From c552c3ef70dc353ad5c18d145aa0167cf7b64c67 Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Thu, 19 Sep 2019 16:28:57 +0200 Subject: avcodec/flac_parser: Make expected_frame_num, expected_sample_num 64bit Fixes: Integer overflow Fixes: 17199/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_FLAC_fuzzer-5696145187143680 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer --- libavcodec/flac_parser.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'libavcodec/flac_parser.c') diff --git a/libavcodec/flac_parser.c b/libavcodec/flac_parser.c index 9280246af2..9ffa288548 100644 --- a/libavcodec/flac_parser.c +++ b/libavcodec/flac_parser.c @@ -313,7 +313,7 @@ static int check_header_mismatch(FLACParseContext *fpc, (child_fi->frame_or_sample_num != header_fi->frame_or_sample_num + 1)) { FLACHeaderMarker *curr; - int expected_frame_num, expected_sample_num; + int64_t expected_frame_num, expected_sample_num; /* If there are frames in the middle we expect this deduction, as they are probably valid and this one follows it */ -- cgit v1.2.3