From: Krzysztof Kozlowski <krzk@kernel•org>
To: "Gustavo A. R. Silva" <gustavoars@kernel•org>,
Tejun Heo <tj@kernel•org>, Zefan Li <lizefan.x@bytedance•com>,
Johannes Weiner <hannes@cmpxchg•org>
Cc: cgroups@vger•kernel.org, linux-kernel@vger•kernel.org,
linux-hardening@vger•kernel.org,
Linux Next Mailing List <linux-next@vger•kernel.org>,
Arnd Bergmann <arnd@arndb•de>,
"linux-samsung-soc@vger•kernel.org"
<linux-samsung-soc@vger•kernel.org>
Subject: Re: [PATCH][next] cgroup: Avoid -Wstringop-overflow warnings
Date: Thu, 22 Jun 2023 12:20:13 +0200 [thread overview]
Message-ID: <361c2f87-1424-f452-912f-0e4a339f5c46@kernel.org> (raw)
In-Reply-To: <ZIpm3pcs3iCP9UaR@work>
On 15/06/2023 03:18, 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=]
>
Hi,
This patch landed in next but causes boot failures on
Exynos ARMv7 board (32 bit) with systemd (exynos_defconfig):
NFS-Mount: 192.168.1.10:/srv/nfs/odroidhc1
Waiting 10 seconds for device /dev/nfs ...
ERROR: device '/dev/nfs' not found. Skipping fsck.
Mount cmd:
mount.nfs4 -o vers=4,nolock 192.168.1.10:/srv/nfs/odroidhc1 /new_root
:: running cleanup hook [udev]
[ 23.752917] systemd[1]: System time before build time, advancing clock.
[ 23.851828] systemd[1]: Failed to mount tmpfs at /sys/fs/cgroup: No such file or directory
[ 23.868459] systemd[1]: Failed to mount cgroup at /sys/fs/cgroup/systemd: No such file or directory
[!!!!!!] Failed to mount API filesystems.
[ 23.914562] systemd[1]: Freezing execution.
Full log:
https://krzk.eu/#/builders/21/builds/4110/steps/15/logs/serial0
Best regards,
Krzysztof
next parent reply other threads:[~2023-06-22 10:20 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <ZIpm3pcs3iCP9UaR@work>
2023-06-22 10:20 ` Krzysztof Kozlowski [this message]
2023-06-22 14:09 ` [PATCH][next] cgroup: Avoid -Wstringop-overflow warnings Gustavo A. R. Silva
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