From: Thomas Lamprecht <t.lamprecht@proxmox.com>
To: Proxmox Backup Server development discussion
<pbs-devel@lists.proxmox.com>,
Dominik Csapak <d.csapak@proxmox.com>
Subject: [pbs-devel] applied: [PATCH proxmox v2 1/2] sys: fs: set CLOEXEC when creating temp files
Date: Mon, 2 Dec 2024 17:07:41 +0100 [thread overview]
Message-ID: <e5e222c1-7ec4-4f69-853a-a8542fbce809@proxmox.com> (raw)
In-Reply-To: <20241129142801.3334969-1-d.csapak@proxmox.com>
Am 29.11.24 um 15:28 schrieb Dominik Csapak:
> In general we want all open files to have set CLOEXEC since our
> reloading mechanism can basically fork at any moment and we don't want
> newer daemons to carry around old file descriptors, especially lock
> files.
>
> Since `make_tmp_file` is called by many things (e.g. open_file_locked,
> logrotate, rrd), set O_CLOEXEC with mkostemp.
>
> This fixes issues with leftover file descriptors e.g. tape backups not
> working because of lingering locks after a reload, or having deleted
> rrd files open.
>
> Signed-off-by: Dominik Csapak <d.csapak@proxmox.com>
> ---
> changes from v1:
> * introduce mkostemp helper which is similar to nix's mkstemp helper
> (the code is a copy of mkstemp aside from the call to libcmkostemp +
> the oflag handling)
>
> I did it this way, since we may be able to upstream this, have
> to look more closer at this though.
>
> proxmox-sys/src/fs/file.rs | 25 ++++++++++++++++++++++++-
> 1 file changed, 24 insertions(+), 1 deletion(-)
>
>
applied both patches with Fabian's R-b, thanks!
I amended the doc-comment and commit message of the second patch a bit
though.
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prev parent reply other threads:[~2024-12-02 16:08 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-11-29 14:28 [pbs-devel] " Dominik Csapak
2024-11-29 14:28 ` [pbs-devel] [PATCH proxmox v2 2/2] sys: open directories with O_CLOEXEC Dominik Csapak
2024-12-02 14:01 ` Fabian Grünbichler
2024-12-02 14:55 ` Dominik Csapak
2024-12-02 15:03 ` Fabian Grünbichler
2024-12-02 14:02 ` [pbs-devel] [PATCH proxmox v2 1/2] sys: fs: set CLOEXEC when creating temp files Fabian Grünbichler
2024-12-02 16:07 ` Thomas Lamprecht [this message]
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