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================================================================== BUG: KCSAN: data-race in __dentry_kill / lookup_fast write to 0xffff8880b3388240 of 4 bytes by task 27349 on cpu 0: dentry_unlist fs/dcache.c:519 [inline] __dentry_kill+0x127/0x3b0 fs/dcache.c:575 dentry_kill fs/dcache.c:698 [inline] dput+0x399/0x700 fs/dcache.c:859 handle_mounts fs/namei.c:1375 [inline] step_into+0x8a3/0x1090 fs/namei.c:1676 open_last_lookups fs/namei.c:3178 [inline] path_openat+0x34e/0x23d0 fs/namei.c:3343 do_filp_open+0x11e/0x1b0 fs/namei.c:3373 do_sys_openat2+0x52e/0x680 fs/open.c:1148 do_sys_open+0xa2/0x110 fs/open.c:1164 ksys_open include/linux/syscalls.h:1386 [inline] __do_sys_open fs/open.c:1170 [inline] __se_sys_open fs/open.c:1168 [inline] __x64_sys_open+0x50/0x60 fs/open.c:1168 do_syscall_64+0xc7/0x3b0 arch/x86/entry/common.c:295 entry_SYSCALL_64_after_hwframe+0x44/0xa9 read to 0xffff8880b3388240 of 4 bytes by task 26061 on cpu 1: d_revalidate fs/namei.c:753 [inline] lookup_fast+0x176/0x3a0 fs/namei.c:1479 open_last_lookups fs/namei.c:3121 [inline] path_openat+0x2ba/0x23d0 fs/namei.c:3343 do_filp_open+0x11e/0x1b0 fs/namei.c:3373 do_sys_openat2+0x52e/0x680 fs/open.c:1148 do_sys_open+0xa2/0x110 fs/open.c:1164 ksys_open include/linux/syscalls.h:1386 [inline] __do_sys_open fs/open.c:1170 [inline] __se_sys_open fs/open.c:1168 [inline] __x64_sys_open+0x50/0x60 fs/open.c:1168 do_syscall_64+0xc7/0x3b0 arch/x86/entry/common.c:295 entry_SYSCALL_64_after_hwframe+0x44/0xa9 Reported by Kernel Concurrency Sanitizer on: CPU: 1 PID: 26061 Comm: syz-executor.0 Not tainted 5.7.0-rc1-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ==================================================================
| Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2020/06/01 21:29 | https://github.com/google/ktsan.git kcsan | 7c3cd68e5d38 | a0331e89 | .config | console log | report | ci2-upstream-kcsan-gce | |||||
| 2020/05/15 06:07 | https://github.com/google/ktsan.git kcsan | 7c3cd68e5d38 | 2d572622 | .config | console log | report | ci2-upstream-kcsan-gce | |||||
| 2020/05/05 22:35 | https://github.com/google/ktsan.git kcsan | 7c3cd68e5d38 | 4b76dd25 | .config | console log | report | ci2-upstream-kcsan-gce | |||||
| 2020/05/04 22:27 | https://github.com/google/ktsan.git kcsan | 7c3cd68e5d38 | 9941337c | .config | console log | report | ci2-upstream-kcsan-gce | |||||
| 2020/05/01 13:43 | https://github.com/google/ktsan.git kcsan | 7c3cd68e5d38 | 143a10e9 | .config | console log | report | ci2-upstream-kcsan-gce | |||||
| 2020/04/25 02:41 | https://github.com/google/ktsan.git kcsan | 7c3cd68e5d38 | 03d97a1b | .config | console log | report | ci2-upstream-kcsan-gce | |||||
| 2020/04/23 10:49 | https://github.com/google/ktsan.git kcsan | 7c3cd68e5d38 | 2e44d63e | .config | console log | report | ci2-upstream-kcsan-gce | |||||
| 2020/03/18 19:39 | https://github.com/google/ktsan.git kcsan | 941e0d917bbf | 0a96a13c | .config | console log | report | ci2-upstream-kcsan-gce | |||||
| 2020/03/06 19:37 | https://github.com/google/ktsan.git kcsan | 941e0d917bbf | 7fb694ef | .config | console log | report | ci2-upstream-kcsan-gce | |||||
| 2020/02/29 12:03 | https://github.com/google/ktsan.git kcsan | 766d004d1b85 | c88c7b75 | .config | console log | report | ci2-upstream-kcsan-gce |