bisecting fixing commit since d7e78d08fa77acdea351c8f628f49ca9a0e1029a
building syzkaller on d5a3ae1f760e7cb2cd5a721d9645ae22eae114fe
testing commit d7e78d08fa77acdea351c8f628f49ca9a0e1029a with gcc (GCC) 8.4.1 20210217
kernel signature: 65c480de2143ff3580ca44e09f2350a6ea6baf464f6b91db50f2e67a30ba7393
all runs: crashed: possible deadlock in lock_trace
testing current HEAD a6b2dae3ee3a3f9f4db3fab5b4b9e493fecf4acd
testing commit a6b2dae3ee3a3f9f4db3fab5b4b9e493fecf4acd with gcc (GCC) 8.4.1 20210217
kernel signature: c849c104574894a10548e8e58fc93ec83a6f5906724752e5b1a06c06ff73c0d7
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 21m28.107960345s (build: 14m37.303464863s, test: 6m22.964668469s)
the crash still happens on HEAD
commit msg: Linux 4.14.235
crash: unregister_netdevice: waiting for DEV to become free
can: request_module (can-proto-0) failed.
can: request_module (can-proto-0) failed.
unregister_netdevice: waiting for ip6gre0 to become free. Usage count = -1
Bluetooth: hci1 command 0x0409 tx timeout
Bluetooth: hci0 command 0x0409 tx timeout
Bluetooth: hci3 command 0x0409 tx timeout
Bluetooth: hci5 command 0x0409 tx timeout
Bluetooth: hci2 command 0x0409 tx timeout
Bluetooth: hci4 command 0x0409 tx timeout
Bluetooth: hci4 command 0x041b tx timeout
Bluetooth: hci2 command 0x041b tx timeout
Bluetooth: hci5 command 0x041b tx timeout
Bluetooth: hci3 command 0x041b tx timeout
Bluetooth: hci0 command 0x041b tx timeout
Bluetooth: hci1 command 0x041b tx timeout
Bluetooth: hci1 command 0x040f tx timeout
Bluetooth: hci0 command 0x040f tx timeout
Bluetooth: hci3 command 0x040f tx timeout
Bluetooth: hci5 command 0x040f tx timeout
Bluetooth: hci2 command 0x040f tx timeout
Bluetooth: hci4 command 0x040f tx timeout
Bluetooth: hci1 command 0x0419 tx timeout
Bluetooth: hci4 command 0x0419 tx timeout
Bluetooth: hci2 command 0x0419 tx timeout
Bluetooth: hci5 command 0x0419 tx timeout
Bluetooth: hci3 command 0x0419 tx timeout
Bluetooth: hci0 command 0x0419 tx timeout