Fix ____longjmp_chk for s390/s390x.

git-mirror · Jan 20, 2010 · e3b7670 · e3b7670
1 parent cff0be8
commit e3b7670
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Showing 3 changed files with 9 additions and 2 deletions.
diff --git a/ChangeLog b/ChangeLog
@@ -1,3 +1,10 @@
+2010-01-20  Andreas Schwab  <schwab@redhat.com>
+
+	* sysdeps/unix/sysv/linux/s390/s390-32/____longjmp_chk.c
+	(CHECK_SP): Fix check for alternate stack.
+	* sysdeps/unix/sysv/linux/s390/s390-64/____longjmp_chk.c
+	(CHECK_SP): Likewise.
+
 2010-01-19  H.J. Lu  <hongjiu.lu@intel.com>
 
 	* sysdeps/i386/i686/multiarch/memmove.S: Also check

diff --git a/sysdeps/unix/sysv/linux/s390/s390-32/____longjmp_chk.c b/sysdeps/unix/sysv/linux/s390/s390-32/____longjmp_chk.c
@@ -46,7 +46,7 @@
 	    {								\
 	      if ((oss.ss_flags & SS_ONSTACK) == 0			\
 		  || ((uintptr_t) (oss.ss_sp + oss.ss_size) - new_sp	\
-		      >= oss.ss_size))					\
+		      < oss.ss_size))					\
 		__fortify_fail ("longjmp causes uninitialized stack frame");\
 	    }								\
 	}								\

diff --git a/sysdeps/unix/sysv/linux/s390/s390-64/____longjmp_chk.c b/sysdeps/unix/sysv/linux/s390/s390-64/____longjmp_chk.c
@@ -46,7 +46,7 @@
 	    {								\
 	      if ((oss.ss_flags & SS_ONSTACK) == 0			\
 		  || ((uintptr_t) (oss.ss_sp + oss.ss_size) - new_sp	\
-		      >= oss.ss_size))					\
+		      < oss.ss_size))					\
 		__fortify_fail ("longjmp causes uninitialized stack frame");\
 	    }								\
 	}								\