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From: Greg KH <gregkh@linuxfoundation.org>
To: ZhengYuan Huang <gality369@gmail.com>
Cc: tytso@mit.edu, adilger.kernel@dilger.ca, tahsin@google.com,
	linux-ext4@vger.kernel.org, linux-kernel@vger.kernel.org,
	baijiaju1990@gmail.com, r33s3n6@gmail.com, zzzccc427@gmail.com,
	stable@vger.kernel.org
Subject: Re: [PATCH] ext4: xattr: fix out-of-bounds access in ext4_xattr_set_entry
Date: Wed, 18 Mar 2026 09:09:52 +0100	[thread overview]
Message-ID: <2026031838-knoll-clammy-6446@gregkh> (raw)
In-Reply-To: <20260318075842.3341370-1-gality369@gmail.com>

On Wed, Mar 18, 2026 at 03:58:42PM +0800, ZhengYuan Huang wrote:
> [BUG]
> KASAN reports show out-of-bounds and use-after-free memory accesses when
> ext4_xattr_set_entry() processes corrupted on-disk xattr entries:

Does runing fsck on the disk image before mounting it catch this error?

thanks,

greg k-h

  reply	other threads:[~2026-03-18  8:10 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-03-18  7:58 [PATCH] ext4: xattr: fix out-of-bounds access in ext4_xattr_set_entry ZhengYuan Huang
2026-03-18  8:09 ` Greg KH [this message]
2026-03-18 14:45 ` Theodore Tso
2026-03-19 11:13   ` ZhengYuan Huang
2026-03-19 13:58     ` Theodore Tso
2026-03-20  7:43       ` ZhengYuan Huang
2026-03-20 12:32         ` Theodore Tso

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