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================================================================== BUG: KCSAN: data-race in d_alloc_parallel / d_set_d_op read-write to 0xffff888100457780 of 4 bytes by task 24782 on cpu 1: d_set_d_op+0xfb/0x1f0 fs/dcache.c:1792 proc_pident_instantiate+0x164/0x180 fs/proc/base.c:2651 proc_pident_lookup+0x112/0x180 fs/proc/base.c:2674 proc_tgid_base_lookup+0x2b/0x40 fs/proc/base.c:3386 __lookup_slow+0x184/0x250 fs/namei.c:1692 lookup_slow+0x3c/0x60 fs/namei.c:1709 walk_component fs/namei.c:2004 [inline] link_path_walk+0x621/0x810 fs/namei.c:2331 path_openat+0x1a1/0x1d80 fs/namei.c:3795 do_filp_open+0xf7/0x200 fs/namei.c:3826 do_sys_openat2+0xab/0x120 fs/open.c:1406 do_sys_open fs/open.c:1421 [inline] __do_sys_openat fs/open.c:1437 [inline] __se_sys_openat fs/open.c:1432 [inline] __x64_sys_openat+0xf3/0x120 fs/open.c:1432 x64_sys_call+0x2cad/0x2d30 arch/x86/include/generated/asm/syscalls_64.h:258 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x1d0 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f read to 0xffff888100457780 of 4 bytes by task 24780 on cpu 0: d_in_lookup include/linux/dcache.h:371 [inline] d_wait_lookup fs/dcache.c:2443 [inline] d_alloc_parallel+0x5ff/0xc70 fs/dcache.c:2531 __lookup_slow+0x8d/0x250 fs/namei.c:1677 lookup_slow+0x3c/0x60 fs/namei.c:1709 walk_component fs/namei.c:2004 [inline] link_path_walk+0x621/0x810 fs/namei.c:2331 path_openat+0x1a1/0x1d80 fs/namei.c:3795 do_filp_open+0xf7/0x200 fs/namei.c:3826 do_sys_openat2+0xab/0x120 fs/open.c:1406 do_sys_open fs/open.c:1421 [inline] __do_sys_openat fs/open.c:1437 [inline] __se_sys_openat fs/open.c:1432 [inline] __x64_sys_openat+0xf3/0x120 fs/open.c:1432 x64_sys_call+0x2cad/0x2d30 arch/x86/include/generated/asm/syscalls_64.h:258 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x1d0 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f value changed: 0x10000000 -> 0x1000000c Reported by Kernel Concurrency Sanitizer on: CPU: 0 PID: 24780 Comm: syz-executor.1 Tainted: G W 6.9.0-rc6-syzkaller-00131-gf03359bca01b #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 ==================================================================
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2024/05/03 15:39 | upstream | f03359bca01b | dd26401e | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-kcsan-gce | KCSAN: data-race in d_alloc_parallel / d_set_d_op | ||
2024/04/16 07:04 | upstream | 96fca68c4fbf | 0d592ce4 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-kcsan-gce | KCSAN: data-race in d_alloc_parallel / d_set_d_op | ||
2024/04/14 12:12 | upstream | 7efd0a74039f | c8349e48 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-kcsan-gce | KCSAN: data-race in d_alloc_parallel / d_set_d_op | ||
2024/04/05 06:24 | upstream | c88b9b4cde17 | 0ee3535e | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-kcsan-gce | KCSAN: data-race in d_alloc_parallel / d_set_d_op | ||
2024/03/25 20:47 | upstream | 4cece7649650 | 0ea90952 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-kcsan-gce | KCSAN: data-race in d_alloc_parallel / d_set_d_op | ||
2024/03/25 08:05 | upstream | 5e74df2f8f15 | 0ea90952 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-kcsan-gce | KCSAN: data-race in d_alloc_parallel / d_set_d_op | ||
2024/03/11 15:49 | upstream | e8f897f4afef | 6ee49f2e | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-kcsan-gce | KCSAN: data-race in d_alloc_parallel / d_set_d_op | ||
2024/03/02 19:08 | upstream | 5ad3cb0ed525 | 25905f5d | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-kcsan-gce | KCSAN: data-race in d_alloc_parallel / d_set_d_op | ||
2024/02/29 02:23 | upstream | e326df53af00 | 352ab904 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-kcsan-gce | KCSAN: data-race in d_alloc_parallel / d_set_d_op | ||
2024/02/18 11:11 | upstream | c02197fc9076 | 578f7538 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-kcsan-gce | KCSAN: data-race in d_alloc_parallel / d_set_d_op | ||
2024/02/18 04:34 | upstream | ced590523156 | 578f7538 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-kcsan-gce | KCSAN: data-race in d_alloc_parallel / d_set_d_op | ||
2024/02/13 21:20 | upstream | c664e16bb1ba | e66542d7 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-kcsan-gce | KCSAN: data-race in d_alloc_parallel / d_set_d_op | ||
2024/02/01 22:33 | upstream | 5c24e4e9e708 | 81024119 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-kcsan-gce | KCSAN: data-race in d_alloc_parallel / d_set_d_op |