lib/glibc
1
0
Fork 0
mirror of https://sourceware.org/git/glibc.git synced 2025-08-07 06:43:00 +03:00
Code Activity

For PR 14055, add bounds check to _dl_show_auxv().

Browse Source
This commit is contained in:
Paul Pluzhnikov
2012-05-02 14:35:30 -07:00
parent ff8a695b6d
commit 171a70b4c0
3 changed files with 10 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

5
ChangeLog
View File

@@ -1,3 +1,8 @@
2012-05-02 Paul Pluzhnikov <ppluzhnikov@google.com>
[BZ #14055]
* elf/dl-sysdep.c (_dl_show_auxv): Add bounds check.
2012-05-02 Andreas Jaeger <aj@suse.de> 2012-05-02 Andreas Jaeger <aj@suse.de>
* math/Makefile (CPPFLAGS-test-ildoubl.c): Add -frounding-math * math/Makefile (CPPFLAGS-test-ildoubl.c): Add -frounding-math

2
NEWS
View File

@@ -23,7 +23,7 @@ Version 2.16
13873, 13879, 13883, 13886, 13892, 13895, 13908, 13910, 13911, 13912, 13873, 13879, 13883, 13886, 13892, 13895, 13908, 13910, 13911, 13912,
13913, 13915, 13916, 13917, 13918, 13919, 13920, 13921, 13924, 13926, 13913, 13915, 13916, 13917, 13918, 13919, 13920, 13921, 13924, 13926,
13927, 13928, 13938, 13941, 13942, 13963, 13967, 13970, 13973, 14027, 13927, 13928, 13938, 13941, 13942, 13963, 13967, 13970, 13973, 14027,
14033, 14034, 14040 14033, 14034, 14040, 14055
* ISO C11 support: * ISO C11 support:

6
elf/dl-sysdep.c
View File

@@ -1,5 +1,5 @@
/* Operating system support for run-time dynamic linker. Generic Unix version. /* Operating system support for run-time dynamic linker. Generic Unix version.
Copyright (C) 1995-1998,2000-2008,2009,2010 Copyright (C) 1995-1998,2000-2010,2012
Free Software Foundation, Inc. Free Software Foundation, Inc.
This file is part of the GNU C Library. This file is part of the GNU C Library.
@@ -303,7 +303,9 @@ _dl_show_auxv (void)
}; };
unsigned int idx = (unsigned int) (av->a_type - 2); unsigned int idx = (unsigned int) (av->a_type - 2);
if ((unsigned int) av->a_type < 2u || auxvars[idx].form == ignore) if ((unsigned int) av->a_type < 2u
|| (idx < sizeof (auxvars) / sizeof (auxvars[0])
&& auxvars[idx].form == ignore))
continue; continue;
assert (AT_NULL == 0); assert (AT_NULL == 0);