------------[ cut here ]------------
kernel BUG at fs/btrfs/volumes.c:1275!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 16880 Comm: syz-executor.0 Not tainted 5.3.0-rc6+ #94
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:btrfs_close_one_device fs/btrfs/volumes.c:1275 [inline]
RIP: 0010:close_fs_devices+0x8ff/0x910 fs/btrfs/volumes.c:1300
Code: 8b 5d c0 e9 4f ff ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 63 ff ff ff 48 89 df e8 fb 17 fb fe e9 56 ff ff ff e8 11 1f c2 fe <0f> 0b e8 0a 1f c2 fe 0f 0b 0f 1f 84 00 00 00 00 00 55 48 89 e5 41
RSP: 0018:ffff888092cd7990 EFLAGS: 00010246
RAX: ffffffff82b16b9f RBX: ffff88809701bbe8 RCX: 0000000000040000
RDX: ffffc90005bb7000 RSI: 000000000003ffff RDI: 0000000000040000
RBP: ffff888092cd7a20 R08: ffffffff82b24018 R09: fffffbfff11204fa
R10: fffffbfff11204fa R11: 0000000000000000 R12: dffffc0000000000
R13: ffff88809701bbf0 R14: ffff88809701bb00 R15: ffff88809030d300
FS:  00007fa3e460c700(0000) GS:ffff8880aeb00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffc541cced8 CR3: 00000000a3911000 CR4: 00000000001426e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 btrfs_close_devices+0x33/0x130 fs/btrfs/volumes.c:1318
 btrfs_mount_root+0xa9d/0x1050 fs/btrfs/super.c:1572
 legacy_get_tree+0xf9/0x1a0 fs/fs_context.c:661
 vfs_get_tree+0x8f/0x380 fs/super.c:1413
 fc_mount fs/namespace.c:962 [inline]
 vfs_kern_mount+0xc2/0x160 fs/namespace.c:992
 btrfs_mount+0x34f/0x18f0 fs/btrfs/super.c:1619
 legacy_get_tree+0xf9/0x1a0 fs/fs_context.c:661
 vfs_get_tree+0x8f/0x380 fs/super.c:1413
 do_new_mount fs/namespace.c:2791 [inline]
 do_mount+0x169d/0x2490 fs/namespace.c:3111
 ksys_mount+0xcc/0x100 fs/namespace.c:3320
 __do_sys_mount fs/namespace.c:3334 [inline]
 __se_sys_mount fs/namespace.c:3331 [inline]
 __x64_sys_mount+0xbf/0xd0 fs/namespace.c:3331
 do_syscall_64+0xfe/0x140 arch/x86/entry/common.c:296
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x45c2ca
Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 9d 8d 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 7a 8d fb ff c3 66 0f 1f 84 00 00 00 00 00
RSP: 002b:00007fa3e460ba88 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007fa3e460bb40 RCX: 000000000045c2ca
RDX: 00007fa3e460bae0 RSI: 0000000020000100 RDI: 00007fa3e460bb00
RBP: 0000000000000001 R08: 00007fa3e460bb40 R09: 00007fa3e460bae0
R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000004
R13: 00000000004c8980 R14: 00000000004df898 R15: 0000000000000003
Modules linked in:
---[ end trace db87098d28b8c3aa ]---
RIP: 0010:btrfs_close_one_device fs/btrfs/volumes.c:1275 [inline]
RIP: 0010:close_fs_devices+0x8ff/0x910 fs/btrfs/volumes.c:1300
Code: 8b 5d c0 e9 4f ff ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 63 ff ff ff 48 89 df e8 fb 17 fb fe e9 56 ff ff ff e8 11 1f c2 fe <0f> 0b e8 0a 1f c2 fe 0f 0b 0f 1f 84 00 00 00 00 00 55 48 89 e5 41
RSP: 0018:ffff888092cd7990 EFLAGS: 00010246
RAX: ffffffff82b16b9f RBX: ffff88809701bbe8 RCX: 0000000000040000
RDX: ffffc90005bb7000 RSI: 000000000003ffff RDI: 0000000000040000
RBP: ffff888092cd7a20 R08: ffffffff82b24018 R09: fffffbfff11204fa
R10: fffffbfff11204fa R11: 0000000000000000 R12: dffffc0000000000
R13: ffff88809701bbf0 R14: ffff88809701bb00 R15: ffff88809030d300
FS:  00007fa3e460c700(0000) GS:ffff8880aeb00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000000070f158 CR3: 00000000a3911000 CR4: 00000000001426e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400