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 804501E885 for ; Thu, 8 Feb 2024 02:37:27 +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=1707359847; cv=none; b=cpezeLdWSOW+gLtRLI2BzmGvtQUy4u2MPY6p7fTo65wFlUtiyn5VpXwnvK8c80vmsaRvJnXNuf1sjcfDbgx4fSMMAAJeKPg8AbUK5tZOtX+/4OPa2NgQSekDa9QHRLEUFHhqGtxemvhYxXcXNXmVowue4sUZPcCzbygjuNTWu4E= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1707359847; c=relaxed/simple; bh=DdyX3bM664IIVUZuIaaPxikZ/RoBb6AVv83T16FG5/0=; h=Date:From:To:Cc:Subject:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=lGq4C0QGwtC+zj/xLP6+kZxHhY4//odqyXPcJ7u41dSwCHgYYQo8G/bwrLNiRT37jYHfcS6wz97I1iVZhedUaUi/yr4vINmwFh9kacwl95ceUlg2xPmnwQr+0JEztnGtR1/xMoqcf7mvsfC8CpSaOptTLnpgr4CxAwmuGxB3iOI= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=vRCqr+Oq; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="vRCqr+Oq" Received: by smtp.kernel.org (Postfix) with ESMTPSA id AB461C433F1; Thu, 8 Feb 2024 02:37:26 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1707359847; bh=DdyX3bM664IIVUZuIaaPxikZ/RoBb6AVv83T16FG5/0=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=vRCqr+OqnvIUjPTW4qXqmHWN0XKhynmTTV/+jU/A4T05Pk6ZVnE82qIQ8B3VgCwmA 5o/xpOhrwib9dn9eKilSGQ1Xg8UWbnWdMaAnFw60KvzoK49OBiZpwcYDj+sN8fc+vH VGPTJdQ0JMTDlfYKgcfeCVLdVvOwGIstrsiowhTjQPneg7WObnO8muk19jrECJtWKQ ahLSJCE2LnU8vNHN5eANEHupsLyaoKOsE5urKcZ8VvSQlvqiCAc1/hBQxVtAvLh8AL a+apPW+t/+gM4gD8IrfTw8axgs34W2AKxxIgiEY25L4b2se0CM8aNbyl6cLlM08R92 9E+20jDqavuqQ== Date: Wed, 7 Feb 2024 18:37:25 -0800 From: Jakub Kicinski To: Thinh Tran Cc: netdev@vger.kernel.org, aelior@marvell.com, davem@davemloft.net, manishc@marvell.com, pabeni@redhat.com, skalluru@marvell.com, simon.horman@corigine.com, edumazet@google.com, VENKATA.SAI.DUGGI@ibm.com, drc@linux.vnet.ibm.com, abdhalee@in.ibm.com Subject: Re: [PATCH v7 1/2] net/bnx2x: Prevent access to a freed page in page_pool Message-ID: <20240207183725.4ab9c941@kernel.org> In-Reply-To: <90238577e00a7a996767b84769b5e03ef840b13a.1706804455.git.thinhtr@linux.vnet.ibm.com> References: <90238577e00a7a996767b84769b5e03ef840b13a.1706804455.git.thinhtr@linux.vnet.ibm.com> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit On Thu, 1 Feb 2024 11:48:21 -0600 Thinh Tran wrote: > Verify page pool allocations before freeing. Could you add an example stack trace or explain how the crash can occur? Could you add a Fixes tag?