bisecting fixing commit since 1752938529c614a8ed4432ecce6ebc95d3b87207
building syzkaller on fff20c29726829fd29b51617f8e155d2b19bc868
testing commit 1752938529c614a8ed4432ecce6ebc95d3b87207
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 7a051ca03a199ca99f43df7bc1e5efe93734bfcf0ab35fd1093b3f60cf3ad35f
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_sock_timeout
run #6: crashed: inconsistent lock state in sco_sock_timeout
run #7: crashed: inconsistent lock state in sco_conn_del
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_sock_timeout
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_conn_del
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 162b95d01320370b80cb2d5724cea4ae538ac740
testing commit 162b95d01320370b80cb2d5724cea4ae538ac740
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: e399aa4c96589a74b1c50b995ad78796e42780596bdeab38e3a8c128f2aad065
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 33m6.230380837s (build: 20m37.983107299s, test: 11m52.659344419s)
the crash still happens on HEAD
commit msg: Linux 4.14.244
crash: unregister_netdevice: waiting for DEV to become free
Bluetooth: hci0 command 0x0409 tx timeout
Bluetooth: hci2 command 0x0409 tx timeout
Bluetooth: hci3 command 0x0409 tx timeout
Bluetooth: hci5 command 0x0409 tx timeout
Bluetooth: hci4 command 0x0409 tx timeout
unregister_netdevice: waiting for ip6gre0 to become free. Usage count = -1
Bluetooth: hci0 command 0x041b tx timeout
Bluetooth: hci1 command 0x041b tx timeout
Bluetooth: hci4 command 0x041b tx timeout
Bluetooth: hci3 command 0x041b tx timeout
Bluetooth: hci5 command 0x041b tx timeout
Bluetooth: hci2 command 0x041b tx timeout
Bluetooth: hci1 command 0x040f tx timeout
Bluetooth: hci0 command 0x040f tx timeout
Bluetooth: hci2 command 0x040f tx timeout
Bluetooth: hci3 command 0x040f tx timeout
Bluetooth: hci5 command 0x040f tx timeout
Bluetooth: hci4 command 0x040f tx timeout
Bluetooth: hci0 command 0x0419 tx timeout
Bluetooth: hci1 command 0x0419 tx timeout
Bluetooth: hci4 command 0x0419 tx timeout
Bluetooth: hci5 command 0x0419 tx timeout
Bluetooth: hci2 command 0x0419 tx timeout
Bluetooth: hci3 command 0x0419 tx timeout