virtualenv/FFmpeg
1
0
Fork 0
mirror of https://github.com/FFmpeg/FFmpeg.git synced 2025-08-10 06:10:52 +02:00
Code Issues Releases Activity

avformat/mov: Check for EOF in mov_read_iloc()

Browse Source 
Fixes: Timeout
Fixes: 49216/clusterfuzz-testcase-minimized-ffmpeg_IO_DEMUXER_fuzzer-6563000529584128

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer
2022-07-20 01:05:20 +02:00
parent 9b23eb8a10
commit 744ad45c44
1 changed files with 2 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
libavformat/mov.c
View File

@@ -7555,6 +7555,8 @@ static int mov_read_iloc(MOVContext *c, AVIOContext *pb, MOVAtom atom)
for (int i = 0; i < item_count; i++) { for (int i = 0; i < item_count; i++) {
int item_id = (version < 2) ? avio_rb16(pb) : avio_rb32(pb); int item_id = (version < 2) ? avio_rb16(pb) : avio_rb32(pb);
if (avio_feof(pb))
return AVERROR_INVALIDDATA;
if (version > 0) if (version > 0)
avio_rb16(pb); // construction_method. avio_rb16(pb); // construction_method.
avio_rb16(pb); // data_reference_index. avio_rb16(pb); // data_reference_index.