From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from m16.mail.126.com (m16.mail.126.com [220.197.31.9]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 2A31C634; Thu, 7 Mar 2024 02:36:25 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=220.197.31.9 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1709778990; cv=none; b=H79Vofko2klAtiD4LvaEzYy0VNGY5+V0me9aNECl1JsaSnyxVqvg+J3Dod3A66AETDKu6eMeK0jTK5W0Iv7BBfK9MkSt/rTb3dS0WoUrqoD5vjbI+kJ/YfiFRK+PBGmXorr1ZjKh0KaE5H4BYZgipMqi3Td1qsSqnayMzaslHvo= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1709778990; c=relaxed/simple; bh=ph/feJGGmyKfp67MFuqLst7sYIAeGwNOGN5BYN+bQ0Q=; h=Date:From:To:Cc:Subject:In-Reply-To:References:Content-Type: MIME-Version:Message-ID; b=gIUFIugVn0NqpftCVkXydJ2oCTvS//RNeg6HWOF6PoKDddxGngi6IZd1q3J26pur1FJoTJzedD6NxjR6tN16en6vm1Ra97O1RNX6qGQOTdE3KJGO1+rZ1of5dvK99aHLYByHSNUq3rWLf/QOh47MGHcSeFWjXXaL4/3imgQ+D5Q= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=126.com; spf=pass smtp.mailfrom=126.com; dkim=fail (1024-bit key) header.d=126.com header.i=@126.com header.b=O8WtXdlI reason="signature verification failed"; arc=none smtp.client-ip=220.197.31.9 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=126.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=126.com Authentication-Results: smtp.subspace.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=126.com header.i=@126.com header.b="O8WtXdlI" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=126.com; s=s110527; h=Date:From:Subject:Content-Type:MIME-Version: Message-ID; bh=eOz3J2MB+Wc80am0ayotko7x6oelnuQokEDQt3pZbG8=; b=O 8WtXdlIUkbirCRFEmhsm0DzJ42qOhzf1IMsAJ0w9NDk5KHerNqNk0dpFARil+2kA T6LCcY6gBeFKJ+GuRWADzPqgIJY3XCXib27E0RwGi7XFd3edjcZVJ+GA27U34Z5O OAttvNKlZ072NkkTjbzxewMjGm+kwIWqEn/GnKmDwY= Received: from zhanggenjian$126.com ( [116.128.244.171] ) by ajax-webmail-wmsvr-41-107 (Coremail) ; Thu, 7 Mar 2024 10:34:12 +0800 (CST) Date: Thu, 7 Mar 2024 10:34:12 +0800 (CST) From: "genjian zhang" To: "Greg KH" Cc: stable@vger.kernel.org, axboe@kernel.dk, stable@kernel.org, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, zhanggenjian123@gmail.com, "Genjian Zhang" Subject: Re:Re: [PATCH 4.19.y 0/9] Fix the UAF issue caused by the loop driver X-Priority: 3 X-Mailer: Coremail Webmail Server Version XT5.0.14 build 20230109(dcb5de15) Copyright (c) 2002-2024 www.mailtech.cn 126com In-Reply-To: <2024030421-obedient-unbalance-a728@gregkh> References: <20240301013028.2293831-1-zhanggenjian@126.com> <2024030421-obedient-unbalance-a728@gregkh> X-NTES-SC: AL_Qu2bC/uct0Au5CKdZOkfm0kTg+k6Xcq4s/gi34NePZh+jDrjywYgQnxAAH35++yzCxq9lxuUSzJA0d5hZ693X7MoLEPpoF0ktS/iAo7kf2uWYw== Content-Transfer-Encoding: base64 Content-Type: text/plain; charset=GBK Precedence: bulk X-Mailing-List: linux-block@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-ID: <1d74f009.2179.18e16c2d99f.Coremail.zhanggenjian@126.com> X-Coremail-Locale: zh_CN X-CM-TRANSID:_____wD3v_CkJ+ll1IcAAA--.4032W X-CM-SenderInfo: x2kd0wxjhqyxldq6ij2wof0z/1tbiHgqXfmV2z9pb8gANsf X-Coremail-Antispam: 1U5529EdanIXcx71UUUUU7vcSsGvfC2KfnxnUU== CkF0IDIwMjQtMDMtMDQgMjE6MzE6MjAsICJHcmVnIEtIIiA8Z3JlZ2toQGxpbnV4Zm91bmRhdGlv bi5vcmc+IHdyb3RlOgo+T24gRnJpLCBNYXIgMDEsIDIwMjQgYXQgMDk6MzA6MTlBTSArMDgwMCwg R2VuamlhbiB3cm90ZToKPj4gRnJvbTogR2VuamlhbiBaaGFuZyA8emhhbmdnZW5qaWFuQGt5bGlu b3MuY24+Cj4+IAo+PiBIZWxsbyEKPj4gCj4+IFdlIGZvdW5kIHRoYXQgMjAzNWM3NzBiZmRiICgi bG9vcDogQ2hlY2sgZm9yIG92ZXJmbG93IHdoaWxlIGNvbmZpZ3VyaW5nIGxvb3AiKSBsb3N0IGEg dW5sb2NrIGxvb3BfY3RsX211dGV4IGluIGxvb3BfZ2V0X3N0YXR1cyguLi4pLgo+PiB3aGljaCBj YXVzZWQgc3l6Ym90IHRvIHJlcG9ydCBhIFVBRiBpc3N1ZS4gSG93ZXZlciwgdGhlIHVwc3RyZWFt IHBhdGNoIGRvZXMgbm90IGhhdmUgdGhpcyBpc3N1ZS4KPj4gU28sIHdlIHJldmVydCB0aGlzIHBh dGNoIGFuZCBkaXJlY3RseSBhcHBseSB0aGUgdW5tb2RpZmllZCB1cHN0cmVhbSBwYXRjaC4KPj4g Cj4+IFJpc2sgdXNlLWFmdGVyLWZyZWUgYXMgcmVwb3J0ZWQgYnkgc3l6Ym90o7oKPgo+VGhpcyBs b29rcyBnb29kLCBidXQgeW91IGFyZSBiYWNrcG9ydGluZyBjb21taXRzIHRoYXQgYXJlIE5PVCBp biBuZXdlcgo+c3RhYmxlIHJlbGVhc2VzIChpLmUuIGZyb20gNS44IGJ1dCB0aGUgY29tbWl0IGlz IG5vdCBpbiA1LjQueSksIGlzIHRoYXQKPmludGVudGlvbmFsPwo+Cj5Eb2VzIDUuNC55IGFsc28g aGF2ZSB0aGlzIHByb2JsZW0/ICBJZiBzbywgY2FuIHlvdSBzZW5kIGEgc2VyaWVzIHRoYXQKPmZp eGVzIHRoYXQgdXAgc28gSSBjYW4gdGFrZSBib3RoIG9mIHRoZW0gYXQgdGhlIHNhbWUgdGltZT8K Pgo+dGhhbmtzLAo+Cj5ncmVnIGstaAoKVGhhbmsgeW91IGZvciB5b3VyIGFkdmljZS4gVGhpcyBw cm9ibGVtIGFsc28gZXhpc3RzIGluIDUuNC55LiAKSSB3aWxsIHNlbmQgYSBzZXJpZXMgb2YgcGF0 Y2hlcyBmb3IgNS40LnkuCgp0aGFua3MsCgpHZW5qaWFuCg==