bisecting fixing commit since 004bfaafc45ccc95366b37c9b9e7844cd5156368
building syzkaller on 89bc860804252dbacb8c2bea60b9204859f4afd7
testing commit 004bfaafc45ccc95366b37c9b9e7844cd5156368
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 31e9012b8a27eb91d5a883fcc13e8a795182c63ef3b54c41a76b975905253623
all runs: crashed: unregister_netdevice: waiting for DEV to become free
testing current HEAD 84bae26850e3b384a45f0f9a5f8b3b5983afacd8
testing commit 84bae26850e3b384a45f0f9a5f8b3b5983afacd8
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 7448bf68168a71c055e42b64afe6caca7757409ee6f94eeca2e97a869a602262
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 28m33.059685047s (build: 21m36.777874813s, test: 6m19.892675281s)
the crash still happens on HEAD
commit msg: Linux 4.14.284
crash: unregister_netdevice: waiting for DEV to become free
IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready
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
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