tables] [ 64.937551] kasan_report+0xda/0x120 [ 64.939186] ? nf_tables_commit+0xa24/0x1490 [nf_tables] [ 64.940814] nf_tables_commit+0xa24/0x1490 [nf_tables] [ 64.942452] ? __kasan_slab_alloc+0x2d/0x60 [ 64.944070] ? nf_tables_setelem_notify+0x190/0x190 [nf_tables] [ 64.945710] ? kasan_set_track+0x21/0x30 [ 64.947323] nfnetlink_rcv_batch+0x709/0xd90 [nfnetlink] [ 64.948898] ? nfnetlink_rcv_msg+0x480/0x480 [nfnetlink] Signed-off-by: Pablo Neira Ayuso <pablo(a)netfilter.org> Signed-off-by: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> Signed-off-by: Lu Wei <luwei32(a)huawei.com> Reviewed-by: Yue Haibing <yuehaibing(a)huawei.com> Reviewed-by: Xiu Jianfeng <xiujianfeng(a)huawei.com> Signed-off-by: Yongqiang Liu <liuyongqiang13(a)huawei.com> --- include/net/netfilter/nf_tables.h | 1 + net/netfilter/nf_tables_api.c | 12 ++++++++++++ net/netfilter/nft_dynset.c | 2 +- net/netfilter/nft_lookup.c | 2 +- net/netfilter/nft_objref.c | 2 +- 5 files changed, 16 insertions(+), 3 deletions(-) diff --git a/include/net/netfilter/nf_tables.h b/include/net/netfilter/nf_tables.h index 93253ba1eeac..78f5f0426e6b 100644 --- a/include/net/netfilter/nf_tables.h +++ b/include/net/netfilter/nf_tables.h @@ -471,6 +471,7 @@ struct nft_set_binding { }; enum nft_trans_phase; +void nf_tables_activate_set(const struct nft_ctx *ctx, struct nft_set *set); void nf_tables_deactivate_set(const struct nft_ctx *ctx, struct nft_set *set, struct nft_set_binding *binding, enum nft_trans_phase phase); diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c index 56678603fc17..f76558e03b24 100644 --- a/net/netfilter/nf_tables_api.c +++ b/net/netfilter/nf_tables_api.c @@ -3760,12 +3760,24 @@ void nf_tables_unbind_set(const struct nft_ctx *ctx, struct nft_set *set, } EXPORT_SYMBOL_GPL(nf_tables_unbind_set); +void nf_tables_activate_set(const struct nft_ctx *ctx, struct nft_set *set) +{ + if (nft_set_is_anonymous(set)) + nft_clear(ctx->net, set); + + set->use++; +} +EXPORT_SYMBOL_GPL(nf_tables_activate_set); + void nf_tables_deactivate_set(const struct nft_ctx *ctx, struct nft_set *set, struct nft_set_binding *binding, enum nft_trans_phase phase) { switch (phase) { case NFT_TRANS_PREPARE: + if (nft_set_is_anonymous(set)) + nft_deactivate_next(ctx->net, set); + set->use--; return; case NFT_TRANS_ABORT: diff --git a/net/netfilter/nft_dynset.c b/net/netfilter/nft_dynset.c index cc076d535e14..ea73130427eb 100644 --- a/net/netfilter/nft_dynset.c +++ b/net/netfilter/nft_dynset.c @@ -248,7 +248,7 @@ static void nft_dynset_activate(const struct nft_ctx *ctx, { struct nft_dynset *priv = nft_expr_priv(expr); - priv->set->use++; + nf_tables_activate_set(ctx, priv->set); } static void nft_dynset_destroy(const struct nft_ctx *ctx, diff --git a/net/netfilter/nft_lookup.c b/net/netfilter/nft_lookup.c index 55754d9939b5..cb9e937a5ce0 100644 --- a/net/netfilter/nft_lookup.c +++ b/net/netfilter/nft_lookup.c @@ -132,7 +132,7 @@ static void nft_lookup_activate(const struct nft_ctx *ctx, { struct nft_lookup *priv = nft_expr_priv(expr); - priv->set->use++; + nf_tables_activate_set(ctx, priv->set); } static void nft_lookup_destroy(const struct nft_ctx *ctx, diff --git a/net/netfilter/nft_objref.c b/net/netfilter/nft_objref.c index bf92a40dd1b2..eff2173db7e4 100644 --- a/net/netfilter/nft_objref.c +++ b/net/netfilter/nft_objref.c @@ -182,7 +182,7 @@ static void nft_objref_map_activate(const struct nft_ctx *ctx, { struct nft_objref_map *priv = nft_expr_priv(expr); - priv->set->use++; + nf_tables_activate_set(ctx, priv->set); } static void nft_objref_map_destroy(const struct nft_ctx *ctx, -- 2.25.1

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