From: Michael Niedermayer <michael@niedermayer.cc>
To: FFmpeg development discussions and patches <ffmpeg-devel@ffmpeg.org>
Subject: [FFmpeg-devel] [PATCH 11/15] avcodec/loco: Check loco_get_rice() for failure
Date: Fri, 5 Jul 2024 02:21:52 +0200
Message-ID: <20240705002156.1964272-11-michael@niedermayer.cc> (raw)
In-Reply-To: <20240705002156.1964272-1-michael@niedermayer.cc>
Fixes: CID1604495 Overflowed constant
Sponsored-by: Sovereign Tech Fund
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
---
libavcodec/loco.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/libavcodec/loco.c b/libavcodec/loco.c
index 4aba1eb9c52..d73d8fa88bb 100644
--- a/libavcodec/loco.c
+++ b/libavcodec/loco.c
@@ -157,6 +157,8 @@ static int loco_decode_plane(LOCOContext *l, uint8_t *data, int width, int heigh
/* restore top left pixel */
val = loco_get_rice(&rc);
+ if (val == INT_MIN)
+ return AVERROR_INVALIDDATA;
data[0] = 128 + val;
/* restore top line */
for (i = 1; i < width; i++) {
--
2.45.2
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next prev parent reply other threads:[~2024-07-05 0:22 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-07-05 0:21 [FFmpeg-devel] [PATCH 01/15] avcodec/xsubdec: Check parse_timecode() Michael Niedermayer
2024-07-05 0:21 ` [FFmpeg-devel] [PATCH 02/15] avcodec/cri: Check length Michael Niedermayer
2024-07-05 0:21 ` [FFmpeg-devel] [PATCH 03/15] avcodec/dxv: Fix type in get_opcodes() Michael Niedermayer
2024-07-05 0:21 ` [FFmpeg-devel] [PATCH 04/15] avcodec/golomb: Document return for get_ur_golomb_jpegls() and get_sr_golomb_flac() Michael Niedermayer
2024-07-05 0:21 ` [FFmpeg-devel] [PATCH 05/15] avcodec/golomb: Assert that k is in the supported range for get_ur/sr_golomb() Michael Niedermayer
2024-07-05 0:21 ` [FFmpeg-devel] [PATCH 06/15] avcodec/hw_base_encode: Simplify EOF check Michael Niedermayer
2024-07-05 0:21 ` [FFmpeg-devel] [PATCH 07/15] avcodec/iff: Use signed count Michael Niedermayer
2024-07-05 0:21 ` [FFmpeg-devel] [PATCH 08/15] avcodec/imm4: check cbphi for error Michael Niedermayer
2024-07-05 0:21 ` [FFmpeg-devel] [PATCH 09/15] avcodec/leaddec: Check init_get_bits8() for failure Michael Niedermayer
2024-07-05 0:21 ` [FFmpeg-devel] [PATCH 10/15] avcodec/loco: check get_ur_golomb_jpegls() " Michael Niedermayer
2024-07-05 0:21 ` Michael Niedermayer [this message]
2024-07-05 0:21 ` [FFmpeg-devel] [PATCH 12/15] avcodec/me_cmp: Fix type check Michael Niedermayer
2024-07-05 0:21 ` [FFmpeg-devel] [PATCH 13/15] avcodec/mlpenc: Use 64 for ml, mr Michael Niedermayer
2024-07-05 0:21 ` [FFmpeg-devel] [PATCH 14/15] avcodec/motion_est: Fix score squaring overflow Michael Niedermayer
2024-07-05 0:21 ` [FFmpeg-devel] [PATCH 15/15] avcodec/pixlet: Simplify pfx computation Michael Niedermayer
2024-07-12 20:41 ` [FFmpeg-devel] [PATCH 01/15] avcodec/xsubdec: Check parse_timecode() Michael Niedermayer
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