From 50b66dbf876a10e35604fe325dc307811fb17a1b Mon Sep 17 00:00:00 2001 From: Kees Cook Date: Tue, 10 Jun 2014 10:54:06 -0700 Subject: [PATCH] powerpc/xmon: avoid format string leaking to printk This makes sure format strings cannot leak into printk (the string has already been correctly processed for format arguments). Signed-off-by: Kees Cook Signed-off-by: Benjamin Herrenschmidt --- arch/powerpc/xmon/nonstdio.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/powerpc/xmon/nonstdio.c b/arch/powerpc/xmon/nonstdio.c index bce3dcfe5058..c98748617896 100644 --- a/arch/powerpc/xmon/nonstdio.c +++ b/arch/powerpc/xmon/nonstdio.c @@ -122,7 +122,7 @@ void xmon_printf(const char *format, ...) if (n && rc == 0) { /* No udbg hooks, fallback to printk() - dangerous */ - printk(xmon_outbuf); + printk("%s", xmon_outbuf); } } -- 2.20.1