RepoMirrors/ffmpeg
1
0
Fork 0
mirror of https://git.ffmpeg.org/ffmpeg.git synced 2025-01-02 21:12:12 +00:00
Code Issues Projects Releases Wiki Activity

avcodec/prosumer: Check for bytestream eof in decompress()

Browse Source 
Fixes: Infinite loop
Fixes: 10685/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_PROSUMER_fuzzer-5652236881887232

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2018-10-31 03:06:59 +01:00
parent 8e50215b5e
commit 9acdf17b2c
1 changed files with 1 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
libavcodec/prosumer.c
View File

@ -57,7 +57,7 @@ static int decompress(GetByteContext *gb, int size, PutByteContext *pb, const ui
b = lut[2 * idx];
while (1) {
if (bytestream2_get_bytes_left_p(pb) <= 0)
if (bytestream2_get_bytes_left_p(pb) <= 0 || bytestream2_get_eof(pb))
return 0;
if (((b & 0xFF00u) != 0x8000u) || (b & 0xFFu)) {
if ((b & 0xFF00u) != 0x8000u) {