bisecting fixing commit since eb045674aab31aa55a4f9aec27cce36e3d946a21
building syzkaller on e2d91b1d0dd8c8b4760986ec8114469246022bb8
testing commit eb045674aab31aa55a4f9aec27cce36e3d946a21
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: bd050f1de3da50fc5a9201a9f288ba1a9242cb2adc3e38edb7fa503cf0bcb097
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: 09a03089a328bccb5c7a76abb7a5ccd9ae6fa8d33b86211504b7ff28891b4f77
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 22m29.299316958s (build: 15m12.079907651s, test: 6m39.813597978s)
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