From: Anton Khirnov <anton@khirnov.net>
To: FFmpeg development discussions and patches <ffmpeg-devel@ffmpeg.org>
Cc: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
Subject: Re: [FFmpeg-devel] [PATCH 1/3] avfilter/vf_ssim360: Use correct type in sizeof
Date: Tue, 14 Mar 2023 06:43:23 +0100
Message-ID: <167877260359.5450.10724147238333944227@lain.khirnov.net> (raw)
In-Reply-To: =?utf-8?q?=3CAS8P250MB07442C1C4C96DFD125BF43B18FB89=40AS8P250MB?= =?utf-8?q?0744=2EEURP250=2EPROD=2EOUTLOOK=2ECOM=3E?=
Quoting Andreas Rheinhardt (2023-03-12 22:52:49)
> SSIM360Context.ssim360_hist is an array of four pointers to double;
> so sizeof(*ssim360_hist[0]) (=sizeof(double)) is the correct size
> to use to calculate the amount of memory to allocate, not
> sizeof(*ssim360_hist) (which is sizeof(double*)).
>
> Use FF_ALLOCZ_TYPED_ARRAY to avoid this issue altogether.
>
> Fixes Coverity issue #1520671.
>
> Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
> ---
> libavfilter/vf_ssim360.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
Looks ok.
--
Anton Khirnov
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next reply other threads:[~2023-03-14 5:43 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-03-14 5:43 Anton Khirnov [this message]
-- strict thread matches above, loose matches on Subject: below --
2023-03-12 21:52 Andreas Rheinhardt
2023-03-13 22:53 ` Jan Ekström
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