bisecting fixing commit since 69b94dd6dcd14d9bfcba35a492f5e27c15cf4d0a
building syzkaller on 340ea5301c27db4a3678f13acc430e04706a0cc6
testing commit 69b94dd6dcd14d9bfcba35a492f5e27c15cf4d0a
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 75444c9233213fccef64203f7bc3b65c10e2e56315dcd014dc4b4b95678ee778
all runs: crashed: divide error in fbcon_switch
testing current HEAD fa33f9094f36943ea32f7fbe323293b62e96151d
testing commit fa33f9094f36943ea32f7fbe323293b62e96151d
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 4f1436b06960e8739c90fa2479089960f74afc0e46d963d132e0094493f5db04
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 24m54.878117821s (build: 17m43.456509151s, test: 6m30.878983729s)
the crash still happens on HEAD
commit msg: Linux 4.14.268
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