From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-io1-f80.google.com (mail-io1-f80.google.com [209.85.166.80]) (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 782AB2139CB for ; Wed, 5 Feb 2025 03:31:22 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.80 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1738726284; cv=none; b=PPndXuN7Xf5IBtqw+38/AVsVcuKIg+nPsTLl9PjGhOiYv/9lQr/DthqaXpz42igk/ixk1ECXQ2KDWvXJA3Xcji9bWhYfUlysgWsNkIdn7rOjOJJ6UjVtqq5Ij5p5JkC94Jm21lziOajvvvG1F4/CG7BbLPtbVA7Cpq7b+3V06ao= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1738726284; c=relaxed/simple; bh=JR+q5Qv76dY6OLc41/QVNXz1kJpQ6WF/SbfNQ4IqPRE=; h=MIME-Version:Date:Message-ID:Subject:From:To:Content-Type; b=ZBjVQR1RbStKYivckjE1ZdQwkPFC3wosyJAIugNUZubYzgwJDtv8eIDKlAu6zQMutgMzHyv7NgmIeim0KijPbjavkI2ZI06LwueoXv0x65fMefttmgkriVmImEMDGb2sbO6d+rfsy5sfRC/AAbKMlE2+PYLhlN6SU7ockMGfX9Y= 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=209.85.166.80 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-io1-f80.google.com with SMTP id ca18e2360f4ac-849d26dd331so35834039f.1 for ; Tue, 04 Feb 2025 19:31:22 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1738726281; x=1739331081; h=to:from:subject:message-id:date:mime-version:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=FUaZXeNIm79Z2ts+NvxXvJZCLbvnILiJrvFpnwMCDtQ=; b=tG1QSXci8/hTU8Af5YqbSVMnjo3eAb6v7WERj0o5l+Qu/6RQFYwCKdkcLlyWIo/icI 15BXeVud+rszEi9g+DVzgR1G/vM4O9Hr6+Gtk7AF+aH+eEQ1J5q8NcPFFaVmDi5dat6W W5/+pHZ1KHaJQr54axcZ2vKRMGY1oY2j3QMr8lXNOQ7L+IdC19A3m5czwt543Mj5626Y YROW0OW4q2DGQkhFnwVIsFXh21UzkFja/CljECHlI1GoMCYFtio2hEOGQhR9XMM9FZhu Dj2mTTkGzqTeCSGXuQst8iBXU19QyAmU5ih6jSqzay+lE+dMRui6brFvZ0xIG1QkbGn+ utHg== X-Forwarded-Encrypted: i=1; AJvYcCWbIzg5mpBOmoEOemyqkrRG6At1JZznvy+c8Fy5owZl/bwRjv0XDThU4+hUJcL04LxYqNf9gocekbfRsp8=@vger.kernel.org X-Gm-Message-State: AOJu0YwdYi9Vu6XHWxcBPhejDAtqss4r3MX3C4A/592OcpjZAezygyj6 MxiPGvI1+qPys4Cv+rcwFAGhgIs8PF8yLFbW1AuaYvwn6msZr2qRFU7HCvVSKRWc2Iy5AbKr22v pj30uwujNiZzWULuwNTOhATXcc34dQ06gkyxkpu36wbnWlSYXoAGIMuI= X-Google-Smtp-Source: AGHT+IEDMuvTYQ6Ma+IkSkNx2gcP+l0xyxdbN9YLST/XdwXIHLQN7Miiy3s8vG5Tk2qSX9iofJUzgahb6Eh8LTrgbzNSEEU7chIq Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a92:4a03:0:b0:3a9:cde3:2ecc with SMTP id e9e14a558f8ab-3d03f508538mr46122455ab.6.1738726281565; Tue, 04 Feb 2025 19:31:21 -0800 (PST) Date: Tue, 04 Feb 2025 19:31:21 -0800 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <67a2db89.050a0220.50516.0008.GAE@google.com> Subject: [syzbot] [btrfs?] WARNING in __btrfs_update_delayed_inode (2) From: syzbot To: clm@fb.com, dsterba@suse.com, josef@toxicpanda.com, linux-btrfs@vger.kernel.org, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Hello, syzbot found the following issue on: HEAD commit: 69e858e0b8b2 Merge tag 'uml-for-linus-6.14-rc1' of git://g.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=15c695f8580000 kernel config: https://syzkaller.appspot.com/x/.config?x=d033b14aeef39158 dashboard link: https://syzkaller.appspot.com/bug?extid=9864f9d3c5c14e151341 compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 Unfortunately, I don't have any reproducer for this issue yet. Downloadable assets: disk image (non-bootable): https://storage.googleapis.com/syzbot-assets/7feb34a89c2a/non_bootable_disk-69e858e0.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/a53b888c1f3f/vmlinux-69e858e0.xz kernel image: https://storage.googleapis.com/syzbot-assets/6b5e17edafc0/bzImage-69e858e0.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+9864f9d3c5c14e151341@syzkaller.appspotmail.com ------------[ cut here ]------------ BTRFS: Transaction aborted (error -28) WARNING: CPU: 0 PID: 5348 at fs/btrfs/delayed-inode.c:1090 __btrfs_update_delayed_inode+0xa02/0xbe0 fs/btrfs/delayed-inode.c:1090 Modules linked in: CPU: 0 UID: 0 PID: 5348 Comm: syz.0.0 Not tainted 6.13.0-syzkaller-09760-g69e858e0b8b2 #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 RIP: 0010:__btrfs_update_delayed_inode+0xa02/0xbe0 fs/btrfs/delayed-inode.c:1090 Code: 8c 49 89 dd 44 89 ea e8 ac ac 32 fd e9 db fe ff ff e8 42 61 ca fd 90 48 c7 c7 a0 75 4d 8c 49 89 dd 44 89 ee e8 9f 19 8b fd 90 <0f> 0b 90 90 e9 b9 fe ff ff 44 89 e9 80 e1 07 80 c1 03 38 c1 0f 8c RSP: 0018:ffffc900019e6580 EFLAGS: 00010246 RAX: 54c9bccbc803ae00 RBX: 00000000ffffffe4 RCX: ffff888000764880 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 RBP: ffffc900019e66b0 R08: ffffffff818027c2 R09: 1ffff11003f8519a R10: dffffc0000000000 R11: ffffed1003f8519b R12: 1ffff1100a618b59 R13: 00000000ffffffe4 R14: ffff8880530c5ac8 R15: 0000000000000000 FS: 00007f65596856c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f7c6cc174a8 CR3: 0000000052c5e000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: btrfs_update_delayed_inode fs/btrfs/delayed-inode.c:1108 [inline] __btrfs_commit_inode_delayed_items+0x2318/0x24a0 fs/btrfs/delayed-inode.c:1131 __btrfs_run_delayed_items+0x20e/0x4b0 fs/btrfs/delayed-inode.c:1165 btrfs_commit_transaction+0x89a/0x3760 fs/btrfs/transaction.c:2310 btrfs_sync_file+0xdd7/0x11e0 fs/btrfs/file.c:1735 generic_write_sync include/linux/fs.h:2958 [inline] btrfs_do_write_iter+0x5fc/0x7b0 fs/btrfs/file.c:1386 __kernel_write_iter+0x433/0x950 fs/read_write.c:612 __kernel_write+0x120/0x180 fs/read_write.c:632 __dump_emit+0x237/0x360 fs/coredump.c:807 elf_core_dump+0x31f4/0x4790 fs/binfmt_elf.c:2081 do_coredump+0x244f/0x2f00 fs/coredump.c:758 get_signal+0x140b/0x1750 kernel/signal.c:3021 arch_do_signal_or_restart+0x96/0x860 arch/x86/kernel/signal.c:337 exit_to_user_mode_loop kernel/entry/common.c:111 [inline] exit_to_user_mode_prepare include/linux/entry-common.h:329 [inline] irqentry_exit_to_user_mode+0x7e/0x250 kernel/entry/common.c:231 exc_page_fault+0x590/0x8b0 arch/x86/mm/fault.c:1542 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:623 RIP: 0033:0x7f655878cdb1 Code: 00 00 00 00 00 0f 1f 40 00 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 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f RSP: 002b:ffffffffffffffe0 EFLAGS: 00010217 RAX: 0000000000000000 RBX: 00007f65589a6080 RCX: 00007f655878cda9 RDX: 0000000000000000 RSI: ffffffffffffffe0 RDI: 0000000004008011 RBP: 00007f655880e2a0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f65589a6080 R15: 00007ffe6a01d078 --- 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