bisecting fixing commit since 1752938529c614a8ed4432ecce6ebc95d3b87207
building syzkaller on fff20c29726829fd29b51617f8e155d2b19bc868
testing commit 1752938529c614a8ed4432ecce6ebc95d3b87207
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: e16dee79a663359779e4c453fff49eda94d914d033bdec14b23fd45809b1e0e5
run #0: crashed: inconsistent lock state in sco_sock_timeout
run #1: crashed: inconsistent lock state in sco_sock_timeout
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_conn_del
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_conn_del
run #11: crashed: inconsistent lock state in sco_conn_del
run #12: crashed: inconsistent lock state in sco_conn_del
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: crashed: inconsistent lock state in sco_conn_del
testing current HEAD 21ad423fe5210f5aa50bd43f9ae99b655090a227
testing commit 21ad423fe5210f5aa50bd43f9ae99b655090a227
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: f8fb5dcc7aef02577d9cc9893902f9c2cfca7837127bc94e2651cde500d945fe
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 29m30.908123946s (build: 17m47.105435639s, test: 11m6.742996605s)
the crash still happens on HEAD
commit msg: Linux 4.14.265
crash: unregister_netdevice: waiting for DEV to become free
Bluetooth: hci4 command 0x0409 tx timeout
Bluetooth: hci1 command 0x0409 tx timeout
Bluetooth: hci0 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: hci5 command 0x041b tx timeout
Bluetooth: hci3 command 0x041b tx timeout
Bluetooth: hci0 command 0x041b tx timeout
Bluetooth: hci1 command 0x041b tx timeout
Bluetooth: hci4 command 0x041b tx timeout
Bluetooth: hci2 command 0x041b tx timeout
Bluetooth: hci2 command 0x040f tx timeout
Bluetooth: hci4 command 0x040f tx timeout
Bluetooth: hci1 command 0x040f tx timeout
Bluetooth: hci0 command 0x040f tx timeout
Bluetooth: hci3 command 0x040f tx timeout
Bluetooth: hci5 command 0x040f tx timeout
Bluetooth: hci5 command 0x0419 tx timeout
Bluetooth: hci3 command 0x0419 tx timeout
Bluetooth: hci0 command 0x0419 tx timeout
Bluetooth: hci1 command 0x0419 tx timeout
Bluetooth: hci4 command 0x0419 tx timeout
Bluetooth: hci2 command 0x0419 tx timeout