ci2 starts bisection 2022-07-21 10:07:22.306593395 +0000 UTC m=+9459.191936149 bisecting fixing commit since 2b79150141611d3c6e1b55d4e70f49602482f0b8 building syzkaller on cba33199be220cbf61f7c0c8223d88a25a913d6f testing commit 2b79150141611d3c6e1b55d4e70f49602482f0b8 compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: 2df25335b626b17a4f5a62a6b994b9bb89c31b793f2518ead60fcb8630363b3b run #0: crashed: inconsistent lock state in sco_conn_del run #1: crashed: inconsistent lock state in sco_conn_del run #2: crashed: inconsistent lock state in sco_conn_del run #3: 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-executor802108978" "root@10.128.10.28:./syz-executor802108978"]: exit status 1 Connection timed out during banner exchange Connection to 10.128.10.28 port 22 timed out lost connection run #4: 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-executor487357572" "root@10.128.10.30:./syz-executor487357572"]: exit status 1 Connection timed out during banner exchange Connection to 10.128.10.30 port 22 timed out lost connection 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_sock_timeout run #8: crashed: inconsistent lock state in sco_sock_timeout run #9: crashed: inconsistent lock state in sco_sock_timeout run #10: crashed: inconsistent lock state in sco_conn_del run #11: crashed: inconsistent lock state in sco_conn_del run #12: OK run #13: OK run #14: OK run #15: OK run #16: OK run #17: OK run #18: OK run #19: OK testing current HEAD 424a46ea058e160ae6fdd0693092ba79da533f26 testing commit 424a46ea058e160ae6fdd0693092ba79da533f26 compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: 7be75f29db1225564b0e6fddb7f19a22f617b8dba7d387b117a7a6767ff0a700 all runs: crashed: unregister_netdevice: waiting for DEV to become free revisions tested: 2, total time: 34m6.653892945s (build: 18m37.105364149s, test: 14m47.499116458s) the crash still happens on HEAD commit msg: Linux 4.14.288 crash: unregister_netdevice: waiting for DEV to become free Bluetooth: hci0 command 0x0409 tx timeout syz-executor.0 (7288) used greatest stack depth: 23784 bytes left can: request_module (can-proto-0) failed. 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: hci5 command 0x0409 tx timeout Bluetooth: hci0 command 0x0409 tx timeout Bluetooth: hci4 command 0x0409 tx timeout Bluetooth: hci1 command 0x0409 tx timeout Bluetooth: hci3 command 0x0409 tx timeout Bluetooth: hci2 command 0x0409 tx timeout unregister_netdevice: waiting for ip6gre0 to become free. Usage count = -1 Bluetooth: hci2 command 0x041b tx timeout Bluetooth: hci4 command 0x041b tx timeout Bluetooth: hci0 command 0x041b tx timeout Bluetooth: hci3 command 0x041b tx timeout Bluetooth: hci5 command 0x041b tx timeout Bluetooth: hci1 command 0x041b tx timeout Bluetooth: hci3 command 0x040f tx timeout Bluetooth: hci1 command 0x040f tx timeout Bluetooth: hci5 command 0x040f tx timeout Bluetooth: hci0 command 0x040f tx timeout Bluetooth: hci2 command 0x040f tx timeout Bluetooth: hci4 command 0x040f tx timeout Bluetooth: hci4 command 0x0419 tx timeout Bluetooth: hci2 command 0x0419 tx timeout Bluetooth: hci0 command 0x0419 tx timeout Bluetooth: hci5 command 0x0419 tx timeout Bluetooth: hci3 command 0x0419 tx timeout Bluetooth: hci1 command 0x0419 tx timeout