general protection fault in __io_arm_poll_handler
Status: upstream: reported C repro on 2021/09/03 20:28
First crash: 95d, last: 93d

Cause bisection: introduced by (bisect log) :
commit 884a76881fc5f5c9c04de1b640bed2c340929842
Author: David Howells <>
Date: Mon Feb 10 10:00:22 2020 +0000

  fscache: Procfile to display cookies

Crash: WARNING: ODEBUG bug in netdev_run_todo (log)
Repro: C syz .config

Fix bisection: fixed by (bisect log) [no-op commit]:
commit ea0056f09a74d96ddad11b0c484961c011baba08
Author: Wei Li <>
Date: Wed Jul 14 01:50:00 2021 +0000

  perf trace: Update cmd string table to decode sys_bpf first arg

Patch testing requests:
Created Duration User Patch Repo Result
2021/09/03 20:38 38m git:// for-5.15/io_uring OK

Sample crash report:

Crashes (3):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce-smack-root 2021/09/03 17:24 upstream a9c9a6f741cd f62a5829 .config log report syz C general protection fault in __io_arm_poll_handler
ci-upstream-kasan-gce-root 2021/09/05 14:16 upstream 49624efa65ac d236a457 .config log report info general protection fault in __io_arm_poll_handler
ci-upstream-kasan-gce-smack-root 2021/09/03 16:53 upstream a9c9a6f741cd f62a5829 .config log report info general protection fault in __io_arm_poll_handler