From 08816b93760f43433a07e980fa9eeab4135de78c Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Sun, 13 Jul 2025 01:34:17 +0200 Subject: [PATCH] avcodec/osq: Fix 32bit sample overflow 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 --- libavcodec/osq.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavcodec/osq.c b/libavcodec/osq.c index f88b639fe0..2845c59118 100644 --- a/libavcodec/osq.c +++ b/libavcodec/osq.c @@ -391,7 +391,7 @@ 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: