bisecting fixing commit since 7d7d1c0ab3eb7c8d8f63a126535018007823b207
building syzkaller on 8bdd5343e64460868dd1318257a39f1e7fd89471
testing commit 7d7d1c0ab3eb7c8d8f63a126535018007823b207
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: c7673bb4aba13ca6ecd926cdd7a8a23a65d0907b5db168281653f4d94a4dd2e9
all runs: crashed: possible deadlock in rtnl_lock
testing current HEAD 84bae26850e3b384a45f0f9a5f8b3b5983afacd8
testing commit 84bae26850e3b384a45f0f9a5f8b3b5983afacd8
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 1dfbe84dfc1d2322c56bcd92b2c136e57b148489aea429c050ad2bc53f4dfd0d
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 21m48.148189637s (build: 14m51.251225877s, test: 6m33.110746331s)
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