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authorMichael Niedermayer <michael@niedermayer.cc>2023-04-16 16:56:40 +0200
committerMichael Niedermayer <michael@niedermayer.cc>2023-06-04 20:24:43 +0200
commit40f962e56961c980c5282466efc50fc02a543aeb (patch)
tree0cbb47c1a6bed569240faa7f55aff35704eaf37b
parent0b003c082831e86fcc3dd3570072c687c42437ce (diff)
downloadffmpeg-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.c2
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);