bisecting cause commit starting from 16bc1d5432ebd8e50e480eb300fd2b84afa28286
building syzkaller on 5dd8aee810424d4c1b06252f59ae59416fcacc55
testing commit 16bc1d5432ebd8e50e480eb300fd2b84afa28286 with gcc (GCC) 8.1.0
kernel signature: 0dcbd404eade4a5c5f875059b7f6ae8d115a029e4b32e4588a8289315ca5bcac
run #0: crashed: kernel BUG at include/linux/swapops.h:LINE!
run #1: crashed: kernel BUG at include/linux/swapops.h:LINE!
run #2: crashed: kernel BUG at include/linux/swapops.h:LINE!
run #3: crashed: kernel BUG at include/linux/swapops.h:LINE!
run #4: crashed: kernel BUG at include/linux/swapops.h:LINE!
run #5: crashed: kernel BUG at include/linux/swapops.h:LINE!
run #6: crashed: kernel BUG at include/linux/swapops.h:LINE!
run #7: crashed: kernel BUG at include/linux/swapops.h:LINE!
run #8: crashed: kernel BUG at include/linux/swapops.h:LINE!
run #9: OK
testing release v5.8
testing commit bcf876870b95592b52519ed4aafcf9d95999bc9c with gcc (GCC) 8.1.0
kernel signature: 93a138ca24e6fdb7238580a646e159b4581f1855efe89e076af435c2429418ec
run #0: crashed: kernel BUG at include/linux/swapops.h:LINE!
run #1: crashed: kernel BUG at include/linux/swapops.h:LINE!
run #2: crashed: kernel BUG at include/linux/swapops.h:LINE!
run #3: crashed: kernel BUG at include/linux/swapops.h:LINE!
run #4: crashed: kernel BUG at include/linux/swapops.h:LINE!
run #5: crashed: kernel BUG at include/linux/swapops.h:LINE!
run #6: crashed: kernel BUG at include/linux/swapops.h:LINE!
run #7: OK
run #8: OK
run #9: OK
testing release v5.7
testing commit 3d77e6a8804abcc0504c904bd6e5cdf3a5cf8162 with gcc (GCC) 8.1.0
kernel signature: 60eadf7a188262f32278f49fcf61fced184af87aa632bca10ed42827487bb669
run #0: crashed: kernel BUG at include/linux/mm.h:LINE!
run #1: crashed: kernel BUG at include/linux/mm.h:LINE!
run #2: crashed: kernel BUG at include/linux/mm.h:LINE!
run #3: crashed: kernel BUG at include/linux/mm.h:LINE!
run #4: crashed: kernel BUG at include/linux/mm.h:LINE!
run #5: crashed: kernel BUG at include/linux/swapops.h:LINE!
run #6: crashed: kernel BUG at include/linux/swapops.h:LINE!
run #7: crashed: kernel BUG at include/linux/mm.h:LINE!
run #8: crashed: kernel BUG at include/linux/swapops.h:LINE!
run #9: crashed: kernel BUG at include/linux/mm.h:LINE!
testing release v5.6
testing commit 7111951b8d4973bda27ff663f2cf18b663d15b48 with gcc (GCC) 8.1.0
kernel signature: 2b149f8b9b4919c13a0110f4f502ccac81f6603d431183bfdc2be83d0ee31d3c
run #0: basic kernel testing failed: failed to copy test 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" "-i" "/syzkaller/jobs/linux/workdir/image/key" "/tmp/syz-executor544596805" "root@10.128.15.203:./syz-executor544596805"]: exit status 1
Connection timed out during banner exchange
lost connection

run #1: basic kernel testing failed: failed to copy test 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" "-i" "/syzkaller/jobs/linux/workdir/image/key" "/tmp/syz-executor047753696" "root@10.128.15.194:./syz-executor047753696"]: exit status 1
Connection timed out during banner exchange
lost connection

run #2: basic kernel testing failed: failed to copy test 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" "-i" "/syzkaller/jobs/linux/workdir/image/key" "/tmp/syz-executor649025471" "root@10.128.15.204:./syz-executor649025471"]: exit status 1
Connection timed out during banner exchange
lost connection

run #3: basic kernel testing failed: failed to copy test 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" "-i" "/syzkaller/jobs/linux/workdir/image/key" "/tmp/syz-executor794933833" "root@10.128.0.204:./syz-executor794933833"]: exit status 1
Connection timed out during banner exchange
lost connection

run #4: basic kernel testing failed: failed to copy test 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" "-i" "/syzkaller/jobs/linux/workdir/image/key" "/tmp/syz-executor317661460" "root@10.128.0.159:./syz-executor317661460"]: exit status 1
Connection timed out during banner exchange
lost connection

run #5: OK
run #6: OK
run #7: OK
run #8: OK
run #9: OK
# git bisect start 3d77e6a8804abcc0504c904bd6e5cdf3a5cf8162 7111951b8d4973bda27ff663f2cf18b663d15b48
Bisecting: 7542 revisions left to test after this (roughly 13 steps)
[50a5de895dbe5df947b3a695777db5b2c313e065] Merge tag 'for-linus-hmm' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma
testing commit 50a5de895dbe5df947b3a695777db5b2c313e065 with gcc (GCC) 8.1.0
kernel signature: 4f46bca15e861b52c51f510b712872bf83931a0769584feae594c19f2d525de0
all runs: boot failed: kernel panic: VFS: Unable to mount root fs on unknown-block(8,1)
# git bisect skip 50a5de895dbe5df947b3a695777db5b2c313e065
Bisecting: 7542 revisions left to test after this (roughly 13 steps)
[422c032afcf57d5e8109a54912e22ffc53d99068] netfilter: flowtable: Use rw sem as flow block lock
testing commit 422c032afcf57d5e8109a54912e22ffc53d99068 with gcc (GCC) 8.1.0
kernel signature: 66b9185ed99be8c03f1b1fe0e3a3f96dadf78a7673431bbb7b3aaf10b97c7ac9
run #0: basic kernel testing failed: failed to copy test 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" "-i" "/syzkaller/jobs/linux/workdir/image/key" "/tmp/syz-executor480874490" "root@10.128.0.207:./syz-executor480874490"]: exit status 1
Connection timed out during banner exchange
lost connection

run #1: basic kernel testing failed: failed to copy test 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" "-i" "/syzkaller/jobs/linux/workdir/image/key" "/tmp/syz-executor713253649" "root@10.128.15.204:./syz-executor713253649"]: exit status 1
Connection timed out during banner exchange
lost connection

run #2: basic kernel testing failed: failed to copy test 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" "-i" "/syzkaller/jobs/linux/workdir/image/key" "/tmp/syz-executor260984171" "root@10.128.15.206:./syz-executor260984171"]: exit status 1
Connection timed out during banner exchange
lost connection

run #3: basic kernel testing failed: failed to copy test 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" "-i" "/syzkaller/jobs/linux/workdir/image/key" "/tmp/syz-executor432518606" "root@10.128.15.205:./syz-executor432518606"]: exit status 1
Connection timed out during banner exchange
lost connection

run #4: basic kernel testing failed: failed to copy test 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" "-i" "/syzkaller/jobs/linux/workdir/image/key" "/tmp/syz-executor158191567" "root@10.128.15.209:./syz-executor158191567"]: exit status 1
ssh: connect to host 10.128.15.209 port 22: Connection timed out
lost connection

run #5: basic kernel testing failed: failed to copy test 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" "-i" "/syzkaller/jobs/linux/workdir/image/key" "/tmp/syz-executor020016866" "root@10.128.0.40:./syz-executor020016866"]: exit status 1
Connection timed out during banner exchange
lost connection

run #6: OK
run #7: OK
run #8: OK
run #9: OK
# git bisect good 422c032afcf57d5e8109a54912e22ffc53d99068
Bisecting: 6728 revisions left to test after this (roughly 13 steps)
[8c1b724ddb218f221612d4c649bc9c7819d8d7a6] Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm
testing commit 8c1b724ddb218f221612d4c649bc9c7819d8d7a6 with gcc (GCC) 8.1.0
kernel signature: bc5c06ef50fbf5d2ac57908be224db5dc6df5fc1fbb83ca9898e3ab000f69974
all runs: boot failed: kernel panic: VFS: Unable to mount root fs on unknown-block(8,1)
# git bisect skip 8c1b724ddb218f221612d4c649bc9c7819d8d7a6
Bisecting: 6728 revisions left to test after this (roughly 13 steps)
[88d7fcfa3b1fe670f0412b95be785aafca63352b] net: inet_csk: Fix so_reuseport bind-address cache in tb->fast*
testing commit 88d7fcfa3b1fe670f0412b95be785aafca63352b with gcc (GCC) 8.1.0
kernel signature: 201f23fe45ec63850825df35f998c73ea9a42deaa381ef9af50404786ad65370
run #0: crashed: kernel BUG at include/linux/mm.h:LINE!
run #1: crashed: kernel BUG at include/linux/mm.h:LINE!
run #2: crashed: kernel BUG at include/linux/mm.h:LINE!
run #3: crashed: kernel BUG at include/linux/mm.h:LINE!
run #4: crashed: kernel BUG at include/linux/swapops.h:LINE!
run #5: crashed: kernel BUG at include/linux/mm.h:LINE!
run #6: crashed: kernel BUG at include/linux/mm.h:LINE!
run #7: crashed: kernel BUG at include/linux/mm.h:LINE!
run #8: crashed: kernel BUG at include/linux/mm.h:LINE!
run #9: crashed: kernel BUG at include/linux/mm.h:LINE!
# git bisect bad 88d7fcfa3b1fe670f0412b95be785aafca63352b
Bisecting: 6383 revisions left to test after this (roughly 13 steps)
[6cad420cc695867b4ca710bac21fde21a4102e4b] Merge branch 'akpm' (patches from Andrew)
testing commit 6cad420cc695867b4ca710bac21fde21a4102e4b with gcc (GCC) 8.1.0
kernel signature: 3a732dcd2095f9807e87b5bca20a0dd61e80049c1241196304aa70d412d4332b
all runs: boot failed: kernel panic: VFS: Unable to mount root fs on unknown-block(8,1)
# git bisect skip 6cad420cc695867b4ca710bac21fde21a4102e4b
Bisecting: 6383 revisions left to test after this (roughly 13 steps)
[77a36a3ab4ff17fad23831192e3694a3c5a1750d] HID: Add driver fixing Glorious PC Gaming Race mouse report descriptor
testing commit 77a36a3ab4ff17fad23831192e3694a3c5a1750d with gcc (GCC) 8.1.0
kernel signature: 63c5e4ff65a4b4d818bafa05d0b1cac882891a4b0a2f57240538ed779379fa01
run #0: basic kernel testing failed: failed to copy test 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" "-i" "/syzkaller/jobs/linux/workdir/image/key" "/tmp/syz-executor119705560" "root@10.128.10.58:./syz-executor119705560"]: exit status 1
Connection timed out during banner exchange
lost connection

run #1: basic kernel testing failed: failed to copy test 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" "-i" "/syzkaller/jobs/linux/workdir/image/key" "/tmp/syz-executor788367191" "root@10.128.15.200:./syz-executor788367191"]: exit status 1
Connection timed out during banner exchange
lost connection

run #2: basic kernel testing failed: failed to copy test 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" "-i" "/syzkaller/jobs/linux/workdir/image/key" "/tmp/syz-executor280360865" "root@10.128.10.2:./syz-executor280360865"]: exit status 1
ssh: connect to host 10.128.10.2 port 22: Connection timed out
lost connection

run #3: basic kernel testing failed: failed to copy test 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" "-i" "/syzkaller/jobs/linux/workdir/image/key" "/tmp/syz-executor192594560" "root@10.128.10.56:./syz-executor192594560"]: exit status 1
Connection timed out during banner exchange
lost connection

run #4: OK
run #5: OK
run #6: OK
run #7: OK
run #8: OK
run #9: OK
# git bisect good 77a36a3ab4ff17fad23831192e3694a3c5a1750d
Bisecting: 6383 revisions left to test after this (roughly 13 steps)
[8ec91c0fce1500306a858d0c35d1383fd9eb6ba6] Merge tag 'gpio-v5.7-2' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio
testing commit 8ec91c0fce1500306a858d0c35d1383fd9eb6ba6 with gcc (GCC) 8.1.0
kernel signature: 10f5cdc0118556eec776e1c4443ea853c3df56fc76ab6af6841636b60740d68b
run #0: crashed: kernel BUG at include/linux/mm.h:LINE!
run #1: crashed: kernel BUG at include/linux/mm.h:LINE!
run #2: crashed: kernel BUG at include/linux/mm.h:LINE!
run #3: crashed: kernel BUG at include/linux/mm.h:LINE!
run #4: crashed: kernel BUG at include/linux/mm.h:LINE!
run #5: crashed: kernel BUG at include/linux/mm.h:LINE!
run #6: crashed: kernel BUG at include/linux/mm.h:LINE!
run #7: crashed: kernel BUG at include/linux/mm.h:LINE!
run #8: crashed: kernel BUG at include/linux/swapops.h:LINE!
run #9: crashed: kernel BUG at include/linux/mm.h:LINE!
# git bisect bad 8ec91c0fce1500306a858d0c35d1383fd9eb6ba6
Bisecting: 6337 revisions left to test after this (roughly 13 steps)
[7be97138e7276c71cc9ad1752dcb502d28f4400d] Merge tag 'xfs-5.7-merge-8' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux
testing commit 7be97138e7276c71cc9ad1752dcb502d28f4400d with gcc (GCC) 8.1.0
kernel signature: f9299ecc798e266ee0b709b03826b6b3ef20aa271931a644f090925b6ac1ecff
all runs: boot failed: kernel panic: VFS: Unable to mount root fs on unknown-block(8,1)
# git bisect skip 7be97138e7276c71cc9ad1752dcb502d28f4400d
Bisecting: 6337 revisions left to test after this (roughly 13 steps)
[f5637d3b42ab0465ef71d5fb8461bce97fba95e8] mm/memory_hotplug: rename mhp_restrictions to mhp_params
testing commit f5637d3b42ab0465ef71d5fb8461bce97fba95e8 with gcc (GCC) 8.1.0
kernel signature: e11a3d154c150fdca77cdfd869198bd6a0b0694878ef6b726eb8c7ae1b6bd2c2
all runs: boot failed: kernel panic: VFS: Unable to mount root fs on unknown-block(8,1)
# git bisect skip f5637d3b42ab0465ef71d5fb8461bce97fba95e8
Bisecting: 6337 revisions left to test after this (roughly 13 steps)
[1592c4b9935fa8a3b7c297955bb872a357e5a3b6] pinctrl: sprd: Add pin high impedance mode support
testing commit 1592c4b9935fa8a3b7c297955bb872a357e5a3b6 with gcc (GCC) 8.1.0
kernel signature: 1e5c12b6ac0df8b39088f0a34fb857796680537ebb189f3aff5c9184eca5c2b5
run #0: basic kernel testing failed: failed to copy test 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" "-i" "/syzkaller/jobs/linux/workdir/image/key" "/tmp/syz-executor535631235" "root@10.128.1.9:./syz-executor535631235"]: exit status 1
Connection timed out during banner exchange
lost connection

run #1: basic kernel testing failed: failed to copy test 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" "-i" "/syzkaller/jobs/linux/workdir/image/key" "/tmp/syz-executor809202438" "root@10.128.1.38:./syz-executor809202438"]: exit status 1
Connection timed out during banner exchange
lost connection

run #2: basic kernel testing failed: failed to copy test 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" "-i" "/syzkaller/jobs/linux/workdir/image/key" "/tmp/syz-executor492949544" "root@10.128.15.203:./syz-executor492949544"]: exit status 1
Connection timed out during banner exchange
lost connection

run #3: basic kernel testing failed: failed to copy test 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" "-i" "/syzkaller/jobs/linux/workdir/image/key" "/tmp/syz-executor956034407" "root@10.128.10.44:./syz-executor956034407"]: exit status 1
Connection timed out during banner exchange
lost connection

run #4: basic kernel testing failed: failed to copy test 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" "-i" "/syzkaller/jobs/linux/workdir/image/key" "/tmp/syz-executor359653937" "root@10.128.15.207:./syz-executor359653937"]: exit status 1
Connection timed out during banner exchange
lost connection

run #5: basic kernel testing failed: failed to copy test 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" "-i" "/syzkaller/jobs/linux/workdir/image/key" "/tmp/syz-executor175370716" "root@10.128.0.173:./syz-executor175370716"]: exit status 1
Connection timed out during banner exchange
lost connection

run #6: OK
run #7: OK
run #8: OK
run #9: OK
# git bisect good 1592c4b9935fa8a3b7c297955bb872a357e5a3b6
Bisecting: 6274 revisions left to test after this (roughly 13 steps)
[763dafc520add02a1f4639b500c509acc0ea8e5b] audit: check the length of userspace generated audit records
testing commit 763dafc520add02a1f4639b500c509acc0ea8e5b with gcc (GCC) 8.1.0
kernel signature: e72ebe44b446154f0a5d3f7809bd3f1aaf75b5ca25ff4b064410d3317ebb2bd2
all runs: boot failed: kernel panic: VFS: Unable to mount root fs on unknown-block(8,1)
# git bisect skip 763dafc520add02a1f4639b500c509acc0ea8e5b
Bisecting: 6274 revisions left to test after this (roughly 13 steps)
[377f16ac67237c8cda05daf363bcbea95212b000] xfs: factor out a xfs_attr_match helper
testing commit 377f16ac67237c8cda05daf363bcbea95212b000 with gcc (GCC) 8.1.0
kernel signature: b1e4590c42014d80b0e49074c50e10621b25c0753731c0606a8d98daf4a1c13f
run #0: basic kernel testing failed: failed to copy test 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" "-i" "/syzkaller/jobs/linux/workdir/image/key" "/tmp/syz-executor150658031" "root@10.128.10.46:./syz-executor150658031"]: exit status 1
Connection timed out during banner exchange
lost connection

run #1: basic kernel testing failed: failed to copy test 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" "-i" "/syzkaller/jobs/linux/workdir/image/key" "/tmp/syz-executor556077561" "root@10.128.15.197:./syz-executor556077561"]: exit status 1
Connection timed out during banner exchange
lost connection

run #2: basic kernel testing failed: failed to copy test 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" "-i" "/syzkaller/jobs/linux/workdir/image/key" "/tmp/syz-executor283168004" "root@10.128.10.60:./syz-executor283168004"]: exit status 1
Connection timed out during banner exchange
lost connection

run #3: basic kernel testing failed: failed to copy test 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" "-i" "/syzkaller/jobs/linux/workdir/image/key" "/tmp/syz-executor483833558" "root@10.128.15.201:./syz-executor483833558"]: exit status 1
Connection timed out during banner exchange
lost connection

run #4: basic kernel testing failed: failed to copy test 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" "-i" "/syzkaller/jobs/linux/workdir/image/key" "/tmp/syz-executor123395133" "root@10.128.1.57:./syz-executor123395133"]: exit status 1
ssh: connect to host 10.128.1.57 port 22: Connection timed out
lost connection

run #5: basic kernel testing failed: failed to copy test 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" "-i" "/syzkaller/jobs/linux/workdir/image/key" "/tmp/syz-executor119699576" "root@10.128.1.54:./syz-executor119699576"]: exit status 1
Connection timed out during banner exchange
lost connection

run #6: basic kernel testing failed: failed to copy test 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" "-i" "/syzkaller/jobs/linux/workdir/image/key" "/tmp/syz-executor417784183" "root@10.128.10.26:./syz-executor417784183"]: exit status 1
Connection timed out during banner exchange
lost connection

run #7: basic kernel testing failed: failed to copy test 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" "-i" "/syzkaller/jobs/linux/workdir/image/key" "/tmp/syz-executor191315050" "root@10.128.0.132:./syz-executor191315050"]: exit status 1
Connection timed out during banner exchange
lost connection

run #8: OK
run #9: OK
# git bisect skip 377f16ac67237c8cda05daf363bcbea95212b000
Bisecting: 6274 revisions left to test after this (roughly 13 steps)
[f0212a5ebfa6cd789ab47666b9cc169e6e688732] net: stmmac: dwmac-meson8b: Add missing boundary to RGMII TX clock array
testing commit f0212a5ebfa6cd789ab47666b9cc169e6e688732 with gcc (GCC) 8.1.0
kernel signature: ea707f4be7eaac84d098a7bfa8bab37195a85f36a1de3ef270dd91ce4c3f0e06
all runs: boot failed: kernel panic: VFS: Unable to mount root fs on unknown-block(8,1)
# git bisect skip f0212a5ebfa6cd789ab47666b9cc169e6e688732
Bisecting: 6274 revisions left to test after this (roughly 13 steps)
[4c470b2f121365800972b71e787aae359ff186a7] rtc: pm8xxx: : switch to rtc_time64_to_tm/rtc_tm_to_time64
testing commit 4c470b2f121365800972b71e787aae359ff186a7 with gcc (GCC) 8.1.0
kernel signature: 79242edd4dab22f2d4bfd833b3b804a330912cb2aaa9171761436928d3c505ef
run #0: basic kernel testing failed: failed to copy test 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" "-i" "/syzkaller/jobs/linux/workdir/image/key" "/tmp/syz-executor643447614" "root@10.128.15.198:./syz-executor643447614"]: exit status 1
Connection timed out during banner exchange
lost connection

run #1: basic kernel testing failed: failed to copy test 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" "-i" "/syzkaller/jobs/linux/workdir/image/key" "/tmp/syz-executor493494661" "root@10.128.15.196:./syz-executor493494661"]: exit status 1
Connection timed out during banner exchange
lost connection

run #2: basic kernel testing failed: failed to copy test 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" "-i" "/syzkaller/jobs/linux/workdir/image/key" "/tmp/syz-executor078809376" "root@10.128.1.60:./syz-executor078809376"]: exit status 1
Connection timed out during banner exchange
lost connection

run #3: basic kernel testing failed: failed to copy test 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" "-i" "/syzkaller/jobs/linux/workdir/image/key" "/tmp/syz-executor212903423" "root@10.128.15.195:./syz-executor212903423"]: exit status 1
Connection timed out during banner exchange
lost connection

run #4: basic kernel testing failed: failed to copy test 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" "-i" "/syzkaller/jobs/linux/workdir/image/key" "/tmp/syz-executor872013650" "root@10.128.0.109:./syz-executor872013650"]: exit status 1
Connection timed out during banner exchange
lost connection

run #5: basic kernel testing failed: failed to copy test 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" "-i" "/syzkaller/jobs/linux/workdir/image/key" "/tmp/syz-executor250554505" "root@10.128.15.201:./syz-executor250554505"]: exit status 1
Connection timed out during banner exchange
lost connection

run #6: basic kernel testing failed: failed to copy test 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" "-i" "/syzkaller/jobs/linux/workdir/image/key" "/tmp/syz-executor521422755" "root@10.128.15.200:./syz-executor521422755"]: exit status 1
Connection timed out during banner exchange
lost connection

run #7: OK
run #8: OK
run #9: OK
# git bisect skip 4c470b2f121365800972b71e787aae359ff186a7
Bisecting: 6274 revisions left to test after this (roughly 13 steps)
[68b1add4c51a96da21df1d1427a1b30614aeb9d9] dt-bindings: usb: renesas,usb3-peri: add r8a77961 support
testing commit 68b1add4c51a96da21df1d1427a1b30614aeb9d9 with gcc (GCC) 8.1.0
kernel signature: 56d950ac09cca6417ee5f125bfdfd7e5d9356ed0a9335f11155b0ed16fbaa749
all runs: boot failed: kernel panic: VFS: Unable to mount root fs on unknown-block(8,1)
# git bisect skip 68b1add4c51a96da21df1d1427a1b30614aeb9d9
Bisecting: 6274 revisions left to test after this (roughly 13 steps)
[634088e2621310d2473e4ec3b69843e32d5cee20] arch: mips: brcm: Add 7425 flash-edu support
testing commit 634088e2621310d2473e4ec3b69843e32d5cee20 with gcc (GCC) 8.1.0
kernel signature: 23ff25941f391d66f11d45e90c29f985d1bba338f5c920daca12fea9225f51e9
run #0: basic kernel testing failed: failed to copy test 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" "-i" "/syzkaller/jobs/linux/workdir/image/key" "/tmp/syz-executor211724167" "root@10.128.0.28:./syz-executor211724167"]: exit status 1
Connection timed out during banner exchange
lost connection

run #1: basic kernel testing failed: failed to copy test 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" "-i" "/syzkaller/jobs/linux/workdir/image/key" "/tmp/syz-executor684541754" "root@10.128.15.196:./syz-executor684541754"]: exit status 1
Connection timed out during banner exchange
lost connection

run #2: basic kernel testing failed: failed to copy test 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" "-i" "/syzkaller/jobs/linux/workdir/image/key" "/tmp/syz-executor968084245" "root@10.128.15.200:./syz-executor968084245"]: exit status 1
Connection timed out during banner exchange
lost connection

run #3: basic kernel testing failed: failed to copy test 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" "-i" "/syzkaller/jobs/linux/workdir/image/key" "/tmp/syz-executor266330992" "root@10.128.10.51:./syz-executor266330992"]: exit status 1
Connection timed out during banner exchange
lost connection

run #4: basic kernel testing failed: failed to copy test 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" "-i" "/syzkaller/jobs/linux/workdir/image/key" "/tmp/syz-executor968971791" "root@10.128.10.48:./syz-executor968971791"]: exit status 1
Connection timed out during banner exchange
lost connection

run #5: basic kernel testing failed: failed to copy test 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" "-i" "/syzkaller/jobs/linux/workdir/image/key" "/tmp/syz-executor140086818" "root@10.128.10.53:./syz-executor140086818"]: exit status 1
Connection timed out during banner exchange
lost connection

run #6: OK
run #7: OK
run #8: OK
run #9: OK
# git bisect good 634088e2621310d2473e4ec3b69843e32d5cee20
Bisecting: 6231 revisions left to test after this (roughly 13 steps)
[b16f2ab280f9c172ea02286fa298d5c8a3d68c88] Merge branch 'remotes/lorenzo/pci/endpoint'
testing commit b16f2ab280f9c172ea02286fa298d5c8a3d68c88 with gcc (GCC) 8.1.0
kernel signature: 047f3ffdf7d701819f481597ede0066318ce09b599ceaf00d9256d05aff81483
run #0: basic kernel testing failed: failed to copy test 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" "-i" "/syzkaller/jobs/linux/workdir/image/key" "/tmp/syz-executor519255460" "root@10.128.15.196:./syz-executor519255460"]: exit status 1
Connection timed out during banner exchange
lost connection

run #1: basic kernel testing failed: failed to copy test 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" "-i" "/syzkaller/jobs/linux/workdir/image/key" "/tmp/syz-executor174537053" "root@10.128.15.203:./syz-executor174537053"]: exit status 1
Connection timed out during banner exchange
lost connection

run #2: basic kernel testing failed: failed to copy test 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" "-i" "/syzkaller/jobs/linux/workdir/image/key" "/tmp/syz-executor500166262" "root@10.128.0.145:./syz-executor500166262"]: exit status 1
Connection timed out during banner exchange
lost connection

run #3: basic kernel testing failed: failed to copy test 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" "-i" "/syzkaller/jobs/linux/workdir/image/key" "/tmp/syz-executor332747544" "root@10.128.0.166:./syz-executor332747544"]: exit status 1
Connection timed out during banner exchange
lost connection

run #4: basic kernel testing failed: failed to copy test 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" "-i" "/syzkaller/jobs/linux/workdir/image/key" "/tmp/syz-executor730525079" "root@10.128.15.206:./syz-executor730525079"]: exit status 1
Connection timed out during banner exchange
lost connection

run #5: basic kernel testing failed: failed to copy test 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" "-i" "/syzkaller/jobs/linux/workdir/image/key" "/tmp/syz-executor039616460" "root@10.128.15.195:./syz-executor039616460"]: exit status 1
Connection timed out during banner exchange
lost connection

run #6: basic kernel testing failed: failed to copy test 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" "-i" "/syzkaller/jobs/linux/workdir/image/key" "/tmp/syz-executor506436577" "root@10.128.15.200:./syz-executor506436577"]: exit status 1
Connection timed out during banner exchange
lost connection

run #7: basic kernel testing failed: failed to copy test 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" "-i" "/syzkaller/jobs/linux/workdir/image/key" "/tmp/syz-executor508623547" "root@10.128.0.137:./syz-executor508623547"]: exit status 1
Connection timed out during banner exchange
lost connection

run #8: OK
run #9: OK
# git bisect skip b16f2ab280f9c172ea02286fa298d5c8a3d68c88
Bisecting: 6231 revisions left to test after this (roughly 13 steps)
[674d85eb2d7dc6ef436f46f770f7ab3f1b9c6669] Merge tag 'audit-pr-20200330' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/audit
testing commit 674d85eb2d7dc6ef436f46f770f7ab3f1b9c6669 with gcc (GCC) 8.1.0
kernel signature: 3db8f972b29d0d3dc148cdc157a61c8d853aeb530310d5f55b81e89d88afb4da
run #0: basic kernel testing failed: failed to copy test 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" "-i" "/syzkaller/jobs/linux/workdir/image/key" "/tmp/syz-executor111283136" "root@10.128.0.71:./syz-executor111283136"]: exit status 1
Connection timed out during banner exchange
lost connection

run #1: basic kernel testing failed: failed to copy test 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" "-i" "/syzkaller/jobs/linux/workdir/image/key" "/tmp/syz-executor165047721" "root@10.128.10.47:./syz-executor165047721"]: exit status 1
Connection timed out during banner exchange
lost connection

run #2: basic kernel testing failed: failed to copy test 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" "-i" "/syzkaller/jobs/linux/workdir/image/key" "/tmp/syz-executor531648244" "root@10.128.15.207:./syz-executor531648244"]: exit status 1
Connection timed out during banner exchange
lost connection

run #3: basic kernel testing failed: failed to copy test 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" "-i" "/syzkaller/jobs/linux/workdir/image/key" "/tmp/syz-executor824647107" "root@10.128.10.34:./syz-executor824647107"]: exit status 1
Connection timed out during banner exchange
lost connection

run #4: basic kernel testing failed: failed to copy test 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" "-i" "/syzkaller/jobs/linux/workdir/image/key" "/tmp/syz-executor816988520" "root@10.128.0.66:./syz-executor816988520"]: exit status 1
Connection timed out during banner exchange
lost connection

run #5: OK
run #6: OK
run #7: OK
run #8: OK
run #9: OK
# git bisect good 674d85eb2d7dc6ef436f46f770f7ab3f1b9c6669
Bisecting: 4860 revisions left to test after this (roughly 12 steps)
[79f51b7b9c4719303f758ae8406c4e5997ed6aa3] Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
testing commit 79f51b7b9c4719303f758ae8406c4e5997ed6aa3 with gcc (GCC) 8.1.0
kernel signature: 0b74ee725961b0eff449d8e177e66d012afd519339c12eb08c0ed33c6e8e39d1
all runs: boot failed: kernel panic: VFS: Unable to mount root fs on unknown-block(8,1)
# git bisect skip 79f51b7b9c4719303f758ae8406c4e5997ed6aa3
Bisecting: 4860 revisions left to test after this (roughly 12 steps)
[ee2413eeed767d1fb794651e63e45c5e292c8180] drm/i915: Add mechanism to submit a context WA on ring submission
testing commit ee2413eeed767d1fb794651e63e45c5e292c8180 with gcc (GCC) 8.1.0
kernel signature: 85e83e844c542acf3a302eb1276a87991601d57d1d4e66177b046d72d51ebf5b
run #0: basic kernel testing failed: failed to copy test 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" "-i" "/syzkaller/jobs/linux/workdir/image/key" "/tmp/syz-executor901687921" "root@10.128.15.200:./syz-executor901687921"]: exit status 1
Connection timed out during banner exchange
lost connection

run #1: basic kernel testing failed: failed to copy test 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" "-i" "/syzkaller/jobs/linux/workdir/image/key" "/tmp/syz-executor705481390" "root@10.128.15.203:./syz-executor705481390"]: exit status 1
Connection timed out during banner exchange
lost connection

run #2: basic kernel testing failed: failed to copy test 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" "-i" "/syzkaller/jobs/linux/workdir/image/key" "/tmp/syz-executor295664144" "root@10.128.15.206:./syz-executor295664144"]: exit status 1
Connection timed out during banner exchange
lost connection

run #3: basic kernel testing failed: failed to copy test 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" "-i" "/syzkaller/jobs/linux/workdir/image/key" "/tmp/syz-executor754118191" "root@10.128.15.192:./syz-executor754118191"]: exit status 1
Connection timed out during banner exchange
lost connection

run #4: basic kernel testing failed: failed to copy test 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" "-i" "/syzkaller/jobs/linux/workdir/image/key" "/tmp/syz-executor662384066" "root@10.128.15.207:./syz-executor662384066"]: exit status 1
Connection timed out during banner exchange
lost connection

run #5: basic kernel testing failed: failed to copy test 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" "-i" "/syzkaller/jobs/linux/workdir/image/key" "/tmp/syz-executor300308537" "root@10.128.10.57:./syz-executor300308537"]: exit status 1
Connection timed out during banner exchange
lost connection

run #6: OK
run #7: OK
run #8: OK
run #9: OK
# git bisect good ee2413eeed767d1fb794651e63e45c5e292c8180
Bisecting: 4520 revisions left to test after this (roughly 12 steps)
[0ad5b053d438990fabaa324499abb6131b9d2202] Merge tag 'char-misc-5.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
testing commit 0ad5b053d438990fabaa324499abb6131b9d2202 with gcc (GCC) 8.1.0
kernel signature: 699295304277b6aaf6e5b0696b95894535e7fcf33a2763d886165d3d71e76b78
all runs: boot failed: kernel panic: VFS: Unable to mount root fs on unknown-block(8,1)
# git bisect skip 0ad5b053d438990fabaa324499abb6131b9d2202
Bisecting: 4520 revisions left to test after this (roughly 12 steps)
[62c86d1d5fd942c741791be94f670b99ffedfb5c] ASoC: soc-pcm: move soc_pcm_close() next to soc_pcm_open()
testing commit 62c86d1d5fd942c741791be94f670b99ffedfb5c with gcc (GCC) 8.1.0
kernel signature: 8f91ad7a39d344e68546c82a9cb5bd6cafd4d5486800aed95f2471fd059c5016
run #0: basic kernel testing failed: failed to copy test 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" "-i" "/syzkaller/jobs/linux/workdir/image/key" "/tmp/syz-executor543355005" "root@10.128.1.42:./syz-executor543355005"]: exit status 1
Connection timed out during banner exchange
lost connection

run #1: basic kernel testing failed: failed to copy test 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" "-i" "/syzkaller/jobs/linux/workdir/image/key" "/tmp/syz-executor919878072" "root@10.128.10.51:./syz-executor919878072"]: exit status 1
Connection timed out during banner exchange
lost connection

run #2: basic kernel testing failed: failed to copy test 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" "-i" "/syzkaller/jobs/linux/workdir/image/key" "/tmp/syz-executor925708727" "root@10.128.10.19:./syz-executor925708727"]: exit status 1
Connection timed out during banner exchange
lost connection

run #3: basic kernel testing failed: failed to copy test 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" "-i" "/syzkaller/jobs/linux/workdir/image/key" "/tmp/syz-executor181396588" "root@10.128.0.83:./syz-executor181396588"]: exit status 1
Connection timed out during banner exchange
lost connection

run #4: basic kernel testing failed: failed to copy test 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" "-i" "/syzkaller/jobs/linux/workdir/image/key" "/tmp/syz-executor716703963" "root@10.128.0.33:./syz-executor716703963"]: exit status 1
Connection timed out during banner exchange
lost connection

run #5: basic kernel testing failed: failed to copy test 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" "-i" "/syzkaller/jobs/linux/workdir/image/key" "/tmp/syz-executor935813758" "root@10.128.1.38:./syz-executor935813758"]: exit status 1
Connection timed out during banner exchange
lost connection

run #6: basic kernel testing failed: failed to copy test 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" "-i" "/syzkaller/jobs/linux/workdir/image/key" "/tmp/syz-executor389928389" "root@10.128.0.103:./syz-executor389928389"]: exit status 1
Connection timed out during banner exchange
lost connection

run #7: OK
run #8: OK
run #9: OK
# git bisect skip 62c86d1d5fd942c741791be94f670b99ffedfb5c
Bisecting: 4520 revisions left to test after this (roughly 12 steps)
[52338dfb3ca11e6a99288e9e9e4019f279822ddd] docs: admin-guide: merge sections for the kernel.modprobe sysctl
testing commit 52338dfb3ca11e6a99288e9e9e4019f279822ddd with gcc (GCC) 8.1.0
kernel signature: e550df5c0b94f03c2c44cb42400d4bc84087372790e68083a59da43a0758ae63
all runs: boot failed: kernel panic: VFS: Unable to mount root fs on unknown-block(8,1)
# git bisect skip 52338dfb3ca11e6a99288e9e9e4019f279822ddd
Bisecting: 4520 revisions left to test after this (roughly 12 steps)
[343ee6c4405c2d053f093f68835ecff0cc906a04] crypto: ccree - use existing dev helper in init_cc_resources()
testing commit 343ee6c4405c2d053f093f68835ecff0cc906a04 with gcc (GCC) 8.1.0
kernel signature: 31ddc17b6b3e5c8b536cd31f5dfec02d09dedd49cc32026807fe4d1d57059fc7
run #0: basic kernel testing failed: failed to copy test 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" "-i" "/syzkaller/jobs/linux/workdir/image/key" "/tmp/syz-executor574749076" "root@10.128.0.204:./syz-executor574749076"]: exit status 1
Connection timed out during banner exchange
lost connection

run #1: basic kernel testing failed: failed to copy test 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" "-i" "/syzkaller/jobs/linux/workdir/image/key" "/tmp/syz-executor729285603" "root@10.128.0.134:./syz-executor729285603"]: exit status 1
Connection timed out during banner exchange
lost connection

run #2: basic kernel testing failed: failed to copy test 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" "-i" "/syzkaller/jobs/linux/workdir/image/key" "/tmp/syz-executor129599462" "root@10.128.10.1:./syz-executor129599462"]: exit status 1
Connection timed out during banner exchange
lost connection

run #3: basic kernel testing failed: failed to copy test 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" "-i" "/syzkaller/jobs/linux/workdir/image/key" "/tmp/syz-executor313515528" "root@10.128.10.17:./syz-executor313515528"]: exit status 1
Connection timed out during banner exchange
lost connection

run #4: basic kernel testing failed: failed to copy test 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" "-i" "/syzkaller/jobs/linux/workdir/image/key" "/tmp/syz-executor950349767" "root@10.128.10.56:./syz-executor950349767"]: exit status 1
Connection timed out during banner exchange
lost connection

run #5: OK
run #6: OK
run #7: OK
run #8: OK
run #9: OK
# git bisect good 343ee6c4405c2d053f093f68835ecff0cc906a04
Bisecting: 4405 revisions left to test after this (roughly 12 steps)
[86f26a77cb0cf532a92be18d2c065f5158e1a545] Merge tag 'pci-v5.7-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci
testing commit 86f26a77cb0cf532a92be18d2c065f5158e1a545 with gcc (GCC) 8.1.0
kernel signature: 9b3d6e5d7989a37de7364b836e65821118e3280058f7af27b41ac0717cd68cee
all runs: boot failed: kernel panic: VFS: Unable to mount root fs on unknown-block(8,1)
# git bisect skip 86f26a77cb0cf532a92be18d2c065f5158e1a545
Bisecting: 4405 revisions left to test after this (roughly 12 steps)
[6fd5034db45c9c0ca57c98f3d5b9a0ce5869eab3] svcrdma: Refactor chunk list encoders
revisions tested: 29, total time: 8h15m27.141663189s (build: 3h17m11.6148594s, test: 4h54m50.542517437s)
error: bisection is taking too long (>8h0m0s), aborting