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 0AD63CDB47E for ; Wed, 18 Oct 2023 22:05:58 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 804108D016F; Wed, 18 Oct 2023 18:05:58 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 7B3908D0016; Wed, 18 Oct 2023 18:05:58 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 6A2738D016F; Wed, 18 Oct 2023 18:05:58 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0011.hostedemail.com [216.40.44.11]) by kanga.kvack.org (Postfix) with ESMTP id 594E28D0016 for ; Wed, 18 Oct 2023 18:05:58 -0400 (EDT) Received: from smtpin06.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay04.hostedemail.com (Postfix) with ESMTP id 2B54B1A05B3 for ; Wed, 18 Oct 2023 22:05:57 +0000 (UTC) X-FDA: 81359965554.06.407659F Received: from mail-oa1-f78.google.com (mail-oa1-f78.google.com [209.85.160.78]) by imf06.hostedemail.com (Postfix) with ESMTP id 7814518001A for ; Wed, 18 Oct 2023 22:05:55 +0000 (UTC) Authentication-Results: imf06.hostedemail.com; dkim=none; spf=pass (imf06.hostedemail.com: domain of 3wlYwZQkbAGERXYJ9KKDQ9OOHC.FNNFKDTRDQBNMSDMS.BNL@M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com designates 209.85.160.78 as permitted sender) smtp.mailfrom=3wlYwZQkbAGERXYJ9KKDQ9OOHC.FNNFKDTRDQBNMSDMS.BNL@M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com; dmarc=fail reason="SPF not aligned (relaxed), No valid DKIM" header.from=appspotmail.com (policy=none) ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1697666755; 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=xTQJcyaeM6LRzyyDdrRyZA+dLcCMc9wKY0k4oIJ2DsE=; b=7uoyLtvi2m2ZNEJ0RAxqX94tuIdf/OGYf0R9HrPijVOtFuEuYx2hP3tMhj+LXclnnvnN5h DpvCHt6WBRFK3NG3Uw5rYUF4XIU3e+NQ/QkdKJxjJiN+hCO0tqC3BHtHD0EAdYu1ICQk1l 19w1B0ddrKniCzc+0cOQL3Dw7YGvskM= ARC-Authentication-Results: i=1; imf06.hostedemail.com; dkim=none; spf=pass (imf06.hostedemail.com: domain of 3wlYwZQkbAGERXYJ9KKDQ9OOHC.FNNFKDTRDQBNMSDMS.BNL@M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com designates 209.85.160.78 as permitted sender) smtp.mailfrom=3wlYwZQkbAGERXYJ9KKDQ9OOHC.FNNFKDTRDQBNMSDMS.BNL@M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com; dmarc=fail reason="SPF not aligned (relaxed), No valid DKIM" header.from=appspotmail.com (policy=none) ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1697666755; a=rsa-sha256; cv=none; b=I7WBdsomwM/pY6WwwtnMW13mRkW+KEigORIQbnOsa9omKx+nG7/A+h9Jpyz0zXbXhYrnM+ iV4KXOJKJHFgAbfRnKKr3wlaS1cL2xQBafsQUWVrFWoBrMIs/rPilLWvGY0E9l8H4kG7Wn BBazmNl3/QaqKSteavrsJVZBlS4mA7Q= Received: by mail-oa1-f78.google.com with SMTP id 586e51a60fabf-1e98eca4206so189185fac.0 for ; Wed, 18 Oct 2023 15:05:55 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1697666754; x=1698271554; h=to:from:subject:message-id:date:mime-version:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=xTQJcyaeM6LRzyyDdrRyZA+dLcCMc9wKY0k4oIJ2DsE=; b=auzAPQGxElmpUtjn+IDMeSXTqtyBikNekOsRzS97/DKC+A8A6aQOgtZMwL4vLBQ32a btJfklYpMTad9EndWz+AMwIosUGxfHEkxXY/F+byCHsZmuhXM2084k180t75Kn4kgQb2 z0JPHKzC++RYQlAdPB1JsCkP/8xTGzgCt8U3Nu42ikgmB9O5xvvcdEZUAoqTAN+Xwz0o 2Ph2xZ7YI8ooXKGvU8pVrr6icKDUrYimLGnG3rVMHvsOgByj/Qg2xVFTYJfG/sWwa+Cs f1DumaGlR4cLytGAi8GWMiGoPfUWY4hG9C6t5vq8YX4gw3bOLN+yt+ANnTF+zb1WftVJ 2kjQ== X-Gm-Message-State: AOJu0YzUAwpawr4K5vZp+iWYQjaM7NVjv+gtFol4ViCuJuNJfE5gNHDu XE0jaOHqJmRowbaRidxNVsZkVpOmlej9MHS6dL7sm8IYwNLj X-Google-Smtp-Source: AGHT+IGCIvbWExqsv18olfM9C9/3MHgyJV7VBMPHO5ozj+KhzGCTfPzXnKk8MPkXvNLWBCDtzPtmhc8u7QeCMOECxk3D1uF+bjhA MIME-Version: 1.0 X-Received: by 2002:a05:6870:4589:b0:1e9:6d19:935b with SMTP id y9-20020a056870458900b001e96d19935bmr42439oao.5.1697666754574; Wed, 18 Oct 2023 15:05:54 -0700 (PDT) Date: Wed, 18 Oct 2023 15:05:54 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000da806a060804d749@google.com> Subject: [syzbot] [cgroups?] [mm?] WARNING in mem_cgroup_migrate (2) 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, shakeelb@google.com, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" X-Rspamd-Queue-Id: 7814518001A X-Rspam-User: X-Stat-Signature: t45ug3fygw98g8836oicfthnc7nuzqx1 X-Rspamd-Server: rspam01 X-HE-Tag: 1697666755-336637 X-HE-Meta: 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 82NhUCBn 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 pp8ZMFSI KRxEb606H/ZDqBuil1xiZazUx9aRvoXqF0HtLXJQcHcS3HReKHWr0aTOoXvodCTuewj+biQvb6NwWdm622rMbpT2IsFuqiMb3vavHO9uA8jlPFYjkFQdSQ/oG3xl39PLWxCFgKJplPdvxtg2uEf3J756lAn+AW90Bw7T9e34sDGUb47giPyX/Tik8j4rE1YjpkwpwwsZQQRjGd0M2lvz7yD9k4xPAAYni4Pyk3e1M6OsQvAVeUVk4ikwRUwN5ObeVMIJviCrEEmQmn4aN52UnqSChMHziHGYERx7iUDyEh3GUpIKq8B2EzRXPEDjzLqaa0RDXu03UJGqolIZ0sw47Jd72kOmQgCalOO15xhKPeA= 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: Hello, syzbot found the following issue on: HEAD commit: 7d730f1bf6f3 Add linux-next specific files for 20231005 git tree: linux-next console output: https://syzkaller.appspot.com/x/log.txt?x=14dc4ee5680000 kernel config: https://syzkaller.appspot.com/x/.config?x=f532286be4fff4b5 dashboard link: https://syzkaller.appspot.com/bug?extid=038716e59282db4b4608 compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 Unfortunately, I don't have any reproducer for this issue yet. Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/1d7f28a4398f/disk-7d730f1b.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/d454d124268e/vmlinux-7d730f1b.xz kernel image: https://storage.googleapis.com/syzbot-assets/dbca966175cb/bzImage-7d730f1b.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+038716e59282db4b4608@syzkaller.appspotmail.com __kernel_write fs/read_write.c:537 [inline] kernel_write fs/read_write.c:558 [inline] kernel_write+0x1f8/0x6c0 fs/read_write.c:548 process_sysctl_arg+0x22c/0x5f0 fs/proc/proc_sysctl.c:1668 parse_one kernel/params.c:154 [inline] parse_args+0x587/0x8b0 kernel/params.c:189 do_sysctl_args+0xc8/0x150 fs/proc/proc_sysctl.c:1700 kernel_init+0x75/0x2a0 init/main.c:1460 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147 page_owner free stack trace missing ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5210 at mm/memcontrol.c:7552 mem_cgroup_migrate+0x2fa/0x390 mm/memcontrol.c:7552 Modules linked in: CPU: 0 PID: 5210 Comm: syz-executor.0 Not tainted 6.6.0-rc4-next-20231005-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023 RIP: 0010:mem_cgroup_migrate+0x2fa/0x390 mm/memcontrol.c:7552 Code: f7 ff e9 36 ff ff ff 80 3d 84 b2 d1 0c 00 0f 85 54 ff ff ff 48 c7 c6 a0 9e 9b 8a 48 89 ef e8 0d 5c df ff c6 05 68 b2 d1 0c 01 <0f> 0b e9 37 ff ff ff 48 c7 c6 e0 9a 9b 8a 48 89 df e8 f0 5b df ff RSP: 0018:ffffc9000497fa18 EFLAGS: 00010246 RAX: 0000000000040000 RBX: ffffea0005338000 RCX: ffffc90004f11000 RDX: 0000000000040000 RSI: ffffffff81e76463 RDI: ffffffff8ae96da0 RBP: ffffea00004a8000 R08: 0000000000000000 R09: fffffbfff1d9db9a R10: ffffffff8ecedcd7 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000200 R14: 0000000000000000 R15: ffffea00004a8018 FS: 00007f2fd9cb96c0(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f8bc6f77978 CR3: 00000000206cc000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: hugetlbfs_migrate_folio fs/hugetlbfs/inode.c:1066 [inline] hugetlbfs_migrate_folio+0xd0/0x120 fs/hugetlbfs/inode.c:1049 move_to_new_folio+0x183/0x690 mm/migrate.c:966 unmap_and_move_huge_page mm/migrate.c:1428 [inline] migrate_hugetlbs mm/migrate.c:1546 [inline] migrate_pages+0x16ac/0x27c0 mm/migrate.c:1900 do_move_pages_to_node mm/migrate.c:2039 [inline] move_pages_and_store_status+0xf4/0x230 mm/migrate.c:2129 do_pages_move mm/migrate.c:2244 [inline] kernel_move_pages+0xc47/0x18e0 mm/migrate.c:2424 __do_sys_move_pages mm/migrate.c:2438 [inline] __se_sys_move_pages mm/migrate.c:2433 [inline] __x64_sys_move_pages+0xe0/0x1b0 mm/migrate.c:2433 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:81 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f2fd8e7cae9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f2fd9cb90c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000117 RAX: ffffffffffffffda RBX: 00007f2fd8f9bf80 RCX: 00007f2fd8e7cae9 RDX: 0000000020000040 RSI: 0000000000000001 RDI: 0000000000000000 RBP: 00007f2fd8ec847a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000020000080 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007f2fd8f9bf80 R15: 00007fffc11f8338 --- 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 bug is already fixed, let syzbot know by replying with: #syz fix: exact-commit-title If you want to overwrite bug's subsystems, reply with: #syz set subsystems: new-subsystem (See the list of subsystem names on the web dashboard) If the bug is a duplicate of another bug, reply with: #syz dup: exact-subject-of-another-report If you want to undo deduplication, reply with: #syz undup