From: Eugeniu Rosca <erosca@de.adit-jv.com>
To: <fdmanana@kernel.org>
Cc: <linux-btrfs@vger.kernel.org>, <erosca@de.adit-jv.com>,
<Maksim.Paimushkin@se.bosch.com>, <Matthias.Thomae@de.bosch.com>,
<Sebastian.Unger@bosch.com>, <Dirk.Behme@de.bosch.com>,
<Eugeniu.Rosca@bosch.com>, <wqu@suse.com>, <dsterba@suse.com>,
<stable@vger.kernel.org>, Filipe Manana <fdmanana@suse.com>,
Ian Johnson <ian@ianjohnson.dev>,
Eugeniu Rosca <roscaeugeniu@gmail.com>
Subject: Re: [PATCH 3/4 for 5.15 stable] btrfs: refresh dir last index during a rewinddir(3) call
Date: Fri, 26 Jan 2024 20:08:17 +0100 [thread overview]
Message-ID: <20240126190817.GD2668448@lxhi-087> (raw)
In-Reply-To: <acbd885da4e8e7076c11bbcc31e0f6090cc10201.1706183427.git.fdmanana@suse.com>
On Thu, Jan 25, 2024 at 11:59:37AM +0000, fdmanana@kernel.org wrote:
> From: Filipe Manana <fdmanana@suse.com>
>
> commit e60aa5da14d01fed8411202dbe4adf6c44bd2a57 upstream.
>
> When opening a directory we find what's the index of its last entry and
> then store it in the directory's file handle private data (struct
> btrfs_file_private::last_index), so that in the case new directory entries
> are added to a directory after an opendir(3) call we don't end up in an
> infinite loop (see commit 9b378f6ad48c ("btrfs: fix infinite directory
> reads")) when calling readdir(3).
[..]
> Fixes: 9b378f6ad48c ("btrfs: fix infinite directory reads")
> CC: stable@vger.kernel.org # 6.5+
> Signed-off-by: Filipe Manana <fdmanana@suse.com>
> Signed-off-by: David Sterba <dsterba@suse.com>
Based on https://lore.kernel.org/stable/20240126185534.GA2668448@lxhi-087:
Reviewed-by: Eugeniu Rosca <eugeniu.rosca@bosch.com>
next prev parent reply other threads:[~2024-01-26 19:08 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-01-25 11:59 [PATCH 0/4 for 5.15 stable] btrfs: some directory fixes for stable 5.15 fdmanana
2024-01-25 11:59 ` [PATCH 1/4 for 5.15 stable] btrfs: fix infinite directory reads fdmanana
2024-01-26 19:06 ` Eugeniu Rosca
2024-01-25 11:59 ` [PATCH 2/4 for 5.15 stable] btrfs: set last dir index to the current last index when opening dir fdmanana
2024-01-26 19:07 ` Eugeniu Rosca
2024-01-25 11:59 ` [PATCH 3/4 for 5.15 stable] btrfs: refresh dir last index during a rewinddir(3) call fdmanana
2024-01-26 19:08 ` Eugeniu Rosca [this message]
2024-01-25 11:59 ` [PATCH 4/4 for 5.15 stable] btrfs: fix race between reading a directory and adding entries to it fdmanana
2024-01-26 19:09 ` Eugeniu Rosca
2024-01-26 18:55 ` [PATCH 0/4 for 5.15 stable] btrfs: some directory fixes for stable 5.15 Eugeniu Rosca
2024-01-27 18:02 ` Filipe Manana
2024-01-29 13:39 ` Eugeniu Rosca
2024-01-27 1:15 ` Greg KH
2024-01-27 17:58 ` Filipe Manana
2024-01-27 18:18 ` Filipe Manana
2024-01-27 21:19 ` Greg KH
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