bisecting fixing commit since d7e78d08fa77acdea351c8f628f49ca9a0e1029a
building syzkaller on abf9ba4fc75d9b29af15625d44dcfc1360fad3b7
testing commit d7e78d08fa77acdea351c8f628f49ca9a0e1029a
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 97ae6634ea3f7eb4a1b066b40906ec1661d652f3eeaa52e2e5f306f77a2d4d08
all runs: crashed: possible deadlock in rtnl_lock
testing current HEAD 1048779a1d7dcf0b5c150188decafa21c19821e4
testing commit 1048779a1d7dcf0b5c150188decafa21c19821e4
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 9a81ed5a7881283c57f6cdbb379641c70c0eb5d181bc5ab0f04d7d4114ce13fc
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 27m12.96509137s (build: 19m52.563011321s, test: 6m48.576899424s)
the crash still happens on HEAD
commit msg: Linux 4.14.287
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