Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|---|
upstream | KCSAN: data-race in __d_drop / __d_lookup_rcu fs | 4 | 871d | 913d | 0/26 | auto-closed as invalid on 2022/01/19 01:37 |
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Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|---|
upstream | KCSAN: data-race in __d_drop / __d_lookup_rcu fs | 4 | 871d | 913d | 0/26 | auto-closed as invalid on 2022/01/19 01:37 |
================================================================== BUG: KCSAN: data-race in __d_drop / __d_lookup_rcu read to 0xffff888104645610 of 8 bytes by task 7394 on cpu 1: hlist_bl_unhashed include/linux/list_bl.h:54 [inline] d_unhashed include/linux/dcache.h:332 [inline] __d_lookup_rcu+0x12f/0x400 fs/dcache.c:2347 lookup_fast+0xc1/0x360 fs/namei.c:1630 open_last_lookups fs/namei.c:3369 [inline] path_openat+0x488/0x1f30 fs/namei.c:3606 do_filp_open+0x105/0x220 fs/namei.c:3636 io_openat2+0x38d/0x780 fs/io_uring.c:4400 io_issue_sqe+0x169a/0x9610 __io_queue_sqe+0x20/0x6a0 fs/io_uring.c:7098 io_queue_sqe+0x46/0x550 fs/io_uring.c:7140 io_submit_sqe+0x796/0x4b34 fs/io_uring.c:7348 io_submit_sqes+0x25f/0x560 fs/io_uring.c:7454 __do_sys_io_uring_enter fs/io_uring.c:10162 [inline] __se_sys_io_uring_enter+0x212/0xb00 fs/io_uring.c:10104 __x64_sys_io_uring_enter+0x74/0x80 fs/io_uring.c:10104 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x44/0xd0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae write to 0xffff888104645610 of 8 bytes by task 7403 on cpu 0: __d_drop+0x16a/0x250 fs/dcache.c:508 __dentry_kill+0x12f/0x450 fs/dcache.c:602 dput+0x218/0x430 fs/dcache.c:913 handle_mounts fs/namei.c:1552 [inline] step_into+0x468/0xf70 fs/namei.c:1850 open_last_lookups fs/namei.c:3423 [inline] path_openat+0xfa5/0x1f30 fs/namei.c:3606 do_filp_open+0x105/0x220 fs/namei.c:3636 io_openat2+0x38d/0x780 fs/io_uring.c:4400 io_issue_sqe+0x169a/0x9610 io_wq_submit_work+0x1c5/0x370 fs/io_uring.c:6916 io_worker_handle_work+0x51b/0xc10 fs/io-wq.c:588 io_wqe_worker+0x1bc/0x4f0 fs/io-wq.c:639 ret_from_fork+0x1f/0x30 Reported by Kernel Concurrency Sanitizer on: CPU: 0 PID: 7403 Comm: iou-wrk-7398 Not tainted 5.17.0-rc8-syzkaller-00061-g34e047aa16c0-dirty #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 |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2022/03/19 04:33 | upstream | 34e047aa16c0 | e2d91b1d | .config | console log | report | info | ci2-upstream-kcsan-gce | KCSAN: data-race in __d_drop / __d_lookup_rcu | |||
2022/02/21 07:27 | upstream | 7f25f0412c9e | 3cd800e4 | .config | console log | report | info | ci2-upstream-kcsan-gce | KCSAN: data-race in __d_drop / __d_lookup_rcu | |||
2022/02/20 11:36 | upstream | 4f12b742eb2b | 3cd800e4 | .config | console log | report | info | ci2-upstream-kcsan-gce | KCSAN: data-race in __d_drop / __d_lookup_rcu | |||
2022/01/24 11:12 | upstream | dd81e1c7d5fb | 214351e1 | .config | console log | report | info | ci2-upstream-kcsan-gce | KCSAN: data-race in __d_drop / __d_lookup_rcu |