ci starts bisection 2024-02-28 11:25:39.404973106 +0000 UTC m=+25856.764845111 bisecting cause commit starting from 45ec2f5f6ed3ec3a79ba1329ad585497cdcbe663 building syzkaller on 05e69c83495c941039dffc1f3688a34c9db69a56 ensuring issue is reproducible on original commit 45ec2f5f6ed3ec3a79ba1329ad585497cdcbe663 testing commit 45ec2f5f6ed3ec3a79ba1329ad585497cdcbe663 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 565f0c3a25b12a37ddc8864ccf5c3df8e68c585aed846fcc4c22b1a45d57fea8 run #0: crashed: INFO: task hung in cec_claim_log_addrs run #1: crashed: INFO: task hung in cec_claim_log_addrs run #2: crashed: INFO: task hung in cec_claim_log_addrs run #3: crashed: INFO: task hung in cec_claim_log_addrs run #4: crashed: INFO: task hung in cec_claim_log_addrs run #5: crashed: INFO: task hung in cec_claim_log_addrs run #6: crashed: INFO: task hung in cec_claim_log_addrs run #7: crashed: INFO: task hung in cec_claim_log_addrs run #8: crashed: INFO: task hung in cec_claim_log_addrs run #9: crashed: INFO: task hung in cec_claim_log_addrs run #10: 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-executor1899147527" "root@10.128.1.188:./syz-executor1899147527"] Executing: program /usr/bin/ssh host 10.128.1.188, 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 10.128.1.188 [10.128.1.188] 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 10.128.1.188:22 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 debug1: SSH2_MSG_KEXINIT received debug1: kex: algorithm: sntrup761x25519-sha512@openssh.com debug1: kex: host key algorithm: ssh-ed25519 debug1: kex: server->client cipher: chacha20-poly1305@openssh.com MAC: compression: none debug1: kex: client->server cipher: chacha20-poly1305@openssh.com MAC: compression: none debug1: expecting SSH2_MSG_KEX_ECDH_REPLY debug1: SSH2_MSG_KEX_ECDH_REPLY received debug1: Server host key: ssh-ed25519 SHA256:88IuL3orPAmVsyjIy2DvkKzVRHqGoDXxazNYOfOHasg 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 Warning: Permanently added '10.128.1.188' (ED25519) to the list of known hosts. debug1: rekey out after 134217728 blocks debug1: SSH2_MSG_NEWKEYS sent debug1: expecting SSH2_MSG_NEWKEYS debug1: SSH2_MSG_NEWKEYS received debug1: rekey in after 134217728 blocks debug1: Will attempt key: /root/.ssh/id_rsa debug1: Will attempt key: /root/.ssh/id_ecdsa debug1: Will attempt key: /root/.ssh/id_ecdsa_sk debug1: Will attempt key: /root/.ssh/id_ed25519 debug1: Will attempt key: /root/.ssh/id_ed25519_sk debug1: Will attempt key: /root/.ssh/id_xmss debug1: Will attempt key: /root/.ssh/id_dsa debug1: SSH2_MSG_EXT_INFO received debug1: kex_input_ext_info: server-sig-algs= debug1: kex_input_ext_info: publickey-hostbound@openssh.com=<0> debug1: SSH2_MSG_SERVICE_ACCEPT received Authenticated to 10.128.1.188 ([10.128.1.188]:22) using "none". debug1: channel 0: new session [client-session] (inactive timeout: 0) debug1: Requesting no-more-sessions@openssh.com debug1: Entering interactive session. debug1: pledge: network debug1: client_input_global_request: rtype hostkeys-00@openssh.com want_reply 0 debug1: Sending subsystem: sftp debug1: pledge: fork scp: debug1: stat remote: No such file or directory run #11: crashed: INFO: task hung in cec_claim_log_addrs run #12: crashed: INFO: task hung in cec_claim_log_addrs run #13: crashed: INFO: task hung in cec_claim_log_addrs run #14: OK run #15: OK run #16: OK run #17: OK run #18: OK run #19: OK representative crash: INFO: task hung in cec_claim_log_addrs, types: [HANG] check whether we can drop unnecessary instrumentation disabling configs for [LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP], they are not needed testing commit 45ec2f5f6ed3ec3a79ba1329ad585497cdcbe663 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: a071fb523b984f73e64a7331409c42c2a85f1bf29b95cb9971ddff7715832aaa all runs: crashed: INFO: task hung in cec_claim_log_addrs representative crash: INFO: task hung in cec_claim_log_addrs, types: [HANG] the bug reproduces without the instrumentation disabling configs for [LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP], they are not needed kconfig minimization: base=3937 full=7963 leaves diff=2020 split chunks (needed=false): <2020> split chunk #0 of len 2020 into 5 parts testing without sub-chunk 1/5 disabling configs for [BUG KASAN LOCKDEP ATOMIC_SLEEP LEAK UBSAN], they are not needed testing commit 45ec2f5f6ed3ec3a79ba1329ad585497cdcbe663 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 643aad6b767f5ea6499422181c8f18ee8cf8ef54d8c0cf1cf5e62d1d7dffc69b repro testing failure: failed to create VM pool: failed to create GCE image: create image operation failed: &{Code:INTERNAL_ERROR ErrorDetails:[] Location: Message:Internal error. Please try again or contact Google Support. (Code: 'Internal error') ForceSendFields:[] NullFields:[]}. revisions tested: 3, total time: 48m36.200122661s (build: 27m46.358112438s, test: 18m45.324015335s) error: config minimization failed: repro testing failure: failed to create VM pool: failed to create GCE image: create image operation failed: &{Code:INTERNAL_ERROR ErrorDetails:[] Location: Message:Internal error. Please try again or contact Google Support. (Code: 'Internal error') ForceSendFields:[] NullFields:[]}.