From ebf4bc629e6d0dbb4bb6725849bdd06456e4c8af Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Fri, 13 Nov 2020 23:30:47 +0100 Subject: avformat/rmdec: Check for EOF in index packet reading Fixes: Timeout(>10sec -> 1ms) Fixes: 27284/clusterfuzz-testcase-minimized-ffmpeg_dem_RM_fuzzer-6304211110985728 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer --- libavformat/rmdec.c | 2 ++ 1 file changed, 2 insertions(+) (limited to 'libavformat/rmdec.c') diff --git a/libavformat/rmdec.c b/libavformat/rmdec.c index 0c3ac4e47f..004c62086d 100644 --- a/libavformat/rmdec.c +++ b/libavformat/rmdec.c @@ -458,6 +458,8 @@ static int rm_read_index(AVFormatContext *s) } for (n = 0; n < n_pkts; n++) { + if (avio_feof(pb)) + return AVERROR_INVALIDDATA; avio_skip(pb, 2); pts = avio_rb32(pb); pos = avio_rb32(pb); -- cgit v1.2.3