bisecting fixing commit since e3a56aaade89bc89f33baec11b12538fc22536e2
building syzkaller on 8b277b8e2ac2f385eec24532a4786cc4ad12e9ae
testing commit e3a56aaade89bc89f33baec11b12538fc22536e2
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 768bbc95d612e2586575b3a1486bff191fa93f807e59ca73c7ad0af28f14a142
all runs: crashed: unregister_netdevice: waiting for DEV to become free
testing current HEAD 1048779a1d7dcf0b5c150188decafa21c19821e4
testing commit 1048779a1d7dcf0b5c150188decafa21c19821e4
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 73c69c44678f4b8d69cd42ca2ccb4b3c2f808d349045c5f041b6a928bbf90dba
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 26m26.840383387s (build: 18m52.050460473s, test: 7m1.600524916s)
the crash still happens on HEAD
commit msg: Linux 4.14.287
crash: unregister_netdevice: waiting for DEV to become free
unregister_netdevice: waiting for ip6gre0 to become free. Usage count = -1
Bluetooth: hci0 command 0x0409 tx timeout
Bluetooth: hci0 command 0x041b tx timeout
Bluetooth: hci0 command 0x040f tx timeout
Bluetooth: hci0 command 0x0419 tx timeout