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2012-03-05 Tom de Vries <tom@codesourcery.com>

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* sysdeps/generic/dl-osinfo.h (_dl_setup_stack_chk_guard): Ensure
	default stack guard is set in last bytes.
	* sysdeps/unix/sysv/linux/dl-osinfo.h (_dl_setup_stack_chk_guard): Same.
This commit is contained in:
Tom de Vries 2012-03-05 11:05:42 +01:00 committed by Andreas Jaeger
parent 21bb2d2e64
commit 6c6a98c983
3 changed files with 10 additions and 4 deletions
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6
ChangeLog
View File

@ -1,3 +1,9 @@
2012-03-05 Tom de Vries <tom@codesourcery.com>
* sysdeps/generic/dl-osinfo.h (_dl_setup_stack_chk_guard): Ensure
default stack guard is set in last bytes.
* sysdeps/unix/sysv/linux/dl-osinfo.h (_dl_setup_stack_chk_guard): Same.
2012-03-05 Kees Cook <keescook@chromium.org>
* stdio-common/vfprintf.c (vfprintf): add missing errno settings.

4
sysdeps/generic/dl-osinfo.h
View File

@ -30,8 +30,8 @@ _dl_setup_stack_chk_guard (void *dl_random)
if (dl_random == NULL)
{
ret.bytes[sizeof (ret) - 2] = 255;
ret.bytes[sizeof (ret) - 3] = '\n';
ret.bytes[sizeof (ret) - 1] = 255;
ret.bytes[sizeof (ret) - 2] = '\n';
}
else
{

4
sysdeps/unix/sysv/linux/dl-osinfo.h
View File

@ -84,8 +84,8 @@ _dl_setup_stack_chk_guard (void *dl_random)
return ret.num;
}
# endif
ret.bytes[filllen - 2] = 255;
ret.bytes[filllen - 3] = '\n';
ret.bytes[filllen] = 255;
ret.bytes[filllen - 1] = '\n';
}
else
#endif