bisecting fixing commit since 46914f96189be290174e378c6bf9ccadfdb9ca1e
building syzkaller on 2489ab887a86e8b1b253aef742e365a606db3a4f
testing commit 46914f96189be290174e378c6bf9ccadfdb9ca1e
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 76783bcbd96bdd29b81b0abf2f7c1487bd4998ff5b9093a4c3f82da0727f270d
all runs: crashed: unregister_netdevice: waiting for DEV to become free
testing current HEAD b8f3be299d5176348b15cc59d55b85faa3dece68
testing commit b8f3be299d5176348b15cc59d55b85faa3dece68
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 54d15a2544c8d44deb22eebdeb3bf1748ace35214a6abb71f71f5eeb003dbb27
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 20m35.31230355s (build: 14m10.640883962s, test: 6m2.96843143s)
the crash still happens on HEAD
commit msg: Linux 4.14.282
crash: unregister_netdevice: waiting for DEV to become free
Bluetooth: hci0 command 0x0409 tx timeout
unregister_netdevice: waiting for ip6gre0 to become free. Usage count = -1
Bluetooth: hci0 command 0x041b tx timeout
Bluetooth: hci0 command 0x040f tx timeout
Bluetooth: hci0 command 0x0419 tx timeout