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| ID | Workflow | Result | Correct | Bug | Created | Started | Finished | Revision | Error |
|---|---|---|---|---|---|---|---|---|---|
| a38b48d7-7dd9-4e07-8884-86e568fd9ae1 | assessment-kcsan | Benign: ✅ Confident: ✅ | ❓ | KCSAN: data-race in __d_instantiate / path_openat (2) | 2026/01/14 18:43 | 2026/01/14 18:43 | 2026/01/14 19:07 | a9d6a79219801d2130df3b1a792c57f0e5428e9f |
================================================================== BUG: KCSAN: data-race in __d_instantiate / path_openat write to 0xffff888106133870 of 8 bytes by task 15722 on cpu 1: __d_set_inode_and_type fs/dcache.c:407 [inline] __d_instantiate+0x1db/0x390 fs/dcache.c:1975 d_make_persistent+0x78/0x110 fs/dcache.c:2793 shmem_mknod+0x15f/0x170 mm/shmem.c:3892 shmem_create+0x34/0x50 mm/shmem.c:3943 lookup_open fs/namei.c:4440 [inline] open_last_lookups fs/namei.c:4540 [inline] path_openat+0x1115/0x23b0 fs/namei.c:4784 do_filp_open+0x109/0x230 fs/namei.c:4814 do_sys_openat2+0xa6/0x150 fs/open.c:1430 do_sys_open fs/open.c:1436 [inline] __do_sys_open fs/open.c:1444 [inline] __se_sys_open fs/open.c:1440 [inline] __x64_sys_open+0xe6/0x110 fs/open.c:1440 x64_sys_call+0x166f/0x3000 arch/x86/include/generated/asm/syscalls_64.h:3 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xd8/0x2a0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f read to 0xffff888106133870 of 8 bytes by task 15723 on cpu 0: lookup_fast_for_open fs/namei.c:4483 [inline] open_last_lookups fs/namei.c:4511 [inline] path_openat+0x443/0x23b0 fs/namei.c:4784 do_filp_open+0x109/0x230 fs/namei.c:4814 do_sys_openat2+0xa6/0x150 fs/open.c:1430 do_sys_open fs/open.c:1436 [inline] __do_sys_open fs/open.c:1444 [inline] __se_sys_open fs/open.c:1440 [inline] __x64_sys_open+0xe6/0x110 fs/open.c:1440 x64_sys_call+0x166f/0x3000 arch/x86/include/generated/asm/syscalls_64.h:3 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xd8/0x2a0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f value changed: 0x0000000000000000 -> 0xffff88811e5897c0 Reported by Kernel Concurrency Sanitizer on: CPU: 0 UID: 0 PID: 15723 Comm: syz.7.2908 Tainted: G W syzkaller #0 PREEMPT(voluntary) Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 ==================================================================
| Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2025/12/12 09:23 | upstream | d358e5254674 | d6526ea3 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-kcsan-gce | KCSAN: data-race in __d_instantiate / path_openat | ||
| 2025/11/01 01:40 | upstream | 58fdd8484c05 | 2c50b6a9 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-kcsan-gce | KCSAN: data-race in __d_instantiate / path_openat |