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 3669CC8303C for ; Tue, 8 Jul 2025 17:51:31 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 90C8F6B0096; Tue, 8 Jul 2025 13:51:30 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 8BCF16B0098; Tue, 8 Jul 2025 13:51:30 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 7AC2D6B009A; Tue, 8 Jul 2025 13:51:30 -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 660336B0096 for ; Tue, 8 Jul 2025 13:51:30 -0400 (EDT) Received: from smtpin28.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay02.hostedemail.com (Postfix) with ESMTP id E29DD127AFC for ; Tue, 8 Jul 2025 17:51:29 +0000 (UTC) X-FDA: 83641839498.28.DF6CF21 Received: from mail-il1-f208.google.com (mail-il1-f208.google.com [209.85.166.208]) by imf20.hostedemail.com (Postfix) with ESMTP id 4B1161C0018 for ; Tue, 8 Jul 2025 17:51:28 +0000 (UTC) Authentication-Results: imf20.hostedemail.com; dkim=none; spf=pass (imf20.hostedemail.com: domain of 3n1ptaAkbAFQEKL6w770DwBB4z.2AA270GE0DyA9F09F.yA8@M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com designates 209.85.166.208 as permitted sender) smtp.mailfrom=3n1ptaAkbAFQEKL6w770DwBB4z.2AA270GE0DyA9F09F.yA8@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=1751997088; a=rsa-sha256; cv=none; b=CwrSTdH2M5GGTBg17enNM3O60l3AXvmDo2iqmpznfgpnoN5r/wm/sU7giDSA9x+iuohEHB u6X8draQiU8x8PazJ21Io3qVroUNFpOxXsmNUVR6uOTbTDfpGmA5VoMTkGQcZKoeDU7AHu wet5XK2M+kw6JZ/CbzUSHRsWVweAKbk= ARC-Authentication-Results: i=1; imf20.hostedemail.com; dkim=none; spf=pass (imf20.hostedemail.com: domain of 3n1ptaAkbAFQEKL6w770DwBB4z.2AA270GE0DyA9F09F.yA8@M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com designates 209.85.166.208 as permitted sender) smtp.mailfrom=3n1ptaAkbAFQEKL6w770DwBB4z.2AA270GE0DyA9F09F.yA8@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=1751997088; 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=TJemdCw5jND5Annd3/nq9OT4Nf4Nr8oL4Q80bImD8XA=; b=M7GM5RfWpBz75vmVf3391tNMhzjjiPYageHE+jmRppzHGmMJB7CGcmH6V4dCT20gZwlu+n kvDQvtci8z1o04gUIjGbX0UmrqW4Dj/BmyM48mFudrnufnwqL8mbmQgWHu3RhZPhdCR8i0 KR6vzPX4weS391RrGHp0AnrgK5rw8B8= Received: by mail-il1-f208.google.com with SMTP id e9e14a558f8ab-3ddc5137992so45203065ab.2 for ; Tue, 08 Jul 2025 10:51:28 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1751997087; x=1752601887; h=to:from:subject:message-id:date:mime-version:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=TJemdCw5jND5Annd3/nq9OT4Nf4Nr8oL4Q80bImD8XA=; b=VkU+Osh8wnvmYr1yeq81lM6KVkV/5cHcs92sTVjZNSphLohWSA36Z5eITPVqjj+OWm n3PLtS73MifdGtlWoAsUZSqsmM1LywKawiVjFuggevDp9l3CSlloSN6ET7337PiaXKVR wShYFHqGLjATUkcnvzBDfUev26zyav8Yc+WMy7GCKbDoxg9ZMSQs7Z+DK68uQizLuWbT k9Hv5BGmS1RQVLKMPOPALcRBEYVnCW4Olz1wDK1XEIDBaBXxximwJeZdKsf5ZrooACuL FupyFhfvkBcK2thvjZ9ABpMtUHiLG4jKdnzFvn+j/yAc1WNQAcGecKydL9gelXREFI3Q T4ZA== X-Forwarded-Encrypted: i=1; AJvYcCUDGAhXIKZAMLznHzIU0z7qpkhGJM31NdjZd8RiZlLLzhjdyW/vXDbech3m9B00ytptpUAZ3bjCAA==@kvack.org X-Gm-Message-State: AOJu0YwpooJLCBqhsQ6c3+RoM1VoUBzoZU6rwR1VKalBK/J84z/oqxBG m9ytAyVX2GodrpCGST4bwqQN2NkkLWj3QqSlQZ5wyuu6Rzc7YGPPsCrfFcWNXcal7q77zYtIoau rkRlPtTo/HuLXTVj8R2fnDYKjv7YHVRvXVO4Psq3kfrUhlHX261aG+jipIVc= X-Google-Smtp-Source: AGHT+IFRnNn9sgDNyHJt23b7Mr7Ft7Q+dyuXSydoZ0gp2f60eUG3E0i27e/t7AxHn/AAywySkoC92IHPOfSdCltId0sqofMbm4qs MIME-Version: 1.0 X-Received: by 2002:a05:6e02:2591:b0:3df:3222:278e with SMTP id e9e14a558f8ab-3e136ea4bf6mr178291795ab.1.1751997087355; Tue, 08 Jul 2025 10:51:27 -0700 (PDT) Date: Tue, 08 Jul 2025 10:51:27 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <686d5a9f.050a0220.1ffab7.0016.GAE@google.com> Subject: [syzbot] [mm?] WARNING in move_to_new_folio (2) From: syzbot To: akpm@linux-foundation.org, apopple@nvidia.com, byungchul@sk.com, david@redhat.com, gourry@gourry.net, joshua.hahnjy@gmail.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org, matthew.brost@intel.com, rakie.kim@sk.com, syzkaller-bugs@googlegroups.com, ying.huang@linux.alibaba.com, ziy@nvidia.com Content-Type: text/plain; charset="UTF-8" X-Rspam-User: X-Rspamd-Server: rspam01 X-Rspamd-Queue-Id: 4B1161C0018 X-Stat-Signature: d6mcugkidmqrtbspcc3hpr74zb987au1 X-HE-Tag: 1751997088-338061 X-HE-Meta: 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 oGg5iyXG 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 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: d7b8f8e20813 Linux 6.16-rc5 git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=16ff728c580000 kernel config: https://syzkaller.appspot.com/x/.config?x=f6cfc97245100778 dashboard link: https://syzkaller.appspot.com/bug?extid=3a24467a5470194c4175 compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=132adf70580000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=11ff728c580000 Downloadable assets: disk image (non-bootable): https://storage.googleapis.com/syzbot-assets/d900f083ada3/non_bootable_disk-d7b8f8e2.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/88e0e9607487/vmlinux-d7b8f8e2.xz kernel image: https://storage.googleapis.com/syzbot-assets/c0e31868d902/bzImage-d7b8f8e2.xz mounted in repro: https://storage.googleapis.com/syzbot-assets/02a26963f634/mount_0.gz fsck result: OK (log: https://syzkaller.appspot.com/x/fsck.log?x=150e5582580000) IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+3a24467a5470194c4175@syzkaller.appspotmail.com ------------[ cut here ]------------ gfs2_meta_aops does not implement migrate_folio WARNING: CPU: 0 PID: 30 at mm/migrate.c:944 fallback_migrate_folio mm/migrate.c:942 [inline] WARNING: CPU: 0 PID: 30 at mm/migrate.c:944 move_to_new_folio+0x696/0x7a0 mm/migrate.c:996 Modules linked in: CPU: 0 UID: 0 PID: 30 Comm: kcompactd1 Not tainted 6.16.0-rc5-syzkaller #0 PREEMPT(full) Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 RIP: 0010:fallback_migrate_folio mm/migrate.c:942 [inline] RIP: 0010:move_to_new_folio+0x696/0x7a0 mm/migrate.c:996 Code: 0d 01 90 42 80 7c 3d 00 00 74 0a 48 8b 7c 24 20 e8 3f 53 fe ff 48 8b 44 24 20 48 8b 30 48 c7 c7 80 b4 97 8b e8 bb b0 5e ff 90 <0f> 0b 90 90 49 bf 00 00 00 00 00 fc ff df e9 7e fd ff ff e8 62 d0 RSP: 0018:ffffc900005171d0 EFLAGS: 00010246 RAX: 07a7b0ed2cfb0500 RBX: ffffea0000fecc00 RCX: ffff888030f20000 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000002 RBP: 1ffff1100a4b8921 R08: ffff88801fc24293 R09: 1ffff11003f84852 R10: dffffc0000000000 R11: ffffed1003f84853 R12: ffffea00012c1a80 R13: ffff8880525c47e8 R14: ffffea0000fecc08 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff88808d21d000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000c0000cc000 CR3: 000000003fab7000 CR4: 0000000000352ef0 Call Trace: migrate_folio_move mm/migrate.c:1301 [inline] migrate_folios_move mm/migrate.c:1653 [inline] migrate_pages_batch+0x1c34/0x2830 mm/migrate.c:1900 migrate_pages_sync mm/migrate.c:1930 [inline] migrate_pages+0x1bcc/0x2930 mm/migrate.c:2039 compact_zone+0x23f4/0x4ad0 mm/compaction.c:2683 kcompactd_do_work mm/compaction.c:3134 [inline] kcompactd+0x97d/0x1290 mm/compaction.c:3228 kthread+0x70e/0x8a0 kernel/kthread.c:464 ret_from_fork+0x3fc/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 syzbot to run the reproducer, reply with: #syz test: git://repo/address.git branch-or-commit-hash If you attach or paste a git patch, syzbot will apply it before testing. 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