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avcodec/hevc/ps: Fix dependant layer id check

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Fixes: shift exponent 49 is too large for 32-bit type 'int'
Fixes: 398060145/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_HEVC_fuzzer-5023082406543360

Reviewed-by: James Almer <jamrial@gmail.com>
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
2025-05-08 23:46:04 +02:00
parent 9230c93cc9
commit 4e5523c985
1 changed files with 2 additions and 2 deletions
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4
libavcodec/hevc/ps.c
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@ -652,8 +652,8 @@ static int decode_vps_ext(GetBitContext *gb, AVCodecContext *avctx, HEVCVPS *vps
/* Consequence of established layer dependencies */ /* Consequence of established layer dependencies */
if (layer1_id_included && if (layer1_id_included &&
layer1_id_included != ((1 << vps->layer_id_in_nuh[0]) | layer1_id_included != ((1ULL << vps->layer_id_in_nuh[0]) |
(1 << vps->layer_id_in_nuh[1]))) { (1ULL << vps->layer_id_in_nuh[1]))) {
av_log(avctx, AV_LOG_ERROR, av_log(avctx, AV_LOG_ERROR,
"Dependent layer not included in layer ID?\n"); "Dependent layer not included in layer ID?\n");
return AVERROR_PATCHWELCOME; return AVERROR_PATCHWELCOME;