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 Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9BB2FC3ABBE for ; Thu, 8 May 2025 14:15:55 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 2EF6E6B0085; Thu, 8 May 2025 10:15:54 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 29E4D6B0089; Thu, 8 May 2025 10:15:54 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 197F16B0085; Thu, 8 May 2025 10:15:54 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0013.hostedemail.com [216.40.44.13]) by kanga.kvack.org (Postfix) with ESMTP id ED7E06B0085 for ; Thu, 8 May 2025 10:15:53 -0400 (EDT) Received: from smtpin20.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay10.hostedemail.com (Postfix) with ESMTP id 81B38C0610 for ; Thu, 8 May 2025 14:15:54 +0000 (UTC) X-FDA: 83419939428.20.792F870 Received: from mx0b-001b2d01.pphosted.com (mx0b-001b2d01.pphosted.com [148.163.158.5]) by imf18.hostedemail.com (Postfix) with ESMTP id 2F3F21C0002 for ; Thu, 8 May 2025 14:15:52 +0000 (UTC) Authentication-Results: imf18.hostedemail.com; dkim=pass header.d=ibm.com header.s=pp1 header.b=KCTxDK7Y; spf=pass (imf18.hostedemail.com: domain of agordeev@linux.ibm.com designates 148.163.158.5 as permitted sender) smtp.mailfrom=agordeev@linux.ibm.com; dmarc=pass (policy=none) header.from=ibm.com ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1746713752; 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:references:dkim-signature; bh=f+m+xTEPHEMKdR3eEwuuaViB2V+AZubNzaEp9oZeZwc=; b=7NN7zON1YIW8QWm2AZEsy4S6Kt+Mz7Iw/vfWIiz1v1igQmmh9hBdrNmxn9GjV3cYBAZCBk gL/4X6TZqqT0jgswQ/fjsIN/sqb6My4y2ES+uo7Ze16ELx2Bh1/9gZ1zajKVpkt2veJ2Ma L2L30DlJHbZU4Vg5QJ5PyvKbGxiif5U= ARC-Authentication-Results: i=1; imf18.hostedemail.com; dkim=pass header.d=ibm.com header.s=pp1 header.b=KCTxDK7Y; spf=pass (imf18.hostedemail.com: domain of agordeev@linux.ibm.com designates 148.163.158.5 as permitted sender) smtp.mailfrom=agordeev@linux.ibm.com; dmarc=pass (policy=none) header.from=ibm.com ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1746713752; a=rsa-sha256; cv=none; b=z+ZyvXd6NWyxXsUEAQ+0CqFvgwU8kRfA/aBBZ2nvaCbPViAhUXiGOsKCUZOHqmmG8BZpKu Wo/RDtUUq4w/XOn+WG9E/wOOgD+zvvon2oBZrstQQi5Rr/kP1WvP5wZRLcDrtrpwzf25NC p8v+8BQiweEfFXG1f/heDvcUYFplVwc= Received: from pps.filterd (m0353725.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.18.1.2/8.18.1.2) with ESMTP id 548C0mJj008209; Thu, 8 May 2025 14:15:50 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ibm.com; h=cc :content-transfer-encoding:date:from:message-id:mime-version :subject:to; s=pp1; bh=f+m+xTEPHEMKdR3eEwuuaViB2V+AZubNzaEp9oZeZ wc=; b=KCTxDK7YBYMdup7/DgPxO2rjYr7IF2JE3q0pxUgU4PPLPTgVu5kT1BJVU dA/eDM7E2rorFyXAAXrW0eDXDMwCqjorAjIQ+yI0rlfYAGGoDXU//hSfCcCtD5Me pxkOMXAOGON9lwh1pPqF2mHsKQMjXf7f8vzxunAfRRYmqo3VJ5pCVsqF7xvPkGP2 TNo6k+J+IAxKWsLXn6cf5u0m44RAHvfM1Un9E7MmkKtz2DElgEA31pcj9iWuEjmP nzfWKJI2Cg3XiCDbATG4Y/+NM1PenzhAxYFc6kUVXYpXly3e0h+ub+nbxgBDhzT+ Kk2HVnyjxL9wSlfySi/4UrHZXuiPw== Received: from pps.reinject (localhost [127.0.0.1]) by mx0a-001b2d01.pphosted.com (PPS) with ESMTPS id 46ghg2bfkk-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 08 May 2025 14:15:49 +0000 (GMT) Received: from m0353725.ppops.net (m0353725.ppops.net [127.0.0.1]) by pps.reinject (8.18.0.8/8.18.0.8) with ESMTP id 548E9AAY009667; Thu, 8 May 2025 14:15:49 GMT Received: from ppma21.wdc07v.mail.ibm.com (5b.69.3da9.ip4.static.sl-reverse.com [169.61.105.91]) by mx0a-001b2d01.pphosted.com (PPS) with ESMTPS id 46ghg2bfkf-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 08 May 2025 14:15:49 +0000 (GMT) Received: from pps.filterd (ppma21.wdc07v.mail.ibm.com [127.0.0.1]) by ppma21.wdc07v.mail.ibm.com (8.18.1.2/8.18.1.2) with ESMTP id 548Dux4V002826; Thu, 8 May 2025 14:15:48 GMT Received: from smtprelay07.fra02v.mail.ibm.com ([9.218.2.229]) by ppma21.wdc07v.mail.ibm.com (PPS) with ESMTPS id 46dxfp64hj-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 08 May 2025 14:15:48 +0000 Received: from smtpav05.fra02v.mail.ibm.com (smtpav05.fra02v.mail.ibm.com [10.20.54.104]) by smtprelay07.fra02v.mail.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 548EFk6D51380482 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Thu, 8 May 2025 14:15:46 GMT Received: from smtpav05.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id A4EBB2004B; Thu, 8 May 2025 14:15:46 +0000 (GMT) Received: from smtpav05.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 91C8320043; Thu, 8 May 2025 14:15:46 +0000 (GMT) Received: from tuxmaker.boeblingen.de.ibm.com (unknown [9.152.85.9]) by smtpav05.fra02v.mail.ibm.com (Postfix) with ESMTPS; Thu, 8 May 2025 14:15:46 +0000 (GMT) Received: by tuxmaker.boeblingen.de.ibm.com (Postfix, from userid 55669) id 3C41DE05EF; Thu, 08 May 2025 16:15:46 +0200 (CEST) From: Alexander Gordeev To: Andrew Morton , Andrey Ryabinin , Daniel Axtens Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org, kasan-dev@googlegroups.com, linux-s390@vger.kernel.org, stable@vger.kernel.org Subject: [PATCH v6 0/1] kasan: Avoid sleepable page allocation from atomic context Date: Thu, 8 May 2025 16:15:45 +0200 Message-ID: X-Mailer: git-send-email 2.45.2 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-TM-AS-GCONF: 00 X-Proofpoint-GUID: AKtVaM5uVmYE74Iy9WuCxbmTNkixOYKg X-Authority-Analysis: v=2.4 cv=VJLdn8PX c=1 sm=1 tr=0 ts=681cbc95 cx=c_pps a=GFwsV6G8L6GxiO2Y/PsHdQ==:117 a=GFwsV6G8L6GxiO2Y/PsHdQ==:17 a=dt9VzEwgFbYA:10 a=c7xF9FPc4WhyVLjLziMA:9 a=zZCYzV9kfG8A:10 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUwNTA4MDEyMCBTYWx0ZWRfX9evs2pW/vmvI uaQ9MXcNNnG2WrBEb/SSaxVUazPyJ/p7AwWxdoy3r7C0qY5G1W9mNyZvHZ/2+16PzTw37K//HUL zutS8z1JcDbiKXsTOs7Az7YeVzta+i1EnxTq8wWyxHn9OsGG/I+NLv6KckZXDhsXX2H7YbgkIuT 5918/oA6NCLqzyHc4/2KK+mfT/NizNO68J8Bvza61/U5gHBS1/+WYlTryMGeU5xYzA82hvwW0vV Tsm/hhGOcwaAoVyC2LxfQwzirkBo+/kHOGri10XMD0l3kYZFnGHoAro37wu/tDKSMXdYx+uWhO3 XpA+s48NO/qIBXjA3u/s2MPyxBrZkWktG4fAeE/2ipJcinuSilGhpbF1u439yuV1+sbY9wb6Fdu kEKyN2DpLAn7xPMQdiZKFY2jsRZzWaaW7+FdP0pEDMdqsEC2Rj8lxP57EnsdQIIhuba4Nbh2 X-Proofpoint-ORIG-GUID: PNKKMLgrIrAIgjC9ptEXSfm69CYYsH-h X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1099,Hydra:6.0.736,FMLib:17.12.80.40 definitions=2025-05-08_05,2025-05-07_02,2025-02-21_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 phishscore=0 suspectscore=0 mlxlogscore=608 malwarescore=0 lowpriorityscore=0 spamscore=0 adultscore=0 priorityscore=1501 clxscore=1015 bulkscore=0 impostorscore=0 mlxscore=0 classifier=spam authscore=0 authtc=n/a authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.19.0-2504070000 definitions=main-2505080120 X-Rspam-User: X-Rspamd-Server: rspam09 X-Rspamd-Queue-Id: 2F3F21C0002 X-Stat-Signature: 9j78q54js9xzpe55ziwux7q55tibw4uz X-HE-Tag: 1746713751-579110 X-HE-Meta: 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 ADcvXQqD n8zf7vbc+te8Td2SWkkMPnRShJe73vCQvHCMI7yURyPoYf6IsXjpifstErugvGYZMTlBAeM7WTMg9KPhfV9y5KQAdguZTVGRVzUoUXl8MK5nLNVIaaNFR7JKzLBoztSg3sSpp+rx2zFV7qFm1JRVQ4goqvRR7dxQvwWKvYT8MdaLFnfJFx4LoWwDtWtTn+tL9VcOFu9oQZdkwZkCixB+6iiz9zkX/UAGGe6KwPkgkvPFAnZCHQ6/lFRlHQ/4pNV22axI2h60nJE+npIs8DbYHaguDiw== 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: List-Subscribe: List-Unsubscribe: Hi All, Chages since v5: - full error message included into commit description Chages since v4: - unused pages leak is avoided Chages since v3: - pfn_to_virt() changed to page_to_virt() due to compile error Chages since v2: - page allocation moved out of the atomic context Chages since v1: - Fixes: and -stable tags added to the patch description Thanks! Alexander Gordeev (1): kasan: Avoid sleepable page allocation from atomic context mm/kasan/shadow.c | 77 ++++++++++++++++++++++++++++++++++++++--------- 1 file changed, 63 insertions(+), 14 deletions(-) -- 2.45.2