bisecting fixing commit since 69b94dd6dcd14d9bfcba35a492f5e27c15cf4d0a
building syzkaller on 340ea5301c27db4a3678f13acc430e04706a0cc6
testing commit 69b94dd6dcd14d9bfcba35a492f5e27c15cf4d0a
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 374bd03760ed15e8fe31676f76a87223b14b45c6d0463d39c360d35c40a71f4a
all runs: crashed: divide error in fbcon_switch
testing current HEAD 4ba8e26127c393c32776dff6d79c5b82de6dc542
testing commit 4ba8e26127c393c32776dff6d79c5b82de6dc542
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 2450c292e9344d9163c206000a934663491e6902a74a7c11c06db99e9552a39f
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 27m38.368417097s (build: 20m48.152734074s, test: 6m17.692240889s)
the crash still happens on HEAD
commit msg: Linux 4.14.262
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