From: "Robert P. J. Day" <[email protected]>
Signed-off-by: Robert P. J. Day <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Andi Kleen <[email protected]>
---
include/asm-i386/uaccess.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
Index: linux/include/asm-i386/uaccess.h
===================================================================
--- linux.orig/include/asm-i386/uaccess.h
+++ linux/include/asm-i386/uaccess.h
@@ -581,7 +581,7 @@ long __must_check __strncpy_from_user(ch
* If there is a limit on the length of a valid string, you may wish to
* consider using strnlen_user() instead.
*/
-#define strlen_user(str) strnlen_user(str, ~0UL >> 1)
+#define strlen_user(str) strnlen_user(str, LONG_MAX)
long strnlen_user(const char __user *str, long n);
unsigned long __must_check clear_user(void __user *mem, unsigned long len);
-
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