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| author | Michael Niedermayer <michael@niedermayer.cc> | 2023-04-16 16:56:40 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2023-06-04 20:24:43 +0200 |
| commit | 40f962e56961c980c5282466efc50fc02a543aeb (patch) | |
| tree | 0cbb47c1a6bed569240faa7f55aff35704eaf37b | |
| parent | 0b003c082831e86fcc3dd3570072c687c42437ce (diff) | |
| download | ffmpeg-40f962e56961c980c5282466efc50fc02a543aeb.tar.gz | |
avcodec/utils: the IFF_ILBM implementation assumes that there are a multiple of 16 allocated
Fixes: out of array access
Fixes: 45982/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_IFF_ILBM_fuzzer-5124452659888128
Fixes: 45982/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_IFF_ILBM_fuzzer-6362836707442688
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 34056a94eab5f8fbc7e0b8510f7c9851931f23b7)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
| -rw-r--r-- | libavcodec/utils.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libavcodec/utils.c b/libavcodec/utils.c index e431d0b8af..dbd87a787d 100644 --- a/libavcodec/utils.c +++ b/libavcodec/utils.c @@ -426,7 +426,7 @@ void avcodec_align_dimensions2(AVCodecContext *s, int *width, int *height, } if (s->codec_id == AV_CODEC_ID_IFF_ILBM) { - w_align = FFMAX(w_align, 8); + w_align = FFMAX(w_align, 16); } *width = FFALIGN(*width, w_align); |