bisecting cause commit starting from 9673b4aa71cae3c1a47a3cdc18ddbfe12f5380b9 building syzkaller on 2103a236f19bebcfb1c0cff08feea6e93b3af7b3 testing commit 9673b4aa71cae3c1a47a3cdc18ddbfe12f5380b9 with gcc (GCC) 8.1.0 run #0: OK run #1: basic kernel testing failed: failed to copy test binary to VM: failed to run ["scp" "-P" "50260" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-i" "/usr/local/google/home/dvyukov/syzkaller/ci-bisect3/jobs/linux/workdir/image/key" "/tmp/syz-executor381805817" "root@localhost:/syz-executor381805817"]: exit status 1 ssh: connect to host localhost port 50260: Connection timed out lost connection run #2: OK run #3: basic kernel testing failed: failed to copy test binary to VM: failed to run ["scp" "-P" "38659" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-i" "/usr/local/google/home/dvyukov/syzkaller/ci-bisect3/jobs/linux/workdir/image/key" "/tmp/syz-executor298853267" "root@localhost:/syz-executor298853267"]: exit status 1 ssh: connect to host localhost port 38659: Connection timed out lost connection run #4: basic kernel testing failed: failed to copy test binary to VM: failed to run ["scp" "-P" "27246" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-i" "/usr/local/google/home/dvyukov/syzkaller/ci-bisect3/jobs/linux/workdir/image/key" "/tmp/syz-executor549501910" "root@localhost:/syz-executor549501910"]: exit status 1 ssh: connect to host localhost port 27246: Connection timed out lost connection run #5: basic kernel testing failed: failed to copy test binary to VM: failed to run ["scp" "-P" "52784" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-i" "/usr/local/google/home/dvyukov/syzkaller/ci-bisect3/jobs/linux/workdir/image/key" "/tmp/syz-executor358858045" "root@localhost:/syz-executor358858045"]: exit status 1 ssh: connect to host localhost port 52784: Connection timed out lost connection run #6: OK run #7: OK run #8: basic kernel testing failed: failed to copy test binary to VM: failed to run ["scp" "-P" "46407" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-i" "/usr/local/google/home/dvyukov/syzkaller/ci-bisect3/jobs/linux/workdir/image/key" "/tmp/syz-executor212767351" "root@localhost:/syz-executor212767351"]: exit status 1 ssh: connect to host localhost port 46407: Connection timed out lost connection run #9: OK revisions tested: 1, total time: 15m3.201859251s (build: 5m11.497111651s, test: 9m21.804419258s) error: the crash wasn't reproduced on the original commit