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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


--- 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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