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Re: [Bug-cpio] Segfault when updating newc archives

From: Pavel Raiskup
Subject: Re: [Bug-cpio] Segfault when updating newc archives
Date: Thu, 29 Nov 2018 07:22:07 +0100

Thanks for the report.

On Wednesday, November 28, 2018 3:18:13 PM CET Burton, Ross wrote:
> Using current git master of cpio, and introduced with the
> CVE-2016-2037 out-of-bounds patch, I can trivially crash cpio.  For
> example from the top of the cpio git clone:
> $ find gnulib/ | ./src/cpio -o -H newc >foo.cpio
> 70240 blocks
> $ echo NEWS | ./src/cpio  -oA  -H newc -F foo.cpio
> Segmentation fault (core dumped)

Please have a look at the attached patch.


Attachment: 0001-Fix-segfault-with-append.patch
Description: Text Data

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