Commit 50b66dbf authored Jun 10, 2014 by Kees Cook Committed by Benjamin Herrenschmidt Jun 11, 2014

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 <keescook@chromium.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>

parent 3752e453

arch/powerpc/xmon/nonstdio.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -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);
		}
		}