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<b><a class="bz_bug_link
bz_status_UNCONFIRMED "
title="UNCONFIRMED - Add a test verifying cache deduplication is not sensitive to SHA1 collision attack"
href="https://bugs.webkit.org/show_bug.cgi?id=168774#c33">Comment # 33</a>
on <a class="bz_bug_link
bz_status_UNCONFIRMED "
title="UNCONFIRMED - Add a test verifying cache deduplication is not sensitive to SHA1 collision attack"
href="https://bugs.webkit.org/show_bug.cgi?id=168774">bug 168774</a>
from <span class="vcard"><a class="email" href="mailto:clopez@igalia.com" title="Carlos Alberto Lopez Perez <clopez@igalia.com>"> <span class="fn">Carlos Alberto Lopez Perez</span></a>
</span></b>
<pre>(In reply to <a href="show_bug.cgi?id=168774#c32">comment #32</a>)
<span class="quote">> (In reply to <a href="show_bug.cgi?id=168774#c30">comment #30</a>)
> > (In reply to <a href="show_bug.cgi?id=168774#c28">comment #28</a>)
> > > Oh wow, incredible.
> > >
> > > Is it fixable, or are we just totally hosed? Are we going to need to delete
> > > all the SVN history since this commit from the server in order to avoid the
> > > hash collision?
> >
> > For the record: the commits have been deleted, but the SVN is still hosed.
> >
> > Mailing list thread:
> > <a href="https://lists.webkit.org/pipermail/webkit-dev/2017-February/028792.html">https://lists.webkit.org/pipermail/webkit-dev/2017-February/028792.html</a>
>
> It broke our SVN mirror too, it can't be sync anymore after r212950:
>
> Transmitting file data .....svnsync: E200014: Checksum mismatch for
> resulting fulltext
> (/trunk/LayoutTests/http/tests/cache/disk-cache/resources/shattered-2.pdf):
> expected: 5bd9d8cabc46041579a311230539b8d1
> actual: ee4aa52b139d925f8d8884402b0a750c</span >
Right.
And this is the proper way to fix this.
The current repository should be replaced with a mirror until r212950</pre>
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