From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id A8F8119F40B for ; Sun, 28 Sep 2025 18:49:11 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1759085351; cv=none; b=qkmztvRVRCqdNbpcg546gTI1r+yhE1bAgSANddzX+Yoo3hnNo/BTfC8JuM61y1sdCry1PS2NLyiTKSci3MVe7dUw7u8S772tzrllDOFOhiOxG5Iw5RYoRL9tpl8CcaO4DfmKWUqumuoHIMJOnNeRYP9qauFWv8XrraZFxlOk6gM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1759085351; c=relaxed/simple; bh=B6LcgU9w7RU+VcLrK4nfgxtCQ/+eaEl3f5cNJ4JP8eU=; h=Date:To:From:Subject:Message-Id; b=ahWG8f01QuCkl6juWnZ5VeQsB5Ra4uMJrDyewklMwe6jyjFgLgUootlXEKe7dCcofGw0WU1A3n2fd2Kqdy94TKd/KcxLKtM8wzYTJmI/f/SV91LxqRrOT5Wws5PYcMCKlOCtL0N1O/6FdLUeN27bws6MChx0EKVEyAQJ3Gd9PcY= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux-foundation.org header.i=@linux-foundation.org header.b=qXVkjNp2; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux-foundation.org header.i=@linux-foundation.org header.b="qXVkjNp2" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 2C47DC4CEF0; Sun, 28 Sep 2025 18:49:11 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1759085351; bh=B6LcgU9w7RU+VcLrK4nfgxtCQ/+eaEl3f5cNJ4JP8eU=; h=Date:To:From:Subject:From; b=qXVkjNp28oeiqyHuqOWOrQDMdmqXnRW3+/CUKogQDqZ6r3O1ORYWxgmn4omzFnA0V f6a8TJnfe2WRPW3rcrex0Ys2UyFduXphrKuMvVcnVWYzxU4K4VC3JcmrmVDVxOBIj7 sUKAAecpqscKkPfMGREivRhpbAxZZmE9MhtGFaFo= Date: Sun, 28 Sep 2025 11:49:10 -0700 To: mm-commits@vger.kernel.org,ziy@nvidia.com,xu.xin16@zte.com.cn,sj@kernel.org,ryan.roberts@arm.com,npache@redhat.com,lorenzo.stoakes@oracle.com,liam.howlett@oracle.com,lance.yang@linux.dev,kirill@shutemov.name,dev.jain@arm.com,david@redhat.com,baolin.wang@linux.alibaba.com,baohua@kernel.org,richard.weiyang@gmail.com,akpm@linux-foundation.org From: Andrew Morton Subject: [folded-merged] mm-khugepaged-remove-definition-of-struct-khugepaged_mm_slot-fix.patch removed from -mm tree Message-Id: <20250928184911.2C47DC4CEF0@smtp.kernel.org> Precedence: bulk X-Mailing-List: mm-commits@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: The quilt patch titled Subject: mm-khugepaged-remove-definition-of-struct-khugepaged_mm_slot-fix has been removed from the -mm tree. Its filename was mm-khugepaged-remove-definition-of-struct-khugepaged_mm_slot-fix.patch This patch was dropped because it was folded into mm-khugepaged-remove-definition-of-struct-khugepaged_mm_slot.patch ------------------------------------------------------ From: Wei Yang Subject: mm-khugepaged-remove-definition-of-struct-khugepaged_mm_slot-fix Date: Mon, 22 Sep 2025 00:28:34 +0000 fix use-after-free crash Link: https://lkml.kernel.org/r/20250922002834.vz6ntj36e75ehkyp@master Signed-off-by: Wei Yang Debugged-by: Lance Yang Cc: Baolin Wang Cc: Barry Song Cc: David Hildenbrand Cc: Dev Jain Cc: "Kirill A. Shutemov" Cc: Liam Howlett Cc: Lorenzo Stoakes Cc: Mariano Pache Cc: Ryan Roberts Cc: SeongJae Park Cc: xu xin Cc: Zi Yan Signed-off-by: Andrew Morton --- mm/khugepaged.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) --- a/mm/khugepaged.c~mm-khugepaged-remove-definition-of-struct-khugepaged_mm_slot-fix +++ a/mm/khugepaged.c @@ -2508,8 +2508,7 @@ breakouterloop_mmap_lock: * mm_slot not pointing to the exiting mm. */ if (!list_is_last(&slot->mm_node, &khugepaged_scan.mm_head)) { - slot = list_next_entry(slot, mm_node); - khugepaged_scan.mm_slot = slot; + khugepaged_scan.mm_slot = list_next_entry(slot, mm_node); khugepaged_scan.address = 0; } else { khugepaged_scan.mm_slot = NULL; _ Patches currently in -mm which might be from richard.weiyang@gmail.com are mm-compaction-fix-low_pfn-advance-on-isolating-hugetlb.patch mm-ksm-get-mm_slot-by-mm_slot_entry-when-slot-is-null.patch mm-khugepaged-remove-definition-of-struct-khugepaged_mm_slot.patch mm-khugepaged-use-start_addr-addr-for-better-reading.patch