bisecting fixing commit since 8034e99d1a010a795b979582c0b2370584d8abf4
building syzkaller on 8b9ca619df135211a89cc19719f2705d0016045d
testing commit 8034e99d1a010a795b979582c0b2370584d8abf4
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: f54f1fa0b166cfcc31328cc696dbd44b1598ce38e048d44312911188d802de9c
all runs: crashed: unregister_netdevice: waiting for DEV to become free
testing current HEAD 424a46ea058e160ae6fdd0693092ba79da533f26
testing commit 424a46ea058e160ae6fdd0693092ba79da533f26
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: d80e6548b4bfce52ed715a6cb1da06528de6537e259ba88284b6b53ffde38749
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 23m31.571814161s (build: 16m52.260808498s, test: 6m15.033486765s)
the crash still happens on HEAD
commit msg: Linux 4.14.288
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