bisecting fixing commit since 3f2ecb86cb909da0b9157fd2952ad79924cbe5ae
building syzkaller on 04201c0669446145fd9c347c5538da0ca13ff29b
testing commit 3f2ecb86cb909da0b9157fd2952ad79924cbe5ae
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 1d73a7d9ecf510e2e364698aa88d0415a536efe6adb857faa5f19c573849a1d5
run #0: crashed: WARNING: ODEBUG bug in slave_kobj_release
run #1: crashed: WARNING in process_one_work
run #2: crashed: WARNING: ODEBUG bug in slave_kobj_release
run #3: crashed: WARNING: ODEBUG bug in slave_kobj_release
run #4: crashed: WARNING: ODEBUG bug in slave_kobj_release
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 66722c42ec916e92cadda46316f8f6e3fdcaedc6
testing commit 66722c42ec916e92cadda46316f8f6e3fdcaedc6
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 43e90bffd69b09850be4cd94849b8b649deeeaff54d9f16babb88c2935c2d6a0
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 28m42.056831146s (build: 15m15.025359107s, test: 12m59.340764498s)
the crash still happens on HEAD
commit msg: Linux 4.14.256
crash: unregister_netdevice: waiting for DEV to become free
Bluetooth: hci0 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
unregister_netdevice: waiting for ip6gre0 to become free. Usage count = -1
Bluetooth: hci2 command 0x041b tx timeout
Bluetooth: hci1 command 0x041b tx timeout
Bluetooth: hci0 command 0x041b tx timeout
Bluetooth: hci3 command 0x041b tx timeout
Bluetooth: hci5 command 0x041b tx timeout
Bluetooth: hci4 command 0x041b tx timeout
Bluetooth: hci0 command 0x040f tx timeout
Bluetooth: hci1 command 0x040f tx timeout
Bluetooth: hci2 command 0x040f tx timeout
Bluetooth: hci4 command 0x040f tx timeout
Bluetooth: hci3 command 0x040f tx timeout
Bluetooth: hci5 command 0x040f tx timeout
Bluetooth: hci2 command 0x0419 tx timeout
Bluetooth: hci0 command 0x0419 tx timeout
Bluetooth: hci1 command 0x0419 tx timeout
Bluetooth: hci5 command 0x0419 tx timeout
Bluetooth: hci3 command 0x0419 tx timeout
Bluetooth: hci4 command 0x0419 tx timeout