bisecting fixing commit since 3f2ecb86cb909da0b9157fd2952ad79924cbe5ae
building syzkaller on 04201c0669446145fd9c347c5538da0ca13ff29b
testing commit 3f2ecb86cb909da0b9157fd2952ad79924cbe5ae with gcc (GCC) 8.4.1 20210217
kernel signature: 4a979026c4f03666ab1ce910d42a7c87c16b8e460c32de792784004e4b02a8ae
run #0: crashed: WARNING in process_one_work
run #1: crashed: WARNING: ODEBUG bug in slave_kobj_release
run #2: crashed: WARNING in process_one_work
run #3: crashed: WARNING: ODEBUG bug in slave_kobj_release
run #4: crashed: WARNING in corrupted
run #5: crashed: WARNING: ODEBUG bug in slave_kobj_release
run #6: crashed: WARNING: ODEBUG bug in slave_kobj_release
run #7: crashed: WARNING: ODEBUG bug in slave_kobj_release
run #8: crashed: WARNING: ODEBUG bug in slave_kobj_release
run #9: crashed: WARNING: ODEBUG bug in slave_kobj_release
run #10: crashed: WARNING: ODEBUG bug in slave_kobj_release
run #11: crashed: WARNING: ODEBUG bug in slave_kobj_release
run #12: crashed: WARNING: ODEBUG bug in slave_kobj_release
run #13: crashed: WARNING: ODEBUG bug in slave_kobj_release
run #14: crashed: WARNING: ODEBUG bug in slave_kobj_release
run #15: crashed: WARNING: ODEBUG bug in slave_kobj_release
run #16: crashed: WARNING: ODEBUG bug in slave_kobj_release
run #17: crashed: WARNING: ODEBUG bug in slave_kobj_release
run #18: crashed: WARNING: ODEBUG bug in slave_kobj_release
run #19: crashed: WARNING: ODEBUG bug in slave_kobj_release
testing current HEAD a6b2dae3ee3a3f9f4db3fab5b4b9e493fecf4acd
testing commit a6b2dae3ee3a3f9f4db3fab5b4b9e493fecf4acd with gcc (GCC) 8.4.1 20210217
kernel signature: 7b1e3de0b5a9ef37f71be50aa6bf9fc5714f69a78788695c6d5fc7d14d3da435
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 30m29.412983541s (build: 17m30.043774397s, test: 12m32.401401819s)
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: hci2 command 0x0409 tx timeout
Bluetooth: hci1 command 0x0409 tx timeout
Bluetooth: hci4 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 0x041b tx timeout
Bluetooth: hci0 command 0x041b tx timeout
Bluetooth: hci5 command 0x041b tx timeout
Bluetooth: hci3 command 0x041b tx timeout
Bluetooth: hci4 command 0x041b tx timeout
Bluetooth: hci1 command 0x041b tx timeout
Bluetooth: hci1 command 0x040f tx timeout
Bluetooth: hci4 command 0x040f tx timeout
Bluetooth: hci3 command 0x040f tx timeout
Bluetooth: hci5 command 0x040f tx timeout
Bluetooth: hci0 command 0x040f tx timeout
Bluetooth: hci2 command 0x040f tx timeout
Bluetooth: hci2 command 0x0419 tx timeout
Bluetooth: hci0 command 0x0419 tx timeout
Bluetooth: hci5 command 0x0419 tx timeout
Bluetooth: hci3 command 0x0419 tx timeout
Bluetooth: hci4 command 0x0419 tx timeout
Bluetooth: hci1 command 0x0419 tx timeout
unregister_netdevice: waiting for ip6gre0 to become free. Usage count = -1