From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from abb.hmeau.com (abb.hmeau.com [180.181.231.80]) (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 39B3C32C942; Fri, 27 Mar 2026 10:09:50 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=180.181.231.80 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1774606191; cv=none; b=UOID5v62XY5Q6W2yLRucGt+3GOqkd4LEAcYjUEiRiTtUF1Viy9OK8gVHjGIzO555HFSalp7sxR9EgxRc8+F0IgQ+PD0PAEHy4WjmGfnaJCyKgjiN55IuwjcwXBy4y/i8a3nIp02XXhHSXrsXjK0vi62w+EDRtipu9QYsFFyNScQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1774606191; c=relaxed/simple; bh=gTvXuReAjPAHASbBqememMh2xAfDOENN+LVHcJgIniQ=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=rp0ZHwxBVg/9g5F+xkrYYgJBSqJyeJfhpMCsEpTBADUCTXXZ8wElmryOLTYpKEHKlClNoQ+vASiTEAdb1FS46Jxm5x7OZNirYEB/Wlw2Z5jLrVBO1gcWl9WQxaacJ5OXPnkLjSXgPFCY9RdmDOyXgK6Es1LiAGTlKBTDqs1ytwI= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=gondor.apana.org.au; spf=pass smtp.mailfrom=gondor.apana.org.au; dkim=pass (2048-bit key) header.d=gondor.apana.org.au header.i=@gondor.apana.org.au header.b=HysPy/Yo; arc=none smtp.client-ip=180.181.231.80 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=gondor.apana.org.au Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gondor.apana.org.au Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gondor.apana.org.au header.i=@gondor.apana.org.au header.b="HysPy/Yo" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=gondor.apana.org.au; s=h01; h=In-Reply-To:Content-Type:MIME-Version: References:Message-ID:Subject:Cc:To:From:Date:cc:to:subject:message-id:date: from:content-type:reply-to; bh=Elqfb1zrZbxu2yixOnTRFdEca09tffbB/3BR31L15h8=; b=HysPy/YotyLf6MJXwTL8jI5zpyBP0cEu1RfUAs/jaNC4Y2rE8MDsIbWnF09AS7IWuooOBXxS2Hf //1OMxhjNjct2/CMiHimOAAIut+d1lLj6OZViS+EPXpYb+hRwTQDmquUt7KcrJIzKLxdFmPsWyFcj XoDHfSQSi9a37GGLhCkrOwZJUNwlrF7K/L8ieU1Mk3wJLb+/7y10lrO//BuFi/joMxe79T0xDQeff xt62B/s9BcuHCvsOUR07Iaa2lPZ/trwS+CDokrkr8GFOldgDpYJeU8vaW3V9IWgrzCtwHn/RWQDny R3liqMZn5ORwRz1+DDuwebx6L09LyIhUYW7w==; Received: from loth.rohan.me.apana.org.au ([192.168.167.2]) by formenos.hmeau.com with smtp (Exim 4.96 #2 (Debian)) id 1w63ix-001brH-1B; Fri, 27 Mar 2026 18:09:47 +0800 Received: by loth.rohan.me.apana.org.au (sSMTP sendmail emulation); Fri, 27 Mar 2026 19:09:46 +0900 Date: Fri, 27 Mar 2026 19:09:46 +0900 From: Herbert Xu To: Chenghai Huang Cc: davem@davemloft.net, linux-kernel@vger.kernel.org, linux-crypto@vger.kernel.org, fanghao11@huawei.com, liulongfang@huawei.com, qianweili@huawei.com, linwenkai6@hisilicon.com, wangzhou1@hisilicon.com Subject: Re: [PATCH] crypto: hisilicon/sec2 - prevent req used-after-free for sec Message-ID: References: <20260321070038.2023844-1-huangchenghai2@huawei.com> Precedence: bulk X-Mailing-List: linux-crypto@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260321070038.2023844-1-huangchenghai2@huawei.com> On Sat, Mar 21, 2026 at 03:00:38PM +0800, Chenghai Huang wrote: > From: Wenkai Lin > > During packet transmission, if the system is under heavy load, > the hardware might complete processing the packet and free the > request memory (req) before the transmission function finishes. > If the software subsequently accesses this req, a use-after-free > error will occur. The qp_ctx memory exists throughout the packet > sending process, so replace the req with the qp_ctx. > > Fixes: f0ae287c5045 ("crypto: hisilicon/sec2 - implement full backlog mode for sec") > Signed-off-by: Wenkai Lin > Signed-off-by: Chenghai Huang > --- > drivers/crypto/hisilicon/sec2/sec_crypto.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) Patch applied. Thanks. -- Email: Herbert Xu Home Page: http://gondor.apana.org.au/~herbert/ PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt