bisecting fixing commit since a35d65bedfbc38cffe2701798cd6810bbdf07892
building syzkaller on 3cd800e43d452c348a66ba475143831d94969a24
testing commit a35d65bedfbc38cffe2701798cd6810bbdf07892
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: ec5884d07acc1bcc74cd61c3d456b1b4be055ab7cf98a5e0a7dd106b1a930441
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: d2311b594bb4f90e921d547ecb5581b83ddf3ec62bd24b89bef6b24cdeac4be5
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 23m39.078868099s (build: 16m31.801664476s, test: 6m36.624235938s)
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