Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751597AbdHVPwh (ORCPT ); Tue, 22 Aug 2017 11:52:37 -0400 Received: from mail-wr0-f195.google.com ([209.85.128.195]:37623 "EHLO mail-wr0-f195.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751003AbdHVPwg (ORCPT ); Tue, 22 Aug 2017 11:52:36 -0400 Date: Tue, 22 Aug 2017 17:52:31 +0200 From: Seraphime Kirkovski To: Linus Walleij Cc: "linux-mmc@vger.kernel.org" , "linux-kernel@vger.kernel.org" Subject: Re: KASAN + general protection fault while writing to mmc Message-ID: <20170822155231.voiydjrfgbiomdkm@macchiaveli> References: <20170810200733.27sqzr47ixlpxd62@macchiaveli> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: NeoMutt/20170113 (1.7.2) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 891 Lines: 30 On Tue, Aug 22, 2017 at 02:17:38PM +0200, Linus Walleij wrote: > commit 67e69d5220c904238f94bb2e6001d7c590f5a0bb > Author: Linus Walleij > Date: Fri May 19 15:37:27 2017 +0200 > > mmc: block: remove req back pointer > > Just as we can use blk_mq_rq_from_pdu() to get the per-request > tag we can use blk_mq_rq_to_pdu() to get a request from a tag. > Introduce a static inline helper so we are on the clear what > is happening. > > Suggested-by: Christoph Hellwig > Signed-off-by: Linus Walleij > Signed-off-by: Ulf Hansson > > Can you try reverting it and see if the problem goes away? > > Yours, > Linus Walleij Thanks for the reply ! The problem doesn't go away, it is only delayed. Will try to find some time to bisect it. Thanks, Seraphime Kirkovski