From 0a693bce6216d6fc3ea8dc2986122d5014992d52 Mon Sep 17 00:00:00 2001 From: James Almer Date: Thu, 21 Mar 2024 00:37:16 +0100 Subject: [PATCH] avformat/iamf_parse: keep count_label consistent on language_label allocation failure Fixes: null pointer dereference Fixes: 67023/clusterfuzz-testcase-minimized-ffmpeg_dem_IAMF_fuzzer-6011025237278720 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer --- libavformat/iamf_parse.c | 1 + 1 file changed, 1 insertion(+) diff --git a/libavformat/iamf_parse.c b/libavformat/iamf_parse.c index bda1580bbd..3867adb117 100644 --- a/libavformat/iamf_parse.c +++ b/libavformat/iamf_parse.c @@ -822,6 +822,7 @@ static int mix_presentation_obu(void *s, IAMFContext *c, AVIOContext *pb, int le mix_presentation->language_label = av_calloc(mix_presentation->count_label, sizeof(*mix_presentation->language_label)); if (!mix_presentation->language_label) { + mix_presentation->count_label = 0; ret = AVERROR(ENOMEM); goto fail; }