bisecting fixing commit since 501eec4f9e138b958fc7438e7a745c0d6a7c68b3
building syzkaller on a46af3462c457f5f23b620200144d9a2a430f49f
testing commit 501eec4f9e138b958fc7438e7a745c0d6a7c68b3
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 27079fcca2b2922988b75fc22c9fff59d9ed0a76ab1c603386e5cb72ae09e076
all runs: crashed: unregister_netdevice: waiting for DEV to become free
testing current HEAD f051383ef03bde49ca992f297ec80757a702e774
testing commit f051383ef03bde49ca992f297ec80757a702e774
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 47837cb1a18254b2aacfd3afd41f8e73a2b771ad8deb162cdcb4ec58412a55bf
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 19m49.686258694s (build: 13m4.635285041s, test: 6m24.288220979s)
the crash still happens on HEAD
commit msg: Linux 4.14.285
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