From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 4513C279794; Wed, 28 Jan 2026 14:26:50 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769610411; cv=none; b=Q8W85FhCPNd7SoNQjIfUjxvAy9nRHEe+PaYXN+I4T5QIt0wCWm0qR6PdRQe1vr6qWPRDwfgeiSio9K5QMuDpOhMbWvT0cE/+Ketv1IsyCwD/xJAsd/TZLGK6q85BzxILX7IHXBR+kDMSLpOjkfftuicDiNjtcJS+zg+AtG+mwlg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769610411; c=relaxed/simple; bh=vxVtddPUUeVlSjhjy//2jICkO4QVc+Y88qCQSynG68o=; h=Subject:To:Cc:From:Date:In-Reply-To:Message-ID:MIME-Version: Content-Type; b=fEN1UxSB+Wq0O6RKDpAC9n3Z1DmUPWdoyKQWB1TpYXZ9hEA4OxX8Iho3209bTPUwl+e6HhkD1Ay44w78sP3xlmvIvkCVCbCobn+N8z1EU+wS5u8mV5LoPWq4XjaqEPT4PLNCoi/cuaceZDTtzjYvvEHs1bzclOjVE8bM1YJo94Q= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=urvfRGzJ; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="urvfRGzJ" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 7A356C4CEF1; Wed, 28 Jan 2026 14:26:50 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1769610410; bh=vxVtddPUUeVlSjhjy//2jICkO4QVc+Y88qCQSynG68o=; h=Subject:To:Cc:From:Date:In-Reply-To:From; b=urvfRGzJ+kTIilb6HfjmxMm9OX4yQTnCQfJE+52Jtrntgc2MyQISTcxkEYbALR6jH GcxpkM5b4T+r79pesQ6SEWoZ+vUj8q+4/JMlaAeUDOCBbGUkvStsdBKuohlXjOVl5N yNRqTH38ojpi3/8Gp/e6zMna8k9z1/jWOy/BEtCY= Subject: Patch "fs/ntfs3: Initialize allocated memory before use" has been added to the 6.6-stable tree To: 1468888505@139.com,almaz.alexandrovich@paragon-software.com,gregkh@linuxfoundation.org,khalid@kernel.org,kubik.bartlomiej@gmail.com,ntfs3@lists.linux.dev,patches@lists.linux.dev,syzbot+0399100e525dd9696764@syzkaller.appspotmail.com,syzbot+332bd4e9d148f11a87dc@syzkaller.appspotmail.com Cc: From: Date: Wed, 28 Jan 2026 15:24:54 +0100 In-Reply-To: <20260123065753.4067735-1-1468888505@139.com> Message-ID: <2026012854-backtrack-sled-263a@gregkh> Precedence: bulk X-Mailing-List: ntfs3@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=ANSI_X3.4-1968 Content-Transfer-Encoding: 8bit X-stable: commit X-Patchwork-Hint: ignore This is a note to let you know that I've just added the patch titled fs/ntfs3: Initialize allocated memory before use to the 6.6-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: fs-ntfs3-initialize-allocated-memory-before-use.patch and it can be found in the queue-6.6 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let know about it. >From stable+bounces-211342-greg=kroah.com@vger.kernel.org Fri Jan 23 08:03:23 2026 From: Li hongliang <1468888505@139.com> Date: Fri, 23 Jan 2026 14:57:53 +0800 Subject: fs/ntfs3: Initialize allocated memory before use To: gregkh@linuxfoundation.org, stable@vger.kernel.org, kubik.bartlomiej@gmail.com Cc: patches@lists.linux.dev, linux-kernel@vger.kernel.org, khalid@kernel.org, almaz.alexandrovich@paragon-software.com, ntfs3@lists.linux.dev Message-ID: <20260123065753.4067735-1-1468888505@139.com> From: Bartlomiej Kubik [ Upstream commit a8a3ca23bbd9d849308a7921a049330dc6c91398 ] KMSAN reports: Multiple uninitialized values detected: - KMSAN: uninit-value in ntfs_read_hdr (3) - KMSAN: uninit-value in bcmp (3) Memory is allocated by __getname(), which is a wrapper for kmem_cache_alloc(). This memory is used before being properly cleared. Change kmem_cache_alloc() to kmem_cache_zalloc() to properly allocate and clear memory before use. Fixes: 82cae269cfa9 ("fs/ntfs3: Add initialization of super block") Fixes: 78ab59fee07f ("fs/ntfs3: Rework file operations") Tested-by: syzbot+332bd4e9d148f11a87dc@syzkaller.appspotmail.com Reported-by: syzbot+332bd4e9d148f11a87dc@syzkaller.appspotmail.com Closes: https://syzkaller.appspot.com/bug?extid=332bd4e9d148f11a87dc Fixes: 82cae269cfa9 ("fs/ntfs3: Add initialization of super block") Fixes: 78ab59fee07f ("fs/ntfs3: Rework file operations") Tested-by: syzbot+0399100e525dd9696764@syzkaller.appspotmail.com Reported-by: syzbot+0399100e525dd9696764@syzkaller.appspotmail.com Closes: https://syzkaller.appspot.com/bug?extid=0399100e525dd9696764 Reviewed-by: Khalid Aziz Signed-off-by: Bartlomiej Kubik Signed-off-by: Konstantin Komarov Signed-off-by: Li hongliang <1468888505@139.com> Signed-off-by: Greg Kroah-Hartman --- fs/ntfs3/inode.c | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-) --- a/fs/ntfs3/inode.c +++ b/fs/ntfs3/inode.c @@ -1327,7 +1327,7 @@ struct inode *ntfs_create_inode(struct m fa |= FILE_ATTRIBUTE_READONLY; /* Allocate PATH_MAX bytes. */ - new_de = __getname(); + new_de = kmem_cache_zalloc(names_cachep, GFP_KERNEL); if (!new_de) { err = -ENOMEM; goto out1; @@ -1756,10 +1756,9 @@ int ntfs_link_inode(struct inode *inode, struct NTFS_DE *de; /* Allocate PATH_MAX bytes. */ - de = __getname(); + de = kmem_cache_zalloc(names_cachep, GFP_KERNEL); if (!de) return -ENOMEM; - memset(de, 0, PATH_MAX); /* Mark rw ntfs as dirty. It will be cleared at umount. */ ntfs_set_state(sbi, NTFS_DIRTY_DIRTY); @@ -1795,7 +1794,7 @@ int ntfs_unlink_inode(struct inode *dir, return -EINVAL; /* Allocate PATH_MAX bytes. */ - de = __getname(); + de = kmem_cache_zalloc(names_cachep, GFP_KERNEL); if (!de) return -ENOMEM; Patches currently in stable-queue which might be from 1468888505@139.com are queue-6.6/fs-ntfs3-initialize-allocated-memory-before-use.patch queue-6.6/drm-amdgpu-csa-unmap-use-uninterruptible-lock.patch queue-6.6/wifi-ath11k-fix-rcu-stall-while-reaping-monitor-destination-ring.patch queue-6.6/ksmbd-fix-use-after-free-in-ksmbd_session_rpc_open.patch