bisecting fixing commit since a35d65bedfbc38cffe2701798cd6810bbdf07892
building syzkaller on 6e821dbf79b49f1952fc147f237aa0f396790edc
testing commit a35d65bedfbc38cffe2701798cd6810bbdf07892
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: c1e8aa6374c375de70aea54977eb135503dc9ba8fd4d9b4a15a5c9e05b3a7d12
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: 6c508e9ac84f6d958cc0db5a489626650da7f334fbf6ec5d36a2d736a2b2f19e
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 25m32.825518604s (build: 18m5.70366779s, test: 6m53.035763141s)
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