[U-Boot] [PATCH 3/4] Make printf and vprintf safe from buffer overruns
Mike Frysinger
vapier at gentoo.org
Fri Sep 23 22:31:55 CEST 2011
On Friday, September 23, 2011 13:38:51 Simon Glass wrote:
> --- a/common/console.c
> +++ b/common/console.c
> @@ -212,7 +212,7 @@ int serial_printf(const char *fmt, ...)
> /* For this to work, printbuffer must be larger than
> * anything we ever want to print.
> */
> - i = vsprintf(printbuffer, fmt, args);
> + i = vscnprintf(printbuffer, CONFIG_SYS_PBSIZE, fmt, args);
i think sizeof(printbuffer) would be better. same goes for all the other
changes here.
-mike
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