{ "schema": 1, "sqlstate": "08P01", "condition_name": "protocol_violation", "runner": "scripts/verify_cases.py", "targets": { "latest": { "binary": "Homebrew PostgreSQL 18.6", "required": true }, "pg10": { "image": "postgres:10", "required": true } }, "cases": [ { "id": "protocol_violation", "versions": [ "10", "18" ], "preconditions": [ "A runner-owned disposable target is provisioned." ], "trigger": "Complete a startup handshake, then send a correctly framed unknown frontend message type.", "assertions": [ "The selected server diagnostic has the expected SQLSTATE", "The selected recovery/probe assertions pass", "Runner-owned resources are cleaned up" ], "repair": "Follow the case-specific repair statements and verify the resulting state.", "cleanup": "Drop the case schema with an owner connection." } ], "evidence_status": "authored", "snippets": [ { "id": "protocol_violation", "case_id": "protocol_violation", "language": "sql", "statements": { "probe": "SELECT 1" } } ], "runtime": [ { "id": "runtime.08P01-eof-repair-latest.latest", "kind": "runtime_observation", "run_id": "08P01-eof-repair-latest", "target": "latest", "status": "passed", "server_version": "18.6 (Homebrew)", "server_version_num": 180006, "cases": [ "protocol_violation" ], "summary_sha256": "092ffb28a00d072464781f159a4046646f4de9fa377c7733d4f0b6d6d36e6f27", "raw_sha256": "6364ec948d1e14121ac160f82f7097d5412eae6f39f434f3a9a87c0f83f37125", "case_manifest_sha256": "ff8ea1b7c0555be091611aff9149037af8d78ab3abefb82a3954e42b646da437", "snippet_registry": { "sha256": "8fad2a3b728b304d1a81f48779c44eae892da89542ba9fb1a5cb93669bf3e90f" }, "environment": { "target_kind": "latest", "server_version": "18.6 (Homebrew)", "server_version_num": "180006", "machine": "arm64", "platform": "macOS-26.6.2-arm64-arm-64bit-Mach-O", "libpq_version": "18.6", "psycopg_version": "3.3.5", "python_version": "3.14.6 (main, Jun 10 2026, 10:03:53) [Clang 21.0.0 (clang-2100.0.123.102)]", "locale": "en_US.UTF-8", "lc_messages": "C", "log_destination": "csvlog,jsonlog" }, "observed": { "collector": { "primary": "invalid frontend message type 89", "severity": "FATAL", "sqlstate": "08P01" }, "connection_scope": "runner-owned TCP endpoint", "eof_probe_error": null, "invalid_frontend_message_type": "Y", "probe": 1, "probe_status": "IDLE", "server_eof_after_fatal": true, "server_error": { "C": "08P01", "F": "postgres.c", "L": "456", "M": "invalid frontend message type 89", "R": "SocketBackend", "S": "FATAL", "V": "FATAL" }, "startup_messages": [ "R", "S", "S", "S", "S", "S", "S", "S", "S", "S", "S", "S", "S", "S", "S", "S", "K", "Z" ] }, "assertions": [ { "expected": "08P01", "name": "protocol SQLSTATE comes from server ErrorResponse", "observed": "08P01", "passed": true }, { "expected": "FATAL", "name": "protocol violation is fatal", "observed": "FATAL", "passed": true }, { "expected": "invalid frontend message diagnostic", "name": "invalid message diagnostic", "observed": "invalid frontend message type 89", "passed": true }, { "expected": true, "name": "server closes fatal protocol session", "observed": { "eof": true, "error": null }, "passed": true }, { "expected": "ReadyForQuery (Z)", "name": "startup reached ReadyForQuery", "observed": [ "R", "S", "S", "S", "S", "S", "S", "S", "S", "S", "S", "S", "S", "S", "S", "S", "K", "Z" ], "passed": true }, { "expected": "SELECT 1 and IDLE", "name": "separate connection remains usable", "observed": { "probe": 1, "status": "IDLE" }, "passed": true } ], "cleanup": { "case": { "errors": [], "passed": true } }, "limits": "Disposable runner-owned target only; this is a bounded mechanism case, not a guarantee for every client or network path.", "result": { "status": "passed", "environment": { "TimeZone": "Asia/Shanghai", "backend_pid": 88211, "binary": { "bindir": "/opt/homebrew/Cellar/postgresql@18/18.6/bin", "pg_config": "/opt/homebrew/bin/pg_config", "pg_config_version": "PostgreSQL 18.6 (Homebrew)", "postgres": "/opt/homebrew/Cellar/postgresql@18/18.6/bin/postgres" }, "connection_scope": "runner-owned localhost port", "current_user": "runner", "docker": {}, "lc_messages": "C", "libpq_version": "18.6", "locale": "en_US.UTF-8", "log_destination": "csvlog,jsonlog", "log_error_verbosity": "verbose", "log_min_error_statement": "error", "log_min_messages": "error", "logging_collector": "on", "machine": "arm64", "max_connections": "100", "platform": "macOS-26.6.2-arm64-arm-64bit-Mach-O", "psycopg_version": "3.3.5", "python_version": "3.14.6 (main, Jun 10 2026, 10:03:53) [Clang 21.0.0 (clang-2100.0.123.102)]", "server_encoding": "UTF8", "server_version": "18.6 (Homebrew)", "server_version_num": "180006", "target_kind": "latest", "wal_level": "logical" }, "cases": [ { "assertions": [ { "expected": "08P01", "name": "protocol SQLSTATE comes from server ErrorResponse", "observed": "08P01", "passed": true }, { "expected": "FATAL", "name": "protocol violation is fatal", "observed": "FATAL", "passed": true }, { "expected": "invalid frontend message diagnostic", "name": "invalid message diagnostic", "observed": "invalid frontend message type 89", "passed": true }, { "expected": true, "name": "server closes fatal protocol session", "observed": { "eof": true, "error": null }, "passed": true }, { "expected": "ReadyForQuery (Z)", "name": "startup reached ReadyForQuery", "observed": [ "R", "S", "S", "S", "S", "S", "S", "S", "S", "S", "S", "S", "S", "S", "S", "S", "K", "Z" ], "passed": true }, { "expected": "SELECT 1 and IDLE", "name": "separate connection remains usable", "observed": { "probe": 1, "status": "IDLE" }, "passed": true } ], "case_id": "protocol_violation", "cleanup": { "errors": [], "passed": true }, "elapsed_seconds": 0.011, "observed": { "collector": { "primary": "invalid frontend message type 89", "severity": "FATAL", "sqlstate": "08P01" }, "connection_scope": "runner-owned TCP endpoint", "eof_probe_error": null, "invalid_frontend_message_type": "Y", "probe": 1, "probe_status": "IDLE", "server_eof_after_fatal": true, "server_error": { "C": "08P01", "F": "postgres.c", "L": "456", "M": "invalid frontend message type 89", "R": "SocketBackend", "S": "FATAL", "V": "FATAL" }, "startup_messages": [ "R", "S", "S", "S", "S", "S", "S", "S", "S", "S", "S", "S", "S", "S", "S", "S", "K", "Z" ] }, "schema": "c08p01_protocol_violation", "status": "passed" } ] } }, { "id": "runtime.08P01-eof-repair-pg10.pg10", "kind": "runtime_observation", "run_id": "08P01-eof-repair-pg10", "target": "pg10", "status": "passed", "server_version": "10.21 (Debian 10.21-1.pgdg90+1)", "server_version_num": 100021, "cases": [ "protocol_violation" ], "summary_sha256": "91736dfcfbf3d47205388295113f747c2e0693e844f90bcf9937e5adc530266c", "raw_sha256": "52ac4143e18bbc2fc2d8af0dbcb4d14ad54e8519fbdaa351e50b99aeb50f563d", "case_manifest_sha256": "ff8ea1b7c0555be091611aff9149037af8d78ab3abefb82a3954e42b646da437", "snippet_registry": { "sha256": "8fad2a3b728b304d1a81f48779c44eae892da89542ba9fb1a5cb93669bf3e90f" }, "environment": { "target_kind": "pg10", "server_version": "10.21 (Debian 10.21-1.pgdg90+1)", "server_version_num": "100021", "machine": "arm64", "platform": "macOS-26.6.2-arm64-arm-64bit-Mach-O", "libpq_version": "18.6", "psycopg_version": "3.3.5", "python_version": "3.14.6 (main, Jun 10 2026, 10:03:53) [Clang 21.0.0 (clang-2100.0.123.102)]", "locale": "en_US.UTF-8", "lc_messages": "en_US.utf8", "log_destination": "csvlog" }, "observed": { "collector": { "primary": "invalid frontend message type 89", "severity": "FATAL", "sqlstate": "08P01" }, "connection_scope": "runner-owned TCP endpoint", "eof_probe_error": null, "invalid_frontend_message_type": "Y", "probe": 1, "probe_status": "IDLE", "server_eof_after_fatal": true, "server_error": { "C": "08P01", "F": "postgres.c", "L": "467", "M": "invalid frontend message type 89", "R": "SocketBackend", "S": "FATAL", "V": "FATAL" }, "startup_messages": [ "R", "S", "S", "S", "S", "S", "S", "S", "S", "S", "S", "S", "K", "Z" ] }, "assertions": [ { "expected": "08P01", "name": "protocol SQLSTATE comes from server ErrorResponse", "observed": "08P01", "passed": true }, { "expected": "FATAL", "name": "protocol violation is fatal", "observed": "FATAL", "passed": true }, { "expected": "invalid frontend message diagnostic", "name": "invalid message diagnostic", "observed": "invalid frontend message type 89", "passed": true }, { "expected": true, "name": "server closes fatal protocol session", "observed": { "eof": true, "error": null }, "passed": true }, { "expected": "ReadyForQuery (Z)", "name": "startup reached ReadyForQuery", "observed": [ "R", "S", "S", "S", "S", "S", "S", "S", "S", "S", "S", "S", "K", "Z" ], "passed": true }, { "expected": "SELECT 1 and IDLE", "name": "separate connection remains usable", "observed": { "probe": 1, "status": "IDLE" }, "passed": true } ], "cleanup": { "case": { "errors": [], "passed": true } }, "limits": "Disposable runner-owned target only; this is a bounded mechanism case, not a guarantee for every client or network path.", "image": "postgres:10", "result": { "status": "passed", "environment": { "TimeZone": "Etc/UTC", "backend_pid": 79, "binary": {}, "connection_scope": "runner-owned localhost port", "current_user": "postgres", "docker": { "architecture": "arm64", "command": "/usr/local/bin/docker", "digest": "sha256:b2baf8998630663d21370da06387c950e587071bdd307ee34e661cdcc7442bcc", "id": "sha256:b2baf8998630663d21370da06387c950e587071bdd307ee34e661cdcc7442bcc", "image": "postgres:10", "image_created": "2022-06-23T09:11:18.374607054Z", "image_ref": "postgres@sha256:b2baf8998630663d21370da06387c950e587071bdd307ee34e661cdcc7442bcc", "log_destination": "csvlog", "os": "linux", "repo_digests": [ "postgres@sha256:b2baf8998630663d21370da06387c950e587071bdd307ee34e661cdcc7442bcc" ] }, "lc_messages": "en_US.utf8", "libpq_version": "18.6", "locale": "en_US.UTF-8", "log_destination": "csvlog", "log_error_verbosity": "verbose", "log_min_error_statement": "error", "log_min_messages": "error", "logging_collector": "on", "machine": "arm64", "max_connections": "100", "platform": "macOS-26.6.2-arm64-arm-64bit-Mach-O", "psycopg_version": "3.3.5", "python_version": "3.14.6 (main, Jun 10 2026, 10:03:53) [Clang 21.0.0 (clang-2100.0.123.102)]", "server_encoding": "UTF8", "server_version": "10.21 (Debian 10.21-1.pgdg90+1)", "server_version_num": "100021", "target_kind": "pg10", "wal_level": "logical" }, "cases": [ { "assertions": [ { "expected": "08P01", "name": "protocol SQLSTATE comes from server ErrorResponse", "observed": "08P01", "passed": true }, { "expected": "FATAL", "name": "protocol violation is fatal", "observed": "FATAL", "passed": true }, { "expected": "invalid frontend message diagnostic", "name": "invalid message diagnostic", "observed": "invalid frontend message type 89", "passed": true }, { "expected": true, "name": "server closes fatal protocol session", "observed": { "eof": true, "error": null }, "passed": true }, { "expected": "ReadyForQuery (Z)", "name": "startup reached ReadyForQuery", "observed": [ "R", "S", "S", "S", "S", "S", "S", "S", "S", "S", "S", "S", "K", "Z" ], "passed": true }, { "expected": "SELECT 1 and IDLE", "name": "separate connection remains usable", "observed": { "probe": 1, "status": "IDLE" }, "passed": true } ], "case_id": "protocol_violation", "cleanup": { "errors": [], "passed": true }, "elapsed_seconds": 0.033, "observed": { "collector": { "primary": "invalid frontend message type 89", "severity": "FATAL", "sqlstate": "08P01" }, "connection_scope": "runner-owned TCP endpoint", "eof_probe_error": null, "invalid_frontend_message_type": "Y", "probe": 1, "probe_status": "IDLE", "server_eof_after_fatal": true, "server_error": { "C": "08P01", "F": "postgres.c", "L": "467", "M": "invalid frontend message type 89", "R": "SocketBackend", "S": "FATAL", "V": "FATAL" }, "startup_messages": [ "R", "S", "S", "S", "S", "S", "S", "S", "S", "S", "S", "S", "K", "Z" ] }, "schema": "c08p01_protocol_violation", "status": "passed" } ] } } ] }