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🐞 Open [991] 🐞 Fixed [3925] 🐞 Invalid [8513] 📈 Kernel Health 📈 Bug Lifetimes 📈 Fuzzing 📈 Crashes |
Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|---|
upstream | KCSAN: data-race in lookup_fast / shrink_dentry_list (4) | 1 | 503d | 503d | 0/23 | auto-closed as invalid on 2021/05/04 09:30 | |||
upstream | KCSAN: data-race in lookup_fast / shrink_dentry_list (2) | 1 | 652d | 652d | 0/23 | auto-closed as invalid on 2020/12/05 11:21 | |||
upstream | KCSAN: data-race in lookup_fast / shrink_dentry_list (5) | 1 | 353d | 353d | 0/23 | auto-closed as invalid on 2021/10/01 10:16 | |||
upstream | KCSAN: data-race in lookup_fast / shrink_dentry_list | 3 | 710d | 736d | 0/23 | auto-closed as invalid on 2020/10/08 14:19 |
================================================================== BUG: KCSAN: data-race in lookup_fast / shrink_dentry_list write to 0xffff88812f2c7780 of 4 bytes by task 13051 on cpu 1: d_lru_del fs/dcache.c:410 [inline] __dput_to_list fs/dcache.c:898 [inline] shrink_dentry_list+0x2e5/0x540 fs/dcache.c:1147 shrink_dcache_parent+0x4d/0x3f0 fs/dcache.c:1575 d_invalidate+0x6e/0x1a0 fs/dcache.c:1684 lookup_fast+0x2ed/0x370 fs/namei.c:1509 walk_component+0x5c/0x350 fs/namei.c:1857 link_path_walk+0x491/0x760 fs/namei.c:2182 path_openat+0x19c/0x20a0 fs/namei.c:3367 do_filp_open+0xbd/0x1d0 fs/namei.c:3398 do_sys_openat2+0xa3/0x250 fs/open.c:1172 do_sys_open fs/open.c:1188 [inline] __do_sys_open fs/open.c:1196 [inline] __se_sys_open fs/open.c:1192 [inline] __x64_sys_open+0xe2/0x110 fs/open.c:1192 do_syscall_64+0x39/0x80 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xa9 read to 0xffff88812f2c7780 of 4 bytes by task 13045 on cpu 0: d_revalidate fs/namei.c:767 [inline] lookup_fast+0x7b/0x370 fs/namei.c:1505 walk_component+0x5c/0x350 fs/namei.c:1857 link_path_walk+0x491/0x760 fs/namei.c:2182 path_openat+0x19c/0x20a0 fs/namei.c:3367 do_filp_open+0xbd/0x1d0 fs/namei.c:3398 do_sys_openat2+0xa3/0x250 fs/open.c:1172 do_sys_open fs/open.c:1188 [inline] __do_sys_open fs/open.c:1196 [inline] __se_sys_open fs/open.c:1192 [inline] __x64_sys_open+0xe2/0x110 fs/open.c:1192 do_syscall_64+0x39/0x80 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xa9 Reported by Kernel Concurrency Sanitizer on: CPU: 0 PID: 13045 Comm: systemd-udevd Not tainted 5.11.0-rc6-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ==================================================================
Manager | Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Title |
---|---|---|---|---|---|---|---|---|---|---|---|
ci2-upstream-kcsan-gce | 2021/02/01 10:34 | upstream | 1048ba83fb1c | fc9fd31e | .config | log | report | info | KCSAN: data-race in lookup_fast / shrink_dentry_list | ||
ci2-upstream-kcsan-gce | 2021/01/03 07:45 | upstream | 3516bd729358 | 79264ae3 | .config | log | report | info |