------------[ cut here ]------------
kernel BUG at fs/btrfs/volumes.c:1058!
ISOFS: unable to read i-node block
isofs_fill_super: get root inode failed
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 841 Comm: syz-executor.0 Not tainted 4.19.205-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:1058 [inline]
RIP: 0010:close_fs_devices.part.0+0x674/0x860 fs/btrfs/volumes.c:1082
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 2c b6 71 fe <0f> 0b e8 25 b6 71 fe 0f 0b e8 ae 8a a7 fe e9 f8 fb ff ff 4c 89 f7
RSP: 0018:ffff8880402af840 EFLAGS: 00010246
RAX: 0000000000040000 RBX: ffff8880a086f680 RCX: ffffc900131b3000
RDX: 0000000000040000 RSI: ffffffff82f0dc94 RDI: 0000000000000007
RBP: ffff88808fbd6000 R08: 0000000000000000 R09: fffffffffffff000
R10: 0000000000000007 R11: 0000000000000000 R12: dffffc0000000000
R13: ffff8880a086f720 R14: ffff8880a086f6a0 R15: fffffffffffffff4
FS:  00007f4b78910700(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f2863901000 CR3: 000000009d4f9000 CR4: 00000000001426e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 close_fs_devices fs/btrfs/volumes.c:1114 [inline]
 btrfs_close_devices+0x95/0x1f0 fs/btrfs/volumes.c:1100
 btrfs_mount_root+0x10b9/0x1830 fs/btrfs/super.c:1630
 mount_fs+0xa3/0x310 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/0xaa0 fs/btrfs/super.c:1681
 mount_fs+0xa3/0x310 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:2492 [inline]
 do_mount+0x115c/0x2f50 fs/namespace.c:2822
 ksys_mount+0xcf/0x130 fs/namespace.c:3038
 __do_sys_mount fs/namespace.c:3052 [inline]
 __se_sys_mount fs/namespace.c:3049 [inline]
 __x64_sys_mount+0xba/0x150 fs/namespace.c:3049
 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x467b1a
Code: 48 c7 c2 bc ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 b8 04 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f4b7890ffa8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 0000000000467b1a
RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007f4b78910000
RBP: 00007f4b78910040 R08: 00007f4b78910040 R09: 0000000020000000
R10: 0000000000000000 R11: 0000000000000202 R12: 0000000020000000
R13: 0000000020000100 R14: 00007f4b78910000 R15: 00000000200006c0
Modules linked in:
---[ end trace 5487395643b4c11e ]---
RIP: 0010:btrfs_close_one_device fs/btrfs/volumes.c:1058 [inline]
RIP: 0010:close_fs_devices.part.0+0x674/0x860 fs/btrfs/volumes.c:1082
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 2c b6 71 fe <0f> 0b e8 25 b6 71 fe 0f 0b e8 ae 8a a7 fe e9 f8 fb ff ff 4c 89 f7
RSP: 0018:ffff8880402af840 EFLAGS: 00010246
RAX: 0000000000040000 RBX: ffff8880a086f680 RCX: ffffc900131b3000
RDX: 0000000000040000 RSI: ffffffff82f0dc94 RDI: 0000000000000007
RBP: ffff88808fbd6000 R08: 0000000000000000 R09: fffffffffffff000
R10: 0000000000000007 R11: 0000000000000000 R12: dffffc0000000000
R13: ffff8880a086f720 R14: ffff8880a086f6a0 R15: fffffffffffffff4
FS:  00007f4b78910700(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000970004 CR3: 000000009d4f9000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400