ci2 starts bisection 2022-09-19 13:08:22.363401108 +0000 UTC m=+4726.729261759 bisecting fixing commit since 2b79150141611d3c6e1b55d4e70f49602482f0b8 building syzkaller on cba33199be220cbf61f7c0c8223d88a25a913d6f testing commit 2b79150141611d3c6e1b55d4e70f49602482f0b8 gcc compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: 68c177d47940148b83b9e46315abae26ed345a9ac59800823b7180dccb03f3e0 run #0: crashed: inconsistent lock state in sco_conn_del run #1: basic kernel testing failed: failed to copy binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "/tmp/syz-executor260137493" "root@10.128.15.200:./syz-executor260137493"]: exit status 1 Connection timed out during banner exchange Connection to 10.128.15.200 port 22 timed out lost connection run #2: crashed: inconsistent lock state in sco_conn_del run #3: crashed: inconsistent lock state in sco_conn_del run #4: crashed: inconsistent lock state in sco_conn_del 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_conn_del run #8: OK run #9: OK run #10: OK run #11: OK run #12: OK run #13: OK run #14: OK run #15: OK run #16: OK run #17: OK run #18: OK run #19: OK reproducer seems to be flaky testing current HEAD 5df8b473517762e16c5a97c25941897640926a63 testing commit 5df8b473517762e16c5a97c25941897640926a63 gcc compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: 2ebe15f14ac5e3d529ca0821df41bc04e3f843c4f6587469626613448913b2e2 all runs: crashed: unregister_netdevice: waiting for DEV to become free Reproducer flagged being flaky revisions tested: 2, total time: 36m16.032769062s (build: 19m58.791164532s, test: 15m47.92510654s) the crash still happens on HEAD commit msg: Linux 4.14.293 crash: unregister_netdevice: waiting for DEV to become free Bluetooth: hci3 command 0x0409 tx timeout Bluetooth: hci5 command 0x0409 tx timeout Bluetooth: hci1 command 0x0409 tx timeout Bluetooth: hci4 command 0x0409 tx timeout unregister_netdevice: waiting for ip6gre0 to become free. Usage count = -1 Bluetooth: hci0 command 0x0409 tx timeout Bluetooth: hci2 command 0x0409 tx timeout Bluetooth: hci5 command 0x041b tx timeout Bluetooth: hci4 command 0x041b tx timeout Bluetooth: hci1 command 0x041b tx timeout Bluetooth: hci3 command 0x041b tx timeout Bluetooth: hci2 command 0x041b tx timeout Bluetooth: hci0 command 0x041b tx timeout Bluetooth: hci3 command 0x040f tx timeout Bluetooth: hci5 command 0x040f tx timeout Bluetooth: hci1 command 0x040f tx timeout Bluetooth: hci4 command 0x040f tx timeout Bluetooth: hci2 command 0x040f tx timeout Bluetooth: hci0 command 0x040f tx timeout Bluetooth: hci4 command 0x0419 tx timeout Bluetooth: hci5 command 0x0419 tx timeout Bluetooth: hci3 command 0x0419 tx timeout Bluetooth: hci1 command 0x0419 tx timeout Bluetooth: hci2 command 0x0419 tx timeout Bluetooth: hci0 command 0x0419 tx timeout