ci2 starts bisection 2023-01-20 05:12:24.82357088 +0000 UTC m=+35862.182623892
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: af562eab8541ef042f3765341dd0b254ac1a504b47265297866b983078989dc3
run #0: OK
run #1: crashed: inconsistent lock state in sco_conn_del
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-executor3650494514" "root@10.128.15.193:./syz-executor3650494514"]: exit status 1
Connection timed out during banner exchange
Connection to 10.128.15.193 port 22 timed out
lost connection

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-executor3582929868" "root@10.128.15.197:./syz-executor3582929868"]: exit status 1
Connection timed out during banner exchange
Connection to 10.128.15.197 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-executor2404891729" "root@10.128.0.171:./syz-executor2404891729"]: exit status 1
Connection timed out during banner exchange
Connection to 10.128.0.171 port 22 timed out
lost connection

run #5: 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-executor2664043735" "root@10.128.15.221:./syz-executor2664043735"]: exit status 1
Connection timed out during banner exchange
Connection to 10.128.15.221 port 22 timed out
lost connection

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_sock_timeout
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 97205fccccdc5c145b77c434135ee8429b03ed98
testing commit 97205fccccdc5c145b77c434135ee8429b03ed98 gcc
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: c2ce143e40d1feab823b7e341ea278eaecf16f7cd88035308b9cba1f489a4adc
all runs: crashed: unregister_netdevice: waiting for DEV to become free
Reproducer flagged being flaky
revisions tested: 2, total time: 32m4.656145519s (build: 14m36.871029713s, test: 15m32.36256687s)
the crash still happens on HEAD
commit msg: Linux 4.14.303
crash: unregister_netdevice: waiting for DEV to become free
Bluetooth: hci1 command 0x0409 tx timeout
Bluetooth: hci5 command 0x0409 tx timeout
Bluetooth: hci0 command 0x0409 tx timeout
Bluetooth: hci2 command 0x0409 tx timeout
Bluetooth: hci4 command 0x0409 tx timeout
unregister_netdevice: waiting for ip6gre0 to become free. Usage count = -1
Bluetooth: hci4 command 0x041b tx timeout
Bluetooth: hci2 command 0x041b tx timeout
Bluetooth: hci5 command 0x041b tx timeout
Bluetooth: hci0 command 0x041b tx timeout
Bluetooth: hci1 command 0x041b tx timeout
Bluetooth: hci3 command 0x041b tx timeout
Bluetooth: hci5 command 0x040f tx timeout
Bluetooth: hci3 command 0x040f tx timeout
Bluetooth: hci1 command 0x040f tx timeout
Bluetooth: hci2 command 0x040f tx timeout
Bluetooth: hci0 command 0x040f tx timeout
Bluetooth: hci4 command 0x040f tx timeout
Bluetooth: hci4 command 0x0419 tx timeout
Bluetooth: hci0 command 0x0419 tx timeout
Bluetooth: hci2 command 0x0419 tx timeout
Bluetooth: hci1 command 0x0419 tx timeout
Bluetooth: hci5 command 0x0419 tx timeout
Bluetooth: hci3 command 0x0419 tx timeout