[PATCH] x86, kaslr: use char array to gain sizeof sanity

[Kees Cook]

The build_str needs to be char [] not char * for the sizeof() to report
the string length.

Reported-by: Mathias Krause <minipli@xxxxxxxxxxxxxx>
Signed-off-by: Kees Cook <keescook@xxxxxxxxxxxx>
---
 arch/x86/boot/compressed/aslr.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/x86/boot/compressed/aslr.c b/arch/x86/boot/compressed/aslr.c
index 8746487fa916..9777ed15fbb9 100644
--- 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
-- 
1.7.9.5


-- 
Kees Cook
Chrome OS Security
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