From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 6906337E5DB; Sun, 26 Jul 2026 21:24:58 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1785101099; cv=none; b=Qf5LC6MC1+ML7xKxhTAYRjPfnX5yUC3gWRdONL1E0LFwpNY/jiE6cxf2+FSaVeJbg/BWRgOORbkgkoCmCVFGjv1t+21j0BuazKafhDLSRWhq0A3ut6RPAGZ70fYBCQZezkxSD5IaHxbvEUg7cDBIvNJE/vlh2WaUWbYUoW7+OOc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1785101099; c=relaxed/simple; bh=5ZdJSOOCPBhipHepk1azdLqSrq4fY/1F3sVjK+amoLE=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=iYenAtwUb5WkjtsK7qtI7GVHmD4CycnVmGCjt12Dw/EcxkfUo1LIweg8h8voY8U65B1O9FuQmLdp+7rbAZ6A/dCtOaPJQqUBg3hbirYxtisE8qYU4M4GvIqNT5/UBuzKKEvcxhrl20/Int+h5P3ZMKIXriAmWu3aXj6f26n33/g= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=ooEejfeK; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="ooEejfeK" Received: by smtp.kernel.org (Postfix) with ESMTPSA id A31131F00A3D; Sun, 26 Jul 2026 21:24:57 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1785101098; bh=lH95FImYy8DUaXS4D+fuUvnTWLIR9sGCoR4vzbMcuiY=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=ooEejfeKuvNG/ge4aWMt78qOh8xtFlYQIhzLEXtxwjO0jhT8KpejKLb3ArkSx8jUU hgmIbwEENdQfL+03pZtETHUp+HMnn7gTgJnIyiiNJngvS4A7pjcd5mJce80PodtZIz uQMyuTxrZq8GA1fWuLYu0ymIF127KqYBViASd5/skQ9a5NanIeuQmck3rmQUjOgAk3 nKcHWm/nQ5vHjzR942Wh1NJMjWi8V8j+QEYEpUnLBoHe8adlTTq79GIaatiF33+uvo z2062TOfY/LV5mUknHzjxQZ33lyqCY/DIDHiodJLirzXMu3GbHGBj5DutisK8TBuwz UG7te8mTAGdmw== From: Sasha Levin To: gregkh@linuxfoundation.org Cc: Sasha Levin , harshit.m.mogalapalli@oracle.com, stable@vger.kernel.org, patches@lists.linux.dev, "Zhou, Yun" Subject: Re: [PATCH 6.12.y] ext4: validate donor file superblock early in EXT4_IOC_MOVE_EXT Date: Sun, 26 Jul 2026 17:24:50 -0400 Message-ID: <20260726195203.stable-0007@kernel.org> X-Mailer: git-send-email 2.53.0 In-Reply-To: References: Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit > I see that the fix-up patch [1] has already been merged. Could you > please double-check it? Double-checked, and 6.12.y is complete: the original backport went out in 6.12.97 and your fd-leak fixup in 6.12.98. In the merged result the cross-superblock rejection sets err and jumps to mext_out, so the fdput(donor) is no longer bypassed. -- Thanks, Sasha