From: Michael Niedermayer <michael@niedermayer.cc>
To: FFmpeg development discussions and patches <ffmpeg-devel@ffmpeg.org>
Subject: [FFmpeg-devel] [PATCH 6/7] avcodec/rv60dec: inter also fails with qp >= 32
Date: Thu, 8 May 2025 23:57:37 +0200
Message-ID: <20250508215738.3582069-6-michael@niedermayer.cc> (raw)
In-Reply-To: <20250508215738.3582069-1-michael@niedermayer.cc>
Fixes: out of array read in decode_cu_16x16()
Fixes: 398049430/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_RV60_fuzzer-5525836849807360
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
---
libavcodec/rv60dec.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/libavcodec/rv60dec.c b/libavcodec/rv60dec.c
index 24981015a94..d704ae512c2 100644
--- a/libavcodec/rv60dec.c
+++ b/libavcodec/rv60dec.c
@@ -1791,7 +1791,7 @@ static int decode_cu_r(RV60Context * s, AVFrame * frame, ThreadContext * thread,
ttype = cu.pu_type == PU_FULL ? TRANSFORM_8X8 : TRANSFORM_4X4;
is_intra = cu.cu_type == CU_INTRA;
- if (is_intra && qp >= 32)
+ if (qp >= 32)
return AVERROR_INVALIDDATA;
cu_pos = ((xpos & 63) >> 3) + ((ypos & 63) >> 3) * 8;
--
2.49.0
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next prev parent reply other threads:[~2025-05-08 21:58 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-05-08 21:57 [FFmpeg-devel] [PATCH 1/7] avcodec/mmvideo: fix paltte index Michael Niedermayer
2025-05-08 21:57 ` [FFmpeg-devel] [PATCH 2/7] avcodec/hevc/hevcdec: Check num_entry_point_offsets Michael Niedermayer
2025-05-29 23:48 ` Michael Niedermayer
2025-05-08 21:57 ` [FFmpeg-devel] [PATCH 3/7] avcodec/speexdec: Pass and check remaining packets to decode functions Michael Niedermayer
2025-05-29 23:48 ` Michael Niedermayer
2025-05-08 21:57 ` [FFmpeg-devel] [PATCH 4/7] avformat/iff: Check nb_channels == 0 in MHDR Michael Niedermayer
2025-05-09 9:07 ` Peter Ross
2025-05-09 9:25 ` Michael Niedermayer
2025-05-08 21:57 ` [FFmpeg-devel] [PATCH 5/7] avcodec/aac/aacdec_usac: Limit sfo from noise offset to be above -200 Michael Niedermayer
2025-05-08 21:57 ` Michael Niedermayer [this message]
2025-05-09 9:07 ` [FFmpeg-devel] [PATCH 6/7] avcodec/rv60dec: inter also fails with qp >= 32 Peter Ross
2025-05-09 9:25 ` Michael Niedermayer
2025-05-08 21:57 ` [FFmpeg-devel] [PATCH 7/7] avcodec/hevc/ps: Fix dependant layer id check Michael Niedermayer
2025-05-08 22:10 ` James Almer
2025-05-09 9:26 ` Michael Niedermayer
2025-05-09 9:06 ` [FFmpeg-devel] [PATCH 1/7] avcodec/mmvideo: fix paltte index Peter Ross
2025-05-09 9:26 ` Michael Niedermayer
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