From 7a206eb32f624171a35235f714d44ee9dec9abcb Mon Sep 17 00:00:00 2001
From: Justin Ruggles <justin.ruggles@gmail.com>
Date: Mon, 9 Jul 2012 13:23:22 -0400
Subject: [PATCH] alac: fix check for valid max_samples_per_frame
---
libavcodec/alac.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/libavcodec/alac.c b/libavcodec/alac.c
index db837969635..1fc4dc5cecf 100644
--- a/libavcodec/alac.c
+++ b/libavcodec/alac.c
@@ -511,9 +511,9 @@ static int alac_set_info(ALACContext *alac)
bytestream2_skipu(&gb, 12); // size:4, alac:4, version:4
alac->max_samples_per_frame = bytestream2_get_be32u(&gb);
- if (alac->max_samples_per_frame >= UINT_MAX/4){
- av_log(alac->avctx, AV_LOG_ERROR,
- "max_samples_per_frame too large\n");
+ if (!alac->max_samples_per_frame || alac->max_samples_per_frame > INT_MAX) {
+ av_log(alac->avctx, AV_LOG_ERROR, "max samples per frame invalid: %u\n",
+ alac->max_samples_per_frame);
return AVERROR_INVALIDDATA;
}
bytestream2_skipu(&gb, 1); // compatible version
--
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