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When a child stops, connections still open after the GOAWAY grace period are shut down with SSL_SHUTDOWN_FLAG_RAPID. That flag skips the terminating period, but OpenSSL still waits for all stream data to be acknowledged first. The GOAWAY just sent to a client that has already gone away never is, so the event thread waited for the idle timeout and the parent killed the child with SIGKILL (AH00046). Add SSL_SHUTDOWN_FLAG_NO_STREAM_FLUSH to the rapid shutdown. Generated-by: Claude Code (Claude Opus 5.5)
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I have reproduced the problem but the fix doesn't help. I am investigating. |
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When a child stops, connections still open after the GOAWAY grace period are shut down with
SSL_SHUTDOWN_FLAG_RAPID, but OpenSSL still waits for all stream data to be acknowledged first. A client that has already gone away never acknowledges the GOAWAY, so the child lingered until the idle timeout and was killed with SIGKILL (AH00046).This adds
SSL_SHUTDOWN_FLAG_NO_STREAM_FLUSHto the rapid shutdown.SECURITY.mdand https://www.apache.org/security/#reporting-a-vulnerability).APLOGNO()tag; numbers are assigned by a committer at merge time (seedocs/log-message-tags/README).changes-entries/*.txtfile is included, following the template inREADME.CHANGES(not needed otherwise).test/modules/xxxdirectory matching themodules/xxxmodule source, ortest/modules/corefor core server changes. On Unix, verify these pass locally with e.g.make check-pytest PYTEST_DIRS=test/modules/xxx.