ci2 starts bisection 2024-03-16 14:36:01.09602174 +0000 UTC m=+144299.219170169
bisecting fixing commit since 6139f2a02fe0ac7a08389b4eb786e0c659039ddd
building syzkaller on 77b23aa147a898d1e1912a5f01e6716bbdc3a59e
ensuring issue is reproducible on original commit 6139f2a02fe0ac7a08389b4eb786e0c659039ddd

testing commit 6139f2a02fe0ac7a08389b4eb786e0c659039ddd gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 420511dfb2718579d0e0f3afe4349d2c92510841fb5c6cebd84d1ff399f5c050
run #0: basic kernel testing failed: failed to copy binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "/tmp/syz-executor912810988" "root@10.128.10.42:./syz-executor912810988"]: exit status 255
Executing: program /usr/bin/ssh host 10.128.10.42, user root, command sftp
OpenSSH_9.2p1 Debian-2+deb12u1, OpenSSL 3.0.11 19 Sep 2023
debug1: Reading configuration data /dev/null
debug1: Connecting to 10.128.10.42 [10.128.10.42] port 22.
debug1: connect to address 10.128.10.42 port 22: Connection timed out
ssh: connect to host 10.128.10.42 port 22: Connection timed out
scp: Connection closed

run #1: basic kernel testing failed: failed to copy binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "/tmp/syz-executor893990831" "root@10.128.1.132:./syz-executor893990831"]: exit status 255
Executing: program /usr/bin/ssh host 10.128.1.132, user root, command sftp
OpenSSH_9.2p1 Debian-2+deb12u1, OpenSSL 3.0.11 19 Sep 2023
debug1: Reading configuration data /dev/null
debug1: Connecting to 10.128.1.132 [10.128.1.132] port 22.
debug1: connect to address 10.128.1.132 port 22: Connection timed out
ssh: connect to host 10.128.1.132 port 22: Connection timed out
scp: Connection closed

run #2: crashed: INFO: rcu detected stall in clock_adjtime
run #3: crashed: INFO: rcu detected stall in clock_adjtime
run #4: crashed: INFO: rcu detected stall in syscall_enter_from_user_mode
run #5: crashed: INFO: rcu detected stall in clock_adjtime
run #6: crashed: INFO: rcu detected stall in clock_adjtime
run #7: basic kernel testing failed: failed to copy binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "/tmp/syz-executor1392473681" "root@10.128.0.209:./syz-executor1392473681"]: exit status 255
Executing: program /usr/bin/ssh host 10.128.0.209, user root, command sftp
OpenSSH_9.2p1 Debian-2+deb12u1, OpenSSL 3.0.11 19 Sep 2023
debug1: Reading configuration data /dev/null
debug1: Connecting to 10.128.0.209 [10.128.0.209] port 22.
debug1: connect to address 10.128.0.209 port 22: Connection timed out
ssh: connect to host 10.128.0.209 port 22: Connection timed out
scp: Connection closed

run #8: basic kernel testing failed: failed to copy binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "/tmp/syz-executor1550377621" "root@10.128.10.29:./syz-executor1550377621"]: exit status 255
Executing: program /usr/bin/ssh host 10.128.10.29, user root, command sftp
OpenSSH_9.2p1 Debian-2+deb12u1, OpenSSL 3.0.11 19 Sep 2023
debug1: Reading configuration data /dev/null
debug1: Connecting to 10.128.10.29 [10.128.10.29] port 22.
debug1: connect to address 10.128.10.29 port 22: Connection timed out
ssh: connect to host 10.128.10.29 port 22: Connection timed out
scp: Connection closed

run #9: basic kernel testing failed: failed to copy binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "/tmp/syz-executor2247536084" "root@10.128.10.30:./syz-executor2247536084"]: exit status 255
Executing: program /usr/bin/ssh host 10.128.10.30, user root, command sftp
OpenSSH_9.2p1 Debian-2+deb12u1, OpenSSL 3.0.11 19 Sep 2023
debug1: Reading configuration data /dev/null
debug1: Connecting to 10.128.10.30 [10.128.10.30] port 22.
debug1: connect to address 10.128.10.30 port 22: Connection timed out
ssh: connect to host 10.128.10.30 port 22: Connection timed out
scp: Connection closed

run #10: basic kernel testing failed: failed to copy binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "/tmp/syz-executor1405273929" "root@10.128.10.32:./syz-executor1405273929"]: exit status 255
Executing: program /usr/bin/ssh host 10.128.10.32, user root, command sftp
OpenSSH_9.2p1 Debian-2+deb12u1, OpenSSL 3.0.11 19 Sep 2023
debug1: Reading configuration data /dev/null
debug1: Connecting to 10.128.10.32 [10.128.10.32] port 22.
debug1: connect to address 10.128.10.32 port 22: Connection timed out
ssh: connect to host 10.128.10.32 port 22: Connection timed out
scp: Connection closed

run #11: basic kernel testing failed: failed to copy binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "/tmp/syz-executor232191876" "root@10.128.10.33:./syz-executor232191876"]: exit status 255
Executing: program /usr/bin/ssh host 10.128.10.33, user root, command sftp
OpenSSH_9.2p1 Debian-2+deb12u1, OpenSSL 3.0.11 19 Sep 2023
debug1: Reading configuration data /dev/null
debug1: Connecting to 10.128.10.33 [10.128.10.33] port 22.
debug1: connect to address 10.128.10.33 port 22: Connection timed out
ssh: connect to host 10.128.10.33 port 22: Connection timed out
scp: Connection closed

run #12: basic kernel testing failed: failed to copy binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "/tmp/syz-executor1336990308" "root@10.128.10.35:./syz-executor1336990308"]: exit status 255
Executing: program /usr/bin/ssh host 10.128.10.35, user root, command sftp
OpenSSH_9.2p1 Debian-2+deb12u1, OpenSSL 3.0.11 19 Sep 2023
debug1: Reading configuration data /dev/null
debug1: Connecting to 10.128.10.35 [10.128.10.35] port 22.
debug1: connect to address 10.128.10.35 port 22: Connection timed out
ssh: connect to host 10.128.10.35 port 22: Connection timed out
scp: Connection closed

run #13: basic kernel testing failed: failed to copy binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "/tmp/syz-executor345367713" "root@10.128.10.39:./syz-executor345367713"]: exit status 255
Executing: program /usr/bin/ssh host 10.128.10.39, user root, command sftp
OpenSSH_9.2p1 Debian-2+deb12u1, OpenSSL 3.0.11 19 Sep 2023
debug1: Reading configuration data /dev/null
debug1: Connecting to 10.128.10.39 [10.128.10.39] port 22.
debug1: connect to address 10.128.10.39 port 22: Connection timed out
ssh: connect to host 10.128.10.39 port 22: Connection timed out
scp: Connection closed

run #14: basic kernel testing failed: failed to copy binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "/tmp/syz-executor2050476253" "root@10.128.0.3:./syz-executor2050476253"]: exit status 255
Executing: program /usr/bin/ssh host 10.128.0.3, user root, command sftp
OpenSSH_9.2p1 Debian-2+deb12u1, 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 #15: basic kernel testing failed: failed to copy binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "/tmp/syz-executor4290484969" "root@10.128.10.44:./syz-executor4290484969"]: exit status 255
Executing: program /usr/bin/ssh host 10.128.10.44, user root, command sftp
OpenSSH_9.2p1 Debian-2+deb12u1, OpenSSL 3.0.11 19 Sep 2023
debug1: Reading configuration data /dev/null
debug1: Connecting to 10.128.10.44 [10.128.10.44] port 22.
debug1: connect to address 10.128.10.44 port 22: Connection timed out
ssh: connect to host 10.128.10.44 port 22: Connection timed out
scp: Connection closed

run #16: basic kernel testing failed: failed to copy binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "/tmp/syz-executor4291412335" "root@10.128.10.47:./syz-executor4291412335"]: exit status 255
Executing: program /usr/bin/ssh host 10.128.10.47, user root, command sftp
OpenSSH_9.2p1 Debian-2+deb12u1, OpenSSL 3.0.11 19 Sep 2023
debug1: Reading configuration data /dev/null
debug1: Connecting to 10.128.10.47 [10.128.10.47] port 22.
debug1: connect to address 10.128.10.47 port 22: Connection timed out
ssh: connect to host 10.128.10.47 port 22: Connection timed out
scp: Connection closed

run #17: OK
run #18: basic kernel testing failed: failed to copy binary to VM: timedout after 1m0s ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "/tmp/syz-executor2816092462" "root@10.128.10.40:./syz-executor2816092462"]
Executing: program /usr/bin/ssh host 10.128.10.40, user root, command sftp
OpenSSH_9.2p1 Debian-2+deb12u1, OpenSSL 3.0.11 19 Sep 2023
debug1: Reading configuration data /dev/null
debug1: Connecting to 10.128.10.40 [10.128.10.40] port 22.
debug1: fd 3 clearing O_NONBLOCK
debug1: Connection established.
debug1: identity file /root/.ssh/id_rsa type -1
debug1: identity file /root/.ssh/id_rsa-cert type -1
debug1: identity file /root/.ssh/id_ecdsa type -1
debug1: identity file /root/.ssh/id_ecdsa-cert type -1
debug1: identity file /root/.ssh/id_ecdsa_sk type -1
debug1: identity file /root/.ssh/id_ecdsa_sk-cert type -1
debug1: identity file /root/.ssh/id_ed25519 type -1
debug1: identity file /root/.ssh/id_ed25519-cert type -1
debug1: identity file /root/.ssh/id_ed25519_sk type -1
debug1: identity file /root/.ssh/id_ed25519_sk-cert type -1
debug1: identity file /root/.ssh/id_xmss type -1
debug1: identity file /root/.ssh/id_xmss-cert type -1
debug1: identity file /root/.ssh/id_dsa type -1
debug1: identity file /root/.ssh/id_dsa-cert type -1
debug1: Local version string SSH-2.0-OpenSSH_9.2p1 Debian-2+deb12u1
debug1: Remote protocol version 2.0, remote software version OpenSSH_9.1
debug1: compat_banner: match: OpenSSH_9.1 pat OpenSSH* compat 0x04000000
debug1: Authenticating to 10.128.10.40:22 as 'root'
debug1: load_hostkeys: fopen /etc/ssh/ssh_known_hosts: No such file or directory
debug1: load_hostkeys: fopen /etc/ssh/ssh_known_hosts2: No such file or directory
debug1: SSH2_MSG_KEXINIT sent

run #19: OK
representative crash: INFO: rcu detected stall in clock_adjtime, types: [HANG]
unable to determine the verdict: 2 good runs (wanted 10), for bad wanted 10 in total, got 7
revisions tested: 1, total time: 18m48.117705185s (build: 4m42.241981436s, test: 11m39.609446741s)
error: the crash wasn't reproduced on the original commit