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[Bug binutils/17512] libbfd/binutils: crashes on fuzzed samples

From: nickc at redhat dot com
Subject: [Bug binutils/17512] libbfd/binutils: crashes on fuzzed samples
Date: Thu, 08 Jan 2015 13:53:54 +0000


--- Comment #160 from Nick Clifton <nickc at redhat dot com> ---
Hi Alexander,

> Problems with `sysdump`
> Errors:
>      34 Conditional jump or move depends on uninitialised value(s)
>       2 Invalid read of size ...
>       2 Process terminating with default action of signal 11 (SIGSEGV)
>      16 Use of uninitialised value of size ...

These should be fixed now.


--- Comment #161 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot 
gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
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The branch, master has been updated
       via  848cde35d61874521ad6c88a50f983d5ee7d2307 (commit)
      from  2279a12a44ede7a0a6d7375d90d33676fa8771ad (commit)

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- Log -----------------------------------------------------------------

commit 848cde35d61874521ad6c88a50f983d5ee7d2307
Author: Nick Clifton <address@hidden>
Date:   Thu Jan 8 13:52:42 2015 +0000

    Fix memory access violations triggered by running sysdump on fuzzed

        PR binutils/17512
        * sysdump.c (getINT): Fail if reading off the end of the buffer.
        Replace call to abort with a call to fatal.
        (getCHARS): Prevetn reading off the end of the buffer.


Summary of changes:
 binutils/ChangeLog |    4 ++++
 binutils/sysdump.c |   14 ++++++++++++--
 2 files changed, 16 insertions(+), 2 deletions(-)

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