Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|---|
upstream | KCSAN: data-race in __fput / kernfs_refresh_inode (2) kernfs | 3 | 1533d | 1574d | 0/26 | auto-closed as invalid on 2020/03/25 20:02 |
syzbot |
sign-in | mailing list | source | docs |
🐞 Open [961] ≡ Subsystems 🐞 Fixed [5156] 🐞 Invalid [12311] ⬇ Missing Backports [83] 📈 Kernel Health 📈 Bug Lifetimes 📈 Fuzzing 📈 Crashes | 💬 Send us feedback |
Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|---|
upstream | KCSAN: data-race in __fput / kernfs_refresh_inode (2) kernfs | 3 | 1533d | 1574d | 0/26 | auto-closed as invalid on 2020/03/25 20:02 |
================================================================== BUG: KCSAN: data-race in __fput / kernfs_refresh_inode write to 0xffff88812589c248 of 2 bytes by task 30143 on cpu 1: kernfs_refresh_inode+0x42/0x140 fs/kernfs/inode.c:172 kernfs_iop_permission+0x66/0xa0 fs/kernfs/inode.c:283 do_inode_permission fs/namei.c:384 [inline] inode_permission+0x241/0x3c0 fs/namei.c:449 may_open.isra.0+0x144/0x250 fs/namei.c:2963 do_last fs/namei.c:3404 [inline] path_openat+0xf05/0x36e0 fs/namei.c:3525 do_filp_open+0x11e/0x1b0 fs/namei.c:3555 do_sys_open+0x3b3/0x4f0 fs/open.c:1097 __do_sys_open fs/open.c:1115 [inline] __se_sys_open fs/open.c:1110 [inline] __x64_sys_open+0x55/0x70 fs/open.c:1110 do_syscall_64+0xcc/0x370 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x44/0xa9 read to 0xffff88812589c248 of 2 bytes by task 3888 on cpu 0: fsnotify_close include/linux/fsnotify.h:286 [inline] __fput+0xca/0x520 fs/file_table.c:266 ____fput+0x1f/0x30 fs/file_table.c:313 task_work_run+0xf6/0x130 kernel/task_work.c:113 tracehook_notify_resume include/linux/tracehook.h:188 [inline] exit_to_usermode_loop+0x2b4/0x2c0 arch/x86/entry/common.c:163 prepare_exit_to_usermode arch/x86/entry/common.c:194 [inline] syscall_return_slowpath arch/x86/entry/common.c:274 [inline] do_syscall_64+0x353/0x370 arch/x86/entry/common.c:300 entry_SYSCALL_64_after_hwframe+0x44/0xa9 Reported by Kernel Concurrency Sanitizer on: CPU: 0 PID: 3888 Comm: udevd Not tainted 5.4.0-rc6+ #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 |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2019/11/05 04:13 | https://github.com/google/ktsan.git kcsan | 94c006602e13 | 76630fc9 | .config | console log | report | ci2-upstream-kcsan-gce | |||||
2019/11/03 11:54 | https://github.com/google/ktsan.git kcsan | 05f2236801fe | c9610487 | .config | console log | report | ci2-upstream-kcsan-gce |