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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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