invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 21550 Comm: syz-executor.1 Not tainted 5.0.0+ #16
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:btrfs_close_one_device fs/btrfs/volumes.c:1276 [inline]
RIP: 0010:close_fs_devices.part.0+0x5bf/0x790 fs/btrfs/volumes.c:1300
Code: 3c 03 0f 8e 44 01 00 00 48 8b 45 c0 c7 80 30 01 00 00 00 00 00 00 48 83 c4 48 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 91 b6 c7 fe <0f> 0b e8 8a b6 c7 fe 0f 0b e8 83 b6 c7 fe 0f 0b e9 16 ff ff ff e8
RSP: 0018:ffff88805c50f6b0 EFLAGS: 00010206
RAX: 0000000000040000 RBX: ffff888097dbda40 RCX: ffffc90008078000
RDX: 0000000000017ab0 RSI: ffffffff82a8a11f RDI: 0000000000000007
RBP: ffff88805c50f720 R08: ffff8880a44ba500 R09: ffff8880a44badc8
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: dffffc0000000000 R14: ffff88805ba76dc0 R15: fffffffffffffff4
FS:  00007f5eac2a3700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 00000000a0076000 CR4: 00000000001426f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 close_fs_devices fs/btrfs/volumes.c:1332 [inline]
 btrfs_close_devices+0xa0/0x200 fs/btrfs/volumes.c:1318
 btrfs_mount_root+0xf0c/0x1220 fs/btrfs/super.c:1569
 mount_fs+0x106/0x3ff fs/super.c:1258
 vfs_kern_mount.part.0+0x6f/0x410 fs/namespace.c:959
 vfs_kern_mount+0x40/0x60 fs/namespace.c:949
 btrfs_mount+0x2b4/0x15e2 fs/btrfs/super.c:1620
 mount_fs+0x106/0x3ff fs/super.c:1258
 vfs_kern_mount.part.0+0x6f/0x410 fs/namespace.c:959
 vfs_kern_mount fs/namespace.c:949 [inline]
 do_new_mount fs/namespace.c:2515 [inline]
 do_mount+0x581/0x2d30 fs/namespace.c:2847
 ksys_mount+0xdb/0x150 fs/namespace.c:3063
 __do_sys_mount fs/namespace.c:3077 [inline]
 __se_sys_mount fs/namespace.c:3074 [inline]
 __x64_sys_mount+0xbe/0x150 fs/namespace.c:3074
 do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x45a99a
Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 2d 8e 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 0a 8e fb ff c3 66 0f 1f 84 00 00 00 00 00
RSP: 002b:00007f5eac2a2a88 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f5eac2a2b30 RCX: 000000000045a99a
RDX: 00007f5eac2a2ad0 RSI: 0000000020000100 RDI: 00007f5eac2a2af0
RBP: 0000000020000100 R08: 00007f5eac2a2b30 R09: 00007f5eac2a2ad0
R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000004
R13: 0000000000000000 R14: 00000000004dbd18 R15: 0000000000000003
Modules linked in:
---[ end trace 5c31136014103995 ]---
RIP: 0010:btrfs_close_one_device fs/btrfs/volumes.c:1276 [inline]
RIP: 0010:close_fs_devices.part.0+0x5bf/0x790 fs/btrfs/volumes.c:1300
Code: 3c 03 0f 8e 44 01 00 00 48 8b 45 c0 c7 80 30 01 00 00 00 00 00 00 48 83 c4 48 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 91 b6 c7 fe <0f> 0b e8 8a b6 c7 fe 0f 0b e8 83 b6 c7 fe 0f 0b e9 16 ff ff ff e8
RSP: 0018:ffff88805c50f6b0 EFLAGS: 00010206
RAX: 0000000000040000 RBX: ffff888097dbda40 RCX: ffffc90008078000
RDX: 0000000000017ab0 RSI: ffffffff82a8a11f RDI: 0000000000000007
RBP: ffff88805c50f720 R08: ffff8880a44ba500 R09: ffff8880a44badc8
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: dffffc0000000000 R14: ffff88805ba76dc0 R15: fffffffffffffff4
FS:  00007f5eac2a3700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000029fd978 CR3: 00000000a0076000 CR4: 00000000001426e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400