bisecting fixing commit since 3242aa3a635c0958671ee1e4b0958dcc7c4e5c79 building syzkaller on 4c37c133e4bf703d023995535f1e264d8658e08e testing commit 3242aa3a635c0958671ee1e4b0958dcc7c4e5c79 with gcc (GCC) 8.4.1 20210217 kernel signature: 004caf6ccdecd41bf4dc354c6853f8e68d10790e5b661679a2f9df2c05559c66 all runs: crashed: SYZFAIL: command refers to bad result testing current HEAD ad8397a84e1e425e3f8221638cee2bfa237d9b2c testing commit ad8397a84e1e425e3f8221638cee2bfa237d9b2c with gcc (GCC) 8.4.1 20210217 kernel signature: c204e6049c0d3dad6d4e5a709750b48d77ee0f3c8d6587259a231246113665be all runs: crashed: unregister_netdevice: waiting for DEV to become free revisions tested: 2, total time: 23m54.652345193s (build: 17m16.592391905s, test: 6m17.642527459s) the crash still happens on HEAD commit msg: Linux 4.14.234 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: hci4 command 0x0409 tx timeout Bluetooth: hci1 command 0x0409 tx timeout Bluetooth: hci3 command 0x0409 tx timeout Bluetooth: hci5 command 0x0409 tx timeout Bluetooth: hci0 command 0x0409 tx timeout Bluetooth: hci2 command 0x0409 tx timeout Bluetooth: hci1 command 0x041b tx timeout Bluetooth: hci4 command 0x041b tx timeout Bluetooth: hci2 command 0x041b tx timeout Bluetooth: hci5 command 0x041b tx timeout Bluetooth: hci0 command 0x041b tx timeout Bluetooth: hci3 command 0x041b tx timeout Bluetooth: hci4 command 0x040f tx timeout Bluetooth: hci1 command 0x040f tx timeout Bluetooth: hci3 command 0x040f tx timeout Bluetooth: hci0 command 0x040f tx timeout Bluetooth: hci5 command 0x040f tx timeout Bluetooth: hci2 command 0x040f tx timeout Bluetooth: hci1 command 0x0419 tx timeout Bluetooth: hci4 command 0x0419 tx timeout Bluetooth: hci5 command 0x0419 tx timeout Bluetooth: hci2 command 0x0419 tx timeout Bluetooth: hci0 command 0x0419 tx timeout Bluetooth: hci3 command 0x0419 tx timeout