bisecting fixing commit since 501eec4f9e138b958fc7438e7a745c0d6a7c68b3
building syzkaller on a46af3462c457f5f23b620200144d9a2a430f49f
testing commit 501eec4f9e138b958fc7438e7a745c0d6a7c68b3
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 9f0626ce807646b00b3ec40f7268305cf8e5deaed9000375bdb7a2d427fe85e8
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: 38138ba4ecea72f6b74586298e84ef569131e289a57e3434f09d98bbc0301e4d
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 20m11.648180376s (build: 13m22.723773266s, test: 6m30.5381168s)
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