syzbot


KASAN: use-after-free Read in percpu_ref_switch_to_atomic_rcu
Status: fixed on 2020/04/15 17:19
Reported-by: syzbot+e017e49c39ab484ac87a@syzkaller.appspotmail.com
Fix commit: c1e2148f8ecb io_uring: free fixed_file_data after RCU grace period
First crash: 662d, last: 638d

Sample crash report:

Crashes (5):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce-root 2020/02/29 18:11 upstream f8788d86ab28 59b57593 .config log report
ci-upstream-kasan-gce 2020/02/09 10:42 upstream fdfa3a6778b1 6ece2ea5 .config log report
ci-upstream-kasan-gce-smack-root 2020/02/06 06:29 upstream 4c7d00ccf40d 662cf49a .config log report
ci-upstream-kasan-gce 2020/02/06 04:10 upstream 4c7d00ccf40d 662cf49a .config log report
ci-upstream-linux-next-kasan-gce-root 2020/02/17 17:26 linux-next c25a951c50dc 2b411596 .config log report