From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-il1-f199.google.com (mail-il1-f199.google.com [209.85.166.199]) (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 D43A228379 for ; Tue, 22 Oct 2024 01:03:30 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.199 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1729559012; cv=none; b=sMFXve2nojkpW0vi40TweVIFAVxgBEzSmcQmVU57vrjWLF920cr7waXaK8KMr0pEvIrWAREGdfwrizBoJDHf+jqAOuBt3adqk7Wcw87BNdV7pn1TusqW5ZbiJk479/niR7AYe/wT7U9EEWaQmXpOhm/fbno4rUGKQL4/nZMqskk= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1729559012; c=relaxed/simple; bh=EaeHWISn1cOME7j2ZxUWwoUcH4UqC8Ij7hr25rMWswg=; h=MIME-Version:Date:Message-ID:Subject:From:To:Content-Type; b=FMjN+tuRx9fBs6PAuHSahT2dpw6OyHdl/5Wj2odewzLz/RDObFWGw1qke1Pc8sXcF4/SyJmTXbvGmNjW15guVTLTTP//VcvY3faqSWQXfECSIatUGc7ebBhxJnhgO1ekkmulRBCQMXDnR63WMTdOBhpLwdxB18zWuqFhT+MhElA= 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=209.85.166.199 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-f199.google.com with SMTP id e9e14a558f8ab-3a3c70e58bfso41759455ab.3 for ; Mon, 21 Oct 2024 18:03:30 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1729559010; x=1730163810; h=to:from:subject:message-id:date:mime-version:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=dzxZsfm2IDcVs092UIwNqZotbjszFdKSKjIKGExOKHQ=; b=XlgUMPjPEGLniV/K10AQEhEwYIBDctKlWtyO3jSuoWEI8ChqIX3gIgG1RyNF6ZzP7/ ZR1wapzshc+TE9UIS7Fdh7Szn5yjPXQMYDqKhq8hojbNXhKsHvhQqOs7OsfI5JSTIxCu gwW/rtzCSAPAwdzWcU6vmO0N7sWKFsaOk5gni5gLSOqMOXwDS6D3nTfDSxQ0RnMJzHv7 TVM3xg9mkYjGx/A31b4aQbzrLg8+oLXRt2ehxGieeYNTmRlRmvVip1rLhEhCaHZDKU5y D+ssLqRdDG8zmgl7ixKJMBnfqnqRRlqrEFrx3taU8qS/Xh5BKVpV7FhjYalM8hWOF/OR 1MoA== X-Forwarded-Encrypted: i=1; AJvYcCVXTY6RIHDvvEoZOLJfwh8dmLMBtkRVkaXJPZaiXRit/wvQF4jS/DIwcT2hC5er19d44vB/Gp0k4mudwz4=@vger.kernel.org X-Gm-Message-State: AOJu0YydI5ZwIfPXk/qOrD2NI7hyiUnH6ECjgA/LZ3/caKbFdlFE3Bm9 nAhXeYecTi6ZSqNhXgf7gE/IyzRBJ3vKzIcUHLOpLkdCafPFv5D+4c7Eu5ABVf36ARXnSEf63O6 disMNO/3IMMEakw+NrWI0fN28QbQ+cjx1xRLhd0U2YQbfIThgKdQblBE= X-Google-Smtp-Source: AGHT+IGJaiI+3CeH6B/sc5zINJNVNKuTkHyLjV2ol/JP/x/cS6QMfQEZb2cI4vgewyw3WSJTREG6IkvB1ezhtvebiU3Dz31jXgfK Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:12c6:b0:3a0:4a91:224f with SMTP id e9e14a558f8ab-3a3f40474d0mr105674435ab.1.1729559010044; Mon, 21 Oct 2024 18:03:30 -0700 (PDT) Date: Mon, 21 Oct 2024 18:03:30 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <6716f9e2.050a0220.1e4b4d.0068.GAE@google.com> Subject: [syzbot] [btrfs?] kernel BUG in extent_writepage_io 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: 6efbea77b390 Merge tag 'arm64-fixes' of git://git.kernel.o.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=11c0c240580000 kernel config: https://syzkaller.appspot.com/x/.config?x=164d2822debd8b0d dashboard link: https://syzkaller.appspot.com/bug?extid=9295d5153c44d86af0aa compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=15c18c5f980000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=12186f27980000 Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/5dbbf0b1a9a5/disk-6efbea77.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/fd272a84cc09/vmlinux-6efbea77.xz kernel image: https://storage.googleapis.com/syzbot-assets/cfcfcf079289/bzImage-6efbea77.xz mounted in repro: https://storage.googleapis.com/syzbot-assets/504c13bf000c/mount_0.gz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+9295d5153c44d86af0aa@syzkaller.appspotmail.com assertion failed: block_start != EXTENT_MAP_HOLE, in fs/btrfs/extent_io.c:1303 ------------[ cut here ]------------ kernel BUG at fs/btrfs/extent_io.c:1303! Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN PTI CPU: 0 UID: 0 PID: 5258 Comm: syz-executor179 Not tainted 6.12.0-rc3-syzkaller-00183-g6efbea77b390 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 RIP: 0010:submit_one_sector fs/btrfs/extent_io.c:1303 [inline] RIP: 0010:extent_writepage_io+0xca2/0xd20 fs/btrfs/extent_io.c:1388 Code: fe 07 90 0f 0b e8 1e 28 d9 fd 48 c7 c7 80 0d 4d 8c 48 c7 c6 60 1b 4d 8c 48 c7 c2 20 0d 4d 8c b9 17 05 00 00 e8 5f f7 fe 07 90 <0f> 0b e8 f7 27 d9 fd eb 5f e8 f0 27 d9 fd 48 c7 c7 80 0d 4d 8c 48 RSP: 0018:ffffc90003eb6ec0 EFLAGS: 00010246 RAX: 000000000000004e RBX: 0000000000001000 RCX: 9c772e8b3e6d6f00 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: ffffc90003eb7030 R08: ffffffff8174af9c R09: 1ffff920007d6d74 R10: dffffc0000000000 R11: fffff520007d6d75 R12: fffffffffffffffd R13: 0000000000007000 R14: dffffc0000000000 R15: ffffea0001c3a740 FS: 00007f6de66216c0(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020948000 CR3: 0000000076e7c000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: extent_writepage fs/btrfs/extent_io.c:1460 [inline] extent_write_cache_pages fs/btrfs/extent_io.c:2130 [inline] btrfs_writepages+0x11c4/0x2370 fs/btrfs/extent_io.c:2261 do_writepages+0x35d/0x870 mm/page-writeback.c:2683 filemap_fdatawrite_wbc+0x125/0x180 mm/filemap.c:398 __filemap_fdatawrite_range mm/filemap.c:431 [inline] filemap_fdatawrite_range+0x11a/0x180 mm/filemap.c:449 btrfs_fdatawrite_range+0x53/0xe0 fs/btrfs/file.c:3827 btrfs_direct_write+0x565/0xa70 fs/btrfs/direct-io.c:961 btrfs_do_write_iter+0x2a0/0x760 fs/btrfs/file.c:1505 do_iter_readv_writev+0x600/0x880 vfs_writev+0x376/0xba0 fs/read_write.c:1064 do_pwritev fs/read_write.c:1165 [inline] __do_sys_pwritev2 fs/read_write.c:1224 [inline] __se_sys_pwritev2+0x1ca/0x2d0 fs/read_write.c:1215 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f6de66ad5d9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 18 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:00007f6de6621158 EFLAGS: 00000212 ORIG_RAX: 0000000000000148 RAX: ffffffffffffffda RBX: 00007f6de673a6e8 RCX: 00007f6de66ad5d9 RDX: 0000000000000001 RSI: 0000000020000240 RDI: 0000000000000004 RBP: 00007f6de673a6e0 R08: 0000000000000000 R09: 0000000000000003 R10: 0000000000007800 R11: 0000000000000212 R12: 00007f6de673a6ec R13: 000000000000006e R14: 00007fffacb4cff0 R15: 00007fffacb4d0d8 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:submit_one_sector fs/btrfs/extent_io.c:1303 [inline] RIP: 0010:extent_writepage_io+0xca2/0xd20 fs/btrfs/extent_io.c:1388 Code: fe 07 90 0f 0b e8 1e 28 d9 fd 48 c7 c7 80 0d 4d 8c 48 c7 c6 60 1b 4d 8c 48 c7 c2 20 0d 4d 8c b9 17 05 00 00 e8 5f f7 fe 07 90 <0f> 0b e8 f7 27 d9 fd eb 5f e8 f0 27 d9 fd 48 c7 c7 80 0d 4d 8c 48 RSP: 0018:ffffc90003eb6ec0 EFLAGS: 00010246 RAX: 000000000000004e RBX: 0000000000001000 RCX: 9c772e8b3e6d6f00 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: ffffc90003eb7030 R08: ffffffff8174af9c R09: 1ffff920007d6d74 R10: dffffc0000000000 R11: fffff520007d6d75 R12: fffffffffffffffd R13: 0000000000007000 R14: dffffc0000000000 R15: ffffea0001c3a740 FS: 00007f6de66216c0(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005646f9cff0b8 CR3: 0000000076e7c000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 --- 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