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[Bug binutils/24707] binutils crash invoke files, by using afl fuzzing


From: nickc at redhat dot com
Subject: [Bug binutils/24707] binutils crash invoke files, by using afl fuzzing
Date: Fri, 28 Jun 2019 12:35:24 +0000

https://sourceware.org/bugzilla/show_bug.cgi?id=24707

Nick Clifton <nickc at redhat dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |RESOLVED
                 CC|                            |nickc at redhat dot com
         Resolution|---                         |FIXED

--- Comment #2 from Nick Clifton <nickc at redhat dot com> ---
Hi Hywook4,

  Thanks for reporting this problem.  It was not really a crash, but rather
  a case of the objdump program being tricked into an attempt to allocate
  a huge amount of memory.  This is trapped by the sanitizer, which then
  aborts the program.

  I have checked in a patch to catch the problem before malloc() is called,
  and instead issue an error message, before allowing the program to 
  continue.

Cheers
  Nick

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