bisecting fixing commit since a35d65bedfbc38cffe2701798cd6810bbdf07892
building syzkaller on 6e821dbf79b49f1952fc147f237aa0f396790edc
testing commit a35d65bedfbc38cffe2701798cd6810bbdf07892
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 6e02fd7e18a59284fd5877cd6cc1bfe22ba46314b4e6ac012fe65cce17f1f424
all runs: crashed: unregister_netdevice: waiting for DEV to become free
testing current HEAD 84bae26850e3b384a45f0f9a5f8b3b5983afacd8
testing commit 84bae26850e3b384a45f0f9a5f8b3b5983afacd8
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 071a6f89f1449f7d6238391db71dcee471b719b465794efb6ca7caf3a3e32ed8
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 25m31.497722929s (build: 18m13.927041827s, test: 6m40.334690466s)
the crash still happens on HEAD
commit msg: Linux 4.14.284
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