ci2 starts bisection 2023-11-27 03:16:41.008520297 +0000 UTC m=+294025.809112861 bisecting fixing commit since 59b65efafe20d18e4d05e8b3f63445bc12cb2cda building syzkaller on 27cbe77f4f2a8de98c3d540ef77796263555fe6b ensuring issue is reproducible on original commit 59b65efafe20d18e4d05e8b3f63445bc12cb2cda testing commit 59b65efafe20d18e4d05e8b3f63445bc12cb2cda gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: e55f287517ddb91593248767ce0dca1fe16da45c4ab29ae6eff84510b535edf1 run #0: crashed: BUG: soft lockup in smp_call_function run #1: crashed: BUG: soft lockup in smp_call_function run #2: crashed: BUG: workqueue lockup run #3: crashed: no output from test machine run #4: crashed: no output from test machine run #5: crashed: no output from test machine run #6: crashed: no output from test machine run #7: crashed: no output from test machine run #8: crashed: no output from test machine run #9: crashed: no output from test machine run #10: crashed: no output from test machine run #11: crashed: no output from test machine run #12: crashed: BUG: workqueue lockup run #13: crashed: no output from test machine 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-executor1438809194" "root@10.128.1.169:./syz-executor1438809194"]: exit status 255 Executing: program /usr/bin/ssh host 10.128.1.169, user root, command sftp OpenSSH_9.2p1 Debian-2, OpenSSL 3.0.9 30 May 2023 debug1: Reading configuration data /dev/null debug1: Connecting to 10.128.1.169 [10.128.1.169] port 22. debug1: connect to address 10.128.1.169 port 22: Connection timed out ssh: connect to host 10.128.1.169 port 22: Connection timed out scp: Connection closed run #15: crashed: no output from test machine 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-executor2623250130" "root@10.128.1.19:./syz-executor2623250130"]: exit status 255 Executing: program /usr/bin/ssh host 10.128.1.19, user root, command sftp OpenSSH_9.2p1 Debian-2, OpenSSL 3.0.9 30 May 2023 debug1: Reading configuration data /dev/null debug1: Connecting to 10.128.1.19 [10.128.1.19] 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 Connection timed out during banner exchange Connection to 10.128.1.19 port 22 timed out scp: Connection closed run #17: 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-executor2858025207" "root@10.128.10.8:./syz-executor2858025207"]: exit status 255 Executing: program /usr/bin/ssh host 10.128.10.8, user root, command sftp OpenSSH_9.2p1 Debian-2, OpenSSL 3.0.9 30 May 2023 debug1: Reading configuration data /dev/null debug1: Connecting to 10.128.10.8 [10.128.10.8] 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 Connection timed out during banner exchange Connection to 10.128.10.8 port 22 timed out scp: Connection closed run #18: 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-executor3140314361" "root@10.128.10.22:./syz-executor3140314361"]: exit status 255 Executing: program /usr/bin/ssh host 10.128.10.22, user root, command sftp OpenSSH_9.2p1 Debian-2, OpenSSL 3.0.9 30 May 2023 debug1: Reading configuration data /dev/null debug1: Connecting to 10.128.10.22 [10.128.10.22] 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 Connection timed out during banner exchange Connection to 10.128.10.22 port 22 timed out scp: Connection closed run #19: 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-executor3914217452" "root@10.128.10.21:./syz-executor3914217452"]: exit status 255 Executing: program /usr/bin/ssh host 10.128.10.21, user root, command sftp OpenSSH_9.2p1 Debian-2, OpenSSL 3.0.9 30 May 2023 debug1: Reading configuration data /dev/null debug1: Connecting to 10.128.10.21 [10.128.10.21] 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 Connection timed out during banner exchange Connection to 10.128.10.21 port 22 timed out scp: Connection closed representative crash: BUG: workqueue lockup, types: [UNKNOWN] check whether we can drop unnecessary instrumentation disabling configs for [UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK], they are not needed testing commit 59b65efafe20d18e4d05e8b3f63445bc12cb2cda gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 7b2fa1620b9af7c00a5899ad048abb6a61c64184e4c9cc90a72f475592b5c525 run #0: crashed: BUG: workqueue lockup run #1: crashed: BUG: workqueue lockup run #2: 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-executor4224315074" "root@10.128.1.113:./syz-executor4224315074"]: exit status 255 Executing: program /usr/bin/ssh host 10.128.1.113, user root, command sftp OpenSSH_9.2p1 Debian-2, OpenSSL 3.0.9 30 May 2023 debug1: Reading configuration data /dev/null debug1: Connecting to 10.128.1.113 [10.128.1.113] port 22. debug1: connect to address 10.128.1.113 port 22: Connection timed out ssh: connect to host 10.128.1.113 port 22: Connection timed out scp: Connection closed run #3: crashed: no output from test machine run #4: crashed: no output from test machine run #5: crashed: no output from test machine run #6: 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-executor1121644667" "root@10.128.1.38:./syz-executor1121644667"] Executing: program /usr/bin/ssh host 10.128.1.38, user root, command sftp OpenSSH_9.2p1 Debian-2, OpenSSL 3.0.9 30 May 2023 debug1: Reading configuration data /dev/null debug1: Connecting to 10.128.1.38 [10.128.1.38] 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 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 10.128.1.38:22 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 #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-executor2050912648" "root@10.128.1.131:./syz-executor2050912648"]: exit status 255 Executing: program /usr/bin/ssh host 10.128.1.131, user root, command sftp OpenSSH_9.2p1 Debian-2, OpenSSL 3.0.9 30 May 2023 debug1: Reading configuration data /dev/null debug1: Connecting to 10.128.1.131 [10.128.1.131] 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 Connection timed out during banner exchange Connection to 10.128.1.131 port 22 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-executor105383796" "root@10.128.1.137:./syz-executor105383796"]: exit status 255 Executing: program /usr/bin/ssh host 10.128.1.137, user root, command sftp OpenSSH_9.2p1 Debian-2, OpenSSL 3.0.9 30 May 2023 debug1: Reading configuration data /dev/null debug1: Connecting to 10.128.1.137 [10.128.1.137] port 22. debug1: connect to address 10.128.1.137 port 22: Connection timed out ssh: connect to host 10.128.1.137 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-executor3989209565" "root@10.128.1.93:./syz-executor3989209565"]: exit status 255 Executing: program /usr/bin/ssh host 10.128.1.93, user root, command sftp OpenSSH_9.2p1 Debian-2, OpenSSL 3.0.9 30 May 2023 debug1: Reading configuration data /dev/null debug1: Connecting to 10.128.1.93 [10.128.1.93] port 22. debug1: connect to address 10.128.1.93 port 22: Connection timed out ssh: connect to host 10.128.1.93 port 22: Connection timed out scp: Connection closed representative crash: BUG: workqueue lockup, types: [UNKNOWN] the bug reproduces without the instrumentation disabling configs for [LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN BUG KASAN], they are not needed kconfig minimization: base=4789 full=6022 leaves diff=237 split chunks (needed=false): <237> split chunk #0 of len 237 into 5 parts testing without sub-chunk 1/5 disabling configs for [LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN BUG KASAN], they are not needed testing commit 59b65efafe20d18e4d05e8b3f63445bc12cb2cda gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 837b235a3c58e686172446548e8e18e6a4656c6421bba4465d242859ce180c61 run #0: crashed: BUG: workqueue lockup run #1: crashed: no output from test machine run #2: crashed: no output from test machine run #3: crashed: no output from test machine run #4: crashed: no output from test machine run #5: 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-executor1322556598" "root@10.128.1.169:./syz-executor1322556598"]: exit status 255 Executing: program /usr/bin/ssh host 10.128.1.169, user root, command sftp OpenSSH_9.2p1 Debian-2, OpenSSL 3.0.9 30 May 2023 debug1: Reading configuration data /dev/null debug1: Connecting to 10.128.1.169 [10.128.1.169] port 22. debug1: connect to address 10.128.1.169 port 22: Connection timed out ssh: connect to host 10.128.1.169 port 22: Connection timed out scp: Connection closed run #6: crashed: no output from test machine run #7: crashed: no output from test machine 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-executor1468096619" "root@10.128.10.7:./syz-executor1468096619"]: exit status 255 Executing: program /usr/bin/ssh host 10.128.10.7, user root, command sftp OpenSSH_9.2p1 Debian-2, OpenSSL 3.0.9 30 May 2023 debug1: Reading configuration data /dev/null debug1: Connecting to 10.128.10.7 [10.128.10.7] 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 Connection timed out during banner exchange Connection to 10.128.10.7 port 22 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-executor4165714218" "root@10.128.1.170:./syz-executor4165714218"]: exit status 255 Executing: program /usr/bin/ssh host 10.128.1.170, user root, command sftp OpenSSH_9.2p1 Debian-2, OpenSSL 3.0.9 30 May 2023 debug1: Reading configuration data /dev/null debug1: Connecting to 10.128.1.170 [10.128.1.170] 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 Connection timed out during banner exchange Connection to 10.128.1.170 port 22 timed out scp: Connection closed representative crash: BUG: workqueue lockup, types: [UNKNOWN] the chunk can be dropped testing without sub-chunk 2/5 disabling configs for [UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK], they are not needed testing commit 59b65efafe20d18e4d05e8b3f63445bc12cb2cda gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 76849cf316277a244281d67e447fdef1b016b61411fd6caa1d3db53f18a59db7 run #0: crashed: BUG: workqueue lockup run #1: crashed: no output from test machine run #2: crashed: no output from test machine run #3: crashed: no output from test machine run #4: crashed: no output from test machine run #5: 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-executor2450218748" "root@10.128.1.156:./syz-executor2450218748"]: exit status 255 Executing: program /usr/bin/ssh host 10.128.1.156, user root, command sftp OpenSSH_9.2p1 Debian-2, OpenSSL 3.0.9 30 May 2023 debug1: Reading configuration data /dev/null debug1: Connecting to 10.128.1.156 [10.128.1.156] 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 Connection timed out during banner exchange Connection to 10.128.1.156 port 22 timed out scp: Connection closed run #6: crashed: no output from test machine 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-executor2966013302" "root@10.128.1.144:./syz-executor2966013302"]: exit status 255 Executing: program /usr/bin/ssh host 10.128.1.144, user root, command sftp OpenSSH_9.2p1 Debian-2, OpenSSL 3.0.9 30 May 2023 debug1: Reading configuration data /dev/null debug1: Connecting to 10.128.1.144 [10.128.1.144] port 22. debug1: connect to address 10.128.1.144 port 22: Connection timed out ssh: connect to host 10.128.1.144 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-executor1669829217" "root@10.128.1.166:./syz-executor1669829217"]: exit status 255 Executing: program /usr/bin/ssh host 10.128.1.166, user root, command sftp OpenSSH_9.2p1 Debian-2, OpenSSL 3.0.9 30 May 2023 debug1: Reading configuration data /dev/null debug1: Connecting to 10.128.1.166 [10.128.1.166] 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 Connection timed out during banner exchange Connection to 10.128.1.166 port 22 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-executor2327638399" "root@10.128.1.181:./syz-executor2327638399"]: exit status 255 Executing: program /usr/bin/ssh host 10.128.1.181, user root, command sftp OpenSSH_9.2p1 Debian-2, OpenSSL 3.0.9 30 May 2023 debug1: Reading configuration data /dev/null debug1: Connecting to 10.128.1.181 [10.128.1.181] port 22. debug1: connect to address 10.128.1.181 port 22: Connection timed out ssh: connect to host 10.128.1.181 port 22: Connection timed out scp: Connection closed representative crash: BUG: workqueue lockup, types: [UNKNOWN] the chunk can be dropped testing without sub-chunk 3/5 disabling configs for [LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN BUG KASAN], they are not needed testing commit 59b65efafe20d18e4d05e8b3f63445bc12cb2cda gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 396eaa08277a280303261cd227eb02344224db5711a31770d7c86ff6ad5799a4 run #0: crashed: no output from test machine run #1: crashed: no output from test machine run #2: crashed: no output from test machine run #3: crashed: no output from test machine run #4: crashed: no output from test machine run #5: crashed: no output from test machine run #6: crashed: no output from test machine 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-executor3064902406" "root@10.128.1.152:./syz-executor3064902406"]: exit status 255 Executing: program /usr/bin/ssh host 10.128.1.152, user root, command sftp OpenSSH_9.2p1 Debian-2, OpenSSL 3.0.9 30 May 2023 debug1: Reading configuration data /dev/null debug1: Connecting to 10.128.1.152 [10.128.1.152] port 22. debug1: connect to address 10.128.1.152 port 22: Connection timed out ssh: connect to host 10.128.1.152 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-executor923704796" "root@10.128.1.175:./syz-executor923704796"]: exit status 255 Executing: program /usr/bin/ssh host 10.128.1.175, user root, command sftp OpenSSH_9.2p1 Debian-2, OpenSSL 3.0.9 30 May 2023 debug1: Reading configuration data /dev/null debug1: Connecting to 10.128.1.175 [10.128.1.175] 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 Connection timed out during banner exchange Connection to 10.128.1.175 port 22 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-executor4135725364" "root@10.128.1.178:./syz-executor4135725364"]: exit status 255 Executing: program /usr/bin/ssh host 10.128.1.178, user root, command sftp OpenSSH_9.2p1 Debian-2, OpenSSL 3.0.9 30 May 2023 debug1: Reading configuration data /dev/null debug1: Connecting to 10.128.1.178 [10.128.1.178] 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 Connection timed out during banner exchange Connection to 10.128.1.178 port 22 timed out scp: Connection closed representative crash: no output from test machine, types: [UNKNOWN] the chunk can be dropped testing without sub-chunk 4/5 disabling configs for [ATOMIC_SLEEP HANG LEAK UBSAN BUG KASAN LOCKDEP], they are not needed testing commit 59b65efafe20d18e4d05e8b3f63445bc12cb2cda gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 6ea63aeb75d1e509d5403cc687787e28121fa8dba06589675b42c11f3cddea7c run #0: crashed: BUG: workqueue lockup run #1: crashed: BUG: workqueue lockup run #2: crashed: BUG: workqueue lockup run #3: crashed: no output from test machine run #4: crashed: no output from test machine run #5: crashed: no output from test machine run #6: crashed: no output from test machine run #7: crashed: no output from test machine 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-executor1729371604" "root@10.128.1.165:./syz-executor1729371604"]: exit status 255 Executing: program /usr/bin/ssh host 10.128.1.165, user root, command sftp OpenSSH_9.2p1 Debian-2, OpenSSL 3.0.9 30 May 2023 debug1: Reading configuration data /dev/null debug1: Connecting to 10.128.1.165 [10.128.1.165] port 22. debug1: connect to address 10.128.1.165 port 22: Connection timed out ssh: connect to host 10.128.1.165 port 22: Connection timed out scp: Connection closed run #9: crashed: no output from test machine representative crash: BUG: workqueue lockup, types: [UNKNOWN] the chunk can be dropped testing without sub-chunk 5/5 disabling configs for [UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK], they are not needed testing commit 59b65efafe20d18e4d05e8b3f63445bc12cb2cda gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 failed building 59b65efafe20d18e4d05e8b3f63445bc12cb2cda: net/socket.c:1109: undefined reference to `wext_handle_ioctl' net/socket.c:3378: undefined reference to `compat_wext_handle_ioctl' net/core/net-procfs.c:346: undefined reference to `wext_proc_exit' net/core/net-procfs.c:330: undefined reference to `wext_proc_init' minimized to 45 configs; suspects: [HID_ZEROPLUS USB_NET_MCS7830 USB_NET_NET1080 USB_NET_PLUSB USB_NET_RNDIS_HOST USB_NET_SMSC75XX USB_NET_SMSC95XX USB_NET_SR9700 USB_NET_SR9800 USB_NET_ZAURUS USB_OHCI_HCD USB_OHCI_HCD_PCI USB_OHCI_HCD_PLATFORM USB_OTG USB_OTG_FSM USB_PRINTER USB_SERIAL USB_SERIAL_FTDI_SIO USB_SERIAL_GENERIC USB_SERIAL_PL2303 USB_STORAGE_ALAUDA USB_STORAGE_CYPRESS_ATACB USB_STORAGE_DATAFAB USB_STORAGE_FREECOM USB_STORAGE_ISD200 USB_STORAGE_JUMPSHOT USB_STORAGE_KARMA USB_STORAGE_ONETOUCH USB_STORAGE_SDDR09 USB_STORAGE_SDDR55 USB_STORAGE_USBAT USB_TRANCEVIBRATOR USB_U_AUDIO USB_U_ETHER USB_U_SERIAL USB_WDM WLAN WLAN_VENDOR_ATH WLAN_VENDOR_ATMEL WLAN_VENDOR_BROADCOM WLAN_VENDOR_INTERSIL WLAN_VENDOR_MARVELL WLAN_VENDOR_MEDIATEK WLAN_VENDOR_MICROCHIP WLAN_VENDOR_RALINK WLAN_VENDOR_REALTEK WLAN_VENDOR_RSI WLAN_VENDOR_ZYDAS X86_X32 ZEROPLUS_FF] disabling configs for [KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN BUG], they are not needed testing current HEAD d30b996835c08018a70dd52c588ba15de1c8378b testing commit d30b996835c08018a70dd52c588ba15de1c8378b gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 943c390312e4328cf96351cfd1d8dbca0277a938eb43abf76616568ecb8e8dc9 run #0: crashed: BUG: workqueue lockup run #1: crashed: BUG: workqueue lockup run #2: crashed: BUG: workqueue lockup run #3: crashed: BUG: workqueue lockup run #4: crashed: no output from test machine run #5: crashed: no output from test machine run #6: crashed: no output from test machine run #7: crashed: no output from test machine 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-executor2919507391" "root@10.128.10.38:./syz-executor2919507391"]: exit status 255 Executing: program /usr/bin/ssh host 10.128.10.38, user root, command sftp OpenSSH_9.2p1 Debian-2, OpenSSL 3.0.9 30 May 2023 debug1: Reading configuration data /dev/null debug1: Connecting to 10.128.10.38 [10.128.10.38] port 22. debug1: connect to address 10.128.10.38 port 22: Connection timed out ssh: connect to host 10.128.10.38 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-executor3791220458" "root@10.128.10.20:./syz-executor3791220458"]: exit status 255 Executing: program /usr/bin/ssh host 10.128.10.20, user root, command sftp OpenSSH_9.2p1 Debian-2, OpenSSL 3.0.9 30 May 2023 debug1: Reading configuration data /dev/null debug1: Connecting to 10.128.10.20 [10.128.10.20] 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 Connection timed out during banner exchange Connection to 10.128.10.20 port 22 timed out scp: Connection closed representative crash: BUG: workqueue lockup, types: [UNKNOWN] crash still not fixed/happens on the oldest tested release revisions tested: 7, total time: 1h15m12.4285912s (build: 12m33.683068591s, test: 1h1m6.094206087s) crash still not fixed or there were kernel test errors commit msg: Merge branch 'android13-5.10' into branch `android13-5.10-lts` crash: BUG: workqueue lockup BUG: workqueue lockup - pool cpus=0 node=0 flags=0x0 nice=0 stuck for 227s! BUG: workqueue lockup - pool cpus=0 node=0 flags=0x0 nice=-20 stuck for 224s! BUG: workqueue lockup - pool cpus=1 node=0 flags=0x0 nice=0 stuck for 220s! BUG: workqueue lockup - pool cpus=0-1 flags=0x4 nice=0 stuck for 226s! Showing busy workqueues and worker pools: workqueue events: flags=0x0 pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 pending: vmstat_shepherd workqueue events_unbound: flags=0x2 pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/512 refcnt=3 in-flight: 7:toggle_allocation_gate workqueue events_power_efficient: flags=0x80 pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 pending: neigh_periodic_work workqueue mm_percpu_wq: flags=0x8 pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 pending: vmstat_update workqueue writeback: flags=0x4a pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/256 refcnt=3 pending: wb_workfn workqueue kblockd: flags=0x18 pwq 1: cpus=0 node=0 flags=0x0 nice=-20 active=1/256 refcnt=2 pending: blk_mq_timeout_work workqueue wg-kex-wg0: flags=0x6 pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/256 refcnt=3 pending: wg_packet_handshake_send_worker workqueue wg-crypt-wg0: flags=0x28 pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 pending: wg_packet_encrypt_worker workqueue wg-crypt-wg1: flags=0x28 pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 pending: wg_packet_encrypt_worker pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 pending: wg_packet_encrypt_worker workqueue wg-kex-wg2: flags=0x6 pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/256 refcnt=3 pending: wg_packet_handshake_send_worker workqueue wg-crypt-wg2: flags=0x28 pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 pending: wg_packet_encrypt_worker pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 pending: wg_packet_encrypt_worker pool 4: cpus=0-1 flags=0x4 nice=0 hung=226s workers=4 idle: 2453 9 106