From 75c623aeed530e1da2a97dfbfaef86b55121e00f Mon Sep 17 00:00:00 2001 From: Matt Fleming Date: Thu, 3 Apr 2014 14:46:20 -0700 Subject: sh: fix format string bug in stack tracer commit a0c32761e73c9999cbf592b702f284221fea8040 upstream. Kees reported the following error: arch/sh/kernel/dumpstack.c: In function 'print_trace_address': arch/sh/kernel/dumpstack.c:118:2: error: format not a string literal and no format arguments [-Werror=format-security] Use the "%s" format so that it's impossible to interpret 'data' as a format string. Signed-off-by: Matt Fleming Reported-by: Kees Cook Acked-by: Kees Cook Cc: Paul Mundt Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds Signed-off-by: Ben Hutchings --- arch/sh/kernel/dumpstack.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'arch') diff --git a/arch/sh/kernel/dumpstack.c b/arch/sh/kernel/dumpstack.c index 694158b9a50f..3a6528c1b1cd 100644 --- a/arch/sh/kernel/dumpstack.c +++ b/arch/sh/kernel/dumpstack.c @@ -80,7 +80,7 @@ static int print_trace_stack(void *data, char *name) */ static void print_trace_address(void *data, unsigned long addr, int reliable) { - printk(data); + printk("%s", (char *)data); printk_address(addr, reliable); } -- cgit v1.2.3