ci2 starts bisection 2022-08-25 04:18:34.675626057 +0000 UTC m=+39977.478564190
bisecting fixing commit since 69b94dd6dcd14d9bfcba35a492f5e27c15cf4d0a
building syzkaller on 340ea5301c27db4a3678f13acc430e04706a0cc6
testing commit 69b94dd6dcd14d9bfcba35a492f5e27c15cf4d0a
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: db90e278657f64e31ce99d3f941629fbe5dac18be8aafb1727488003ef6c9657
all runs: crashed: divide error in fbcon_switch
testing current HEAD b641242202ed8c52030f7b6d8cf15886d3c4fc82
testing commit b641242202ed8c52030f7b6d8cf15886d3c4fc82
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 7f5c3b5d9612cde20b4141a13a7ed51b8e1a974ee529feb3190dd8011f4ea340
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 27m1.25896754s (build: 19m59.901174649s, test: 6m25.169461166s)
the crash still happens on HEAD
commit msg: Linux 4.14.290
crash: unregister_netdevice: waiting for DEV to become free
unregister_netdevice: waiting for ip6gre0 to become free. Usage count = -1