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Re: Unbounded memory usage in mod_dav + mod_headers/mod_deflate/...

From: Evgeny Kotkov <evgeny.kotkov_at_visualsvn.com>
Date: Tue, 6 Sep 2016 18:41:33 +0300

Christophe JAILLET <christophe.jaillet_at_wanadoo.fr> writes:

> Hi,
> while looking at some memory consumption issue in mod_dav, you can also
> have a look at the proposed patches in :
> https://bz.apache.org/bugzilla/show_bug.cgi?id=48130
> Definitively not the same approach, but the same goal.

Thanks for the link. We had a lengthy discussion about the mod_dav's
memory usage during PROPFIND requests in svn-dev@ [1].

However, the problem I described in this thread is different, and it just
happens to have the same visible consequence.

What is probably more important, the dav_send_one_response() function
that has the flaw (see the proposed patch) *just* got promoted into a public
API, and will become the part of the next 2.4.x release [2]. So I prepared
the patch, assuming that it would be better to fix this before it becomes

[1] https://mail-archives.apache.org/mod_mbox/subversion-dev/201512.mbox/%3CCAP_GPNhA4hBFdOC7Z1D-K9h_NHm8d7WjyfSF4oUOteUepkjaaA@mail.gmail.com%3E
[2] https://svn.apache.org/r1756561

Evgeny Kotkov
Received on 2016-09-06 17:41:59 CEST

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