[Dovecot] A few rc17 imap crashes

[Timo Sirainen]

On Thu, 2007-01-18 at 17:42 +0000, Chris Wakelin wrote:
> I've got three reproducible rc17 crashes, all fixed in
> dovecot-20070117.tar.gz, and I've managed to get the same crashes in
> Solaris 10 on Sparc. However, Solaris 10 has walkcontext() so I've been
> able to use versions with the memdebug-* patches. The
> memdebug-delayed.diff version doesn't crash or log anything interesting,
> but the memdebug-bof.diff version does:

memdebug-bof.diff had the possibility to notice it, but it should have
logged an error in that case. Your backtraces show that it crashed so it
didn't detect the overflow. Anyway, I think that's still somewhat
expected because it wasn't exactly ordinary buffer overflow.

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