From: Viresh Kumar <viresh.kumar@linaro.org>
To: Stephen Boyd <sboyd@codeaurora.org>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH 3/4] debugfs: Add read-only/write-only size_t file ops
Date: Tue, 13 Oct 2015 09:15:09 +0530 [thread overview]
Message-ID: <20151013034509.GQ5386@linux> (raw)
In-Reply-To: <1444698552-12369-4-git-send-email-sboyd@codeaurora.org>
On 12-10-15, 18:09, Stephen Boyd wrote:
> There aren't any read-only or write-only size_t file ops, but there
> is a caller of debugfs_create_size_t() that calls it with mode
> equal to 0400. This leads to the possibility of userspace
> modifying the file, so let's use the newly created
> debugfs_create_mode() helper here to fix this.
>
> Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
> ---
> fs/debugfs/file.c | 5 ++++-
> 1 file changed, 4 insertions(+), 1 deletion(-)
Reviewed-by: Viresh Kumar <viresh.kumar@linaro.org>
--
viresh
next prev parent reply other threads:[~2015-10-13 3:45 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-10-13 1:09 [PATCH 0/4] Consolidate debugfs mode checks in creation APIs Stephen Boyd
2015-10-13 1:09 ` [PATCH 1/4] debugfs: Consolidate file mode checks in debugfs_create_*() Stephen Boyd
2015-10-13 3:43 ` Viresh Kumar
2015-10-13 1:09 ` [PATCH 2/4] debugfs: Add read-only/write-only x64 file ops Stephen Boyd
2015-10-13 3:44 ` Viresh Kumar
2015-10-13 1:09 ` [PATCH 3/4] debugfs: Add read-only/write-only size_t " Stephen Boyd
2015-10-13 3:45 ` Viresh Kumar [this message]
2015-10-13 1:09 ` [PATCH 4/4] debugfs: Add read-only/write-only bool " Stephen Boyd
2015-10-13 3:46 ` Viresh Kumar
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