bisecting fixing commit since a35d65bedfbc38cffe2701798cd6810bbdf07892
building syzkaller on 3cd800e43d452c348a66ba475143831d94969a24
testing commit a35d65bedfbc38cffe2701798cd6810bbdf07892
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 14b5d1505949580561b09d95e26748ca91ee840614baec941b53ca5264948536
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: 98f91e6f418915cb428dfe6a42ef988aec1606b3725f5e1f4a771f628c2e8d86
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 20m25.448156609s (build: 13m49.46312094s, test: 6m14.196082767s)
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): bond0: link becomes ready
syz-executor.0 (7989) used greatest stack depth: 24144 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
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