From: Tejun Heo <tj@kernel.org>
To: "Gustavo A. R. Silva" <gustavoars@kernel.org>
Cc: Zefan Li <lizefan.x@bytedance.com>,
Johannes Weiner <hannes@cmpxchg.org>,
cgroups@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-hardening@vger.kernel.org
Subject: Re: [PATCH][next] cgroup: Avoid -Wstringop-overflow warnings
Date: Wed, 21 Jun 2023 10:42:20 -1000 [thread overview]
Message-ID: <ZJNgrLEE7i9CfUnS@slm.duckdns.org> (raw)
In-Reply-To: <ZIpm3pcs3iCP9UaR@work>
On Wed, Jun 14, 2023 at 07:18:22PM -0600, Gustavo A. R. Silva wrote:
> Address the following -Wstringop-overflow warnings seen when
> built with ARM architecture and aspeed_g4_defconfig configuration
> (notice that under this configuration CGROUP_SUBSYS_COUNT == 0):
> kernel/cgroup/cgroup.c:1208:16: warning: 'find_existing_css_set' accessing 4 bytes in a region of size 0 [-Wstringop-overflow=]
> kernel/cgroup/cgroup.c:1258:15: warning: 'css_set_hash' accessing 4 bytes in a region of size 0 [-Wstringop-overflow=]
> kernel/cgroup/cgroup.c:6089:18: warning: 'css_set_hash' accessing 4 bytes in a region of size 0 [-Wstringop-overflow=]
> kernel/cgroup/cgroup.c:6153:18: warning: 'css_set_hash' accessing 4 bytes in a region of size 0 [-Wstringop-overflow=]
>
> These changes are based on commit d20d30ebb199 ("cgroup: Avoid compiler
> warnings with no subsystems").
>
> Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
Applied to cgroup/for-6.5.
Thanks.
--
tejun
next prev parent reply other threads:[~2023-06-21 20:42 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-06-15 1:18 Gustavo A. R. Silva
2023-06-20 19:51 ` Kees Cook
2023-06-21 20:42 ` Tejun Heo [this message]
2023-06-22 10:11 ` Steven Price
2023-06-22 14:09 ` Gustavo A. R. Silva
2023-06-22 18:50 ` Tejun Heo
2023-06-22 10:20 ` Krzysztof Kozlowski
2023-06-22 14:09 ` Gustavo A. R. Silva
2023-08-15 19:04 ` Gustavo A. R. Silva
2023-08-16 19:22 ` Tejun Heo
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