From db31b3ea861c280e7fae282d06957ebd0d37c2d2 Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Mon, 27 Jun 2022 10:29:25 +0200 Subject: avformat/aaxdec: Check for empty segments Fixes: Timeout Fixes: 48154/clusterfuzz-testcase-minimized-ffmpeg_dem_AAX_fuzzer-5149094353436672 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer --- libavformat/aaxdec.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/libavformat/aaxdec.c b/libavformat/aaxdec.c index dd1fbde736..4e352f8ce3 100644 --- a/libavformat/aaxdec.c +++ b/libavformat/aaxdec.c @@ -250,6 +250,8 @@ static int aax_read_header(AVFormatContext *s) start = avio_rb32(pb); size = avio_rb32(pb); + if (!size) + return AVERROR_INVALIDDATA; a->segments[r].start = start + a->data_offset; a->segments[r].end = a->segments[r].start + size; if (r && -- cgit v1.2.3