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[Bug binutils/24005] objdump integer overflow in load_specific_debug_sec
From: |
tfx_sec at hotmail dot com |
Subject: |
[Bug binutils/24005] objdump integer overflow in load_specific_debug_section |
Date: |
Fri, 04 Jan 2019 14:14:16 +0000 |
https://sourceware.org/bugzilla/show_bug.cgi?id=24005
--- Comment #4 from mhsec <tfx_sec at hotmail dot com> ---
(In reply to Nick Clifton from comment #3)
> Hi mhsec,
>
> Thanks for reporting this problem. Unfortunately your proposed patch
> will not work as it will prevent the tools from handling 64-bit binaries
> with very large section sizes.
>
> Instead I have checked in an alternative patch which checks for integer
> overflow before attempting to allocate any memory, which prevents the
> heap corruption from happening.
>
> Cheers
> Nick
Hi Nick
I think the problem still exist if file size more than 0x100000000.
`amt > bfd_get_file_size (abfd)`
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