From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-il1-f197.google.com (mail-il1-f197.google.com [209.85.166.197]) (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 C19F420B09 for ; Wed, 7 Feb 2024 08:43:22 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.197 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1707295404; cv=none; b=RjUrwPh7uLH6OpEqa4lqWPjKmmv2CVHAbkOEuH8oLa0g4oHv6PDv0kvns2uBww9vo37q2pmL3zGFcdqNlEPdoR1fzuZl7VPku7noHgmSgolaycpin7kaHfs8Hx/QwVVMWFIg+AUnTaQECMd3IWpTrNAS5Lsvk20r12WnPrDC0vg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1707295404; c=relaxed/simple; bh=m7YzNhGTx8EdreLaLQv6WahRGcqBsoyLRaNgx5AIeZ8=; h=MIME-Version:Date:Message-ID:Subject:From:To:Content-Type; b=Obmv3DIfRXx8DBI0O4t/edeoD7AIsOrTebb/+Ht4KO7zwAwfX9eRGVSzAAP9j9E4vrBk6J0TsbPv+b5V0ToPfwkqAYyYxuYC+ZLgQCxtZ4ZyT46whOiPosZuA1eviDaUN9hJGR6ng9fQvgYBhR5YHZ3lWnteguhiKlQgPtb3lC0= 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=209.85.166.197 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-f197.google.com with SMTP id e9e14a558f8ab-36381f0e0a6so2583605ab.2 for ; Wed, 07 Feb 2024 00:43:22 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1707295402; x=1707900202; h=to:from:subject:message-id:date:mime-version:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=5cHzaOQQcEQytKXWs8H9MBprsiLU/8XFqHbQYiJ3eXY=; b=ZnZp9MyGMyU7cIvTjTfThW6IgrVxl1k0bCWqy5SjYVdmgev1CJC7f7QowBa4aeq1PZ 8oPedT+8ye8swWLvZfL9apT0SyM7X0xIx9tWH+GHHu/s7gNsLqom95I/CLQmApZP1kAI sSc1h7M3hHukSzx50enYqQnFOK2e4PxCa6SsrI4dm1ZG6u0el52CYPQN8SbFkpesfGbm nQxBcAJs/xU54LH96EpcIlonBDGxIvi6FotDH59H1Zrh9UfGP3Gw3DS3Aq2z+CVky+Wd 06L8GYZPiJ8DQlTE/L2dzC1hjO0Hc/23Eh2F0KSvU0HiN474Gk6v3zhqBG3Bj/bbkHFm idGw== X-Forwarded-Encrypted: i=1; AJvYcCXkp5hUo+Yjx7xg7ZmamkQOR9bZZNaaUsJRQmmAhVQRsxfiF//yupOyszT9cFz08yn2bk46mfsoIxX/WQ+ohkZ9rVXG1KW58OTrdHzMaw== X-Gm-Message-State: AOJu0YwGS4053g6qI6AGKFDHPc7gvfASP6u66safOVEUmbEudZLfM9Gl Ill/JNYYLukKIHws4sxLdV6RIBs0mw3Q2fEGNaiopOzYMS5LMRLi9BYAhHo64uTz2m30NIT4p2r JV/nz+jMptIsSaPk7QiTBvDDOKSOhbtUM3lpXs+TsT2UpC4nWylKtFfw= X-Google-Smtp-Source: AGHT+IEj7C7Vt1p1cSPScjHI5tRVGFIaP0qrsOagSmyFMRsP4RHKwDPuTJ1XpcZRXkl1bJqWyi7Z42gV4tVHlu9ywtqq85SNrmxR Precedence: bulk X-Mailing-List: linux-fsdevel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:1c2f:b0:363:b5e3:1082 with SMTP id m15-20020a056e021c2f00b00363b5e31082mr284357ilh.4.1707295402015; Wed, 07 Feb 2024 00:43:22 -0800 (PST) Date: Wed, 07 Feb 2024 00:43:22 -0800 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000f6c32a0610c6af48@google.com> Subject: [syzbot] [btrfs?] kernel BUG in mapping_try_invalidate From: syzbot To: clm@fb.com, dsterba@suse.com, josef@toxicpanda.com, linux-btrfs@vger.kernel.org, linux-fsdevel@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: 99bd3cb0d12e Merge tag 'bcachefs-2024-02-05' of https://ev.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=16629540180000 kernel config: https://syzkaller.appspot.com/x/.config?x=89a5d896b14c4565 dashboard link: https://syzkaller.appspot.com/bug?extid=e017b58b47bacf31a06b 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: https://storage.googleapis.com/syzbot-assets/73aa72bd3577/disk-99bd3cb0.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/6c6bf1614995/vmlinux-99bd3cb0.xz kernel image: https://storage.googleapis.com/syzbot-assets/7df252d11788/bzImage-99bd3cb0.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+e017b58b47bacf31a06b@syzkaller.appspotmail.com process_one_work kernel/workqueue.c:2633 [inline] process_scheduled_works+0x913/0x1420 kernel/workqueue.c:2706 worker_thread+0xa5f/0x1000 kernel/workqueue.c:2787 kthread+0x2ef/0x390 kernel/kthread.c:388 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1b/0x30 arch/x86/entry/entry_64.S:242 ------------[ cut here ]------------ kernel BUG at mm/filemap.c:2072! invalid opcode: 0000 [#1] PREEMPT SMP KASAN PTI CPU: 1 PID: 16388 Comm: syz-executor.2 Not tainted 6.8.0-rc3-syzkaller-00005-g99bd3cb0d12e #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 RIP: 0010:find_lock_entries+0xfdf/0x1110 mm/filemap.c:2071 Code: e8 96 4d cb ff eb 2a e8 8f 4d cb ff eb 3a e8 88 4d cb ff eb 4a e8 81 4d cb ff 4c 89 f7 48 c7 c6 a0 41 b3 8b e8 32 0f 10 00 90 <0f> 0b e8 6a 4d cb ff 4c 89 f7 48 c7 c6 a0 4b b3 8b e8 1b 0f 10 00 RSP: 0018:ffffc90013457520 EFLAGS: 00010246 RAX: f6dc7e6d18066c00 RBX: 0000000000000000 RCX: ffffc90013457303 RDX: 0000000000000002 RSI: ffffffff8baac6e0 RDI: ffffffff8bfd93e0 RBP: ffffc90013457670 R08: ffffffff8f842b6f R09: 1ffffffff1f0856d R10: dffffc0000000000 R11: fffffbfff1f0856e R12: ffffc900134575c0 R13: ffffffffffffffff R14: ffffea0000b3c100 R15: ffffea0000b3c134 FS: 00007f60b3b6e6c0(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000056197e1c4648 CR3: 000000007d35c000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: mapping_try_invalidate+0x162/0x640 mm/truncate.c:499 open_ctree+0xa9c/0x2a00 fs/btrfs/disk-io.c:3220 btrfs_fill_super fs/btrfs/super.c:940 [inline] btrfs_get_tree_super fs/btrfs/super.c:1860 [inline] btrfs_get_tree+0xe7a/0x1920 fs/btrfs/super.c:2086 vfs_get_tree+0x90/0x2a0 fs/super.c:1784 fc_mount+0x1b/0xb0 fs/namespace.c:1125 btrfs_get_tree_subvol fs/btrfs/super.c:2049 [inline] btrfs_get_tree+0x652/0x1920 fs/btrfs/super.c:2087 vfs_get_tree+0x90/0x2a0 fs/super.c:1784 do_new_mount+0x2be/0xb40 fs/namespace.c:3352 do_mount fs/namespace.c:3692 [inline] __do_sys_mount fs/namespace.c:3898 [inline] __se_sys_mount+0x2d9/0x3c0 fs/namespace.c:3875 do_syscall_64+0xf9/0x240 entry_SYSCALL_64_after_hwframe+0x6f/0x77 RIP: 0033:0x7f60b2e7f4aa Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 09 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 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:00007f60b3b6def8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007f60b3b6df80 RCX: 00007f60b2e7f4aa RDX: 00000000200051c0 RSI: 0000000020005200 RDI: 00007f60b3b6df40 RBP: 00000000200051c0 R08: 00007f60b3b6df80 R09: 0000000001000008 R10: 0000000001000008 R11: 0000000000000202 R12: 0000000020005200 R13: 00007f60b3b6df40 R14: 00000000000051ab R15: 0000000020000280 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:find_lock_entries+0xfdf/0x1110 mm/filemap.c:2071 Code: e8 96 4d cb ff eb 2a e8 8f 4d cb ff eb 3a e8 88 4d cb ff eb 4a e8 81 4d cb ff 4c 89 f7 48 c7 c6 a0 41 b3 8b e8 32 0f 10 00 90 <0f> 0b e8 6a 4d cb ff 4c 89 f7 48 c7 c6 a0 4b b3 8b e8 1b 0f 10 00 RSP: 0018:ffffc90013457520 EFLAGS: 00010246 RAX: f6dc7e6d18066c00 RBX: 0000000000000000 RCX: ffffc90013457303 RDX: 0000000000000002 RSI: ffffffff8baac6e0 RDI: ffffffff8bfd93e0 RBP: ffffc90013457670 R08: ffffffff8f842b6f R09: 1ffffffff1f0856d R10: dffffc0000000000 R11: fffffbfff1f0856e R12: ffffc900134575c0 R13: ffffffffffffffff R14: ffffea0000b3c100 R15: ffffea0000b3c134 FS: 00007f60b3b6e6c0(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000555555ac9938 CR3: 000000007d35c000 CR4: 00000000003506f0 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 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