ffmpeg | branch: master | Michael Niedermayer <mich...@niedermayer.cc> | Thu Jul 3 03:03:04 2025 +0200| [af3852e22c599a79357c2cc3e164a5efa697be53] | committer: Michael Niedermayer
avcodec/smacker: Check input before allocation Fixes: Timeout Fixes: 421650030/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_SMACKAUD_fuzzer-6144441767493632 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=af3852e22c599a79357c2cc3e164a5efa697be53 --- libavcodec/smacker.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/libavcodec/smacker.c b/libavcodec/smacker.c index bd08bc7be2..99009bfd36 100644 --- a/libavcodec/smacker.c +++ b/libavcodec/smacker.c @@ -662,6 +662,10 @@ static int smka_decode_frame(AVCodecContext *avctx, AVFrame *frame, } else values[i] = h.entries[0].value; } + if (get_bits_left(&gb) < (stereo+1) * (bits+1) * 8) { + ret = AVERROR_INVALIDDATA; + goto error; + } if ((ret = ff_get_buffer(avctx, frame, 0)) < 0) return ret; _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog To unsubscribe, visit link above, or email ffmpeg-cvslog-requ...@ffmpeg.org with subject "unsubscribe".
