I have choosen "unlikely" because this bug has been around for ever ([1]) and the pool is only "cleared"; that is to say, the data is still valid, but the memory *could* be re-used.

[1]: http://svn.apache.org/viewvc/httpd/httpd/branches/2.4.x/modules/dav/main/mod_dav.c?revision=85717&view=markup&sortby=date#l1610

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* docs/manual/programs/htpasswd.xml: Document that bcrypt rounds are
capped at 17.

PR: 62078


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PR: 33207


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     on HTTP/2 connections. Fixes PR 62654. [Stefan Eissing]



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     afterwards. Otherwise errors are reported when other SSL using modules
     are in play. Fixes PR 62880. [Michael Kaufmann]



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  Apache::Test is stale and needs updating.


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Actually *len can be > 0 here, at least without a change I'm working on but now
think should be discussed first probably. Anyway r1844928 alone is broken, just
rollback for now.


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No functional change, we never get there when *len > 0.


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This needs the same bucket insertion code as in char_buffer_write(), so define
a new char_buffer_insert() helper.


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This improves performances while still preventing morphing buckets bound to
r->pool from reaching connection filters.


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Otherwise they are not considered by ap_filter_input_pending() and pipelining
is not detected (MPM event times out).


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Update doc accordingly.

Slightly tweak mod_speling doc

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statedir instead of runtimedir twice.


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                 onsuccess vs always

In PR 62380 a user was confused why Header set always
was not overriding a header set by a HTTP backend managed
via mod_proxy_http. The difference between 'onsuccess'
and 'always' is really subtle, even if somebody is familiar
with r->headers_out and r->err_headers_out and the httpd's
internals.

As Stefan mentioned over email, the absence of a "normalized"
headers list in the response should be explained, so I tried to
do so in this commit.





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Fix a cppcheck warning and a style issue.

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  message.


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  by SSLProxyMachineCertificate{File|Path}.
  The certificates and keys loaded during configuration time got lost during
  runtime if e.g. SSLProxyMachineCertificate{File|Path} was set on virtual host
  level and there was an SSL directive at directory level, e.g. SSLRequire.
  This fixes a regression likely introduced in r1740928.


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See https://github.com/jfclere/JBCSP-17 for example...


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at least not for OpenSSL 1.1.1. This is documented in the man
page for SSL_read and let to h2 failures when using OpenSSL 1.1.1.

When no data could be read, our code returned EAGAIN up until
OpenSSL 1.1.0, but APR_EOF for OpenSSL 1.1.1.

Now instead check SSL_get_error() also when SSL_read() returns 0.

To keep changes small, this change should not influence behavior,
when (rc=SSL_read()):
- rc < 0
- rc == 0 && *len > 0
- rc == 0 &&
  (APR_STATUS_IS_EAGAIN(inctx->rc) || APR_STATUS_IS_EINTR(inctx->rc) &&
  inctx->block == APR_NONBLOCK_READ

Behavior changes if
- rc == 0 &&
  !(APR_STATUS_IS_EAGAIN(inctx->rc) || APR_STATUS_IS_EINTR(inctx->rc) &&
  !*len > 0
  Instead of APR_EOF:
  - same behavior as rc < 0 for SSL_ERROR_WANT_READ
  - same behavior as rc < 0 for SSL_ERROR_SYSCALL && APR_STATUS_IS_EAGAIN(inctx->rc)

Another change is that rc == 0 && ssl_err == SSL_ERROR_ZERO_RETURN
also results in APR_EOF.


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  Set c->aborted before apr_brigade_cleanup to have the correct status
  when logging the request as apr_brigade_cleanup triggers the logging
  of the request if it contains an EOR bucket.

PR: 62823
Submitted by: Arnaud Grandville <contact@grandville.net>
Reviewed by:rpluem


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Compiling in maintainer mode leads to a failure
due to challenges_configured initialized but
not used. Removing it seems harmless, Stefan
please let me know if this is not the case.



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