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================================================================== BUG: KCSAN: data-race in __d_instantiate / lookup_fast write to 0xffff8880b332c300 of 4 bytes by task 23507 on cpu 0: fsnotify_update_flags include/linux/fsnotify_backend.h:417 [inline] __d_instantiate+0x2b0/0x310 fs/dcache.c:1931 d_instantiate_new+0x76/0x100 fs/dcache.c:1975 ext4_mkdir+0x5c8/0x850 fs/ext4/namei.c:2821 vfs_mkdir+0x281/0x3b0 fs/namei.c:3625 do_mkdirat+0x1b5/0x200 fs/namei.c:3648 __do_sys_mkdir fs/namei.c:3664 [inline] __se_sys_mkdir fs/namei.c:3662 [inline] __x64_sys_mkdir+0x3d/0x50 fs/namei.c:3662 do_syscall_64+0xc7/0x3b0 arch/x86/entry/common.c:295 entry_SYSCALL_64_after_hwframe+0x44/0xa9 read to 0xffff8880b332c300 of 4 bytes by task 23510 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: 23510 Comm: syz-executor.4 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 |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2020/04/26 11:18 | https://github.com/google/ktsan.git kcsan | 7c3cd68e5d38 | 0ce7569e | .config | console log | report | ci2-upstream-kcsan-gce | |||||
2020/03/06 18:24 | https://github.com/google/ktsan.git kcsan | 941e0d917bbf | 7fb694ef | .config | console log | report | ci2-upstream-kcsan-gce | |||||
2020/03/02 22:59 | https://github.com/google/ktsan.git kcsan | 766d004d1b85 | 4a4e0509 | .config | console log | report | ci2-upstream-kcsan-gce | |||||
2020/01/11 06:17 | https://github.com/google/ktsan.git kcsan | 245a43005292 | 4c04afaa | .config | console log | report | ci2-upstream-kcsan-gce | |||||
2020/01/08 19:20 | https://github.com/google/ktsan.git kcsan | 245a43005292 | ddc3e859 | .config | console log | report | ci2-upstream-kcsan-gce | |||||
2019/12/23 21:27 | https://github.com/google/ktsan.git kcsan | 245a43005292 | be5c2c81 | .config | console log | report | ci2-upstream-kcsan-gce |