From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-oi1-f200.google.com (mail-oi1-f200.google.com [209.85.167.200]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id DC2E82C234E for ; Wed, 11 Mar 2026 04:25:33 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.167.200 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773203135; cv=none; b=EHnzMVTywG8H/NOiYpbq1cDW34l6RKfuYSlCUznYR671yAE8+ETDdbPliA0j9tLSPKRz0ZanFykPlyjdHNrDu532yr+zc4cAaRIajNB4MvB8lQ/lKNevC41q9cQg2JEWg0Yr3xR+ZCUTH6iQtI7NELPHcV8nEIbUt4ze+Z0VCtc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773203135; c=relaxed/simple; bh=OV282ESBR2B6HOLfmgxSEz7bKzYuzM6j5PzCZ1QmAQ4=; h=MIME-Version:Date:Message-ID:Subject:From:To:Content-Type; b=X0UueNA7yFCVb+s14GIERFNF99X1+83QePEDmxKPhS8Po+Aj+QraIGdapLhJVOnad0iM+W0OW/FFbZ+IL8jMRVI7bYpCtfcwjjGM6YFbrCAHaOtgYFQroI4xiOlqJTD5bF5LzUCxglW8FtS98v85EFCaFpyNGhtWe+wNhCStxDE= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com; arc=none smtp.client-ip=209.85.167.200 Authentication-Results: smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com Received: by mail-oi1-f200.google.com with SMTP id 5614622812f47-463ee33f9b2so50578625b6e.3 for ; Tue, 10 Mar 2026 21:25:33 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1773203133; x=1773807933; h=to:from:subject:message-id:date:mime-version:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=MJBej/m7/3WxM0PGbEN1Gz6ax2HLqIM5iGAI2FUH2YI=; b=EZqyZYC1+uM1u4RfX4qX4pJXL0GyEO1kX9UPpdUvA6HliJ8yx9LyrSZpc9XICarILT LpqWDcB0QUUvLTl7W0ca9nGeVA3eFxpYh25lnmnYf1uVZVsvaqkVrplGJdzB9pcMvFDw V5QTCSC9GEfEYbmZ4nicRTH5N3IPaGj6qabs7N3j1KGmRQjO0bnXEe5rLJamVwmzzJ5O XMrYC2rg4ZwaZ1QZQ4U6wVoZIFogRyXm+lJlQ5rRhmYzRQdInUdYJHOOrs8eXX8knahp TRTW8FRWAufy44liJgJZiYTFGf6yQW/Sas2KAyEIBsN0MhBRKJEqLEcc505kf2LhC6B8 yj3w== X-Forwarded-Encrypted: i=1; AJvYcCXbkyKzxcXMJdSF41rVEC6uYQZsSep02jJBr3DDNqZOqRBwQBd0yqYyjjpZzvuoY2YsFTYhF2sJ+XU=@vger.kernel.org X-Gm-Message-State: AOJu0YxrAE/IZTCMTcjwcWKzo6t36QhdDDq4G53Dh2+jSnRqJgpqQNdp gV9KIZei5ijIlh2jBeB5soHgh9Td1keb9i/+vXkW1msOLHhUU+kZIB3+XU6Rey+obdqOTzmdvvN o4YScfKyH0Eo9PB2F2W+f46akZfrqztD2KUORbr9URiVxJP6GRz+O61PwM68= Precedence: bulk X-Mailing-List: linux-xfs@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6808:1787:b0:45e:f09f:6359 with SMTP id 5614622812f47-467335b7dbemr654821b6e.53.1773203132866; Tue, 10 Mar 2026 21:25:32 -0700 (PDT) Date: Tue, 10 Mar 2026 21:25:32 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <69b0eebc.050a0220.381736.0048.GAE@google.com> Subject: [syzbot] [xfs?] WARNING in refill_objects From: syzbot To: cem@kernel.org, linux-kernel@vger.kernel.org, linux-xfs@vger.kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Hello, syzbot found the following issue on: HEAD commit: 651690480a96 Merge tag 'spi-fix-v7.0-rc2' of git://git.ker.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=1660ca02580000 kernel config: https://syzkaller.appspot.com/x/.config?x=c5c49ee0942d1cdb dashboard link: https://syzkaller.appspot.com/bug?extid=d78ace33ad4ee69329d5 compiler: Debian clang version 21.1.8 (++20251221033036+2078da43e25a-1~exp1~20251221153213.50), Debian LLD 21.1.8 Unfortunately, I don't have any reproducer for this issue yet. Downloadable assets: disk image (non-bootable): https://storage.googleapis.com/syzbot-assets/d900f083ada3/non_bootable_disk-65169048.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/87d1bc3c7c70/vmlinux-65169048.xz kernel image: https://storage.googleapis.com/syzbot-assets/8ab02990eba5/bzImage-65169048.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+d78ace33ad4ee69329d5@syzkaller.appspotmail.com ------------[ cut here ]------------ current->flags & PF_MEMALLOC WARNING: mm/page_alloc.c:4741 at __alloc_pages_slowpath+0xd0a/0xd40 mm/page_alloc.c:4741, CPU#0: kswapd0/70 Modules linked in: CPU: 0 UID: 0 PID: 70 Comm: kswapd0 Not tainted syzkaller #0 PREEMPT(full) Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 RIP: 0010:__alloc_pages_slowpath+0xd0a/0xd40 mm/page_alloc.c:4741 Code: 48 8b 1d 31 3b f9 10 48 83 c3 2c 48 89 d8 48 c1 e8 03 0f b6 04 08 84 c0 75 23 f6 43 01 08 48 8b 54 24 08 0f 84 41 f3 ff ff 90 <0f> 0b 90 e9 38 f3 ff ff e8 59 7c 8c 09 90 0f 0b 90 eb c2 89 d9 80 RSP: 0018:ffffc90000b1ec98 EFLAGS: 00010202 RAX: 0000000000000000 RBX: ffff888000e3c9ac RCX: dffffc0000000000 RDX: ffffc90000b1edc0 RSI: 0000000000000000 RDI: 00000000000cacc0 RBP: 00000000000cacc0 R08: ffff88802fffd9b0 R09: 1ffff1100bffae52 R10: dffffc0000000000 R11: ffffed100bffae53 R12: ffffc90000b1edc0 R13: 1ffff92000163db4 R14: 00000000000cacc0 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff88808ca56000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fc9045ff000 CR3: 00000000121ca000 CR4: 0000000000352ef0 Call Trace: __alloc_frozen_pages_noprof+0x322/0x380 mm/page_alloc.c:5263 alloc_slab_page mm/slub.c:3296 [inline] allocate_slab+0x11f/0x660 mm/slub.c:3493 new_slab mm/slub.c:3543 [inline] refill_objects+0x331/0x3c0 mm/slub.c:7178 __pcs_replace_empty_main+0x2f9/0x5e0 mm/slub.c:-1 alloc_from_pcs mm/slub.c:4720 [inline] slab_alloc_node mm/slub.c:4854 [inline] kmem_cache_alloc_noprof+0x37d/0x650 mm/slub.c:4876 __xfs_trans_alloc+0x26/0x410 fs/xfs/xfs_trans.c:220 xfs_trans_alloc+0xd7/0x9b0 fs/xfs/xfs_trans.c:254 xfs_vn_sync_lazytime+0xaf/0x150 fs/xfs/xfs_iops.c:1238 sync_lazytime+0x12d/0x2d0 fs/fs-writeback.c:1721 iput+0x230/0xe80 fs/inode.c:1997 __dentry_kill+0x1a2/0x5e0 fs/dcache.c:670 shrink_kill+0xa9/0x2c0 fs/dcache.c:1147 shrink_dentry_list+0x2e0/0x5e0 fs/dcache.c:1174 prune_dcache_sb+0x119/0x180 fs/dcache.c:1256 super_cache_scan+0x369/0x4b0 fs/super.c:223 do_shrink_slab+0x6df/0x1170 mm/shrinker.c:437 shrink_slab_memcg mm/shrinker.c:550 [inline] shrink_slab+0x830/0x1150 mm/shrinker.c:628 shrink_one+0x2d9/0x710 mm/vmscan.c:4928 shrink_many mm/vmscan.c:4989 [inline] lru_gen_shrink_node mm/vmscan.c:5067 [inline] shrink_node+0x3197/0x3a90 mm/vmscan.c:6047 kswapd_shrink_node mm/vmscan.c:6894 [inline] balance_pgdat mm/vmscan.c:7070 [inline] kswapd+0x1742/0x2e10 mm/vmscan.c:7343 kthread+0x388/0x470 kernel/kthread.c:436 ret_from_fork+0x51e/0xb90 arch/x86/kernel/process.c:158 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