From: Jonathan Vollebregt Subject: [PATCH 1/5] reg.exe: Fix stack overflow on large registry keys Message-Id: <1409576734-9289-1-git-send-email-jnvsor@gmail.com> Date: Mon, 1 Sep 2014 15:05:30 +0200 This will slice off the end of the output (And probably newlines) but it's better than a stack overflow --- programs/reg/reg.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/programs/reg/reg.c b/programs/reg/reg.c index 1b46661..d299cbf 100644 --- a/programs/reg/reg.c +++ b/programs/reg/reg.c @@ -28,7 +28,7 @@ static int reg_printfW(const WCHAR *msg, ...) WCHAR msg_buffer[8192]; va_start(va_args, msg); - vsprintfW(msg_buffer, msg, va_args); + vsnprintfW(msg_buffer, 8192, msg, va_args); va_end(va_args); wlen = lstrlenW(msg_buffer); -- 2.1.0