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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 / retain_dentry (4) | 4 | 541d | 592d | 0/23 | auto-closed as invalid on 2021/03/27 05:59 | |||
upstream | KCSAN: data-race in lookup_fast / retain_dentry | 2 | 725d | 737d | 0/23 | auto-closed as invalid on 2020/09/23 11:25 | |||
upstream | KCSAN: data-race in lookup_fast / retain_dentry (2) | 1 | 687d | 687d | 0/23 | auto-closed as invalid on 2020/10/31 17:53 | |||
upstream | KCSAN: data-race in lookup_fast / retain_dentry (3) | 2 | 631d | 615d | 0/23 | auto-closed as invalid on 2020/12/27 03:33 |
================================================================== BUG: KCSAN: data-race in lookup_fast / retain_dentry write to 0xffff8880264f7c00 of 4 bytes by task 27320 on cpu 1: retain_dentry+0x1de/0x260 fs/dcache.c:660 dput+0x11e/0x430 fs/dcache.c:881 path_put fs/namei.c:546 [inline] terminate_walk+0x109/0x270 fs/namei.c:645 path_openat+0x18dc/0x21b0 fs/namei.c:3501 do_filp_open+0xd9/0x1f0 fs/namei.c:3527 do_sys_openat2+0xa3/0x250 fs/open.c:1187 do_sys_open fs/open.c:1203 [inline] __do_sys_open fs/open.c:1211 [inline] __se_sys_open fs/open.c:1207 [inline] __x64_sys_open+0xe2/0x110 fs/open.c:1207 do_syscall_64+0x39/0x80 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xae read to 0xffff8880264f7c00 of 4 bytes by task 27324 on cpu 0: d_revalidate fs/namei.c:826 [inline] lookup_fast+0x15f/0x350 fs/namei.c:1579 open_last_lookups fs/namei.c:3260 [inline] path_openat+0x47e/0x21b0 fs/namei.c:3497 do_filp_open+0xd9/0x1f0 fs/namei.c:3527 do_sys_openat2+0xa3/0x250 fs/open.c:1187 do_sys_open fs/open.c:1203 [inline] __do_sys_open fs/open.c:1211 [inline] __se_sys_open fs/open.c:1207 [inline] __x64_sys_open+0xe2/0x110 fs/open.c:1207 do_syscall_64+0x39/0x80 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xae Reported by Kernel Concurrency Sanitizer on: CPU: 0 PID: 27324 Comm: syz-executor.2 Not tainted 5.12.0-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 | 2021/04/09 16:12 | upstream | 17e7124aad76 | 6a81331a | .config | log | report | info | KCSAN: data-race in lookup_fast / retain_dentry |