Message ID | 20201030215206.1629-5-michael@niedermayer.cc |
---|---|
State | New |
Headers | show |
Series | [FFmpeg-devel,1/5] avformat/argo_brp: Check block align before use | expand |
Context | Check | Description |
---|---|---|
andriy/x86_make | success | Make finished |
andriy/x86_make_fate | success | Make fate finished |
andriy/PPC64_make | success | Make finished |
andriy/PPC64_make_fate | success | Make fate finished |
diff --git a/libavformat/rmdec.c b/libavformat/rmdec.c index 3606b74a6e..9e954108f9 100644 --- a/libavformat/rmdec.c +++ b/libavformat/rmdec.c @@ -1289,8 +1289,11 @@ static int ivr_read_header(AVFormatContext *s) int j; av_log(s, AV_LOG_DEBUG, "%s = '0x", key); - for (j = 0; j < len; j++) + for (j = 0; j < len; j++) { + if (avio_feof(pb)) + return AVERROR_INVALIDDATA; av_log(s, AV_LOG_DEBUG, "%X", avio_r8(pb)); + } av_log(s, AV_LOG_DEBUG, "'\n"); } else if (len == 4 && type == 3 && !strncmp(key, "Duration", tlen)) { st->duration = avio_rb32(pb);
Fixes: Timeout (long -> 2 ms) Fixes: 26709/clusterfuzz-testcase-minimized-ffmpeg_dem_IVR_fuzzer-5665833403285504 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <michael@niedermayer.cc> --- libavformat/rmdec.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-)