ci2 starts bisection 2022-10-27 13:44:03.171146953 +0000 UTC m=+5231.492928294
bisecting fixing commit since 2b79150141611d3c6e1b55d4e70f49602482f0b8
building syzkaller on cba33199be220cbf61f7c0c8223d88a25a913d6f
ensuring issue is reproducible on original commit 2b79150141611d3c6e1b55d4e70f49602482f0b8

testing commit 2b79150141611d3c6e1b55d4e70f49602482f0b8 gcc
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: e6c652420060881017997f6aeeba0e1c242012b6903211dc52e4dd29674ba3ee
run #0: 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-executor414611393" "root@10.128.10.40:./syz-executor414611393"]: exit status 1
Connection timed out during banner exchange
Connection to 10.128.10.40 port 22 timed out
lost connection

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-executor2003000642" "root@10.128.10.48:./syz-executor2003000642"]: exit status 1
Connection timed out during banner exchange
Connection to 10.128.10.48 port 22 timed out
lost connection

run #2: 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-executor174238257" "root@10.128.0.201:./syz-executor174238257"]: exit status 1
Connection timed out during banner exchange
Connection to 10.128.0.201 port 22 timed out
lost connection

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: OK
run #8: crashed: inconsistent lock state in sco_conn_del
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: crashed: inconsistent lock state in sco_conn_del
reproducer seems to be flaky
testing current HEAD 41f36d7859a79e11a13ef63ced8ae8cc31537ba2
testing commit 41f36d7859a79e11a13ef63ced8ae8cc31537ba2 gcc
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: deb0803c7f05c8924bf432654359fda411184f4583551e5a4ab1259325eca3b2
all runs: crashed: unregister_netdevice: waiting for DEV to become free
Reproducer flagged being flaky
revisions tested: 2, total time: 34m46.808053946s (build: 18m37.343036977s, test: 15m43.592235768s)
the crash still happens on HEAD
commit msg: Linux 4.14.296
crash: unregister_netdevice: waiting for DEV to become free
unregister_netdevice: waiting for ip6gre0 to become free. Usage count = -1
Bluetooth: hci3 command 0x0409 tx timeout
Bluetooth: hci5 command 0x0409 tx timeout
Bluetooth: hci4 command 0x0409 tx timeout
Bluetooth: hci1 command 0x0409 tx timeout
Bluetooth: hci2 command 0x0409 tx timeout
Bluetooth: hci0 command 0x0409 tx timeout
Bluetooth: hci0 command 0x041b tx timeout
Bluetooth: hci2 command 0x041b tx timeout
Bluetooth: hci1 command 0x041b tx timeout
Bluetooth: hci4 command 0x041b tx timeout
Bluetooth: hci5 command 0x041b tx timeout
Bluetooth: hci3 command 0x041b tx timeout
Bluetooth: hci3 command 0x040f tx timeout
Bluetooth: hci5 command 0x040f tx timeout
Bluetooth: hci4 command 0x040f tx timeout
Bluetooth: hci1 command 0x040f tx timeout
Bluetooth: hci2 command 0x040f tx timeout
Bluetooth: hci0 command 0x040f tx timeout
Bluetooth: hci0 command 0x0419 tx timeout
Bluetooth: hci2 command 0x0419 tx timeout
Bluetooth: hci1 command 0x0419 tx timeout
Bluetooth: hci4 command 0x0419 tx timeout
Bluetooth: hci5 command 0x0419 tx timeout
Bluetooth: hci3 command 0x0419 tx timeout