From: sashiko-bot@kernel.org
To: "Sergey Senozhatsky" <senozhatsky@chromium.org>
Cc: linux-ext4@vger.kernel.org, tytso@mit.edu
Subject: Re: [PATCH] fs/ext4: fix ABBA deadlock in ext4_rmdir()
Date: Thu, 27 Aug 2026 13:01:57 +0000 [thread overview]
Message-ID: <20260827130157.C5A911F000E9@smtp.kernel.org> (raw)
In-Reply-To: <20260827125158.4030598-1-senozhatsky@chromium.org>
> We observe the following ABBA deadlock (casefolding enabled):
>
> INFO: task jbd2/dm-13-8:447 blocked for more than 720 seconds.
> task:jbd2/dm-13-8 state:D stack:0 pid:447 tgid:447 ppid:2
> Call Trace:
> <TASK>
> __schedule+0xc2c/0xe60
> schedule+0x40/0xe0
> jbd2_journal_wait_updates+0x8f/0xf0
> jbd2_journal_commit_transaction+0x321/0x1850
> kjournald2+0xa9/0x230
> kthread+0x226/0x2a0
> ret_from_fork+0x101/0x1e0
> ret_from_fork_asm+0x1a/0x30
>
> [ ... ]
>
> Fixes: b886ee3e778e ("ext4: Support case-insensitive file name lookups")
> Co-developed-by: Sarthak Kukreti <sarthakkukreti@google.com>
> Signed-off-by: Sarthak Kukreti <sarthakkukreti@google.com>
> Signed-off-by: Sergey Senozhatsky <senozhatsky@chromium.org>
Sashiko has reviewed this patch and found no issues. It looks great!
--
Sashiko AI review · https://sashiko.dev/#/patchset/20260827125158.4030598-1-senozhatsky@chromium.org?part=1
next prev parent reply other threads:[~2026-08-27 13:01 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-08-27 12:50 [PATCH] fs/ext4: fix ABBA deadlock in ext4_rmdir() Sergey Senozhatsky
2026-08-27 13:01 ` sashiko-bot [this message]
2026-08-27 13:41 ` Jan Kara
2026-08-28 4:03 ` Sergey Senozhatsky
2026-08-28 2:48 ` Baokun Li
2026-08-28 4:03 ` Sergey Senozhatsky
2026-08-29 9:53 ` Zhang Yi
2026-09-28 8:36 ` Sergey Senozhatsky
2026-10-09 8:56 ` Theodore Ts'o
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