bisecting fixing commit since 21ad423fe5210f5aa50bd43f9ae99b655090a227
building syzkaller on 0b33604d8e2793b82ec89abecf82d92b82e3d410
testing commit 21ad423fe5210f5aa50bd43f9ae99b655090a227
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 09605d2310b5d05bf73a22d76483dd27522f2994350f42cd126371895a9a2931
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: 0a9e769a53dffce8b588299e4b146b848b9dfc92208485bb849d68bbd8b79633
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 20m29.227217431s (build: 14m2.06735077s, test: 6m4.107622544s)
the crash still happens on HEAD
commit msg: Linux 4.14.282
crash: unregister_netdevice: waiting for DEV to become free
IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready
syz-executor.0 (7965) used greatest stack depth: 24168 bytes left
can: request_module (can-proto-0) failed.
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
unregister_netdevice: waiting for ip6gre0 to become free. Usage count = -1
Bluetooth: hci0 command 0x0409 tx timeout
Bluetooth: hci0 command 0x041b tx timeout
Bluetooth: hci0 command 0x040f tx timeout
Bluetooth: hci0 command 0x0419 tx timeout