x86, kaslr: Use char array to gain sizeof sanity

kees · H. Peter Anvin · commit 327f7d72454a · 2013-11-12T08:58:35.000-08:00
The build_str needs to be char [] not char * for the sizeof() to report the string length. Reported-by: Mathias Krause <minipli@googlemail.com> Signed-off-by: Kees Cook <keescook@chromium.org> Link: http://lkml.kernel.org/r/20131112165607.GA5921@www.outflux.net Signed-off-by: H. Peter Anvin <hpa@zytor.com>
diff --git a/arch/x86/boot/compressed/aslr.c b/arch/x86/boot/compressed/aslr.c
@@ -13,7 +13,7 @@
 #include <linux/version.h>
 
 /* Simplified build-specific string for starting entropy. */
-static const char *build_str = UTS_RELEASE " (" LINUX_COMPILE_BY "@"
+static const char build_str[] = UTS_RELEASE " (" LINUX_COMPILE_BY "@"
 		LINUX_COMPILE_HOST ") (" LINUX_COMPILER ") " UTS_VERSION;
 
 #define I8254_PORT_CONTROL	0x43
