bisecting fixing commit since a6b2dae3ee3a3f9f4db3fab5b4b9e493fecf4acd
building syzkaller on 500c23397f34dde583da6d31f9d9fd21cae289f8
testing commit a6b2dae3ee3a3f9f4db3fab5b4b9e493fecf4acd
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 1c0b55bee1c4a69393177db266d229442fcd06c5e07373d0ffebceb33f26815a
all runs: crashed: unregister_netdevice: waiting for DEV to become free
testing current HEAD 94cb1fed447ac8d328a8b50f9583df4ce70793e2
testing commit 94cb1fed447ac8d328a8b50f9583df4ce70793e2
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 49590d16ec57d0d04fffa073601b93ec5da5779ce7efd394c5d80d4dcc6f4af2
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 21m40.775775955s (build: 15m24.11246497s, test: 5m54.552177926s)
the crash still happens on HEAD
commit msg: Linux 4.14.242
crash: unregister_netdevice: waiting for DEV to become free
can: request_module (can-proto-0) failed.
can: request_module (can-proto-0) failed.
Bluetooth: hci2 command 0x0409 tx timeout
Bluetooth: hci4 command 0x0409 tx timeout
unregister_netdevice: waiting for ip6gre0 to become free. Usage count = -1
Bluetooth: hci1 command 0x0409 tx timeout
Bluetooth: hci5 command 0x0409 tx timeout
Bluetooth: hci3 command 0x0409 tx timeout
Bluetooth: hci0 command 0x0409 tx timeout
Bluetooth: hci2 command 0x041b tx timeout
Bluetooth: hci4 command 0x041b tx timeout
Bluetooth: hci0 command 0x041b tx timeout
Bluetooth: hci3 command 0x041b tx timeout
Bluetooth: hci5 command 0x041b tx timeout
Bluetooth: hci1 command 0x041b tx timeout
Bluetooth: hci4 command 0x040f tx timeout
Bluetooth: hci2 command 0x040f tx timeout
Bluetooth: hci1 command 0x040f tx timeout
Bluetooth: hci5 command 0x040f tx timeout
Bluetooth: hci3 command 0x040f tx timeout
Bluetooth: hci0 command 0x040f tx timeout
Bluetooth: hci2 command 0x0419 tx timeout
Bluetooth: hci4 command 0x0419 tx timeout
Bluetooth: hci0 command 0x0419 tx timeout
Bluetooth: hci3 command 0x0419 tx timeout
Bluetooth: hci5 command 0x0419 tx timeout
Bluetooth: hci1 command 0x0419 tx timeout