bisecting fixing commit since 01364dad1d4577e27a57729d41053f661bb8a5b9
building syzkaller on 78267cec1aaa5e066d66e6a6c76fea1753e51b46
testing commit 01364dad1d4577e27a57729d41053f661bb8a5b9
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 2fed46b0638e92d38ab0ef2057ccee1db83ddfae803630e4ba78148786b46e51
all runs: crashed: possible deadlock in kcm_ioctl
testing current HEAD cd529693461026636f76d0395a42cb2439bbd368
testing commit cd529693461026636f76d0395a42cb2439bbd368
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: ed08820eea89785766a6b75062b36b626ad616d2529b27db61c057b958c1f534
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 26m5.35282388s (build: 18m39.422089946s, test: 6m32.560085424s)
the crash still happens on HEAD
commit msg: Linux 4.14.253
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