This is a note to let you know that I've just added the patch titled
sh: fix format string bug in stack tracer
to the 3.4-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
sh-fix-format-string-bug-in-stack-tracer.patch
and it can be found in the queue-3.4 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <[email protected]> know about it.
>From a0c32761e73c9999cbf592b702f284221fea8040 Mon Sep 17 00:00:00 2001
From: Matt Fleming <[email protected]>
Date: Thu, 3 Apr 2014 14:46:20 -0700
Subject: sh: fix format string bug in stack tracer
From: Matt Fleming <[email protected]>
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 <[email protected]>
Reported-by: Kees Cook <[email protected]>
Acked-by: Kees Cook <[email protected]>
Cc: Paul Mundt <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
arch/sh/kernel/dumpstack.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/arch/sh/kernel/dumpstack.c
+++ b/arch/sh/kernel/dumpstack.c
@@ -80,7 +80,7 @@ static int print_trace_stack(void *data,
*/
static void print_trace_address(void *data, unsigned long addr, int reliable)
{
- printk(data);
+ printk("%s", (char *)data);
printk_address(addr, reliable);
}
Patches currently in stable-queue which might be from [email protected] are
queue-3.4/sh-fix-format-string-bug-in-stack-tracer.patch
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