ci starts bisection 2024-05-01 11:49:22.702702176 +0000 UTC m=+6764.334725353
bisecting cause commit starting from 1bba3b3d373dbafae891e7cb06b8c82c8d62aba1
building syzkaller on 9e0e6af1043935504b1e1e8f286c7e731b588730
ensuring issue is reproducible on original commit 1bba3b3d373dbafae891e7cb06b8c82c8d62aba1

testing commit 1bba3b3d373dbafae891e7cb06b8c82c8d62aba1 gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: a1d8fad912e6762da466c19310386978540bef488440a88a426e4a8fc9713d15
run #0: basic kernel testing failed: failed to copy syz-execprog to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "IdentitiesOnly=yes" "-o" "BatchMode=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-execprog" "root@10.128.1.166:./syz-execprog"]: exit status 255
Executing: program /usr/bin/ssh host 10.128.1.166, user root, command sftp
OpenSSH_9.2p1 Debian-2+deb12u2, OpenSSL 3.0.11 19 Sep 2023
debug1: Reading configuration data /dev/null
debug1: Connecting to 10.128.1.166 [10.128.1.166] port 22.
debug1: connect to address 10.128.1.166 port 22: Connection timed out
ssh: connect to host 10.128.1.166 port 22: Connection timed out
scp: Connection closed

run #1: basic kernel testing failed: failed to copy syz-execprog to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "IdentitiesOnly=yes" "-o" "BatchMode=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-execprog" "root@10.128.0.3:./syz-execprog"]: exit status 255
Executing: program /usr/bin/ssh host 10.128.0.3, user root, command sftp
OpenSSH_9.2p1 Debian-2+deb12u2, OpenSSL 3.0.11 19 Sep 2023
debug1: Reading configuration data /dev/null
debug1: Connecting to 10.128.0.3 [10.128.0.3] port 22.
debug1: connect to address 10.128.0.3 port 22: Connection timed out
ssh: connect to host 10.128.0.3 port 22: Connection timed out
scp: Connection closed

run #2: basic kernel testing failed: failed to copy syz-execprog to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "IdentitiesOnly=yes" "-o" "BatchMode=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-execprog" "root@10.128.0.212:./syz-execprog"]: exit status 255
Executing: program /usr/bin/ssh host 10.128.0.212, user root, command sftp
OpenSSH_9.2p1 Debian-2+deb12u2, OpenSSL 3.0.11 19 Sep 2023
debug1: Reading configuration data /dev/null
debug1: Connecting to 10.128.0.212 [10.128.0.212] port 22.
debug1: connect to address 10.128.0.212 port 22: Connection timed out
ssh: connect to host 10.128.0.212 port 22: Connection timed out
scp: Connection closed

run #3: basic kernel testing failed: failed to copy syz-execprog to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "IdentitiesOnly=yes" "-o" "BatchMode=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-execprog" "root@10.128.1.85:./syz-execprog"]: exit status 255
Executing: program /usr/bin/ssh host 10.128.1.85, user root, command sftp
OpenSSH_9.2p1 Debian-2+deb12u2, OpenSSL 3.0.11 19 Sep 2023
debug1: Reading configuration data /dev/null
debug1: Connecting to 10.128.1.85 [10.128.1.85] port 22.
debug1: connect to address 10.128.1.85 port 22: Connection timed out
ssh: connect to host 10.128.1.85 port 22: Connection timed out
scp: Connection closed

run #4: basic kernel testing failed: failed to copy syz-execprog to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "IdentitiesOnly=yes" "-o" "BatchMode=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-execprog" "root@10.128.0.218:./syz-execprog"]: exit status 255
Executing: program /usr/bin/ssh host 10.128.0.218, user root, command sftp
OpenSSH_9.2p1 Debian-2+deb12u2, OpenSSL 3.0.11 19 Sep 2023
debug1: Reading configuration data /dev/null
debug1: Connecting to 10.128.0.218 [10.128.0.218] port 22.
debug1: connect to address 10.128.0.218 port 22: Connection timed out
ssh: connect to host 10.128.0.218 port 22: Connection timed out
scp: Connection closed

run #5: basic kernel testing failed: failed to copy syz-execprog to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "IdentitiesOnly=yes" "-o" "BatchMode=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-execprog" "root@10.128.10.4:./syz-execprog"]: exit status 255
Executing: program /usr/bin/ssh host 10.128.10.4, user root, command sftp
OpenSSH_9.2p1 Debian-2+deb12u2, OpenSSL 3.0.11 19 Sep 2023
debug1: Reading configuration data /dev/null
debug1: Connecting to 10.128.10.4 [10.128.10.4] port 22.
debug1: connect to address 10.128.10.4 port 22: Connection timed out
ssh: connect to host 10.128.10.4 port 22: Connection timed out
scp: Connection closed

run #6: basic kernel testing failed: failed to copy syz-execprog to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "IdentitiesOnly=yes" "-o" "BatchMode=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-execprog" "root@10.128.10.62:./syz-execprog"]: exit status 255
Executing: program /usr/bin/ssh host 10.128.10.62, user root, command sftp
OpenSSH_9.2p1 Debian-2+deb12u2, OpenSSL 3.0.11 19 Sep 2023
debug1: Reading configuration data /dev/null
debug1: Connecting to 10.128.10.62 [10.128.10.62] port 22.
debug1: connect to address 10.128.10.62 port 22: Connection timed out
ssh: connect to host 10.128.10.62 port 22: Connection timed out
scp: Connection closed

run #7: basic kernel testing failed: failed to copy syz-execprog to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "IdentitiesOnly=yes" "-o" "BatchMode=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-execprog" "root@10.128.1.172:./syz-execprog"]: exit status 255
Executing: program /usr/bin/ssh host 10.128.1.172, user root, command sftp
OpenSSH_9.2p1 Debian-2+deb12u2, OpenSSL 3.0.11 19 Sep 2023
debug1: Reading configuration data /dev/null
debug1: Connecting to 10.128.1.172 [10.128.1.172] port 22.
debug1: connect to address 10.128.1.172 port 22: Connection timed out
ssh: connect to host 10.128.1.172 port 22: Connection timed out
scp: Connection closed

run #8: basic kernel testing failed: failed to copy syz-execprog to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "IdentitiesOnly=yes" "-o" "BatchMode=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-execprog" "root@10.128.10.63:./syz-execprog"]: exit status 255
Executing: program /usr/bin/ssh host 10.128.10.63, user root, command sftp
OpenSSH_9.2p1 Debian-2+deb12u2, OpenSSL 3.0.11 19 Sep 2023
debug1: Reading configuration data /dev/null
debug1: Connecting to 10.128.10.63 [10.128.10.63] port 22.
debug1: connect to address 10.128.10.63 port 22: Connection timed out
ssh: connect to host 10.128.10.63 port 22: Connection timed out
scp: Connection closed

run #9: basic kernel testing failed: failed to copy syz-execprog to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "IdentitiesOnly=yes" "-o" "BatchMode=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-execprog" "root@10.128.0.243:./syz-execprog"]: exit status 255
Executing: program /usr/bin/ssh host 10.128.0.243, user root, command sftp
OpenSSH_9.2p1 Debian-2+deb12u2, OpenSSL 3.0.11 19 Sep 2023
debug1: Reading configuration data /dev/null
debug1: Connecting to 10.128.0.243 [10.128.0.243] port 22.
debug1: connect to address 10.128.0.243 port 22: Connection timed out
ssh: connect to host 10.128.0.243 port 22: Connection timed out
scp: Connection closed

run #10: basic kernel testing failed: failed to copy syz-execprog to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "IdentitiesOnly=yes" "-o" "BatchMode=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-execprog" "root@10.128.1.66:./syz-execprog"]: exit status 255
Executing: program /usr/bin/ssh host 10.128.1.66, user root, command sftp
OpenSSH_9.2p1 Debian-2+deb12u2, OpenSSL 3.0.11 19 Sep 2023
debug1: Reading configuration data /dev/null
debug1: Connecting to 10.128.1.66 [10.128.1.66] port 22.
debug1: connect to address 10.128.1.66 port 22: Connection timed out
ssh: connect to host 10.128.1.66 port 22: Connection timed out
scp: Connection closed

run #11: basic kernel testing failed: failed to copy syz-execprog to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "IdentitiesOnly=yes" "-o" "BatchMode=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-execprog" "root@10.128.15.193:./syz-execprog"]: exit status 255
Executing: program /usr/bin/ssh host 10.128.15.193, user root, command sftp
OpenSSH_9.2p1 Debian-2+deb12u2, OpenSSL 3.0.11 19 Sep 2023
debug1: Reading configuration data /dev/null
debug1: Connecting to 10.128.15.193 [10.128.15.193] port 22.
debug1: connect to address 10.128.15.193 port 22: Connection timed out
ssh: connect to host 10.128.15.193 port 22: Connection timed out
scp: Connection closed

run #12: basic kernel testing failed: failed to copy syz-execprog to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "IdentitiesOnly=yes" "-o" "BatchMode=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-execprog" "root@10.128.1.151:./syz-execprog"]: exit status 255
Executing: program /usr/bin/ssh host 10.128.1.151, user root, command sftp
OpenSSH_9.2p1 Debian-2+deb12u2, OpenSSL 3.0.11 19 Sep 2023
debug1: Reading configuration data /dev/null
debug1: Connecting to 10.128.1.151 [10.128.1.151] port 22.
debug1: connect to address 10.128.1.151 port 22: Connection timed out
ssh: connect to host 10.128.1.151 port 22: Connection timed out
scp: Connection closed

run #13: basic kernel testing failed: failed to copy syz-execprog to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "IdentitiesOnly=yes" "-o" "BatchMode=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-execprog" "root@10.128.1.53:./syz-execprog"]: exit status 255
Executing: program /usr/bin/ssh host 10.128.1.53, user root, command sftp
OpenSSH_9.2p1 Debian-2+deb12u2, OpenSSL 3.0.11 19 Sep 2023
debug1: Reading configuration data /dev/null
debug1: Connecting to 10.128.1.53 [10.128.1.53] port 22.
debug1: connect to address 10.128.1.53 port 22: Connection timed out
ssh: connect to host 10.128.1.53 port 22: Connection timed out
scp: Connection closed

run #14: basic kernel testing failed: failed to copy syz-execprog to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "IdentitiesOnly=yes" "-o" "BatchMode=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-execprog" "root@10.128.0.141:./syz-execprog"]: exit status 255
Executing: program /usr/bin/ssh host 10.128.0.141, user root, command sftp
OpenSSH_9.2p1 Debian-2+deb12u2, OpenSSL 3.0.11 19 Sep 2023
debug1: Reading configuration data /dev/null
debug1: Connecting to 10.128.0.141 [10.128.0.141] port 22.
debug1: connect to address 10.128.0.141 port 22: Connection timed out
ssh: connect to host 10.128.0.141 port 22: Connection timed out
scp: Connection closed

run #15: basic kernel testing failed: failed to copy syz-execprog to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "IdentitiesOnly=yes" "-o" "BatchMode=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-execprog" "root@10.128.1.135:./syz-execprog"]: exit status 255
Executing: program /usr/bin/ssh host 10.128.1.135, user root, command sftp
OpenSSH_9.2p1 Debian-2+deb12u2, OpenSSL 3.0.11 19 Sep 2023
debug1: Reading configuration data /dev/null
debug1: Connecting to 10.128.1.135 [10.128.1.135] port 22.
debug1: connect to address 10.128.1.135 port 22: Connection timed out
ssh: connect to host 10.128.1.135 port 22: Connection timed out
scp: Connection closed

run #16: basic kernel testing failed: failed to copy syz-execprog to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "IdentitiesOnly=yes" "-o" "BatchMode=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-execprog" "root@10.128.0.130:./syz-execprog"]: exit status 255
Executing: program /usr/bin/ssh host 10.128.0.130, user root, command sftp
OpenSSH_9.2p1 Debian-2+deb12u2, OpenSSL 3.0.11 19 Sep 2023
debug1: Reading configuration data /dev/null
debug1: Connecting to 10.128.0.130 [10.128.0.130] port 22.
debug1: connect to address 10.128.0.130 port 22: Connection timed out
ssh: connect to host 10.128.0.130 port 22: Connection timed out
scp: Connection closed

run #17: basic kernel testing failed: failed to copy syz-execprog to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "IdentitiesOnly=yes" "-o" "BatchMode=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-execprog" "root@10.128.1.10:./syz-execprog"]: exit status 255
Executing: program /usr/bin/ssh host 10.128.1.10, user root, command sftp
OpenSSH_9.2p1 Debian-2+deb12u2, OpenSSL 3.0.11 19 Sep 2023
debug1: Reading configuration data /dev/null
debug1: Connecting to 10.128.1.10 [10.128.1.10] port 22.
debug1: connect to address 10.128.1.10 port 22: Connection timed out
ssh: connect to host 10.128.1.10 port 22: Connection timed out
scp: Connection closed

run #18: basic kernel testing failed: failed to copy syz-execprog to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "IdentitiesOnly=yes" "-o" "BatchMode=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-execprog" "root@10.128.15.195:./syz-execprog"]: exit status 255
Executing: program /usr/bin/ssh host 10.128.15.195, user root, command sftp
OpenSSH_9.2p1 Debian-2+deb12u2, OpenSSL 3.0.11 19 Sep 2023
debug1: Reading configuration data /dev/null
debug1: Connecting to 10.128.15.195 [10.128.15.195] port 22.
debug1: connect to address 10.128.15.195 port 22: Connection timed out
ssh: connect to host 10.128.15.195 port 22: Connection timed out
scp: Connection closed

run #19: basic kernel testing failed: failed to copy syz-execprog to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "IdentitiesOnly=yes" "-o" "BatchMode=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-execprog" "root@10.128.15.198:./syz-execprog"]: exit status 255
Executing: program /usr/bin/ssh host 10.128.15.198, user root, command sftp
OpenSSH_9.2p1 Debian-2+deb12u2, OpenSSL 3.0.11 19 Sep 2023
debug1: Reading configuration data /dev/null
debug1: Connecting to 10.128.15.198 [10.128.15.198] port 22.
debug1: connect to address 10.128.15.198 port 22: Connection timed out
ssh: connect to host 10.128.15.198 port 22: Connection timed out
scp: Connection closed

unable to determine the verdict: 0 good runs (wanted 10), for bad wanted 10 in total, got 0
revisions tested: 1, total time: 16m58.854715366s (build: 12m3.174731188s, test: 3m32.120059173s)
error: the crash wasn't reproduced on the original commit