bisecting fixing commit since 3242aa3a635c0958671ee1e4b0958dcc7c4e5c79
building syzkaller on 4c37c133e4bf703d023995535f1e264d8658e08e
testing commit 3242aa3a635c0958671ee1e4b0958dcc7c4e5c79
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 2f774697897038d6a6ad33b99f7cd1e63f3a496f0f48d385a96a85e9351e2727
run #0: crashed: WARNING in tracepoint_probe_register_prio
run #1: crashed: WARNING in tracepoint_probe_register_prio
run #2: crashed: WARNING in tracepoint_probe_register_prio
run #3: crashed: WARNING in tracepoint_probe_register_prio
run #4: crashed: WARNING in tracepoint_probe_register_prio
run #5: crashed: WARNING in tracepoint_probe_register_prio
run #6: crashed: WARNING in tracepoint_probe_register_prio
run #7: crashed: WARNING in tracepoint_probe_register_prio
run #8: crashed: WARNING in tracepoint_probe_register_prio
run #9: crashed: WARNING in tracepoint_probe_register_prio
run #10: crashed: WARNING in tracepoint_probe_register_prio
run #11: crashed: WARNING in tracepoint_probe_register_prio
run #12: crashed: WARNING in tracepoint_probe_register_prio
run #13: crashed: WARNING in tracepoint_probe_register_prio
run #14: crashed: WARNING in tracepoint_probe_register_prio
run #15: crashed: WARNING in tracepoint_probe_register_prio
run #16: crashed: WARNING in tracepoint_probe_register_prio
run #17: crashed: WARNING in tracepoint_probe_register_prio
run #18: crashed: WARNING in tracepoint_probe_register_prio
run #19: OK
testing current HEAD f96eb53cbd76415edfba99c2cfa88567a885a428
testing commit f96eb53cbd76415edfba99c2cfa88567a885a428
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 8ba6c13450eb9856ac49c090ac0a7bf4c4ff1f3831b159ee3587db8d442067a5
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 29m26.919939935s (build: 15m5.664538578s, test: 13m58.094108918s)
the crash still happens on HEAD
commit msg: Linux 4.14.246
crash: unregister_netdevice: waiting for DEV to become free
Bluetooth: hci2 command 0x0409 tx timeout
Bluetooth: hci3 command 0x0409 tx timeout
Bluetooth: hci4 command 0x0409 tx timeout
Bluetooth: hci1 command 0x0409 tx timeout
Bluetooth: hci5 command 0x0409 tx timeout
unregister_netdevice: waiting for ip6gre0 to become free. Usage count = -1
Bluetooth: hci0 command 0x0409 tx timeout
Bluetooth: hci0 command 0x041b tx timeout
Bluetooth: hci1 command 0x041b tx timeout
Bluetooth: hci5 command 0x041b tx timeout
Bluetooth: hci4 command 0x041b tx timeout
Bluetooth: hci3 command 0x041b tx timeout
Bluetooth: hci2 command 0x041b tx timeout
Bluetooth: hci2 command 0x040f tx timeout
Bluetooth: hci3 command 0x040f tx timeout
Bluetooth: hci4 command 0x040f tx timeout
Bluetooth: hci5 command 0x040f tx timeout
Bluetooth: hci1 command 0x040f tx timeout
Bluetooth: hci0 command 0x040f tx timeout
Bluetooth: hci0 command 0x0419 tx timeout
Bluetooth: hci1 command 0x0419 tx timeout
Bluetooth: hci5 command 0x0419 tx timeout
Bluetooth: hci4 command 0x0419 tx timeout
Bluetooth: hci3 command 0x0419 tx timeout
Bluetooth: hci2 command 0x0419 tx timeout