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[FFmpeg-devel,5/5] avformat/au: Check for EOF in au_read_annotation()

Message ID 20201015203232.18258-5-michael@niedermayer.cc
State New
Headers show
Series [FFmpeg-devel,1/5] avcodec/notchlc: Check uncompressed size against input for LZ4
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Context Check Description
andriy/x86_make success Make finished
andriy/x86_make_fate success Make fate finished
andriy/PPC64_make warning Make failed

Commit Message

Michael Niedermayer Oct. 15, 2020, 8:32 p.m. UTC
Fixes: Timeout (too looong -> 1 ms)
Fixes: 26366/clusterfuzz-testcase-minimized-ffmpeg_dem_SDX_fuzzer-5655584843759616

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
---
 libavformat/au.c | 2 ++
 1 file changed, 2 insertions(+)
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Patch

diff --git a/libavformat/au.c b/libavformat/au.c
index c09f4da4c9..b4eb4f8477 100644
--- a/libavformat/au.c
+++ b/libavformat/au.c
@@ -84,6 +84,8 @@  static int au_read_annotation(AVFormatContext *s, int size)
     av_bprint_init(&bprint, 64, AV_BPRINT_SIZE_UNLIMITED);
 
     while (size-- > 0) {
+        if (avio_feof(pb))
+            return AVERROR_EOF;
         c = avio_r8(pb);
         switch(state) {
         case PARSE_KEY: