From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-17.4 required=3.0 tests=DKIMWL_WL_MED,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT, USER_IN_DEF_DKIM_WL autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 951E0C43603 for ; Fri, 20 Dec 2019 18:51:20 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 54A9D206DA for ; Fri, 20 Dec 2019 18:51:20 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="KKmGVFNh" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 54A9D206DA Authentication-Results: mail.kernel.org; dmarc=fail (p=reject dis=none) header.from=google.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 059758E01BB; Fri, 20 Dec 2019 13:51:20 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 008A68E019D; Fri, 20 Dec 2019 13:51:19 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id E61908E01BB; Fri, 20 Dec 2019 13:51:19 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0097.hostedemail.com [216.40.44.97]) by kanga.kvack.org (Postfix) with ESMTP id D10998E019D for ; Fri, 20 Dec 2019 13:51:19 -0500 (EST) Received: from smtpin06.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay03.hostedemail.com (Postfix) with SMTP id 558F58249980 for ; Fri, 20 Dec 2019 18:51:19 +0000 (UTC) X-FDA: 76286412678.06.quiet86_7fe8df9431f39 X-HE-Tag: quiet86_7fe8df9431f39 X-Filterd-Recvd-Size: 5327 Received: from mail-wr1-f73.google.com (mail-wr1-f73.google.com [209.85.221.73]) by imf36.hostedemail.com (Postfix) with ESMTP for ; Fri, 20 Dec 2019 18:51:18 +0000 (UTC) Received: by mail-wr1-f73.google.com with SMTP id z10so1812290wrt.21 for ; Fri, 20 Dec 2019 10:51:18 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20161025; h=date:in-reply-to:message-id:mime-version:references:subject:from:to :cc; bh=hr8xACShu0Ss9MPiJ1HN2mEP62YRMMGKH1mMV76C4qQ=; b=KKmGVFNh50ro3Q167YvLpGp0D/tVxmYjDggglPM85HDeaefaGZhRJIZcCSq+JkHcP3 AqFwKY6zFya8exiH9+BjyDs9UeZFonfW9TWGLSyZwvnPHjhPlIBIplVBw4XhtPzEjCia 9SK989+NFwJjJJ7gSTdwHy5lV4vaoPgI4HgeJmQt7ErCPFgDnFLeS8mHvHuceRGGRs8m uGW6dmtr1z4+ogOrlg/kyFqfPVlJbrZIH2THScSdT4RFhVlCQeReqv0+6uq6pFURGSDK 5hsgMCU8OwKinMpdLZjQgrlahbGLfwwGwqek4sJ5bHISKLrwxTh/zJA9yn2BcgKzX1gA CIzA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:in-reply-to:message-id:mime-version :references:subject:from:to:cc; bh=hr8xACShu0Ss9MPiJ1HN2mEP62YRMMGKH1mMV76C4qQ=; b=VrzxT59LiN569gePTAJkFE+DA5oFFLVmB1JyD4eZIkMO7G+03EKtGGIZyIcc8E+sJv XRRqNbECSFk8NIt1Hr/J86hlqI1vo6BDSont7TR8UNW2rsPHpvOCyIdgYNuAfvFwfBzi qGko8iEe6IFTd1MLohpoo+CBrOWeBCvDBDFb8zMjfLloVeEGglvXAeXNPRdE954lZIH6 ujcn1r5mjKq+2ueZmySWXY8AimoLD9g9uN99XTa6006amv8IkbNzBBVOFd/vX/AdvkZ2 uHgRfVVgcWv++7sPgMRSDg+Tp/qaaHxYn/YMeOOwSo29IeZu8Y5acQOjhRaRrOzJFu2y JtwA== X-Gm-Message-State: APjAAAXRv7/hEDdWPpCZB3FghEn/zsCW1Eh3z+4Iy9FI42JMcorNsCdl JEiRArF1vTIPWxA3uZg7xkdA97ki1X4= X-Google-Smtp-Source: APXvYqyP0Fq0mKVHvpWYJFHzXpTVYyO6W2/YgJnGqOv/1818LuKvD9369IIFZqNK69/24b2izX93SvFlsPA= X-Received: by 2002:adf:edd0:: with SMTP id v16mr16680342wro.310.1576867877482; Fri, 20 Dec 2019 10:51:17 -0800 (PST) Date: Fri, 20 Dec 2019 19:49:37 +0100 In-Reply-To: <20191220184955.223741-1-glider@google.com> Message-Id: <20191220184955.223741-25-glider@google.com> Mime-Version: 1.0 References: <20191220184955.223741-1-glider@google.com> X-Mailer: git-send-email 2.24.1.735.g03f4e72817-goog Subject: [PATCH RFC v4 24/42] kmsan: handle memory sent to/from USB From: glider@google.com To: Andrew Morton , Greg Kroah-Hartman , Eric Dumazet , Wolfram Sang , Petr Mladek , Vegard Nossum , Dmitry Vyukov , Marco Elver , Andrey Konovalov , linux-mm@kvack.org Cc: glider@google.com, viro@zeniv.linux.org.uk, adilger.kernel@dilger.ca, aryabinin@virtuozzo.com, luto@kernel.org, ard.biesheuvel@linaro.org, arnd@arndb.de, hch@infradead.org, hch@lst.de, darrick.wong@oracle.com, davem@davemloft.net, dmitry.torokhov@gmail.com, ebiggers@google.com, ericvh@gmail.com, harry.wentland@amd.com, herbert@gondor.apana.org.au, iii@linux.ibm.com, mingo@elte.hu, jasowang@redhat.com, axboe@kernel.dk, m.szyprowski@samsung.com, mark.rutland@arm.com, martin.petersen@oracle.com, schwidefsky@de.ibm.com, willy@infradead.org, mst@redhat.com, mhocko@suse.com, monstr@monstr.eu, cai@lca.pw, rdunlap@infradead.org, robin.murphy@arm.com, sergey.senozhatsky@gmail.com, rostedt@goodmis.org, tiwai@suse.com, tytso@mit.edu, tglx@linutronix.de, gor@linux.ibm.com Content-Type: text/plain; charset="UTF-8" X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: Depending on the value of is_out kmsan_handle_urb() KMSAN either marks the data copied to the kernel from a USB device as initialized, or checks the data sent to the device for being initialized. Signed-off-by: Alexander Potapenko To: Alexander Potapenko Cc: Andrew Morton Cc: Greg Kroah-Hartman Cc: Eric Dumazet Cc: Wolfram Sang Cc: Petr Mladek Cc: Vegard Nossum Cc: Dmitry Vyukov Cc: Marco Elver Cc: Andrey Konovalov Cc: linux-mm@kvack.org --- This patch was previously called "kmsan: call KMSAN hooks where needed" v4: - split this patch away Change-Id: Idd0f8ce858975112285706ffb7286f570bd3007b --- drivers/usb/core/urb.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/usb/core/urb.c b/drivers/usb/core/urb.c index 0eab79f82ce4..5bdb54d71c2e 100644 --- a/drivers/usb/core/urb.c +++ b/drivers/usb/core/urb.c @@ -8,6 +8,7 @@ #include #include #include +#include #include #include #include @@ -401,6 +402,7 @@ int usb_submit_urb(struct urb *urb, gfp_t mem_flags) URB_SETUP_MAP_SINGLE | URB_SETUP_MAP_LOCAL | URB_DMA_SG_COMBINED); urb->transfer_flags |= (is_out ? URB_DIR_OUT : URB_DIR_IN); + kmsan_handle_urb(urb, is_out); if (xfertype != USB_ENDPOINT_XFER_CONTROL && dev->state < USB_STATE_CONFIGURED) -- 2.24.1.735.g03f4e72817-goog