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Nikita FomichevandClaude Sonnet 4.6
3e4c0917a6
Two issues remained after the previous fix:
1. The ASan stack-size warning block (4 lines) was only partially
filtered in `clickhouse_proc.py`. The last line:
"For details see https://github.com/google/sanitizers/issues/189"
was not excluded, leaving `sanitizer_hits` non-empty and triggering
a spurious "Unknown error / Lost connection to server" result for
jobs that had no real sanitizer errors. Add the missing exclusion.
2. OpenSSL's EVP method cache (`evp_md_new`, `construct_evp_method`,
`CRYPTO_THREAD_lock_new`) is never freed at process exit. These
objects are allocated when the S3 client initializes HMAC via
`AWS SDK -> HMAC_Init_ex -> EVP_MD_fetch`. LSan reports them as
leaks, causing the server to abort with SIGABRT (`halt_on_error=1`),
which `clickhouse-test` records as "Unknown error / Lost connection
to server". Add suppressions to `__lsan_default_suppressions`.
Co-Authored-By: Claude Sonnet 4.6 (1M context) <[email protected]>