syzbot


KASAN: use-after-free Read in tctx_task_work
Status: fixed on 2021/04/09 19:46
Reported-by: syzbot+a157ac7c03a56397f553@syzkaller.appspotmail.com
Fix commit: 2c32395d8111 io_uring: fix __tctx_task_work() ctx race
First crash: 276d, last: 274d
similar bugs (1):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream KASAN: use-after-free Read in tctx_task_work (2) C unreliable 115 1d22h 99d 0/22 upstream: reported C repro on 2021/08/19 08:10

Sample crash report:

Crashes (2):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce-smack-root 2021/02/25 15:31 upstream 29c395c77a9a 76f7fc95 .config log report info KASAN: use-after-free Read in tctx_task_work
ci-upstream-kasan-gce-386 2021/02/23 17:47 upstream 3b9cdafb5358 fcc6d71b .config log report info KASAN: use-after-free Read in tctx_task_work