bisecting fixing commit since ad8397a84e1e425e3f8221638cee2bfa237d9b2c
building syzkaller on 858ea628800647d5e5b68b11441e42b8ef5652c1
testing commit ad8397a84e1e425e3f8221638cee2bfa237d9b2c
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: d5f78c5de24332500274e3edcc1a562e784ec1746d49574e4d572745b00bc521
all runs: crashed: unregister_netdevice: waiting for DEV to become free
testing current HEAD 1ccc597f801cbecffcaed7f2d1f620ec48f6f8df
testing commit 1ccc597f801cbecffcaed7f2d1f620ec48f6f8df
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: d78f94f93dc0871937e08e26796338164251f73f33d8c99ce03701de234af2f1
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 26m19.74199316s (build: 19m25.806465191s, test: 6m16.006943155s)
the crash still happens on HEAD
commit msg: Linux 4.14.283
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