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🐞 Open [1032] 🐞 Fixed [3929] 🐞 Invalid [8538] 📈 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 / retain_dentry (5) | 1 | 497d | 497d | 0/23 | auto-closed as invalid on 2021/05/17 09:51 | |||
upstream | KCSAN: data-race in lookup_fast / retain_dentry | 2 | 730d | 742d | 0/23 | auto-closed as invalid on 2020/09/23 11:25 | |||
upstream | KCSAN: data-race in lookup_fast / retain_dentry (2) | 1 | 691d | 691d | 0/23 | auto-closed as invalid on 2020/10/31 17:53 | |||
upstream | KCSAN: data-race in lookup_fast / retain_dentry (3) | 2 | 635d | 620d | 0/23 | auto-closed as invalid on 2020/12/27 03:33 |
loop1: detected capacity change from 244 to 0 ================================================================== BUG: KCSAN: data-race in lookup_fast / retain_dentry write to 0xffff88800ac253c0 of 4 bytes by task 22997 on cpu 1: retain_dentry+0x1de/0x260 fs/dcache.c:659 dput+0x10e/0x420 fs/dcache.c:880 path_put+0x1b/0x30 fs/namei.c:496 do_mount fs/namespace.c:3225 [inline] __do_sys_mount fs/namespace.c:3432 [inline] __se_sys_mount+0x247/0x2e0 fs/namespace.c:3409 __x64_sys_mount+0x63/0x70 fs/namespace.c:3409 do_syscall_64+0x39/0x80 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xa9 read to 0xffff88800ac253c0 of 4 bytes by task 22989 on cpu 0: d_revalidate fs/namei.c:767 [inline] lookup_fast+0x15f/0x370 fs/namei.c:1493 walk_component+0x5c/0x350 fs/namei.c:1857 lookup_last fs/namei.c:2312 [inline] path_lookupat+0x12d/0x560 fs/namei.c:2336 filename_lookup+0xf2/0x380 fs/namei.c:2369 user_path_at_empty+0x3b/0x50 fs/namei.c:2649 user_path_at include/linux/namei.h:59 [inline] do_mount fs/namespace.c:3221 [inline] __do_sys_mount fs/namespace.c:3432 [inline] __se_sys_mount+0x209/0x2e0 fs/namespace.c:3409 __x64_sys_mount+0x63/0x70 fs/namespace.c:3409 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: 22989 Comm: syz-executor.1 Not tainted 5.11.0-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 | 2021/02/20 05:53 | upstream | f40ddce88593 | f689d40a | .config | log | report | info | KCSAN: data-race in lookup_fast / retain_dentry | ||
ci2-upstream-kcsan-gce | 2021/02/08 00:39 | upstream | b75dba7f472c | 2ce644fc | .config | log | report | info | KCSAN: data-race in lookup_fast / retain_dentry | ||
ci2-upstream-kcsan-gce | 2021/01/28 07:41 | upstream | 76c057c84d28 | eefc07f2 | .config | log | report | info | KCSAN: data-race in lookup_fast / retain_dentry | ||
ci2-upstream-kcsan-gce | 2020/12/30 15:40 | upstream | 139711f033f6 | ecb8c012 | .config | log | report | info |