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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 Precedence: bulk X-Mailing-List: linux-s390@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: 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 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