syzbot


possible deadlock in __io_queue_deferred
Status: fixed on 2020/09/16 22:51
Reported-by: syzbot+996f91b6ec3812c48042@syzkaller.appspotmail.com
Fix commit: 7271ef3a io_uring: fix recursive completion locking on oveflow flush
First crash: 51d, last: 51d

Cause bisection: failed (bisect log)
duplicates (1):
Title Repro Bisected Count Last Reported Patched Status
possible deadlock in io_queue_linked_timeout C cause 3 47d 49d 0/17 closed as dup on 2020/08/10 16:02

Sample crash report:

Crashes (1):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Maintainers
ci-upstream-kasan-gce-smack-root 2020/08/09 04:39 upstream 449dc8c9 f721e4a0 .config log report syz C axboe@kernel.dk, io-uring@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, viro@zeniv.linux.org.uk