ci2 starts bisection 2025-08-30 04:57:19.051080985 +0000 UTC m=+23464.687315362 bisecting fixing commit since 344a09659766c83c42cdd4943318deabde89a9c3 building syzkaller on 180708967e9f2cb26bc15973d46e3cd9cf3d2d80 ensuring issue is reproducible on original commit 344a09659766c83c42cdd4943318deabde89a9c3 testing commit 344a09659766c83c42cdd4943318deabde89a9c3 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 7d49636b87332ad9d6c1bc1940d3674265fae991ced565d585e40301b6b84336 all runs: crashed: WARNING in inet_sock_destruct representative crash: WARNING in inet_sock_destruct, types: [WARNING] check whether we can drop unnecessary instrumentation disabling configs for [locking atomic_sleep hang memleak ubsan kasan], they are not needed testing commit 344a09659766c83c42cdd4943318deabde89a9c3 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: bfab521d601d07e65b381114a7540eeeca0e050d59ffec969121f923d8894b04 all runs: crashed: WARNING in inet_sock_destruct representative crash: WARNING in inet_sock_destruct, types: [WARNING] the bug reproduces without the instrumentation disabling configs for [locking atomic_sleep hang memleak ubsan kasan], they are not needed kconfig minimization: base=7505 full=9711 leaves diff=1998 split chunks (needed=false): <1998> split chunk #0 of len 1998 into 5 parts testing without sub-chunk 1/5 disabling configs for [hang memleak ubsan kasan locking atomic_sleep], they are not needed testing commit 344a09659766c83c42cdd4943318deabde89a9c3 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: ec6867afb0fc4e8a3b14edd5cb66219025b34e3e7bc24c8f31ae84ab0818e06e all runs: crashed: WARNING in inet_sock_destruct representative crash: WARNING in inet_sock_destruct, types: [WARNING] the chunk can be dropped testing without sub-chunk 2/5 disabling configs for [ubsan kasan locking atomic_sleep hang memleak], they are not needed testing commit 344a09659766c83c42cdd4943318deabde89a9c3 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 0b96de447b3dc85fa5b5382334f3d5b327dd693ea02f41bed8bd7d5bd1d60e8e all runs: crashed: WARNING in inet_sock_destruct representative crash: WARNING in inet_sock_destruct, types: [WARNING] the chunk can be dropped testing without sub-chunk 3/5 disabling configs for [hang memleak ubsan kasan locking atomic_sleep], they are not needed testing commit 344a09659766c83c42cdd4943318deabde89a9c3 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 9fe8fee525a79b7432e107d1bd1a3fe5f33962f04b980a73e24997b4a041018e all runs: crashed: WARNING in inet_sock_destruct representative crash: WARNING in inet_sock_destruct, types: [WARNING] the chunk can be dropped testing without sub-chunk 4/5 disabling configs for [kasan locking atomic_sleep hang memleak ubsan], they are not needed testing commit 344a09659766c83c42cdd4943318deabde89a9c3 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 70c0d183fe866176b75d86509de8d722f0071b8f53b3e8caec7056bc388d25f4 all runs: crashed: WARNING in inet_sock_destruct representative crash: WARNING in inet_sock_destruct, types: [WARNING] the chunk can be dropped testing without sub-chunk 5/5 disabling configs for [hang memleak ubsan kasan locking atomic_sleep], they are not needed testing commit 344a09659766c83c42cdd4943318deabde89a9c3 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 1222af5fde7464f42c0962b884fa2fd7310a22f668838feee2b23d58bd94a7cd all runs: crashed: WARNING in inet_sock_destruct representative crash: WARNING in inet_sock_destruct, types: [WARNING] the chunk can be dropped disabling configs for [ubsan kasan locking atomic_sleep hang memleak], they are not needed determining the merge base between 344a09659766c83c42cdd4943318deabde89a9c3 and 11e7861d680c3757eab18ec0a474ff680e007dc4 830b3c68c1fb1e9176028d02ef86f3cf76aa2476/Linux 6.1 is a merge base, check if it has the bug testing commit 830b3c68c1fb1e9176028d02ef86f3cf76aa2476 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 8fc3ccec8a32c7c13247ac0b686dc961d3c58b5071bc7bb3eb21ec243153ddbd run #0: basic kernel testing failed: kernel BUG in page_table_check_set run #1: basic kernel testing failed: kernel BUG in page_table_check_set run #2: basic kernel testing failed: kernel BUG in page_table_check_set run #3: basic kernel testing failed: kernel BUG in page_table_check_set run #4: basic kernel testing failed: kernel BUG in page_table_check_set run #5: basic kernel testing failed: kernel BUG in page_table_check_set run #6: basic kernel testing failed: kernel BUG in page_table_check_set run #7: basic kernel testing failed: kernel BUG in page_table_check_set run #8: basic kernel testing failed: kernel BUG in __page_table_check_zero run #9: basic kernel testing failed: failed to copy syz-executor to VM: timedout after 1m0s ["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_arm64/syz-executor" "root@10.128.10.11:./syz-executor"] Executing: program /usr/bin/ssh host 10.128.10.11, user root, command sftp OpenSSH_9.2p1 Debian-2+deb12u7, OpenSSL 3.0.17 1 Jul 2025 debug1: Reading configuration data /dev/null debug1: Connecting to 10.128.10.11 [10.128.10.11] 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+deb12u7 debug1: Remote protocol version 2.0, remote software version OpenSSH_9.9 debug1: compat_banner: match: OpenSSH_9.9 pat OpenSSH* compat 0x04000000 debug1: Authenticating to 10.128.10.11:22 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 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 SHA256:146PbehfxYb054cxctsI8R6I92lu6KyAT+P1VxAf0cU 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 '10.128.10.11' (ED25519) to the list of known hosts. debug1: ssh_packet_send2_wrapped: resetting send seqnr 3 debug1: rekey out after 134217728 blocks debug1: SSH2_MSG_NEWKEYS sent debug1: expecting SSH2_MSG_NEWKEYS debug1: ssh_packet_read_poll2: resetting read seqnr 3 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: kex_input_ext_info: ping@openssh.com (unrecognised) debug1: SSH2_MSG_SERVICE_ACCEPT received Authenticated to 10.128.10.11 ([10.128.10.11]: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 unable to determine the verdict: 0 good runs (wanted 5), for bad wanted 5 in total, got 0 reproducer does not crash the merge base, so there's no known bad commit revisions tested: 8, total time: 1h53m4.802671848s (build: 53m36.054339654s, test: 44m55.424509714s) crash still not fixed or there were kernel test errors commit msg: Linux 6.1