bisecting fixing commit since a35d65bedfbc38cffe2701798cd6810bbdf07892
building syzkaller on 3cd800e43d452c348a66ba475143831d94969a24
testing commit a35d65bedfbc38cffe2701798cd6810bbdf07892
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 023081c60e0b349380ff5ec57a45b8fa56aba9667c8d5913d311a1269449c153
all runs: crashed: unregister_netdevice: waiting for DEV to become free
testing current HEAD dffb5c6ff09c51ed585e3e7665143df103867fc8
testing commit dffb5c6ff09c51ed585e3e7665143df103867fc8
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: b778a917ce5138da6a7e9785d6a6d95eab2d7c461d9e34bc87521fde86ec6581
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 27m51.136104812s (build: 20m24.574986195s, test: 7m2.179262164s)
the crash still happens on HEAD
commit msg: Linux 4.14.280
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