bisecting cause commit starting from 2339e91d0e6609e17943a0ab3c3c8c4044760c05 building syzkaller on 2103a236f19bebcfb1c0cff08feea6e93b3af7b3 testing commit 2339e91d0e6609e17943a0ab3c3c8c4044760c05 with gcc (GCC) 8.1.0 run #0: crashed: WARNING: ODEBUG bug in netdev_freemem run #1: basic kernel testing failed: failed to copy test binary to VM: failed to run ["scp" "-P" "52453" "-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-executor363765975" "root@localhost:/syz-executor363765975"]: exit status 1 ssh: connect to host localhost port 52453: Connection timed out lost connection run #2: basic kernel testing failed: failed to copy test binary to VM: failed to run ["scp" "-P" "51412" "-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-executor048019530" "root@localhost:/syz-executor048019530"]: exit status 1 ssh: connect to host localhost port 51412: Connection timed out lost connection run #3: basic kernel testing failed: failed to copy test binary to VM: failed to run ["scp" "-P" "58573" "-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-executor754732833" "root@localhost:/syz-executor754732833"]: exit status 1 ssh: connect to host localhost port 58573: Connection timed out lost connection run #4: basic kernel testing failed: failed to copy test binary to VM: failed to run ["scp" "-P" "24008" "-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-executor338608140" "root@localhost:/syz-executor338608140"]: exit status 1 ssh: connect to host localhost port 24008: Connection timed out lost connection run #5: basic kernel testing failed: failed to copy test binary to VM: failed to run ["scp" "-P" "47083" "-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-executor968352763" "root@localhost:/syz-executor968352763"]: exit status 1 ssh: connect to host localhost port 47083: Connection timed out lost connection run #6: basic kernel testing failed: failed to copy test binary to VM: failed to run ["scp" "-P" "20782" "-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-executor213657374" "root@localhost:/syz-executor213657374"]: exit status 1 ssh: connect to host localhost port 20782: Connection timed out lost connection run #7: basic kernel testing failed: failed to copy test binary to VM: failed to run ["scp" "-P" "38182" "-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-executor625418725" "root@localhost:/syz-executor625418725"]: exit status 1 ssh: connect to host localhost port 38182: Connection timed out lost connection testing release v4.20 testing commit 8fe28cb58bcb235034b64cbbb7550a8a43fd88be with gcc (GCC) 8.1.0 run #0: crashed: WARNING: ODEBUG bug in netdev_freemem run #1: crashed: INFO: rcu detected stall in corrupted run #2: basic kernel testing failed: failed to copy test binary to VM: failed to run ["scp" "-P" "17927" "-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-executor620681010" "root@localhost:/syz-executor620681010"]: exit status 1 ssh: connect to host localhost port 17927: Connection timed out lost connection run #3: OK run #4: basic kernel testing failed: failed to copy test binary to VM: failed to run ["scp" "-P" "45729" "-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-executor077425385" "root@localhost:/syz-executor077425385"]: exit status 1 ssh: connect to host localhost port 45729: Connection timed out lost connection run #5: basic kernel testing failed: failed to copy test binary to VM: failed to run ["scp" "-P" "65306" "-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-executor736920323" "root@localhost:/syz-executor736920323"]: exit status 1 ssh: connect to host localhost port 65306: Connection timed out lost connection run #6: OK run #7: basic kernel testing failed: failed to copy test binary to VM: failed to run ["scp" "-P" "18856" "-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-executor338179206" "root@localhost:/syz-executor338179206"]: exit status 1 ssh: connect to host localhost port 18856: Connection timed out lost connection testing release v4.19 testing commit 84df9525b0c27f3ebc2ebb1864fa62a97fdedb7d with gcc (GCC) 8.1.0 run #0: crashed: INFO: rcu detected stall in sys_sendfile64 run #1: basic kernel testing failed: failed to copy test binary to VM: failed to run ["scp" "-P" "6225" "-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-executor224463784" "root@localhost:/syz-executor224463784"]: exit status 1 ssh: connect to host localhost port 6225: Connection timed out lost connection run #2: basic kernel testing failed: failed to copy test binary to VM: failed to run ["scp" "-P" "34103" "-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-executor093920487" "root@localhost:/syz-executor093920487"]: exit status 1 ssh: connect to host localhost port 34103: Connection timed out lost connection run #3: basic kernel testing failed: failed to copy test binary to VM: failed to run ["scp" "-P" "28127" "-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-executor706455322" "root@localhost:/syz-executor706455322"]: exit status 1 ssh: connect to host localhost port 28127: Connection timed out lost connection run #4: basic kernel testing failed: failed to copy test binary to VM: failed to run ["scp" "-P" "4721" "-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-executor426752945" "root@localhost:/syz-executor426752945"]: exit status 1 ssh: connect to host localhost port 4721: Connection timed out lost connection run #5: basic kernel testing failed: failed to copy test binary to VM: failed to run ["scp" "-P" "14071" "-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-executor194497803" "root@localhost:/syz-executor194497803"]: exit status 1 ssh: connect to host localhost port 14071: Connection timed out lost connection run #6: OK run #7: OK testing release v4.18 testing commit 94710cac0ef4ee177a63b5227664b38c95bbf703 with gcc (GCC) 8.1.0 run #0: crashed: INFO: rcu detected stall in corrupted run #1: basic kernel testing failed: failed to copy test binary to VM: failed to run ["scp" "-P" "22728" "-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-executor427191663" "root@localhost:/syz-executor427191663"]: exit status 1 ssh: connect to host localhost port 22728: Connection timed out lost connection run #2: basic kernel testing failed: failed to copy test binary to VM: failed to run ["scp" "-P" "15867" "-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-executor560701442" "root@localhost:/syz-executor560701442"]: exit status 1 ssh: connect to host localhost port 15867: Connection timed out lost connection run #3: OK run #4: crashed: INFO: rcu detected stall in sys_sendfile64 run #5: basic kernel testing failed: failed to copy test binary to VM: failed to run ["scp" "-P" "4531" "-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-executor101795705" "root@localhost:/syz-executor101795705"]: exit status 1 ssh: connect to host localhost port 4531: Connection timed out lost connection run #6: OK run #7: OK testing release v4.17 testing commit 29dcea88779c856c7dc92040a0c01233263101d4 with gcc (GCC) 8.1.0 run #0: crashed: INFO: rcu detected stall in corrupted run #1: crashed: INFO: rcu detected stall in corrupted run #2: basic kernel testing failed: failed to copy test binary to VM: failed to run ["scp" "-P" "49097" "-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-executor984510909" "root@localhost:/syz-executor984510909"]: exit status 1 ssh: connect to host localhost port 49097: Connection timed out lost connection run #3: basic kernel testing failed: failed to copy test binary to VM: failed to run ["scp" "-P" "56574" "-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-executor097419256" "root@localhost:/syz-executor097419256"]: exit status 1 ssh: connect to host localhost port 56574: Connection timed out lost connection run #4: basic kernel testing failed: failed to copy test binary to VM: failed to run ["scp" "-P" "1274" "-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-executor145237751" "root@localhost:/syz-executor145237751"]: exit status 1 ssh: connect to host localhost port 1274: Connection timed out lost connection run #5: basic kernel testing failed: failed to copy test binary to VM: failed to run ["scp" "-P" "10316" "-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-executor695935041" "root@localhost:/syz-executor695935041"]: exit status 1 ssh: connect to host localhost port 10316: Connection timed out lost connection run #6: basic kernel testing failed: failed to copy test binary to VM: failed to run ["scp" "-P" "21287" "-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-executor737687212" "root@localhost:/syz-executor737687212"]: exit status 1 ssh: connect to host localhost port 21287: Connection timed out lost connection run #7: OK testing release v4.16 testing commit 0adb32858b0bddf4ada5f364a84ed60b196dbcda 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" "13252" "-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-executor641302277" "root@localhost:/syz-executor641302277"]: exit status 1 ssh: connect to host localhost port 13252: Connection timed out lost connection run #2: basic kernel testing failed: failed to copy test binary to VM: failed to run ["scp" "-P" "49474" "-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-executor163652991" "root@localhost:/syz-executor163652991"]: exit status 1 ssh: connect to host localhost port 49474: Connection timed out lost connection run #3: basic kernel testing failed: failed to copy test binary to VM: failed to run ["scp" "-P" "55555" "-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-executor711501522" "root@localhost:/syz-executor711501522"]: exit status 1 ssh: connect to host localhost port 55555: Connection timed out lost connection run #4: basic kernel testing failed: failed to copy test binary to VM: failed to run ["scp" "-P" "13827" "-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-executor996776969" "root@localhost:/syz-executor996776969"]: exit status 1 ssh: connect to host localhost port 13827: Connection timed out lost connection run #5: basic kernel testing failed: failed to copy test binary to VM: failed to run ["scp" "-P" "7906" "-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-executor695770403" "root@localhost:/syz-executor695770403"]: exit status 1 ssh: connect to host localhost port 7906: Connection timed out lost connection run #6: basic kernel testing failed: failed to copy test binary to VM: failed to run ["scp" "-P" "13673" "-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-executor446882260" "root@localhost:/syz-executor446882260"]: exit status 1 ssh: connect to host localhost port 13673: Connection timed out lost connection run #7: OK # git bisect start v4.17 v4.16 Bisecting: 7380 revisions left to test after this (roughly 13 steps) [97b1255cb27c551d7c3c5c496d787da40772da99] mm,oom_reaper: check for MMF_OOM_SKIP before complaining testing commit 97b1255cb27c551d7c3c5c496d787da40772da99 with gcc (GCC) 8.1.0 run #0: crashed: INFO: rcu detected stall in ext4_file_write_iter run #1: basic kernel testing failed: failed to copy test binary to VM: failed to run ["scp" "-P" "64578" "-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-executor933379917" "root@localhost:/syz-executor933379917"]: exit status 1 ssh: connect to host localhost port 64578: Connection timed out lost connection run #2: basic kernel testing failed: failed to copy test binary to VM: failed to run ["scp" "-P" "53870" "-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-executor189398600" "root@localhost:/syz-executor189398600"]: exit status 1 ssh: connect to host localhost port 53870: Connection timed out lost connection run #3: basic kernel testing failed: failed to copy test binary to VM: failed to run ["scp" "-P" "22544" "-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-executor737642759" "root@localhost:/syz-executor737642759"]: exit status 1 ssh: connect to host localhost port 22544: Connection timed out lost connection run #4: basic kernel testing failed: failed to copy test binary to VM: failed to run ["scp" "-P" "30515" "-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-executor886085306" "root@localhost:/syz-executor886085306"]: exit status 1 ssh: connect to host localhost port 30515: Connection timed out lost connection run #5: basic kernel testing failed: failed to copy test binary to VM: failed to run ["scp" "-P" "22622" "-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-executor122125521" "root@localhost:/syz-executor122125521"]: exit status 1 ssh: connect to host localhost port 22622: Connection timed out lost connection run #6: basic kernel testing failed: failed to copy test binary to VM: failed to run ["scp" "-P" "44855" "-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-executor675564843" "root@localhost:/syz-executor675564843"]: exit status 1 ssh: connect to host localhost port 44855: Connection timed out lost connection run #7: OK # git bisect bad 97b1255cb27c551d7c3c5c496d787da40772da99 Bisecting: 4372 revisions left to test after this (roughly 12 steps) [bb2407a7219760926760f0448fddf00d625e5aec] Merge tag 'docs-4.17' of git://git.lwn.net/linux testing commit bb2407a7219760926760f0448fddf00d625e5aec with gcc (GCC) 8.1.0 run #0: crashed: INFO: rcu detected stall in corrupted run #1: OK run #2: basic kernel testing failed: failed to copy test binary to VM: failed to run ["scp" "-P" "45506" "-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-executor530888079" "root@localhost:/syz-executor530888079"]: exit status 1 ssh: connect to host localhost port 45506: Connection timed out lost connection run #3: OK run #4: basic kernel testing failed: failed to copy test binary to VM: failed to run ["scp" "-P" "53258" "-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-executor065886114" "root@localhost:/syz-executor065886114"]: exit status 1 ssh: connect to host localhost port 53258: Connection timed out lost connection run #5: basic kernel testing failed: failed to copy test binary to VM: failed to run ["scp" "-P" "15779" "-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-executor776907929" "root@localhost:/syz-executor776907929"]: exit status 1 ssh: connect to host localhost port 15779: Connection timed out lost connection run #6: OK run #7: OK # git bisect bad bb2407a7219760926760f0448fddf00d625e5aec Bisecting: 1469 revisions left to test after this (roughly 11 steps) [1c7095d2836baafd84e596dd34ba1a1293a4faa9] Merge airlied/drm-next into drm-misc-next testing commit 1c7095d2836baafd84e596dd34ba1a1293a4faa9 with gcc (GCC) 8.1.0 run #0: crashed: INFO: rcu detected stall in sendfile64 run #1: OK run #2: basic kernel testing failed: failed to copy test binary to VM: failed to run ["scp" "-P" "27085" "-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-executor955859608" "root@localhost:/syz-executor955859608"]: exit status 1 ssh: connect to host localhost port 27085: Connection timed out lost connection run #3: basic kernel testing failed: failed to copy test binary to VM: failed to run ["scp" "-P" "12167" "-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-executor067943703" "root@localhost:/syz-executor067943703"]: exit status 1 ssh: connect to host localhost port 12167: Connection timed out lost connection run #4: basic kernel testing failed: failed to copy test binary to VM: failed to run ["scp" "-P" "4583" "-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-executor970337162" "root@localhost:/syz-executor970337162"]: exit status 1 ssh: connect to host localhost port 4583: Connection timed out lost connection run #5: basic kernel testing failed: failed to copy test binary to VM: failed to run ["scp" "-P" "63433" "-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-executor631051617" "root@localhost:/syz-executor631051617"]: exit status 1 ssh: connect to host localhost port 63433: Connection timed out lost connection run #6: basic kernel testing failed: failed to copy test binary to VM: failed to run ["scp" "-P" "36136" "-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-executor199101499" "root@localhost:/syz-executor199101499"]: exit status 1 ssh: connect to host localhost port 36136: Connection timed out lost connection run #7: basic kernel testing failed: failed to copy test binary to VM: failed to run ["scp" "-P" "9238" "-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-executor903978828" "root@localhost:/syz-executor903978828"]: exit status 1 ssh: connect to host localhost port 9238: Connection timed out lost connection # git bisect bad 1c7095d2836baafd84e596dd34ba1a1293a4faa9 Bisecting: 760 revisions left to test after this (roughly 10 steps) [65ad7cac3866f5fa80dcef3e5048a839046d6a46] drm/amd/pp: Refine powerplay instance testing commit 65ad7cac3866f5fa80dcef3e5048a839046d6a46 with gcc (GCC) 8.1.0 run #0: basic kernel testing failed: failed to copy test binary to VM: failed to run ["scp" "-P" "54085" "-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-executor217762341" "root@localhost:/syz-executor217762341"]: exit status 1 ssh: connect to host localhost port 54085: Connection timed out lost connection run #1: OK run #2: basic kernel testing failed: failed to copy test binary to VM: failed to run ["scp" "-P" "7141" "-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-executor224875423" "root@localhost:/syz-executor224875423"]: exit status 1 ssh: connect to host localhost port 7141: Connection timed out lost connection run #3: basic kernel testing failed: failed to copy test binary to VM: failed to run ["scp" "-P" "60672" "-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-executor456593522" "root@localhost:/syz-executor456593522"]: exit status 1 ssh: connect to host localhost port 60672: Connection timed out lost connection run #4: basic kernel testing failed: failed to copy test binary to VM: failed to run ["scp" "-P" "31013" "-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-executor703214889" "root@localhost:/syz-executor703214889"]: exit status 1 ssh: connect to host localhost port 31013: Connection timed out lost connection run #5: basic kernel testing failed: failed to copy test binary to VM: failed to run ["scp" "-P" "31167" "-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-executor845493059" "root@localhost:/syz-executor845493059"]: exit status 1 ssh: connect to host localhost port 31167: Connection timed out lost connection run #6: basic kernel testing failed: failed to copy test binary to VM: failed to run ["scp" "-P" "40600" "-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-executor363654598" "root@localhost:/syz-executor363654598"]: exit status 1 ssh: connect to host localhost port 40600: Connection timed out lost connection run #7: OK # git bisect good 65ad7cac3866f5fa80dcef3e5048a839046d6a46 Bisecting: 421 revisions left to test after this (roughly 9 steps) [6fa7324ac5489ad43c4b6351355b869bc5458bef] Merge tag 'drm-amdkfd-next-2018-03-11' of git://people.freedesktop.org/~gabbayo/linux into drm-next testing commit 6fa7324ac5489ad43c4b6351355b869bc5458bef with gcc (GCC) 8.1.0 run #0: crashed: INFO: rcu detected stall in corrupted run #1: crashed: INFO: rcu detected stall in sendfile64 run #2: basic kernel testing failed: failed to copy test binary to VM: failed to run ["scp" "-P" "29085" "-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-executor704290536" "root@localhost:/syz-executor704290536"]: exit status 1 ssh: connect to host localhost port 29085: Connection timed out lost connection run #3: basic kernel testing failed: failed to copy test binary to VM: failed to run ["scp" "-P" "18790" "-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-executor103430951" "root@localhost:/syz-executor103430951"]: exit status 1 ssh: connect to host localhost port 18790: Connection timed out lost connection run #4: basic kernel testing failed: failed to copy test binary to VM: failed to run ["scp" "-P" "52954" "-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-executor160436721" "root@localhost:/syz-executor160436721"]: exit status 1 ssh: connect to host localhost port 52954: Connection timed out lost connection run #5: basic kernel testing failed: failed to copy test binary to VM: failed to run ["scp" "-P" "62594" "-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-executor513431196" "root@localhost:/syz-executor513431196"]: exit status 1 ssh: connect to host localhost port 62594: Connection timed out lost connection run #6: OK run #7: basic kernel testing failed: failed to copy test binary to VM: failed to run ["scp" "-P" "43375" "-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-executor561934667" "root@localhost:/syz-executor561934667"]: exit status 1 ssh: connect to host localhost port 43375: Connection timed out lost connection # git bisect bad 6fa7324ac5489ad43c4b6351355b869bc5458bef Bisecting: 164 revisions left to test after this (roughly 7 steps) [f073d78eeb8efd85718e611c15f9a78647751dea] Merge tag 'drm-intel-next-2018-02-21' of git://anongit.freedesktop.org/drm/drm-intel into drm-next testing commit f073d78eeb8efd85718e611c15f9a78647751dea with gcc (GCC) 8.1.0 run #0: crashed: INFO: rcu detected stall in ext4_file_write_iter run #1: crashed: INFO: rcu detected stall in corrupted run #2: basic kernel testing failed: failed to copy test binary to VM: failed to run ["scp" "-P" "33348" "-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-executor910231477" "root@localhost:/syz-executor910231477"]: exit status 1 ssh: connect to host localhost port 33348: Connection timed out lost connection run #3: OK run #4: basic kernel testing failed: failed to copy test binary to VM: failed to run ["scp" "-P" "59924" "-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-executor173646255" "root@localhost:/syz-executor173646255"]: exit status 1 ssh: connect to host localhost port 59924: Connection timed out lost connection run #5: basic kernel testing failed: failed to copy test binary to VM: failed to run ["scp" "-P" "54775" "-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-executor421699012" "root@localhost:/syz-executor421699012"]: exit status 1 ssh: connect to host localhost port 54775: Connection timed out lost connection run #6: OK run #7: OK # git bisect bad f073d78eeb8efd85718e611c15f9a78647751dea Bisecting: 86 revisions left to test after this (roughly 7 steps) [9038aa480d34c1f87dccd4afb944bb3c7cce8ec7] drm/radeon: Handle 64-bit return from drm_crtc_vblank_count() testing commit 9038aa480d34c1f87dccd4afb944bb3c7cce8ec7 with gcc (GCC) 8.1.0 run #0: basic kernel testing failed: failed to copy test binary to VM: failed to run ["scp" "-P" "5847" "-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-executor857863574" "root@localhost:/syz-executor857863574"]: exit status 1 ssh: connect to host localhost port 5847: Connection timed out lost connection run #1: basic kernel testing failed: failed to copy test binary to VM: failed to run ["scp" "-P" "6742" "-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-executor321917949" "root@localhost:/syz-executor321917949"]: exit status 1 ssh: connect to host localhost port 6742: Connection timed out lost connection run #2: basic kernel testing failed: failed to copy test binary to VM: failed to run ["scp" "-P" "45802" "-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-executor576649016" "root@localhost:/syz-executor576649016"]: exit status 1 ssh: connect to host localhost port 45802: Connection timed out lost connection run #3: basic kernel testing failed: failed to copy test binary to VM: failed to run ["scp" "-P" "21178" "-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-executor505018167" "root@localhost:/syz-executor505018167"]: exit status 1 ssh: connect to host localhost port 21178: Connection timed out lost connection run #4: basic kernel testing failed: failed to copy test binary to VM: failed to run ["scp" "-P" "62815" "-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-executor292724010" "root@localhost:/syz-executor292724010"]: exit status 1 ssh: connect to host localhost port 62815: Connection timed out lost connection run #5: basic kernel testing failed: failed to copy test binary to VM: failed to run ["scp" "-P" "29333" "-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-executor255788673" "root@localhost:/syz-executor255788673"]: exit status 1 ssh: connect to host localhost port 29333: Connection timed out lost connection run #6: basic kernel testing failed: failed to copy test binary to VM: failed to run ["scp" "-P" "43849" "-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-executor999877612" "root@localhost:/syz-executor999877612"]: exit status 1 ssh: connect to host localhost port 43849: Connection timed out lost connection run #7: basic kernel testing failed: failed to copy test binary to VM: failed to run ["scp" "-P" "26412" "-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-executor828482651" "root@localhost:/syz-executor828482651"]: exit status 1 ssh: connect to host localhost port 26412: Connection timed out lost connection # git bisect skip 9038aa480d34c1f87dccd4afb944bb3c7cce8ec7 Bisecting: 86 revisions left to test after this (roughly 7 steps) [796ceb9269626afaed3b4955c40d2c3d7a8c5d01] drm: rcar-du: lvds: Fix LVDS startup on R-Car Gen3 testing commit 796ceb9269626afaed3b4955c40d2c3d7a8c5d01 with gcc (GCC) 8.1.0 run #0: basic kernel testing failed: failed to copy test binary to VM: failed to run ["scp" "-P" "26281" "-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-executor816990021" "root@localhost:/syz-executor816990021"]: exit status 1 ssh: connect to host localhost port 26281: Connection timed out lost connection run #1: OK run #2: basic kernel testing failed: failed to copy test binary to VM: failed to run ["scp" "-P" "26926" "-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-executor920818111" "root@localhost:/syz-executor920818111"]: exit status 1 ssh: connect to host localhost port 26926: Connection timed out lost connection run #3: basic kernel testing failed: failed to copy test binary to VM: failed to run ["scp" "-P" "64275" "-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-executor054150499" "root@localhost:/syz-executor054150499"]: exit status 1 ssh: connect to host localhost port 64275: Connection timed out lost connection run #4: basic kernel testing failed: failed to copy test binary to VM: failed to run ["scp" "-P" "54364" "-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-executor349164308" "root@localhost:/syz-executor349164308"]: exit status 1 ssh: connect to host localhost port 54364: Connection timed out lost connection run #5: OK run #6: basic kernel testing failed: failed to copy test binary to VM: failed to run ["scp" "-P" "42120" "-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-executor898112870" "root@localhost:/syz-executor898112870"]: exit status 1 ssh: connect to host localhost port 42120: Connection timed out lost connection run #7: OK # git bisect good 796ceb9269626afaed3b4955c40d2c3d7a8c5d01 Bisecting: 82 revisions left to test after this (roughly 6 steps) [3b765c0b765d2cc03ef02276f1af2658a03b3ced] drm/vblank: Data type fixes for 64-bit vblank sequences. testing commit 3b765c0b765d2cc03ef02276f1af2658a03b3ced with gcc (GCC) 8.1.0 run #0: crashed: INFO: rcu detected stall in corrupted run #1: basic kernel testing failed: failed to copy test binary to VM: failed to run ["scp" "-P" "56486" "-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-executor956310408" "root@localhost:/syz-executor956310408"]: exit status 1 ssh: connect to host localhost port 56486: Connection timed out lost connection run #2: basic kernel testing failed: failed to copy test binary to VM: failed to run ["scp" "-P" "32666" "-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-executor356070215" "root@localhost:/syz-executor356070215"]: exit status 1 ssh: connect to host localhost port 32666: Connection timed out lost connection run #3: basic kernel testing failed: failed to copy test binary to VM: failed to run ["scp" "-P" "5836" "-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-executor481548282" "root@localhost:/syz-executor481548282"]: exit status 1 ssh: connect to host localhost port 5836: Connection timed out lost connection run #4: basic kernel testing failed: failed to copy test binary to VM: failed to run ["scp" "-P" "11534" "-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-executor154365803" "root@localhost:/syz-executor154365803"]: exit status 1 ssh: connect to host localhost port 11534: Connection timed out lost connection run #5: basic kernel testing failed: failed to copy test binary to VM: failed to run ["scp" "-P" "5099" "-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-executor421658940" "root@localhost:/syz-executor421658940"]: exit status 1 ssh: connect to host localhost port 5099: Connection timed out lost connection run #6: OK run #7: basic kernel testing failed: failed to copy test binary to VM: failed to run ["scp" "-P" "37909" "-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-executor333659598" "root@localhost:/syz-executor333659598"]: exit status 1 ssh: connect to host localhost port 37909: Connection timed out lost connection # git bisect bad 3b765c0b765d2cc03ef02276f1af2658a03b3ced Bisecting: 40 revisions left to test after this (roughly 5 steps) [3758d96808b9942de9272079d5a24c6c0d2b6c7a] drm/i915: Fix incorrect comment testing commit 3758d96808b9942de9272079d5a24c6c0d2b6c7a with gcc (GCC) 8.1.0 run #0: crashed: INFO: rcu detected stall in corrupted run #1: OK run #2: basic kernel testing failed: failed to copy test binary to VM: failed to run ["scp" "-P" "57773" "-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-executor073899471" "root@localhost:/syz-executor073899471"]: exit status 1 ssh: connect to host localhost port 57773: Connection timed out lost connection run #3: basic kernel testing failed: failed to copy test binary to VM: failed to run ["scp" "-P" "60526" "-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-executor876047586" "root@localhost:/syz-executor876047586"]: exit status 1 ssh: connect to host localhost port 60526: Connection timed out lost connection run #4: basic kernel testing failed: failed to copy test binary to VM: failed to run ["scp" "-P" "22714" "-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-executor097809508" "root@localhost:/syz-executor097809508"]: exit status 1 ssh: connect to host localhost port 22714: Connection timed out lost connection run #5: OK run #6: basic kernel testing failed: failed to copy test binary to VM: failed to run ["scp" "-P" "57404" "-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-executor102953587" "root@localhost:/syz-executor102953587"]: exit status 1 ssh: connect to host localhost port 57404: Connection timed out lost connection run #7: OK # git bisect bad 3758d96808b9942de9272079d5a24c6c0d2b6c7a Bisecting: 20 revisions left to test after this (roughly 4 steps) [a5a5ae2abe3ba776da8c384e362dc0d2b7dc93d7] drm/i915: Fix kerneldoc warnings for i915_gem_userptr testing commit a5a5ae2abe3ba776da8c384e362dc0d2b7dc93d7 with gcc (GCC) 8.1.0 run #0: basic kernel testing failed: failed to copy test binary to VM: failed to run ["scp" "-P" "59928" "-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-executor630375896" "root@localhost:/syz-executor630375896"]: exit status 1 ssh: connect to host localhost port 59928: Connection timed out lost connection run #1: basic kernel testing failed: failed to copy test binary to VM: failed to run ["scp" "-P" "53959" "-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-executor970446167" "root@localhost:/syz-executor970446167"]: exit status 1 ssh: connect to host localhost port 53959: Connection timed out lost connection run #2: basic kernel testing failed: failed to copy test binary to VM: failed to run ["scp" "-P" "29902" "-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-executor014971594" "root@localhost:/syz-executor014971594"]: exit status 1 ssh: connect to host localhost port 29902: Connection timed out lost connection run #3: basic kernel testing failed: failed to copy test binary to VM: failed to run ["scp" "-P" "42172" "-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-executor206155681" "root@localhost:/syz-executor206155681"]: exit status 1 ssh: connect to host localhost port 42172: Connection timed out lost connection run #4: OK run #5: basic kernel testing failed: failed to copy test binary to VM: failed to run ["scp" "-P" "8924" "-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-executor349809275" "root@localhost:/syz-executor349809275"]: exit status 1 ssh: connect to host localhost port 8924: Connection timed out lost connection run #6: basic kernel testing failed: failed to copy test binary to VM: failed to run ["scp" "-P" "27663" "-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-executor876022174" "root@localhost:/syz-executor876022174"]: exit status 1 ssh: connect to host localhost port 27663: Connection timed out lost connection run #7: OK # git bisect good a5a5ae2abe3ba776da8c384e362dc0d2b7dc93d7 Bisecting: 10 revisions left to test after this (roughly 3 steps) [8e47b4b65bbd646b4d8be28e1ffff7a684f60fe6] drm/i915: Remove redundant check on execlists interrupt testing commit 8e47b4b65bbd646b4d8be28e1ffff7a684f60fe6 with gcc (GCC) 8.1.0 run #0: crashed: INFO: rcu detected stall in corrupted run #1: crashed: INFO: rcu detected stall in corrupted run #2: OK run #3: basic kernel testing failed: failed to copy test binary to VM: failed to run ["scp" "-P" "40377" "-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-executor067039081" "root@localhost:/syz-executor067039081"]: exit status 1 ssh: connect to host localhost port 40377: Connection timed out lost connection run #4: basic kernel testing failed: failed to copy test binary to VM: failed to run ["scp" "-P" "57579" "-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-executor442956212" "root@localhost:/syz-executor442956212"]: exit status 1 ssh: connect to host localhost port 57579: Connection timed out lost connection run #5: basic kernel testing failed: failed to copy test binary to VM: failed to run ["scp" "-P" "49364" "-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-executor187833606" "root@localhost:/syz-executor187833606"]: exit status 1 ssh: connect to host localhost port 49364: Connection timed out lost connection run #6: OK run #7: OK # git bisect bad 8e47b4b65bbd646b4d8be28e1ffff7a684f60fe6 Bisecting: 4 revisions left to test after this (roughly 2 steps) [204bcfef60d082f88dcb12051f5740cc92ed4dc9] drm/i915: Fix kerneldoc warnings in i915_gem_execbuffer testing commit 204bcfef60d082f88dcb12051f5740cc92ed4dc9 with gcc (GCC) 8.1.0 run #0: crashed: INFO: rcu detected stall in corrupted run #1: basic kernel testing failed: failed to copy test binary to VM: failed to run ["scp" "-P" "18403" "-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-executor836882472" "root@localhost:/syz-executor836882472"]: exit status 1 ssh: connect to host localhost port 18403: Connection timed out lost connection run #2: basic kernel testing failed: failed to copy test binary to VM: failed to run ["scp" "-P" "44413" "-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-executor506229095" "root@localhost:/syz-executor506229095"]: exit status 1 ssh: connect to host localhost port 44413: Connection timed out lost connection run #3: crashed: INFO: rcu detected stall in corrupted run #4: basic kernel testing failed: failed to copy test binary to VM: failed to run ["scp" "-P" "38214" "-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-executor198957466" "root@localhost:/syz-executor198957466"]: exit status 1 ssh: connect to host localhost port 38214: Connection timed out lost connection run #5: OK run #6: basic kernel testing failed: failed to copy test binary to VM: failed to run ["scp" "-P" "38987" "-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-executor879988700" "root@localhost:/syz-executor879988700"]: exit status 1 ssh: connect to host localhost port 38987: Connection timed out lost connection run #7: basic kernel testing failed: failed to copy test binary to VM: failed to run ["scp" "-P" "32921" "-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-executor263176587" "root@localhost:/syz-executor263176587"]: exit status 1 ssh: connect to host localhost port 32921: Connection timed out lost connection # git bisect bad 204bcfef60d082f88dcb12051f5740cc92ed4dc9 Bisecting: 1 revision left to test after this (roughly 1 step) [34e07e42c55aeaa78e93b057a6664e2ecde3fadb] drm/i915: Add missing kerneldoc for 'ent' in i915_driver_init_early testing commit 34e07e42c55aeaa78e93b057a6664e2ecde3fadb with gcc (GCC) 8.1.0 run #0: crashed: INFO: rcu detected stall in do_iter_write run #1: basic kernel testing failed: failed to copy test binary to VM: failed to run ["scp" "-P" "44377" "-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-executor181370869" "root@localhost:/syz-executor181370869"]: exit status 1 ssh: connect to host localhost port 44377: Connection timed out lost connection run #2: basic kernel testing failed: failed to copy test binary to VM: failed to run ["scp" "-P" "43150" "-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-executor647923920" "root@localhost:/syz-executor647923920"]: exit status 1 ssh: connect to host localhost port 43150: Connection timed out lost connection run #3: basic kernel testing failed: failed to copy test binary to VM: failed to run ["scp" "-P" "62555" "-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-executor648480751" "root@localhost:/syz-executor648480751"]: exit status 1 ssh: connect to host localhost port 62555: Connection timed out lost connection run #4: basic kernel testing failed: failed to copy test binary to VM: failed to run ["scp" "-P" "27812" "-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-executor129387001" "root@localhost:/syz-executor129387001"]: exit status 1 ssh: connect to host localhost port 27812: Connection timed out lost connection run #5: basic kernel testing failed: failed to copy test binary to VM: failed to run ["scp" "-P" "64893" "-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-executor071653124" "root@localhost:/syz-executor071653124"]: exit status 1 ssh: connect to host localhost port 64893: Connection timed out lost connection run #6: basic kernel testing failed: failed to copy test binary to VM: failed to run ["scp" "-P" "29247" "-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-executor857321619" "root@localhost:/syz-executor857321619"]: exit status 1 ssh: connect to host localhost port 29247: Connection timed out lost connection run #7: OK # git bisect bad 34e07e42c55aeaa78e93b057a6664e2ecde3fadb Bisecting: 0 revisions left to test after this (roughly 1 step) [3d4b7caf2ba2773e9beda85c5e031dfffc6644af] drm/i915: Remove lost comment from i915_gem_context testing commit 3d4b7caf2ba2773e9beda85c5e031dfffc6644af with gcc (GCC) 8.1.0 run #0: basic kernel testing failed: failed to copy test binary to VM: failed to run ["scp" "-P" "17320" "-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-executor034545213" "root@localhost:/syz-executor034545213"]: exit status 1 ssh: connect to host localhost port 17320: Connection timed out lost connection run #1: basic kernel testing failed: failed to copy test binary to VM: failed to run ["scp" "-P" "22702" "-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-executor196914808" "root@localhost:/syz-executor196914808"]: exit status 1 ssh: connect to host localhost port 22702: Connection timed out lost connection run #2: basic kernel testing failed: failed to copy test binary to VM: failed to run ["scp" "-P" "27405" "-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-executor414030711" "root@localhost:/syz-executor414030711"]: exit status 1 ssh: connect to host localhost port 27405: Connection timed out lost connection run #3: basic kernel testing failed: failed to copy test binary to VM: failed to run ["scp" "-P" "47327" "-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-executor160283242" "root@localhost:/syz-executor160283242"]: exit status 1 ssh: connect to host localhost port 47327: Connection timed out lost connection run #4: basic kernel testing failed: failed to copy test binary to VM: failed to run ["scp" "-P" "5631" "-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-executor533301953" "root@localhost:/syz-executor533301953"]: exit status 1 ssh: connect to host localhost port 5631: Connection timed out lost connection run #5: basic kernel testing failed: failed to copy test binary to VM: failed to run ["scp" "-P" "51588" "-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-executor225084204" "root@localhost:/syz-executor225084204"]: exit status 1 ssh: connect to host localhost port 51588: Connection timed out lost connection run #6: OK run #7: OK # git bisect good 3d4b7caf2ba2773e9beda85c5e031dfffc6644af 34e07e42c55aeaa78e93b057a6664e2ecde3fadb is the first bad commit commit 34e07e42c55aeaa78e93b057a6664e2ecde3fadb Author: Chris Wilson Date: Thu Feb 8 10:54:48 2018 +0000 drm/i915: Add missing kerneldoc for 'ent' in i915_driver_init_early drivers/gpu/drm/i915/i915_drv.c:891: warning: No description found for parameter 'ent' Signed-off-by: Chris Wilson Link: https://patchwork.freedesktop.org/patch/msgid/20180208105449.29880-1-chris@chris-wilson.co.uk Reviewed-by: Joonas Lahtinen :040000 040000 ad6179bf5f8d6fbc72ee6d2203b596d16d64c6cf ac765d22bc376b98cdfa799282d6394ce287fc0a M drivers revisions tested: 21, total time: 4h37m36.663757396s (build: 1h17m59.234285625s, test: 3h15m58.965941666s) first bad commit: 34e07e42c55aeaa78e93b057a6664e2ecde3fadb drm/i915: Add missing kerneldoc for 'ent' in i915_driver_init_early cc: ["airlied@linux.ie" "chris@chris-wilson.co.uk" "dri-devel@lists.freedesktop.org" "intel-gfx@lists.freedesktop.org" "jani.nikula@linux.intel.com" "joonas.lahtinen@linux.intel.com" "linux-kernel@vger.kernel.org" "rodrigo.vivi@intel.com"] crash: INFO: rcu detected stall in do_iter_write IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready 8021q: adding VLAN 0 to HW filter on device batadv0 IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready INFO: rcu_preempt detected stalls on CPUs/tasks: (detected by 0, t=10502 jiffies, g=1528, c=1527, q=464) All QSes seen, last rcu_preempt kthread activity 10502 (4294963821-4294953319), jiffies_till_next_fqs=1, root ->qsmask 0x0 syz-executor1 R running task 19256 7036 6724 0x00000000 Call Trace: sched_show_task.cold.83+0x270/0x2e7 kernel/sched/core.c:5198 print_other_cpu_stall.cold.76+0xa25/0xc12 kernel/rcu/tree.c:1564 check_cpu_stall.isra.55+0x6f3/0xe90 kernel/rcu/tree.c:1682 __rcu_pending kernel/rcu/tree.c:3440 [inline] rcu_pending kernel/rcu/tree.c:3502 [inline] rcu_check_callbacks+0x2b2/0xfd0 kernel/rcu/tree.c:2842 update_process_times+0x2d/0x70 kernel/time/timer.c:1628 tick_sched_handle+0xa0/0x180 kernel/time/tick-sched.c:162 tick_sched_timer+0x42/0x130 kernel/time/tick-sched.c:1194 __run_hrtimer kernel/time/hrtimer.c:1211 [inline] __hrtimer_run_queues+0x415/0x11b0 kernel/time/hrtimer.c:1275 hrtimer_interrupt+0x1e2/0x690 kernel/time/hrtimer.c:1309 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1025 [inline] smp_apic_timer_interrupt+0x185/0x7c0 arch/x86/kernel/apic/apic.c:1050 apic_timer_interrupt+0xa9/0xb0 arch/x86/entry/entry_64.S:926 RIP: 0010:fsnotify+0x6e/0x1100 fs/notify/fsnotify.c:277 RSP: 0018:ffff88001892f7f0 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff11 RAX: ffffed0003125f0a RBX: dffffc0000000000 RCX: 0000000000000001 RDX: ffff88007dfcfa50 RSI: 0000000000000002 RDI: ffff8800741da8b0 RBP: ffff88001892f8d8 R08: 0000000000000000 R09: 0000000000000000 R10: a6eb4e29b548892a R11: ffff88002a276000 R12: ffff8800741da8b0 R13: 0000000000000030 R14: ffff88007dfcfa50 R15: ffff8800742f0b00 fsnotify_modify include/linux/fsnotify.h:207 [inline] do_iter_write+0x2b6/0x5f0 fs/read_write.c:936 vfs_iter_write+0x77/0xb0 fs/read_write.c:945 iter_file_splice_write+0x8f1/0x1030 fs/splice.c:749 do_splice_from fs/splice.c:851 [inline] direct_splice_actor+0x128/0x190 fs/splice.c:1018 splice_direct_to_actor+0x310/0x8d0 fs/splice.c:973 do_splice_direct+0x2cc/0x400 fs/splice.c:1061 do_sendfile+0x60f/0xe00 fs/read_write.c:1413 SYSC_sendfile64 fs/read_write.c:1468 [inline] SyS_sendfile64+0xdf/0x190 fs/read_write.c:1460 entry_SYSCALL_64_fastpath+0x29/0xa0 RIP: 0033:0x457829 RSP: 002b:00007fa2474e5c88 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 RAX: ffffffffffffffda RBX: 000000000071bfa0 RCX: 0000000000457829 RDX: 0000000020000380 RSI: 0000000000000003 RDI: 0000000000000003 RBP: 0000000000000005 R08: 0000000000000000 R09: 0000000000000000 R10: 00008080fffffffe R11: 0000000000000246 R12: 0000000000000000 R13: 00000000004ab72e R14: 00000000006eaa58 R15: 00000000ffffffff rcu_preempt kthread starved for 10502 jiffies! g1528 c1527 f0x2 RCU_GP_WAIT_FQS(3) ->state=0x0 ->cpu=0 rcu_preempt R running task 23192 9 2 0x80000000 Call Trace: context_switch kernel/sched/core.c:2799 [inline] __schedule+0x827/0x1fc0 kernel/sched/core.c:3375 schedule+0xf6/0x440 kernel/sched/core.c:3434 schedule_timeout+0x138/0x240 kernel/time/timer.c:1793 rcu_gp_kthread+0x7ad/0x1f40 kernel/rcu/tree.c:2314 kthread+0x34c/0x410 kernel/kthread.c:238 ret_from_fork+0x37/0x50 arch/x86/entry/entry_64.S:530 device bridge_slave_1 left promiscuous mode bridge0: port 2(bridge_slave_1) entered disabled state device bridge_slave_0 left promiscuous mode bridge0: port 1(bridge_slave_0) entered disabled state device hsr_slave_1 left promiscuous mode device hsr_slave_0 left promiscuous mode team0 (unregistering): Port device team_slave_1 removed team0 (unregistering): Port device team_slave_0 removed bond0 (unregistering): Releasing backup interface bond_slave_1 bond0 (unregistering): Releasing backup interface bond_slave_0 bond0 (unregistering): Released all slaves device bridge_slave_1 left promiscuous mode bridge0: port 2(bridge_slave_1) entered disabled state device bridge_slave_0 left promiscuous mode bridge0: port 1(bridge_slave_0) entered disabled state device bridge_slave_1 left promiscuous mode bridge0: port 2(bridge_slave_1) entered disabled state device bridge_slave_0 left promiscuous mode bridge0: port 1(bridge_slave_0) entered disabled state device bridge_slave_1 left promiscuous mode bridge0: port 2(bridge_slave_1) entered disabled state device bridge_slave_0 left promiscuous mode bridge0: port 1(bridge_slave_0) entered disabled state device bridge_slave_1 left promiscuous mode bridge0: port 2(bridge_slave_1) entered disabled state device bridge_slave_0 left promiscuous mode bridge0: port 1(bridge_slave_0) entered disabled state device bridge_slave_1 left promiscuous mode bridge0: port 2(bridge_slave_1) entered disabled state device bridge_slave_0 left promiscuous mode bridge0: port 1(bridge_slave_0) entered disabled state device hsr_slave_1 left promiscuous mode device hsr_slave_0 left promiscuous mode team0 (unregistering): Port device team_slave_1 removed team0 (unregistering): Port device team_slave_0 removed bond0 (unregistering): Releasing backup interface bond_slave_1 bond0 (unregistering): Releasing backup interface bond_slave_0 bond0 (unregistering): Released all slaves device hsr_slave_1 left promiscuous mode device hsr_slave_0 left promiscuous mode team0 (unregistering): Port device team_slave_1 removed team0 (unregistering): Port device team_slave_0 removed bond0 (unregistering): Releasing backup interface bond_slave_1 bond0 (unregistering): Releasing backup interface bond_slave_0 bond0 (unregistering): Released all slaves device hsr_slave_1 left promiscuous mode device hsr_slave_0 left promiscuous mode