From: Andrew Morton <akpm@linux-foundation.org>
To: Uros Bizjak <ubizjak@gmail.com>
Cc: linux-kernel@vger.kernel.org,
"Eric W. Biederman" <ebiederm@xmission.com>,
"Sebastian Andrzej Siewior" <bigeasy@linutronix.de>,
"Paul E. McKenney" <paulmck@kernel.org>,
"Alexey Gladkov" <legion@kernel.org>,
"Roman Gushchin" <roman.gushchin@linux.dev>,
"MengEn Sun" <mengensun@tencent.com>,
"Thomas Weißschuh" <linux@weissschuh.net>
Subject: Re: [PATCH RESEND v2 1/2] ucount: Fix atomic_long_inc_below() argument type
Date: Mon, 21 Jul 2025 15:43:25 -0700 [thread overview]
Message-ID: <20250721154325.476b87e09aa5d778bcead478@linux-foundation.org> (raw)
In-Reply-To: <20250721174610.28361-1-ubizjak@gmail.com>
On Mon, 21 Jul 2025 19:45:57 +0200 Uros Bizjak <ubizjak@gmail.com> wrote:
> The type of u argument of atomic_long_inc_below() should be long
> to avoid unwanted truncation to int.
>
> Fixes: f9c82a4ea89c ("Increase size of ucounts to atomic_long_t")
Please (always!) provide a description of the userspace-visible effects
of the bug. That way I (and others) can decide whether the fix should
be backported. And people will be able to determine whether this patch
may fix problems which they are observing. Thanks.
next prev parent reply other threads:[~2025-07-21 22:43 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-07-21 17:45 [PATCH RESEND v2 1/2] ucount: Fix atomic_long_inc_below() argument type Uros Bizjak
2025-07-21 17:45 ` [PATCH RESEND v2 2/2] ucount: Use atomic_long_try_cmpxchg() in atomic_long_inc_below() Uros Bizjak
2025-07-21 22:43 ` Andrew Morton [this message]
2025-07-22 6:44 ` [PATCH RESEND v2 1/2] ucount: Fix atomic_long_inc_below() argument type Uros Bizjak
2025-07-22 9:48 ` Mark Rutland
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