invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 1809 Comm: syz-executor.3 Not tainted 5.1.0-rc7+ #96
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:btrfs_close_one_device fs/btrfs/volumes.c:1281 [inline]
RIP: 0010:close_fs_devices.part.0+0x5c6/0x790 fs/btrfs/volumes.c:1300
Code: 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 21 ad c6 fe 0f 0b e8 1a ad c6 fe <0f> 0b e8 13 ad c6 fe 0f 0b e9 16 ff ff ff e8 07 ad c6 fe 0f 0b e9
RSP: 0018:ffff888056377770 EFLAGS: 00010206
RAX: 0000000000040000 RBX: 0000000000000000 RCX: ffffc9000c442000
RDX: 0000000000014fb0 RSI: ffffffff82a9df96 RDI: 0000000000000286
RBP: ffff8880563777e0 R08: ffff8880a3952240 R09: ffffed1015d05bc8
R10: ffffed1015d05bc7 R11: ffff8880ae82de3b R12: ffff88809aa24910
R13: dffffc0000000000 R14: ffff888093cc3240 R15: ffff8880905ef680
FS:  00007f28458cf700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 0000000094f62000 CR4: 00000000001426f0
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
 legacy_get_tree+0xf2/0x200 fs/fs_context.c:584
 vfs_get_tree+0x123/0x450 fs/super.c:1481
 fc_mount+0x17/0xc0 fs/namespace.c:982
 vfs_kern_mount.part.0+0xd8/0xf0 fs/namespace.c:1012
 vfs_kern_mount+0x40/0x60 fs/namespace.c:999
 btrfs_mount+0x2b4/0x15e2 fs/btrfs/super.c:1620
 legacy_get_tree+0xf2/0x200 fs/fs_context.c:584
 vfs_get_tree+0x123/0x450 fs/super.c:1481
 do_new_mount fs/namespace.c:2622 [inline]
 do_mount+0x1436/0x2c40 fs/namespace.c:2942
 ksys_mount+0xdb/0x150 fs/namespace.c:3151
 __do_sys_mount fs/namespace.c:3165 [inline]
 __se_sys_mount fs/namespace.c:3162 [inline]
 __x64_sys_mount+0xbe/0x150 fs/namespace.c:3162
 do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x45b81a
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:00007f28458cea88 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f28458ceb40 RCX: 000000000045b81a
RDX: 00007f28458ceae0 RSI: 0000000020000040 RDI: 00007f28458ceb00
RBP: 0000000000000001 R08: 00007f28458ceb40 R09: 00007f28458ceae0
R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000004
R13: 00000000004c7853 R14: 00000000004dd868 R15: 0000000000000003
Modules linked in:
---[ end trace 0713cc169ba3c9f3 ]---
RIP: 0010:btrfs_close_one_device fs/btrfs/volumes.c:1281 [inline]
RIP: 0010:close_fs_devices.part.0+0x5c6/0x790 fs/btrfs/volumes.c:1300
Code: 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 21 ad c6 fe 0f 0b e8 1a ad c6 fe <0f> 0b e8 13 ad c6 fe 0f 0b e9 16 ff ff ff e8 07 ad c6 fe 0f 0b e9
RSP: 0018:ffff888056377770 EFLAGS: 00010206
RAX: 0000000000040000 RBX: 0000000000000000 RCX: ffffc9000c442000
RDX: 0000000000014fb0 RSI: ffffffff82a9df96 RDI: 0000000000000286
RBP: ffff8880563777e0 R08: ffff8880a3952240 R09: ffffed1015d05bc8
R10: ffffed1015d05bc7 R11: ffff8880ae82de3b R12: ffff88809aa24910
R13: dffffc0000000000 R14: ffff888093cc3240 R15: ffff8880905ef680
FS:  00007f28458cf700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000940004 CR3: 0000000094f62000 CR4: 00000000001426f0