[Kde-pim] Re: Review Request: Avoid overlapping memcpy in kio_imap

[Allen Winter]

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ok, i'm committing it to trunk (for 4.7) and 4.6,4.5,4.4

please close this review as committed.

- Allen


On Jan. 20, 2011, 6:08 p.m., Thomas Jarosch wrote:
> 
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> This is an automatically generated e-mail. To reply, visit:
> http://svn.reviewboard.kde.org/r/6389/
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> 
> (Updated Jan. 20, 2011, 6:08 p.m.)
> 
> 
> Review request for KDE PIM.
> 
> 
> Summary
> -------
> 
> Avoid overlapping memcpy in kio_imap.
> (Fixes serious crashes on Fedora 14)
> 
> Related article: http://lwn.net/Articles/414467/
> 
> ==4767== Source and destination overlap in memcpy(0x4d25b18, 0x4d25b1a, 33)
> ==4767==    at 0x4A073BA: memcpy (mc_replace_strmem.c:602)
> ==4767==    by 0xB10A9AF: IMAP4Protocol::myRead(void*, long) (string3.h:52)
> ==4767==    by 0xB10AAE4: IMAP4Protocol::parseRead(QByteArray&, long, long) (imap4.cpp:680)
> ==4767==    by 0xB125535: imapParser::parseLiteral(parseString&, bool, bool) (imapparser.cpp:1897)
> ==4767==    by 0xB12D798: imapParser::parseBody(parseString&) (imapparser.cpp:1382)
> ==4767==    by 0xB12E1D1: imapParser::parseFetch(unsigned long, parseString&) (imapparser.cpp:1490)
> ==4767==    by 0xB12EF84: imapParser::parseUntagged(parseString&) (imapparser.cpp:495)
> ==4767==    by 0xB12F4FD: imapParser::parseLoop() (imapparser.cpp:1743)
> ==4767==    by 0xB11DFD7: IMAP4Protocol::get(KUrl const&) (imap4.cpp:338)
> ==4767==    by 0x3D60D928A4: KIO::SlaveBase::dispatch(int, QByteArray const&) (in /usr/lib64/libkio.so.5.5.0)
> ==4767==    by 0xB108843: IMAP4Protocol::dispatch(int, QByteArray const&) (imap4.cpp:1828)
> ==4767==    by 0x3D60D8CBC2: KIO::SlaveBase::dispatchLoop() (in /usr/lib64/libkio.so.5.5.0)
> 
> 
> Diffs
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>   /trunk/KDE/kdepimlibs/kioslave/imap4/imap4.cpp 1198806 
> 
> Diff: http://svn.reviewboard.kde.org/r/6389/diff
> 
> 
> Testing
> -------
> 
> 
> Thanks,
> 
> Thomas
> 
>

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