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Re: Another out of bounds heap read in bash completion


From: Hanno Böck
Subject: Re: Another out of bounds heap read in bash completion
Date: Fri, 10 Jul 2015 21:42:51 +0200

On Fri, 10 Jul 2015 15:34:02 -0400
Chet Ramey <address@hidden> wrote:

> > Here's the asan message on 4.4 alpha:
> > ==5999==ERROR: AddressSanitizer: heap-buffer-overflow on address
> > 0x602000
> 002d6f at pc 0x5ca2b8 bp 0x7fffc9d75240 sp 0x7fffc9d75230
> > READ of size 1 at 0x602000002d6f thread T0
> >     #0 0x5ca2b7 in
> > printable_part /mnt/ram/bash-4.4-alpha/lib/readline/co
> mplete.c:738
> 
> I can't reproduce this on fedora 22.  If you can, please run this from
> inside gdb and tell me what the values of `pathname', `x', `temp' are
> when it crashes.  Thanks.

I was unable to get this working in gdb, but I added some printf:
pathname 11728
x 11727
temp 11728

-- 
Hanno Böck
http://hboeck.de/

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