bisecting fixing commit since bd634aa6416382439890b78f7be0023020a86207
building syzkaller on 6a81331a1d4c744da9204d02ec88d558f7eea9c9
testing commit bd634aa6416382439890b78f7be0023020a86207
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 2c604081db655737ec9cc17b28fa933e0980d1492227e306c03aa95e9d0e35ba
run #0: crashed: WARNING: locking bug in __sb_end_write
run #1: crashed: WARNING: locking bug in __sb_end_write
run #2: crashed: WARNING: locking bug in __sb_end_write
run #3: crashed: WARNING: locking bug in __sb_end_write
run #4: crashed: WARNING: locking bug in __sb_end_write
run #5: crashed: WARNING: locking bug in __sb_end_write
run #6: crashed: WARNING: locking bug in __sb_end_write
run #7: crashed: WARNING: locking bug in __sb_end_write
run #8: crashed: WARNING: locking bug in __sb_end_write
run #9: crashed: WARNING: locking bug in __sb_end_write
run #10: crashed: WARNING: locking bug in __sb_end_write
run #11: crashed: WARNING: locking bug in __sb_end_write
run #12: crashed: WARNING: locking bug in __sb_end_write
run #13: OK
run #14: OK
run #15: OK
run #16: OK
run #17: OK
run #18: OK
run #19: OK
testing current HEAD 35c4ba160ab6133e548468bd0bd1109990dc7736
testing commit 35c4ba160ab6133e548468bd0bd1109990dc7736
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 3578a6bca22b957b9fae2dca1b114a2ba3936884621924e05e4356cad78582da
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 30m49.557398574s (build: 16m31.292318651s, test: 13m45.930469893s)
the crash still happens on HEAD
commit msg: Linux 4.14.245
crash: unregister_netdevice: waiting for DEV to become free
Bluetooth: hci2 command 0x0409 tx timeout
Bluetooth: hci1 command 0x0409 tx timeout
Bluetooth: hci0 command 0x0409 tx timeout
Bluetooth: hci5 command 0x0409 tx timeout
Bluetooth: hci3 command 0x0409 tx timeout
unregister_netdevice: waiting for ip6gre0 to become free. Usage count = -1
Bluetooth: hci3 command 0x041b tx timeout
Bluetooth: hci5 command 0x041b tx timeout
Bluetooth: hci0 command 0x041b tx timeout
Bluetooth: hci1 command 0x041b tx timeout
Bluetooth: hci2 command 0x041b tx timeout
Bluetooth: hci4 command 0x041b tx timeout
Bluetooth: hci4 command 0x040f tx timeout
Bluetooth: hci2 command 0x040f tx timeout
Bluetooth: hci1 command 0x040f tx timeout
Bluetooth: hci0 command 0x040f tx timeout
Bluetooth: hci5 command 0x040f tx timeout
Bluetooth: hci3 command 0x040f tx timeout
Bluetooth: hci3 command 0x0419 tx timeout
Bluetooth: hci5 command 0x0419 tx timeout
Bluetooth: hci0 command 0x0419 tx timeout
Bluetooth: hci1 command 0x0419 tx timeout
Bluetooth: hci2 command 0x0419 tx timeout
Bluetooth: hci4 command 0x0419 tx timeout