From: Michael Niedermayer <michael@niedermayer.cc> To: FFmpeg development discussions and patches <ffmpeg-devel@ffmpeg.org> Subject: [FFmpeg-devel] [PATCH 5/5] avcodec/osq: Fix 32bit sample overflow Date: Sun, 13 Jul 2025 03:10:30 +0200 Message-ID: <20250713011030.1156550-5-michael@niedermayer.cc> (raw) In-Reply-To: <20250713011030.1156550-1-michael@niedermayer.cc> Fixes: signed integer overflow: 2147483565 + 128 cannot be represented in type 'int' Fixes: 428055715/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_OSQ_fuzzer-6358069900804096 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <michael@niedermayer.cc> --- libavcodec/osq.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavcodec/osq.c b/libavcodec/osq.c index 76090aa8d07..1d99ab32451 100644 --- a/libavcodec/osq.c +++ b/libavcodec/osq.c @@ -390,7 +390,7 @@ static int osq_decode_block(AVCodecContext *avctx, AVFrame *frame) int32_t *src = s->decode_buffer[ch] + OFFSET; for (int n = 0; n < nb_samples; n++) - dst[n] = av_clip_uint8(src[n] + 0x80); + dst[n] = av_clip_uint8(src[n] + 0x80ll); } break; case AV_SAMPLE_FMT_S16P: -- 2.49.0 _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-request@ffmpeg.org with subject "unsubscribe".
next prev parent reply other threads:[~2025-07-13 1:11 UTC|newest] Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top 2025-07-13 1:10 [FFmpeg-devel] [PATCH 1/5] avformat/flvdec: Check for EOF in AudioPacketTypeMultichannelConfig Michael Niedermayer 2025-07-13 1:10 ` [FFmpeg-devel] [PATCH 2/5] avformat/concatdec: Clip duration in one more case in get_best_effort_duration() Michael Niedermayer 2025-07-13 1:10 ` [FFmpeg-devel] [PATCH 3/5] avcodec/h264chroma_template: Replace variable by constant in chroma mc Michael Niedermayer 2025-07-13 1:10 ` [FFmpeg-devel] [PATCH 4/5] avcodec/mpegvideo_dec: Fix lowres=3 field select interlaced mpeg4 frame Michael Niedermayer 2025-07-13 17:34 ` Andreas Rheinhardt 2025-07-13 1:10 ` Michael Niedermayer [this message] 2025-07-13 17:37 ` [FFmpeg-devel] [PATCH 5/5] avcodec/osq: Fix 32bit sample overflow Andreas Rheinhardt 2025-07-13 11:42 ` [FFmpeg-devel] [PATCH 1/5] avformat/flvdec: Check for EOF in AudioPacketTypeMultichannelConfig Timo Rothenpieler
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