[patch] ignore HWCAP_MASK for suid/sgid

glibc-hwcap-mask-secure.diff (text/plain), 985 bytes, created by Tavis Ormandy (RETIRED) on 2007-07-01 15:30:21 UTC

diff -ruNp elf/rtld.c elf/rtld.c
--- elf/rtld.c	2007-07-01 16:21:55.000000000 +0100
+++ elf/rtld.c	2007-07-01 16:20:38.000000000 +0100
@@ -2587,7 +2587,8 @@ process_envvars (enum mode *modep)
 
 	case 10:
 	  /* Mask for the important hardware capabilities.  */
-	  if (memcmp (envline, "HWCAP_MASK", 10) == 0)
+	  if (!INTUSE(__libc_enable_secure)
+          && memcmp (envline, "HWCAP_MASK", 10) == 0)
 	    GLRO(dl_hwcap_mask) = __strtoul_internal (&envline[11], NULL,
 						      0, 0);
 	  break;
diff -ruNp sysdeps/generic/unsecvars.h sysdeps/generic/unsecvars.h
--- sysdeps/generic/unsecvars.h	2005-01-06 22:40:19.000000000 +0000
+++ sysdeps/generic/unsecvars.h	2007-07-01 16:21:21.000000000 +0100
@@ -9,6 +9,7 @@
   "LD_DEBUG\0"								      \
   "LD_DEBUG_OUTPUT\0"							      \
   "LD_DYNAMIC_WEAK\0"							      \
+  "LD_HWCAP_MASK\0"                               \
   "LD_LIBRARY_PATH\0"							      \
   "LD_ORIGIN_PATH\0"							      \
   "LD_PRELOAD\0"							      \