archive mirror
 help / color / mirror / Atom feed
From: Stephen Boyd <>
To: Len Baker <>,
	Michael Turquette <>,
	Tero Kristo <>
Cc: Len Baker <>, Kees Cook <>,,,,
Subject: Re: [PATCH] clk: ti: composite: Prefer kcalloc over open coded arithmetic
Date: Fri, 20 May 2022 20:40:23 -0700	[thread overview]
Message-ID: <> (raw)
In-Reply-To: <>

Quoting Len Baker (2021-09-04 06:17:14)
> As noted in the "Deprecated Interfaces, Language Features, Attributes,
> and Conventions" documentation [1], size calculations (especially
> multiplication) should not be performed in memory allocator (or similar)
> function arguments due to the risk of them overflowing. This could lead
> to values wrapping around and a smaller allocation being made than the
> caller was expecting. Using those allocations could lead to linear
> overflows of heap memory and other misbehaviors.
> So, use the purpose specific kcalloc() function instead of the argument
> size * count in the kzalloc() function.
> [1]
> Signed-off-by: Len Baker <>
> ---

Applied to clk-next

      reply	other threads:[~2022-05-21  3:40 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-09-04 13:17 Len Baker
2022-05-21  3:40 ` Stephen Boyd [this message]

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \ \ \ \ \ \ \ \ \ \ \
    --subject='Re: [PATCH] clk: ti: composite: Prefer kcalloc over open coded arithmetic' \

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).