Message ID | 20240613153924.961511-16-iii@linux.ibm.com (mailing list archive) |
---|---|
State | New |
Headers | show
Return-Path: <owner-linux-mm@kvack.org> X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id 206A3C27C4F for <linux-mm@archiver.kernel.org>; Thu, 13 Jun 2024 15:40:20 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 88CC76B00AF; Thu, 13 Jun 2024 11:39:57 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 7B4FA6B00B2; Thu, 13 Jun 2024 11:39:57 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 4A78F6B00B0; Thu, 13 Jun 2024 11:39:57 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0017.hostedemail.com [216.40.44.17]) by kanga.kvack.org (Postfix) with ESMTP id 189626B00AF for <linux-mm@kvack.org>; Thu, 13 Jun 2024 11:39:57 -0400 (EDT) Received: from smtpin16.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay07.hostedemail.com (Postfix) with ESMTP id BC3D9160195 for <linux-mm@kvack.org>; Thu, 13 Jun 2024 15:39:56 +0000 (UTC) X-FDA: 82226275992.16.4F7D3FB Received: from mx0b-001b2d01.pphosted.com (mx0b-001b2d01.pphosted.com [148.163.158.5]) by imf14.hostedemail.com (Postfix) with ESMTP id 81015100020 for <linux-mm@kvack.org>; Thu, 13 Jun 2024 15:39:54 +0000 (UTC) Authentication-Results: imf14.hostedemail.com; dkim=pass header.d=ibm.com header.s=pp1 header.b=C9B3gD6x; dmarc=pass (policy=none) header.from=ibm.com; spf=pass (imf14.hostedemail.com: domain of iii@linux.ibm.com designates 148.163.158.5 as permitted sender) smtp.mailfrom=iii@linux.ibm.com ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1718293193; a=rsa-sha256; cv=none; b=UhMyY+2vjr6JIPN7cWFp/VTqu3DTOvipOnp5quD+5Lk8+UF1JewB05aqOsQOOvhRTjmLgC +1BmAXXgdXzu7x0q2Hj/QX/5Enu2EPHmHymmXfGxrCIqGGAtaOoqTBuJL9UUJthGordzY6 TGseGvWYPGj/uojc9BKrioaecwyD1T0= ARC-Authentication-Results: i=1; imf14.hostedemail.com; dkim=pass header.d=ibm.com header.s=pp1 header.b=C9B3gD6x; dmarc=pass (policy=none) header.from=ibm.com; spf=pass (imf14.hostedemail.com: domain of iii@linux.ibm.com designates 148.163.158.5 as permitted sender) smtp.mailfrom=iii@linux.ibm.com ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1718293193; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references:dkim-signature; bh=CQQ3u2h7dcFLBX9YiN0MD8i5Yqiqh3Ez2ST5U0/0yhw=; b=i3cNwI9BwEeO4YjtfCreGEozvrAtHyCee49aJxyubtYwpxHNTmx9ChXDL7FET5cH+arJ4L GYaon6E5cHhJhssa3pw6y9sS8Es27nNxYv5phs8avm+RL3Cr0OeBIBU8jrTlTpzAhYJnqJ xrpo3fa3uMs5beH6Arzhj9s1sduQSnw= Received: from pps.filterd (m0353722.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.18.1.2/8.18.1.2) with ESMTP id 45DES86s002416; Thu, 13 Jun 2024 15:39:48 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ibm.com; h=from :to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; s=pp1; bh=CQQ3u2h7dcFLB X9YiN0MD8i5Yqiqh3Ez2ST5U0/0yhw=; b=C9B3gD6xMn4t/5RiT1yZlP3WUmW3e Yl20IZRYZ6uPlrUEn40Vy8xS4A56YLMR5ka3YhBysgGTcUiZRISitgugV2NOV7dg IeoM4si4EuWQhRCYV660qE3pRICKUk1IVs9BzWg1bszAzNw0fNYbwO56zBM50qFj cC55Eoz7M8/HWHU1jIzGkrnsyTHIZT8FCRV9HlratyKhdh6Qkh+vY8UdUP23Prhy 8+bm6BdfZ8XcKk2v55SMwnON92K90uza4SPc1dEuEZwWZKZM8Dd2RWLMJEyBosFk 9DHajnq0HfKhMQvVW+ljxck4zkpzfE+vFNc/ne4sTwZihr8P8/2+J4ImA== Received: from pps.reinject (localhost [127.0.0.1]) by mx0a-001b2d01.pphosted.com (PPS) with ESMTPS id 3yr1rbgdef-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 13 Jun 2024 15:39:48 +0000 (GMT) Received: from m0353722.ppops.net (m0353722.ppops.net [127.0.0.1]) by pps.reinject (8.18.0.8/8.18.0.8) with ESMTP id 45DFdlFo014327; Thu, 13 Jun 2024 15:39:47 GMT Received: from ppma11.dal12v.mail.ibm.com (db.9e.1632.ip4.static.sl-reverse.com [50.22.158.219]) by mx0a-001b2d01.pphosted.com (PPS) with ESMTPS id 3yr1rbgdeb-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 13 Jun 2024 15:39:47 +0000 (GMT) Received: from pps.filterd (ppma11.dal12v.mail.ibm.com [127.0.0.1]) by ppma11.dal12v.mail.ibm.com (8.17.1.19/8.17.1.19) with ESMTP id 45DELP7P008731; Thu, 13 Jun 2024 15:39:46 GMT Received: from smtprelay07.fra02v.mail.ibm.com ([9.218.2.229]) by ppma11.dal12v.mail.ibm.com (PPS) with ESMTPS id 3yn4b3rk0y-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 13 Jun 2024 15:39:46 +0000 Received: from smtpav07.fra02v.mail.ibm.com (smtpav07.fra02v.mail.ibm.com [10.20.54.106]) by smtprelay07.fra02v.mail.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 45DFdfJD49217960 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Thu, 13 Jun 2024 15:39:43 GMT Received: from smtpav07.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 30DB420065; Thu, 13 Jun 2024 15:39:41 +0000 (GMT) Received: from smtpav07.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id B299920043; Thu, 13 Jun 2024 15:39:40 +0000 (GMT) Received: from black.boeblingen.de.ibm.com (unknown [9.155.200.166]) by smtpav07.fra02v.mail.ibm.com (Postfix) with ESMTP; Thu, 13 Jun 2024 15:39:40 +0000 (GMT) From: Ilya Leoshkevich <iii@linux.ibm.com> To: Alexander Gordeev <agordeev@linux.ibm.com>, Alexander Potapenko <glider@google.com>, Andrew Morton <akpm@linux-foundation.org>, Christoph Lameter <cl@linux.com>, David Rientjes <rientjes@google.com>, Heiko Carstens <hca@linux.ibm.com>, Joonsoo Kim <iamjoonsoo.kim@lge.com>, Marco Elver <elver@google.com>, Masami Hiramatsu <mhiramat@kernel.org>, Pekka Enberg <penberg@kernel.org>, Steven Rostedt <rostedt@goodmis.org>, Vasily Gorbik <gor@linux.ibm.com>, Vlastimil Babka <vbabka@suse.cz> Cc: Christian Borntraeger <borntraeger@linux.ibm.com>, Dmitry Vyukov <dvyukov@google.com>, Hyeonggon Yoo <42.hyeyoo@gmail.com>, kasan-dev@googlegroups.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org, linux-s390@vger.kernel.org, linux-trace-kernel@vger.kernel.org, Mark Rutland <mark.rutland@arm.com>, Roman Gushchin <roman.gushchin@linux.dev>, Sven Schnelle <svens@linux.ibm.com>, Ilya Leoshkevich <iii@linux.ibm.com> Subject: [PATCH v4 15/35] mm: slub: Let KMSAN access metadata Date: Thu, 13 Jun 2024 17:34:17 +0200 Message-ID: <20240613153924.961511-16-iii@linux.ibm.com> X-Mailer: git-send-email 2.45.1 In-Reply-To: <20240613153924.961511-1-iii@linux.ibm.com> References: <20240613153924.961511-1-iii@linux.ibm.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-TM-AS-GCONF: 00 X-Proofpoint-ORIG-GUID: i6q6hWHhRl-wcxMBB5jGTOrB5o4Wtw90 X-Proofpoint-GUID: Hdll2VtH1-GxrpJV3pG_l093JfGpbX5F X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1039,Hydra:6.0.680,FMLib:17.12.28.16 definitions=2024-06-13_09,2024-06-13_02,2024-05-17_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 impostorscore=0 mlxscore=0 malwarescore=0 spamscore=0 clxscore=1015 bulkscore=0 suspectscore=0 adultscore=0 priorityscore=1501 lowpriorityscore=0 mlxlogscore=999 phishscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2405170001 definitions=main-2406130112 X-Rspamd-Queue-Id: 81015100020 X-Rspam-User: X-Rspamd-Server: rspam05 X-Stat-Signature: bkm3mptqge83trp9ebyocz5iftb9bkb7 X-HE-Tag: 1718293194-498929 X-HE-Meta: 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 gpoXB3LB 29CIEPSMdzTVacpiPKXAT7BUAZETi8f5IFnWFngb8yj+2b7VGHoCjf97MZW/4b3TcGiZxBlky3PZaRKYHsp6MJ30+D4K8pd2OkpQvK4hrPbwdO1/5s4sUUKIDyDGBZUAs9nYvtTF6HRGqSaSNtfbJOTa+drVElAN9r8+8w5vYPsP28QkMxo7FfCUoAAldlrEkGgJlo8fHYAAtLS47Th0SFFJZxEe+qYLCFeuSHOW6y2R/r7vLT24np7y+d4clh00x2epRpDC2kIi7WG0RdmRzAJD5OMaBmFWYm7qfRQpt7RFVYOWPT4UiW7HjneuHrC7X8Gv9FdAGZ2OvBKTTf5gqitUNEQ== X-Bogosity: Ham, tests=bogofilter, spamicity=0.000023, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: <linux-mm.kvack.org> List-Subscribe: <mailto:majordomo@kvack.org> List-Unsubscribe: <mailto:majordomo@kvack.org> |
Series |
kmsan: Enable on s390
|
expand
|
On Thu, Jun 13, 2024 at 5:39 PM Ilya Leoshkevich <iii@linux.ibm.com> wrote: > > Building the kernel with CONFIG_SLUB_DEBUG and CONFIG_KMSAN causes > KMSAN to complain about touching redzones in kfree(). > > Fix by extending the existing KASAN-related metadata_access_enable() > and metadata_access_disable() functions to KMSAN. > > Acked-by: Vlastimil Babka <vbabka@suse.cz> > Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com> Reviewed-by: Alexander Potapenko <glider@google.com>
diff --git a/mm/slub.c b/mm/slub.c index 4dd55cabe701..a290f6c63e7b 100644 --- a/mm/slub.c +++ b/mm/slub.c @@ -829,10 +829,12 @@ static int disable_higher_order_debug; static inline void metadata_access_enable(void) { kasan_disable_current(); + kmsan_disable_current(); } static inline void metadata_access_disable(void) { + kmsan_enable_current(); kasan_enable_current(); }