From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-il1-f205.google.com (mail-il1-f205.google.com [209.85.166.205]) (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 E85024085D for ; Sun, 23 Jun 2024 21:42:19 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.205 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1719178941; cv=none; b=TU56yd1/uOUGk19y1whgLIfD2JqKBo3eeqfMvAvQ9uwYAjywjvcOeacc33cQ/UeoRENuyX9x6K7Wv7JgfL3D/qH/wl9pXZQxB2+hXlvhI+NShPdAqBEB9GBgepjJaOM1f3K6ZCx89szdwWgcc7g7+TP8WGRlAvMcbFbvmro6Am8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1719178941; c=relaxed/simple; bh=n8WkbQfKFP+Tm0660dvYTCTWhLFB0rtAaCFXjhVrdl8=; h=MIME-Version:Date:Message-ID:Subject:From:To:Content-Type; b=OSPANxrMBFjdR7HqfM8LINnwGj86aTiS/kMrDrCA5m2ze4ceWZRn5vgW+SlKM7VnRSMv6TH1sTwjJ6lU2x8uf8OUc3VtCGuAPUX9QEf/dgISmY0rhpgqWCglVM/npC+wZ++iNwPOCGLSU/O1WLnlh97gIUdcSpfL7NHdONUCGcU= 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=209.85.166.205 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-il1-f205.google.com with SMTP id e9e14a558f8ab-375d2ddeffbso44867025ab.0 for ; Sun, 23 Jun 2024 14:42:19 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1719178939; x=1719783739; h=to:from:subject:message-id:date:mime-version:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=3rhSUyTHpYnMAQ3Y600yeB/qOpsdPrjtPt6dT1YYdmA=; b=ed+ob7+tZq+kd7kyc5WIHYtbO9L2LnbF80cDV+SWc+cguN2e/t/y4xrkXSayXTQzUY OM/ssBdLT8/EbA8QPb4nw3syPHebAQeXGFtLxWBECRrhVJ18fWrkIJ0rN4ePVdIBbDqL rurmHSlGduK1Y83989gsx4m8z76nuHy42EpSesT2TncZAqE/iHm1OwANd54p+dUFQXFN pckKuaA/AgFMx7Hj2I2LzbH3z6DTUJMP0uk1gpLlBaU+ZiuSCL6yfrTJ4li4dn1cb7yo AoaVfNRNPRR4HXPwuxZy/5xHC3q8escQmzxZNUUFadItpgBZNrrANybxUdAmNc6gIHXF xfPg== X-Forwarded-Encrypted: i=1; AJvYcCVXj5pyxdvQo6BonYvr6XwfO4/NWRoc4DmcRS3rnCXX7z1cnufCEPlwEl+JDf9ireGcdGMNs5ZhJoEZ0rt1X2uDkmy2LURGpUJ/q+AV X-Gm-Message-State: AOJu0YwmQxKvbTP4h/pBzaOGadHDS07aQ1V7wV2BhuiD0XEHKn8AQ3bx x9Za398Rr8cCG+7Rp6IvIduWM4aIZk6GzJU58l1RlCF3LatTVWeJBO+1R2W6VPZmJ4e8w3Y+6ev Yz0pAIfCEWighHaCY+iBD6yzZ5wh9La/NtPfC+xOjY4SND3Qnm5jQ9I8= X-Google-Smtp-Source: AGHT+IFvACzKSZbwHs75b1ZIGtz45qBMKskOwvrlk3yXrhGsKDwc0qwBxd+g47iVzaSLbgHTKU9pOlzqp9rotLZreLtOGR+6twT6 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:c268:0:b0:375:8a85:eacd with SMTP id e9e14a558f8ab-3763f6c7aabmr2165935ab.3.1719178939023; Sun, 23 Jun 2024 14:42:19 -0700 (PDT) Date: Sun, 23 Jun 2024 14:42:19 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000f75434061b9589eb@google.com> Subject: [syzbot] [btrfs?] WARNING in btrfs_free_reserved_data_space_noquota (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: 2ccbdf43d5e7 Merge tag 'for-linus' of git://git.kernel.org.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=112f8c1e980000 kernel config: https://syzkaller.appspot.com/x/.config?x=81c0d76ceef02b39 dashboard link: https://syzkaller.appspot.com/bug?extid=9b4407a256ad8ed1d5c8 compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 userspace arch: i386 Unfortunately, I don't have any reproducer for this issue yet. Downloadable assets: disk image (non-bootable): https://storage.googleapis.com/syzbot-assets/7bc7510fe41f/non_bootable_disk-2ccbdf43.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/13cdb5bfbafa/vmlinux-2ccbdf43.xz kernel image: https://storage.googleapis.com/syzbot-assets/7a14f5d07f81/bzImage-2ccbdf43.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+9b4407a256ad8ed1d5c8@syzkaller.appspotmail.com R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 ------------[ cut here ]------------ WARNING: CPU: 2 PID: 7088 at fs/btrfs/space-info.h:208 btrfs_space_info_update_bytes_may_use fs/btrfs/space-info.h:208 [inline] WARNING: CPU: 2 PID: 7088 at fs/btrfs/space-info.h:208 btrfs_space_info_free_bytes_may_use fs/btrfs/space-info.h:240 [inline] WARNING: CPU: 2 PID: 7088 at fs/btrfs/space-info.h:208 btrfs_free_reserved_data_space_noquota+0x3de/0x550 fs/btrfs/delalloc-space.c:179 Modules linked in: CPU: 2 PID: 7088 Comm: syz-executor.2 Not tainted 6.10.0-rc3-syzkaller-00044-g2ccbdf43d5e7 #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014 RIP: 0010:btrfs_space_info_update_bytes_may_use fs/btrfs/space-info.h:208 [inline] RIP: 0010:btrfs_space_info_free_bytes_may_use fs/btrfs/space-info.h:240 [inline] RIP: 0010:btrfs_free_reserved_data_space_noquota+0x3de/0x550 fs/btrfs/delalloc-space.c:179 Code: ea 03 80 3c 02 00 0f 85 64 01 00 00 4c 8b 73 60 48 89 ef 4c 89 f6 e8 71 68 df fd 49 39 ee 0f 83 65 fe ff ff e8 f3 6d df fd 90 <0f> 0b 90 e9 62 fe ff ff e8 e5 6d df fd 48 8d 7b 18 be ff ff ff ff RSP: 0018:ffffc900042af5c8 EFLAGS: 00010293 RAX: 0000000000000000 RBX: ffff88801e0fb800 RCX: ffffffff83af21cf RDX: ffff88801d02c880 RSI: ffffffff83af21dd RDI: 0000000000000006 RBP: 0000000000800000 R08: 0000000000000006 R09: 0000000000800000 R10: 00000000005cd000 R11: 0000000000000003 R12: ffff888011fb8000 R13: 0000000000000000 R14: 00000000005cd000 R15: ffffffffff800000 FS: 0000000000000000(0000) GS:ffff88802c200000(0063) knlGS:00000000f5ed1b40 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: 000000c0018a2000 CR3: 0000000000822000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: btrfs_free_reserved_data_space+0xc1/0x100 fs/btrfs/delalloc-space.c:199 btrfs_dio_iomap_begin+0xbbc/0x1e40 fs/btrfs/inode.c:7752 iomap_iter+0x61f/0x1080 fs/iomap/iter.c:91 __iomap_dio_rw+0x6ba/0x1c70 fs/iomap/direct-io.c:659 btrfs_dio_write+0xb1/0xf0 fs/btrfs/inode.c:7890 btrfs_direct_write fs/btrfs/file.c:1554 [inline] btrfs_do_write_iter+0x901/0x10c0 fs/btrfs/file.c:1695 new_sync_write fs/read_write.c:497 [inline] vfs_write+0x6b6/0x1140 fs/read_write.c:590 ksys_write+0x12f/0x260 fs/read_write.c:643 do_syscall_32_irqs_on arch/x86/entry/common.c:165 [inline] __do_fast_syscall_32+0x73/0x120 arch/x86/entry/common.c:386 do_fast_syscall_32+0x32/0x80 arch/x86/entry/common.c:411 entry_SYSENTER_compat_after_hwframe+0x84/0x8e RIP: 0023:0xf72df579 Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 8d b4 26 00 00 00 00 8d b4 26 00 00 00 00 RSP: 002b:00000000f5ed15ac EFLAGS: 00000292 ORIG_RAX: 0000000000000004 RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000000000000 RDX: 0000000000800000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 ---------------- Code disassembly (best guess), 2 bytes skipped: 0: 10 06 adc %al,(%rsi) 2: 03 74 b4 01 add 0x1(%rsp,%rsi,4),%esi 6: 10 07 adc %al,(%rdi) 8: 03 74 b0 01 add 0x1(%rax,%rsi,4),%esi c: 10 08 adc %cl,(%rax) e: 03 74 d8 01 add 0x1(%rax,%rbx,8),%esi 1e: 00 51 52 add %dl,0x52(%rcx) 21: 55 push %rbp 22: 89 e5 mov %esp,%ebp 24: 0f 34 sysenter 26: cd 80 int $0x80 * 28: 5d pop %rbp <-- trapping instruction 29: 5a pop %rdx 2a: 59 pop %rcx 2b: c3 ret 2c: 90 nop 2d: 90 nop 2e: 90 nop 2f: 90 nop 30: 8d b4 26 00 00 00 00 lea 0x0(%rsi,%riz,1),%esi 37: 8d b4 26 00 00 00 00 lea 0x0(%rsi,%riz,1),%esi --- 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