bisecting fixing commit since 1752938529c614a8ed4432ecce6ebc95d3b87207
building syzkaller on fff20c29726829fd29b51617f8e155d2b19bc868
testing commit 1752938529c614a8ed4432ecce6ebc95d3b87207
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: bcd522beef8bec3632346a3b49a4eda3afedf8c6bd181e9cd0af947362beaac9
run #0: crashed: inconsistent lock state in sco_sock_timeout
run #1: crashed: inconsistent lock state in sco_conn_del
run #2: crashed: inconsistent lock state in sco_sock_timeout
run #3: crashed: inconsistent lock state in sco_conn_del
run #4: crashed: inconsistent lock state in sco_sock_timeout
run #5: crashed: inconsistent lock state in sco_conn_del
run #6: crashed: inconsistent lock state in sco_sock_timeout
run #7: crashed: inconsistent lock state in sco_sock_timeout
run #8: crashed: inconsistent lock state in sco_conn_del
run #9: crashed: inconsistent lock state in sco_conn_del
run #10: crashed: inconsistent lock state in sco_sock_timeout
run #11: crashed: inconsistent lock state in sco_conn_del
run #12: crashed: inconsistent lock state in sco_sock_timeout
run #13: crashed: inconsistent lock state in sco_conn_del
run #14: crashed: inconsistent lock state in sco_conn_del
run #15: crashed: inconsistent lock state in sco_sock_timeout
run #16: crashed: inconsistent lock state in sco_conn_del
run #17: crashed: inconsistent lock state in sco_conn_del
run #18: crashed: inconsistent lock state in sco_conn_del
run #19: OK
testing current HEAD 5f9f3b0057d5c5782985784ba0159b05b4083055
testing commit 5f9f3b0057d5c5782985784ba0159b05b4083055
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 4d3aa5df2f99847f9c7c5ed3b1880b02752e827e0d4bdede9653a4aceadde5ae
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 31m21.723563475s (build: 19m17.486662036s, test: 11m33.198997385s)
the crash still happens on HEAD
commit msg: Linux 4.14.255
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: hci3 command 0x0409 tx timeout
Bluetooth: hci2 command 0x0409 tx timeout
Bluetooth: hci4 command 0x0409 tx timeout
Bluetooth: hci5 command 0x0409 tx timeout
Bluetooth: hci0 command 0x0409 tx timeout
Bluetooth: hci1 command 0x0409 tx timeout
Bluetooth: hci1 command 0x041b tx timeout
Bluetooth: hci0 command 0x041b tx timeout
Bluetooth: hci5 command 0x041b tx timeout
Bluetooth: hci4 command 0x041b tx timeout
Bluetooth: hci2 command 0x041b tx timeout
Bluetooth: hci3 command 0x041b tx timeout
Bluetooth: hci3 command 0x040f tx timeout
Bluetooth: hci2 command 0x040f tx timeout
Bluetooth: hci4 command 0x040f tx timeout
Bluetooth: hci5 command 0x040f tx timeout
Bluetooth: hci0 command 0x040f tx timeout
Bluetooth: hci1 command 0x040f tx timeout
Bluetooth: hci1 command 0x0419 tx timeout
Bluetooth: hci0 command 0x0419 tx timeout
Bluetooth: hci5 command 0x0419 tx timeout
Bluetooth: hci4 command 0x0419 tx timeout
Bluetooth: hci2 command 0x0419 tx timeout
Bluetooth: hci3 command 0x0419 tx timeout