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bug#20614: Segmentation fault when building on Power8 Little Endian
From: |
Eli Zaretskii |
Subject: |
bug#20614: Segmentation fault when building on Power8 Little Endian |
Date: |
Mon, 05 Oct 2015 12:39:12 +0300 |
> Cc: 20614@debbugs.gnu.org
> From: Petr Hracek <phracek@redhat.com>
> Date: Mon, 5 Oct 2015 11:16:32 +0200
>
> (gdb) p old_section_names + NEW_SECTION_H (nn).sh_name
> $2 = 0x4000128ceb51 <Address 0x4000128ceb51 out of bounds>
We have a function valid_pointer_p in alloc.c. What happens if you
use the same code in unexec, before the series of calls to strcmp that
crash, and only proceed to call strcmp if valid_pointer_p returns a
positive value?
- bug#20614: Segmentation fault when building on Power8 Little Endian, (continued)
- bug#20614: Segmentation fault when building on Power8 Little Endian, Eli Zaretskii, 2015/10/08
- bug#20614: Segmentation fault when building on Power8 Little Endian, Petr Hracek, 2015/10/08
- bug#20614: Segmentation fault when building on Power8 Little Endian, Eli Zaretskii, 2015/10/08
- bug#20614: Segmentation fault when building on Power8 Little Endian, Petr Hracek, 2015/10/08
- bug#20614: Segmentation fault when building on Power8 Little Endian, Eli Zaretskii, 2015/10/08
- bug#20614: Segmentation fault when building on Power8 Little Endian, Petr Hracek, 2015/10/08
- bug#20614: Segmentation fault when building on Power8 Little Endian, Eli Zaretskii, 2015/10/08
- bug#20614: Segmentation fault when building on Power8 Little Endian, Petr Hracek, 2015/10/08
- bug#20614: Segmentation fault when building on Power8 Little Endian, Eli Zaretskii, 2015/10/08
- bug#20614: Segmentation fault when building on Power8 Little Endian, Petr Hracek, 2015/10/08
- bug#20614: Segmentation fault when building on Power8 Little Endian,
Eli Zaretskii <=
- bug#20614: Segmentation fault when building on Power8 Little Endian, Petr Hracek, 2015/10/08
- bug#20614: Segmentation fault when building on Power8 Little Endian, Eli Zaretskii, 2015/10/08
- bug#20614: Segmentation fault when building on Power8 Little Endian, Petr Hracek, 2015/10/08
- bug#20614: Segmentation fault when building on Power8 Little Endian, Eli Zaretskii, 2015/10/08
- bug#20614: Segmentation fault when building on Power8 Little Endian, Petr Hracek, 2015/10/08
- bug#20614: Segmentation fault when building on Power8 Little Endian, Petr Hracek, 2015/10/08
- bug#20614: Segmentation fault when building on Power8 Little Endian, Eli Zaretskii, 2015/10/08
- bug#20614: Segmentation fault when building on Power8 Little Endian, Petr Hracek, 2015/10/08
- bug#20614: Segmentation fault when building on Power8 Little Endian, YAMAMOTO Mitsuharu, 2015/10/08
- bug#20614: Segmentation fault when building on Power8 Little Endian, Petr Hracek, 2015/10/08