ci2 starts bisection 2022-09-04 08:23:17.215520599 +0000 UTC m=+65010.956091197
bisecting fixing commit since 6b6446efedb27c2766745a04f9b5d4449f51391d
building syzkaller on cba33199be220cbf61f7c0c8223d88a25a913d6f
testing commit 6b6446efedb27c2766745a04f9b5d4449f51391d gcc
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 0cc8f85a6d3e407fcb5dc4485df82c8d694aa206f941356ead88ff904856876a
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-executor4183951" "root@10.128.10.49:./syz-executor4183951"]: exit status 1
Connection timed out during banner exchange
Connection to 10.128.10.49 port 22 timed out
lost connection

run #1: crashed: INFO: task hung in rtnl_lock
run #2: crashed: INFO: task hung in rtnl_lock
run #3: crashed: INFO: task hung in rtnl_lock
run #4: crashed: INFO: task hung in rtnl_lock
run #5: crashed: INFO: task hung in rtnl_lock
run #6: crashed: INFO: task hung in rtnl_lock
run #7: crashed: INFO: task hung in rtnl_lock
run #8: crashed: INFO: task hung in rtnl_lock
run #9: crashed: INFO: task hung in rtnl_lock
run #10: crashed: INFO: task hung in rtnl_lock
run #11: crashed: INFO: task hung in rtnl_lock
run #12: crashed: INFO: task hung in rtnl_lock
run #13: crashed: INFO: task hung in rtnl_lock
run #14: crashed: INFO: task hung in rtnl_lock
run #15: crashed: INFO: task hung in rtnl_lock
run #16: crashed: INFO: task hung in rtnl_lock
run #17: crashed: INFO: task hung in rtnl_lock
run #18: crashed: INFO: task hung in rtnl_lock
run #19: crashed: INFO: task hung in rtnl_lock
testing current HEAD e548869f356fead9fdcb3562f52d2226574f4f41
testing commit e548869f356fead9fdcb3562f52d2226574f4f41 gcc
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 56e75dfc1d43edb55ab9e967e0d13369e0a112fd0d4071bfd00e8b22d43f899d
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 30m30.717920218s (build: 20m1.107572347s, test: 9m54.127592041s)
the crash still happens on HEAD
commit msg: Linux 4.14.291
crash: unregister_netdevice: waiting for DEV to become free
Bluetooth: hci0 command 0x0409 tx timeout
unregister_netdevice: waiting for ip6gre0 to become free. Usage count = -1
Bluetooth: hci0 command 0x041b tx timeout
Bluetooth: hci0 command 0x040f tx timeout
Bluetooth: hci0 command 0x0419 tx timeout