From: Michael Niedermayer <michael@niedermayer.cc>
To: FFmpeg development discussions and patches <ffmpeg-devel@ffmpeg.org>
Subject: [FFmpeg-devel] [PATCH 8/8] avfilter/vf_scale: Cleanup some checks
Date: Tue, 9 Jul 2024 00:24:10 +0200
Message-ID: <20240708222410.773456-8-michael@niedermayer.cc> (raw)
In-Reply-To: <20240708222410.773456-1-michael@niedermayer.cc>
Fixes: CID1513722 Operands don't affect result
Sponsored-by: Sovereign Tech Fund
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
---
libavfilter/vf_scale.c | 6 ++----
1 file changed, 2 insertions(+), 4 deletions(-)
diff --git a/libavfilter/vf_scale.c b/libavfilter/vf_scale.c
index bf09196e10d..120ff473f2e 100644
--- a/libavfilter/vf_scale.c
+++ b/libavfilter/vf_scale.c
@@ -645,10 +645,8 @@ static int config_props(AVFilterLink *outlink)
if (ret < 0)
goto fail;
- if (outlink->w > INT_MAX ||
- outlink->h > INT_MAX ||
- (outlink->h * inlink->w) > INT_MAX ||
- (outlink->w * inlink->h) > INT_MAX)
+ if ((outlink->h * (int64_t)inlink->w) > INT_MAX ||
+ (outlink->w * (int64_t)inlink->h) > INT_MAX)
av_log(ctx, AV_LOG_ERROR, "Rescaled value for width or height is too big.\n");
/* TODO: make algorithm configurable */
--
2.45.2
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next prev parent reply other threads:[~2024-07-08 22:25 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-07-08 22:24 [FFmpeg-devel] [PATCH 1/8] avfilter/vf_elbg: Use unsigned for shifting into the top bit Michael Niedermayer
2024-07-08 22:24 ` [FFmpeg-devel] [PATCH 2/8] avfilter/vf_fftfilt: Remove dead depth code Michael Niedermayer
2024-07-08 22:24 ` [FFmpeg-devel] [PATCH 3/8] avfilter/vf_lut3d: Check av_scanf() Michael Niedermayer
2024-07-08 22:24 ` [FFmpeg-devel] [PATCH 4/8] avfilter/vf_neighbor_opencl: Use AV_PIX_MAX_PLANES Michael Niedermayer
2024-07-08 22:24 ` [FFmpeg-devel] [PATCH 5/8] avfilter/vf_premultiply: " Michael Niedermayer
2024-07-08 22:24 ` [FFmpeg-devel] [PATCH 6/8] avfilter/scale_eval: Use 64bit, check values in ff_scale_adjust_dimensions() Michael Niedermayer
2024-07-08 22:24 ` [FFmpeg-devel] [PATCH 7/8] avfilter/vf_scale: Check ff_scale_adjust_dimensions() for failure Michael Niedermayer
2024-07-08 22:24 ` Michael Niedermayer [this message]
2024-07-09 6:59 ` [FFmpeg-devel] [PATCH 8/8] avfilter/vf_scale: Cleanup some checks Anton Khirnov
2024-07-21 14:35 ` [FFmpeg-devel] [PATCH 1/8] avfilter/vf_elbg: Use unsigned for shifting into the top bit Michael Niedermayer
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