bisecting fixing commit since b86ee2b7ae42b6b37a918b66236608e2cc325f59
building syzkaller on a7dab6385c1d95547a88e22577fb56fbcd5c37eb
testing commit b86ee2b7ae42b6b37a918b66236608e2cc325f59
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 893c5ab714bf7d58641fcfe93f4783bbed27126eee762e68eb06f956c5140a29
all runs: crashed: unregister_netdevice: waiting for DEV to become free
testing current HEAD b8f3be299d5176348b15cc59d55b85faa3dece68
testing commit b8f3be299d5176348b15cc59d55b85faa3dece68
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 66dc158db86f0e4c9e22090ccc8528cae7b714dab6d6e379c5b57d59acbd5e23
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 24m6.080262427s (build: 16m58.592704098s, test: 6m24.806612715s)
the crash still happens on HEAD
commit msg: Linux 4.14.282
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