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 87239C7115A for ; Thu, 19 Jun 2025 12:02:35 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 274F76B00A7; Thu, 19 Jun 2025 08:02:35 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 24CF76B00A8; Thu, 19 Jun 2025 08:02:35 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 189686B00A9; Thu, 19 Jun 2025 08:02:35 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0015.hostedemail.com [216.40.44.15]) by kanga.kvack.org (Postfix) with ESMTP id 054CA6B00A7 for ; Thu, 19 Jun 2025 08:02:35 -0400 (EDT) Received: from smtpin15.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay03.hostedemail.com (Postfix) with ESMTP id A16DBBE559 for ; Thu, 19 Jun 2025 12:02:34 +0000 (UTC) X-FDA: 83572013028.15.927DD00 Received: from mail-il1-f207.google.com (mail-il1-f207.google.com [209.85.166.207]) by imf02.hostedemail.com (Postfix) with ESMTP id E60ED80012 for ; Thu, 19 Jun 2025 12:02:32 +0000 (UTC) Authentication-Results: imf02.hostedemail.com; dkim=none; dmarc=fail reason="SPF not aligned (relaxed), No valid DKIM" header.from=appspotmail.com (policy=none); spf=pass (imf02.hostedemail.com: domain of 3V_xTaAkbAOgcijUKVVObKZZSN.QYYQVOecObMYXdOXd.MYW@M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com designates 209.85.166.207 as permitted sender) smtp.mailfrom=3V_xTaAkbAOgcijUKVVObKZZSN.QYYQVOecObMYXdOXd.MYW@M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1750334553; a=rsa-sha256; cv=none; b=u8wRsGzuJ4XH1P+xVDgX/ZB3kSQZG55ZcdNNjaTXMsfUV9eMxCjiw2gID4SMH+ZXGSySjQ knbdxxV2LmFgtKo6DJUm/dOjbZwDjk1h+SrzWt1Wen4vAc4FZgobIC5Ogoz2+uPhs9eNye 2Qe5gosBeD+hjltmRCeANJChUx8vn8M= ARC-Authentication-Results: i=1; imf02.hostedemail.com; dkim=none; dmarc=fail reason="SPF not aligned (relaxed), No valid DKIM" header.from=appspotmail.com (policy=none); spf=pass (imf02.hostedemail.com: domain of 3V_xTaAkbAOgcijUKVVObKZZSN.QYYQVOecObMYXdOXd.MYW@M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com designates 209.85.166.207 as permitted sender) smtp.mailfrom=3V_xTaAkbAOgcijUKVVObKZZSN.QYYQVOecObMYXdOXd.MYW@M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1750334553; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:mime-version:mime-version: content-type:content-type:content-transfer-encoding:in-reply-to: references; bh=7y5j2JBAlW/36clXSZNKqoUukF2n112h8sNTaQ5TG7E=; b=bhvmOez57ZwCzaNFN5MJqovpg/fkdaKV3jN1WRmQ6yuIcOf07NRACepUPpxRb4GvAexFnj DVW28YojhiIxT6316LE3IQmEy41Bc89XtjEY/0Yg1APSmaiJndk7DGyJZaehZ9jplqyH0H A71kYI3KJcmnZofk8Bh0n3ihhkB/V8A= Received: by mail-il1-f207.google.com with SMTP id e9e14a558f8ab-3ddc9ee4794so10381605ab.0 for ; Thu, 19 Jun 2025 05:02:32 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1750334552; x=1750939352; h=to:from:subject:message-id:date:mime-version:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=7y5j2JBAlW/36clXSZNKqoUukF2n112h8sNTaQ5TG7E=; b=Wtm/KWKWStFuq74/o8ld9jF/G9QB3NHEVeHI3Xflgv1+rvCPxw6FNqpohAEumfj9l8 YZQshGFBQz9h3fmtB0qtgo0AZpnoRkvxRUUMp+924z1ymGpJOgzQFeJzcBKD5uML38/e 9ajCTgeTszQEESZS75U70l0nZm0IqHWqbgeLtG448a86WIhH4iBi//PViKjhdE7HRxTM MqQ9R9MsjUCGmeLm0kxCDzQXYDPB+BLagv8weIQaG7CjWGS5pSsOOF8lRmflZQLuho+c Gx1hPZpldtzW5W2ioNtNi3DzlE1iUmByhT5+Y50+2IaVNIN1VQVpgEyyQ9idAMqAIh0X 2OGg== X-Forwarded-Encrypted: i=1; AJvYcCUeYk6ECaZkJW8QvFAOVRgGcyvUe9ufO/A9QI+mWiJcxkplvG5EpqSPUbxQyBDiwNnzttAYcAiA7A==@kvack.org X-Gm-Message-State: AOJu0YyC5DLsBPg9j0eM8GdwV0CXR6xDGcYZ6ZyxZ33wQ3mzCmf06ZCL 6t/R9PusMXeBIryqLU8DIurjSiZfmF1OEavcfGWtvB6pWiE80GiLm7N2i3WJ9L5avZNaarFg0GY JH1sOSlZrvbTs3iAfPqAITlmT4tsdD6nQz5lzfl49/S9Tajyt76Z4PTHr6gk= X-Google-Smtp-Source: AGHT+IGSqDCI6Q2927k9VKmm8G21vKiI1k9bL2sKeMEI0T3+Q+VZYcl5TxH7DPSpl8qNfvFEuXpZsGwC4UMFhj3ojY4Nq9Kfc0ZY MIME-Version: 1.0 X-Received: by 2002:a05:6e02:2482:b0:3dc:79e5:e6a8 with SMTP id e9e14a558f8ab-3de07ccd64amr273170815ab.15.1750334551928; Thu, 19 Jun 2025 05:02:31 -0700 (PDT) Date: Thu, 19 Jun 2025 05:02:31 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <6853fc57.a00a0220.137b3.0009.GAE@google.com> Subject: [syzbot] [cgroups?] [mm?] WARNING in folio_lruvec_lock From: syzbot To: akpm@linux-foundation.org, cgroups@vger.kernel.org, hannes@cmpxchg.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, mhocko@kernel.org, muchun.song@linux.dev, roman.gushchin@linux.dev, shakeel.butt@linux.dev, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" X-Rspamd-Server: rspam08 X-Rspamd-Queue-Id: E60ED80012 X-Stat-Signature: y1ef3k9fxkh4fgpiup7of5rbshqwz7cf X-Rspam-User: X-HE-Tag: 1750334552-170892 X-HE-Meta: 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 tfW7Hgwd 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 HcGK+hjY ++71ABk32tUESCFwD8LecvNgFi2gHLn2vJHOUdp8/FMD7dVi2YUIZZNWhUX0iBukfrCRhZkomiyCTiIbQE5E2NSg9UmMp9LSdLvq54CDHjAtjW0kXDStXOegT7CpDxjtA0dQmpudS1D5g7M63vrk6weEYqUd9tyKnyKkHQ6lQ4QBsRoiW+g7LtyZrbZJ9dN1LoCtXWfgd6WThvB3bkJFSQlvql3qB26ajX0BqFoIXuQEu5I8sPvQwsBjsTCU/vwDvUexlZYCSZFE3sAhk+4FKgiBXVAP/CRRtLZEq7wUxHa50R/s5RtbOI1bsuYPdtnkhZ4kiC/dIIabtg6x+ea8Q4l9nGXI0zpBBweCv1TViPtGubwA17yDIXm+rYt5SKFJOrjmBsC3wBqat0vKhYgQxBQfwpTq5KDgGbL5m+csZnPGH6BPOXo/Qjj2ixEdlaKf 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: Hello, syzbot found the following issue on: HEAD commit: bc6e0ba6c9ba Add linux-next specific files for 20250613 git tree: linux-next console output: https://syzkaller.appspot.com/x/log.txt?x=1126090c580000 kernel config: https://syzkaller.appspot.com/x/.config?x=2f7a2e4d17ed458f dashboard link: https://syzkaller.appspot.com/bug?extid=a74a028d848147bc5931 compiler: Debian clang version 20.1.6 (++20250514063057+1e4d39e07757-1~exp1~20250514183223.118), Debian LLD 20.1.6 Unfortunately, I don't have any reproducer for this issue yet. Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/2430bb0465cc/disk-bc6e0ba6.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/436a39deef0a/vmlinux-bc6e0ba6.xz kernel image: https://storage.googleapis.com/syzbot-assets/e314ca5b1eb3/bzImage-bc6e0ba6.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+a74a028d848147bc5931@syzkaller.appspotmail.com handle_mm_fault+0x740/0x8e0 mm/memory.c:6397 faultin_page mm/gup.c:1186 [inline] __get_user_pages+0x1aef/0x30b0 mm/gup.c:1488 populate_vma_page_range+0x29f/0x3a0 mm/gup.c:1922 __mm_populate+0x24c/0x380 mm/gup.c:2025 mm_populate include/linux/mm.h:3354 [inline] vm_mmap_pgoff+0x3f0/0x4c0 mm/util.c:584 ksys_mmap_pgoff+0x587/0x760 mm/mmap.c:607 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f page_owner free stack trace missing ------------[ cut here ]------------ WARNING: CPU: 0 PID: 38 at ./include/linux/memcontrol.h:732 folio_lruvec include/linux/memcontrol.h:732 [inline] WARNING: CPU: 0 PID: 38 at ./include/linux/memcontrol.h:732 folio_lruvec_lock+0x150/0x1a0 mm/memcontrol.c:1211 Modules linked in: CPU: 0 UID: 0 PID: 38 Comm: ksmd Not tainted 6.16.0-rc1-next-20250613-syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 RIP: 0010:folio_lruvec include/linux/memcontrol.h:732 [inline] RIP: 0010:folio_lruvec_lock+0x150/0x1a0 mm/memcontrol.c:1211 Code: 7c 25 00 00 74 08 4c 89 ff e8 7c 66 f8 ff 4d 89 2f eb c4 48 89 df 48 c7 c6 60 4f 98 8b e8 58 9b dc ff c6 05 01 85 5f 0d 01 90 <0f> 0b 90 e9 d5 fe ff ff 44 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c 4d RSP: 0018:ffffc90000ae7660 EFLAGS: 00010046 RAX: b21d845e3554e000 RBX: ffffea0002108000 RCX: b21d845e3554e000 RDX: 0000000000000002 RSI: ffffffff8db792e4 RDI: ffff88801de83c00 RBP: ffffea0002108000 R08: 0000000000000003 R09: 0000000000000004 R10: dffffc0000000000 R11: fffffbfff1bfaa14 R12: ffffea0002108000 R13: ffffea0002108008 R14: 0000000000000000 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff888125c41000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f475c15ef98 CR3: 000000005f95a000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __split_unmapped_folio+0x42e/0x2cb0 mm/huge_memory.c:3487 __folio_split+0xf78/0x1300 mm/huge_memory.c:3891 cmp_and_merge_page mm/ksm.c:2358 [inline] ksm_do_scan+0x499b/0x6530 mm/ksm.c:2665 ksm_scan_thread+0x10b/0x4b0 mm/ksm.c:2687 kthread+0x711/0x8a0 kernel/kthread.c:464 ret_from_fork+0x3f9/0x770 arch/x86/kernel/process.c:148 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 --- This report is generated by a bot. It may contain errors. See https://goo.gl/tpsmEJ for more information about syzbot. syzbot engineers can be reached at syzkaller@googlegroups.com. syzbot will keep track of this issue. See: https://goo.gl/tpsmEJ#status for how to communicate with syzbot. If the report is already addressed, let syzbot know by replying with: #syz fix: exact-commit-title If you want to overwrite report's subsystems, reply with: #syz set subsystems: new-subsystem (See the list of subsystem names on the web dashboard) If the report is a duplicate of another one, reply with: #syz dup: exact-subject-of-another-report If you want to undo deduplication, reply with: #syz undup