R13: 0000000020000100 R14: 0000000020000200 R15: 00000000200000c0
------------[ cut here ]------------
kernel BUG at fs/btrfs/volumes.c:1057!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 19287 Comm: syz-executor.2 Not tainted 4.19.167-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:btrfs_close_one_device fs/btrfs/volumes.c:1057 [inline]
RIP: 0010:close_fs_devices.part.0+0x674/0x860 fs/btrfs/volumes.c:1081
Code: 03 0f 8e 10 01 00 00 48 8b 44 24 10 c7 80 10 01 00 00 00 00 00 00 48 83 c4 40 5b 5d 41 5c 41 5d 41 5e 41 5f c3 e8 9c 9c 6c fe <0f> 0b e8 95 9c 6c fe 0f 0b e8 4e c5 a2 fe e9 f8 fb ff ff 4c 89 f7
RSP: 0018:ffff88804ba9f840 EFLAGS: 00010246
RAX: 0000000000040000 RBX: ffff88809ec0c040 RCX: ffffc90009f49000
RDX: 0000000000040000 RSI: ffffffff82f83564 RDI: 0000000000000007
RBP: ffff8880ae22a180 R08: 0000000000000000 R09: fffffffffffff000
R10: 0000000000000007 R11: 0000000000000000 R12: dffffc0000000000
R13: ffff88809ec0c0e0 R14: ffff88809ec0c060 R15: fffffffffffffff4
FS:  00007f4a17aac700(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000564bec756978 CR3: 00000000aa8b8000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 close_fs_devices fs/btrfs/volumes.c:1113 [inline]
 btrfs_close_devices+0x95/0x1f0 fs/btrfs/volumes.c:1099
 btrfs_mount_root+0x10b9/0x1830 fs/btrfs/super.c:1630
 mount_fs+0xa3/0x30c fs/super.c:1261
 vfs_kern_mount.part.0+0x68/0x470 fs/namespace.c:961
 vfs_kern_mount+0x3c/0x60 fs/namespace.c:951
 btrfs_mount+0x23a/0xa93 fs/btrfs/super.c:1681
 mount_fs+0xa3/0x30c fs/super.c:1261
 vfs_kern_mount.part.0+0x68/0x470 fs/namespace.c:961
 vfs_kern_mount fs/namespace.c:951 [inline]
 do_new_mount fs/namespace.c:2469 [inline]
 do_mount+0x113c/0x2f10 fs/namespace.c:2799
 ksys_mount+0xcf/0x130 fs/namespace.c:3015
 __do_sys_mount fs/namespace.c:3029 [inline]
 __se_sys_mount fs/namespace.c:3026 [inline]
 __x64_sys_mount+0xba/0x150 fs/namespace.c:3026
 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x460c6a
Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 ad 89 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 8a 89 fb ff c3 66 0f 1f 84 00 00 00 00 00
RSP: 002b:00007f4a17aaba78 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f4a17aabb10 RCX: 0000000000460c6a
RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007f4a17aabad0
RBP: 00007f4a17aabad0 R08: 00007f4a17aabb10 R09: 0000000020000000
R10: 0000000000000000 R11: 0000000000000202 R12: 0000000020000000
R13: 0000000020000100 R14: 0000000020000200 R15: 00000000200000c0
Modules linked in:
---[ end trace bfac90a40463675b ]---
RIP: 0010:btrfs_close_one_device fs/btrfs/volumes.c:1057 [inline]
RIP: 0010:close_fs_devices.part.0+0x674/0x860 fs/btrfs/volumes.c:1081
Code: 03 0f 8e 10 01 00 00 48 8b 44 24 10 c7 80 10 01 00 00 00 00 00 00 48 83 c4 40 5b 5d 41 5c 41 5d 41 5e 41 5f c3 e8 9c 9c 6c fe <0f> 0b e8 95 9c 6c fe 0f 0b e8 4e c5 a2 fe e9 f8 fb ff ff 4c 89 f7
RSP: 0018:ffff88804ba9f840 EFLAGS: 00010246
RAX: 0000000000040000 RBX: ffff88809ec0c040 RCX: ffffc90009f49000
RDX: 0000000000040000 RSI: ffffffff82f83564 RDI: 0000000000000007
RBP: ffff8880ae22a180 R08: 0000000000000000 R09: fffffffffffff000
R10: 0000000000000007 R11: 0000000000000000 R12: dffffc0000000000
R13: ffff88809ec0c0e0 R14: ffff88809ec0c060 R15: fffffffffffffff4
FS:  00007f4a17aac700(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f10a13f2000 CR3: 00000000aa8b8000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400