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authorMatt Fleming <matt.fleming@intel.com>2014-04-03 14:46:20 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2014-04-03 16:20:49 -0700
commita0c32761e73c9999cbf592b702f284221fea8040 (patch)
treeae4d499ba62c67522820f9c33c2e0a4878cde55a /arch
parent59ecc26004e77e100c700b1d0da7502b0fdadb46 (diff)
downloadlinux-a0c32761e73c9999cbf592b702f284221fea8040.tar.bz2
sh: fix format string bug in stack tracer
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 <matt.fleming@intel.com> Reported-by: Kees Cook <keescook@chromium.org> Acked-by: Kees Cook <keescook@chromium.org> Cc: Paul Mundt <lethal@linux-sh.org> Cc: <stable@vger.kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch')
-rw-r--r--arch/sh/kernel/dumpstack.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/sh/kernel/dumpstack.c b/arch/sh/kernel/dumpstack.c
index b959f5592604..8dfe645bcc4b 100644
--- a/arch/sh/kernel/dumpstack.c
+++ b/arch/sh/kernel/dumpstack.c
@@ -115,7 +115,7 @@ 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);
}