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| Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
|---|---|---|---|---|---|---|---|---|---|
| upstream | KCSAN: data-race in __fsnotify_parent / fsnotify_detach_connector_from_object fs | 1 | 1626d | 1626d | 0/26 | closed as invalid on 2019/11/19 15:04 | |||
| upstream | KCSAN: data-race in __fsnotify_parent / fsnotify_detach_connector_from_object (3) fs | syz | 978 | 2h26m | 139d | 0/26 | moderation: reported syz repro on 2023/12/08 00:00 |
================================================================== BUG: KCSAN: data-race in __fsnotify_parent / fsnotify_detach_connector_from_object write to 0xffff88812985e9d4 of 4 bytes by task 11458 on cpu 1: fsnotify_detach_connector_from_object+0xa8/0x1f0 fs/notify/mark.c:184 fsnotify_put_mark+0x340/0x420 fs/notify/mark.c:250 fsnotify_clear_marks_by_group+0x2ab/0x320 fs/notify/mark.c:760 fsnotify_destroy_group+0x5a/0x190 fs/notify/group.c:60 fanotify_release+0x20e/0x240 fs/notify/fanotify/fanotify_user.c:488 __fput+0x1c3/0x4f0 fs/file_table.c:280 ____fput+0x1b/0x30 fs/file_table.c:313 task_work_run+0xf5/0x130 kernel/task_work.c:113 tracehook_notify_resume include/linux/tracehook.h:188 [inline] exit_to_usermode_loop+0x2ae/0x2c0 arch/x86/entry/common.c:164 prepare_exit_to_usermode arch/x86/entry/common.c:195 [inline] syscall_return_slowpath arch/x86/entry/common.c:278 [inline] do_syscall_64+0x36e/0x390 arch/x86/entry/common.c:304 entry_SYSCALL_64_after_hwframe+0x44/0xa9 read to 0xffff88812985e9d4 of 4 bytes by task 11459 on cpu 0: __fsnotify_parent+0xc7/0x230 fs/notify/fsnotify.c:161 fsnotify_parent include/linux/fsnotify.h:40 [inline] fsnotify_path include/linux/fsnotify.h:50 [inline] fsnotify_perm include/linux/fsnotify.h:85 [inline] security_file_permission+0x187/0x270 security/security.c:1411 rw_verify_area+0xd8/0x230 fs/read_write.c:399 do_splice_to+0x5f/0x100 fs/splice.c:880 splice_direct_to_actor+0x1b9/0x540 fs/splice.c:971 do_splice_direct+0x152/0x1d0 fs/splice.c:1080 do_sendfile+0x396/0x810 fs/read_write.c:1520 __do_sys_sendfile64 fs/read_write.c:1575 [inline] __se_sys_sendfile64 fs/read_write.c:1567 [inline] __x64_sys_sendfile64+0xb8/0x140 fs/read_write.c:1567 do_syscall_64+0xc7/0x390 arch/x86/entry/common.c:294 entry_SYSCALL_64_after_hwframe+0x44/0xa9 Reported by Kernel Concurrency Sanitizer on: CPU: 0 PID: 11459 Comm: syz-executor.1 Not tainted 5.6.0-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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2020/04/07 20:20 | https://github.com/google/ktsan.git kcsan | 40959e34d670 | db9bcd4b | .config | console log | report | ci2-upstream-kcsan-gce | |||||
| 2020/03/09 09:56 | https://github.com/google/ktsan.git kcsan | 941e0d917bbf | 2e9971bb | .config | console log | report | ci2-upstream-kcsan-gce | |||||
| 2020/01/13 05:05 | https://github.com/google/ktsan.git kcsan | 245a43005292 | 53faa9fe | .config | console log | report | ci2-upstream-kcsan-gce | |||||
| 2020/01/11 12:43 | https://github.com/google/ktsan.git kcsan | 245a43005292 | 4c04afaa | .config | console log | report | ci2-upstream-kcsan-gce | |||||
| 2019/12/04 19:39 | https://github.com/google/ktsan.git kcsan | ef798c30ba4e | b2088328 | .config | console log | report | ci2-upstream-kcsan-gce | |||||
| 2019/11/19 16:59 | https://github.com/google/ktsan.git kcsan | 5863cc791e4c | 432c7650 | .config | console log | report | ci2-upstream-kcsan-gce |