bisecting fixing commit since c10b57a567e4333b9fdf60b5ec36de9859263ca2
building syzkaller on 365fba2440cee3aed74c774867a1f43e3e2f7aac
testing commit c10b57a567e4333b9fdf60b5ec36de9859263ca2
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 66d75fc1c3dac8b879fd1ac30d9fdad5c51f8930061a3cdbadef97464456608c
all runs: crashed: possible deadlock in perf_event_read_value
testing current HEAD 5f9f3b0057d5c5782985784ba0159b05b4083055
testing commit 5f9f3b0057d5c5782985784ba0159b05b4083055
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 9bed498fb05a5cd5a9b3891fcd50c7b0f60376d51911466a9527155aab376cba
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 26m1.130066032s (build: 19m4.023880135s, test: 6m23.12185023s)
the crash still happens on HEAD
commit msg: Linux 4.14.255
crash: unregister_netdevice: waiting for DEV to become free
can: request_module (can-proto-0) failed.
can: request_module (can-proto-0) failed.
unregister_netdevice: waiting for ip6gre0 to become free. Usage count = -1