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From: Kees Cook <keescook@chromium.org>
To: "Thomas Weißschuh" <linux@weissschuh.net>
Cc: "Gustavo A. R. Silva" <gustavoars@kernel.org>,
	Luis Chamberlain <mcgrof@kernel.org>,
	Iurii Zaikin <yzaikin@google.com>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	Joel Granados <j.granados@samsung.com>,
	linux-hardening@vger.kernel.org, linux-kernel@vger.kernel.org,
	linux-fsdevel@vger.kernel.org
Subject: Re: [PATCH v2 08/18] stackleak: don't modify ctl_table argument
Date: Mon, 4 Dec 2023 14:14:51 -0800	[thread overview]
Message-ID: <202312041414.441475830B@keescook> (raw)
In-Reply-To: <20231204-const-sysctl-v2-8-7a5060b11447@weissschuh.net>

On Mon, Dec 04, 2023 at 08:52:21AM +0100, Thomas Weißschuh wrote:
> In a future commit the proc_handlers will change to
> "const struct ctl_table".
> As a preparation for that adapt the logic to work with a temporary
> variable, similar to how it is done in other parts of the kernel.
> 
> Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>

Looks good -- thanks for catching the table-modification cases.

Acked-by: Kees Cook <keescook@chromium.org>

-- 
Kees Cook

  reply	other threads:[~2023-12-04 22:14 UTC|newest]

Thread overview: 68+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <CGME20231204075237eucas1p27966f7e7da014b5992d3eef89a8fde25@eucas1p2.samsung.com>
2023-12-04  7:52 ` [PATCH v2 00/18] sysctl: constify sysctl ctl_tables Thomas Weißschuh
2023-12-04  7:52   ` [PATCH v2 01/18] watchdog/core: remove sysctl handlers from public header Thomas Weißschuh
2023-12-04  7:52   ` [PATCH v2 02/18] sysctl: delete unused define SYSCTL_PERM_EMPTY_DIR Thomas Weißschuh
2023-12-04  7:52   ` [PATCH v2 03/18] sysctl: drop sysctl_is_perm_empty_ctl_table Thomas Weißschuh
2023-12-07 14:09     ` Joel Granados
2023-12-04  7:52   ` [PATCH v2 04/18] cgroup: bpf: constify ctl_table arguments and fields Thomas Weißschuh
2023-12-04  7:52   ` [PATCH v2 05/18] seccomp: constify ctl_table arguments of utility functions Thomas Weißschuh
2023-12-04 22:12     ` Kees Cook
2023-12-04  7:52   ` [PATCH v2 06/18] hugetlb: " Thomas Weißschuh
2023-12-04  7:52   ` [PATCH v2 07/18] utsname: constify ctl_table arguments of utility function Thomas Weißschuh
2023-12-04  7:52   ` [PATCH v2 08/18] stackleak: don't modify ctl_table argument Thomas Weißschuh
2023-12-04 22:14     ` Kees Cook [this message]
2023-12-04  7:52   ` [PATCH v2 09/18] sysctl: treewide: constify ctl_table_root::set_ownership Thomas Weißschuh
2023-12-04  7:52   ` [PATCH v2 10/18] sysctl: treewide: constify ctl_table_root::permissions Thomas Weißschuh
2023-12-04  7:52   ` [PATCH v2 11/18] sysctl: treewide: constify ctl_table_header::ctl_table_arg Thomas Weißschuh
2023-12-04  7:52   ` [PATCH v2 12/18] sysctl: treewide: constify the ctl_table argument of handlers Thomas Weißschuh
2023-12-04 22:17     ` Kees Cook
2023-12-05  9:50     ` kernel test robot
2023-12-05 16:05     ` kernel test robot
2023-12-04  7:52   ` [PATCH v2 13/18] sysctl: move sysctl type to ctl_table_header Thomas Weißschuh
2023-12-05 22:33     ` Luis Chamberlain
2023-12-05 22:41       ` Thomas Weißschuh
2023-12-05 22:50         ` Luis Chamberlain
2023-12-06  5:53           ` Thomas Weißschuh
2023-12-07 12:14             ` Joel Granados
2023-12-07 19:29               ` Thomas Weißschuh
2023-12-21 12:09             ` Joel Granados
2023-12-23 13:04               ` Thomas Weißschuh
2023-12-24 18:51                 ` Joel Granados
2023-12-07 12:05           ` Joel Granados
2023-12-07 11:31     ` Joel Granados
2023-12-04  7:52   ` [PATCH v2 14/18] sysctl: move internal interfaces to const struct ctl_table Thomas Weißschuh
2023-12-04  7:52   ` [PATCH v2 15/18] sysctl: allow registration of " Thomas Weißschuh
2023-12-04  7:52   ` [PATCH v2 16/18] const_structs.checkpatch: add ctl_table Thomas Weißschuh
2023-12-04  7:52   ` [PATCH v2 17/18] sysctl: make ctl_table sysctl_mount_point const Thomas Weißschuh
2023-12-04  7:52   ` [PATCH v2 18/18] sysctl: constify standard sysctl tables Thomas Weißschuh
2023-12-05  5:50   ` [PATCH v2 00/18] sysctl: constify sysctl ctl_tables Luis Chamberlain
2023-12-05  8:04     ` Thomas Weißschuh
2023-12-05 17:16       ` Thomas Weißschuh
2023-12-05 22:27         ` Luis Chamberlain
2023-12-07 11:23           ` Joel Granados
2023-12-07 11:19         ` Joel Granados
2023-12-07 19:23           ` Thomas Weißschuh
2023-12-07 11:05       ` Joel Granados
2023-12-07 10:43   ` Joel Granados
2023-12-07 19:19     ` Thomas Weißschuh
2023-12-08  9:59       ` Joel Granados
2023-12-11 11:25         ` Thomas Weißschuh
2023-12-12  9:09           ` Joel Granados
2023-12-13  7:51             ` Luis Chamberlain
2023-12-15 16:40               ` Thomas Weißschuh
2023-12-15 17:05                 ` Julia Lawall
2023-12-17 12:02               ` Joel Granados
2023-12-17 22:10                 ` Thomas Weißschuh
2023-12-18 21:21                   ` Luis Chamberlain
2023-12-19 19:29                     ` Thomas Weißschuh
2023-12-19 20:39                       ` Julia Lawall
2023-12-19 21:09                       ` Luis Chamberlain
2023-12-19 21:21                         ` Julia Lawall
2023-12-20  0:09                           ` Luis Chamberlain
2023-12-20  7:39                             ` Julia Lawall
2023-12-20 14:34                               ` Luis Chamberlain
2023-12-19 23:04                         ` Julia Lawall
2023-12-21 12:44                       ` Joel Granados
     [not found]                     ` <CGME20231223120907eucas1p20afac63076e1e9d5aee6adaa101c0630@eucas1p2.samsung.com>
2023-12-21 12:36                       ` Joel Granados
2023-12-21 12:12                   ` Joel Granados
2023-12-13  7:47           ` Luis Chamberlain
2023-12-13 18:18             ` Eric W. Biederman

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