R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000004
R13: 00000000004c86f2 R14: 00000000004df2d8 R15: 0000000000000003
------------[ cut here ]------------
kernel BUG at fs/btrfs/volumes.c:1270!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 30368 Comm: syz-executor.1 Not tainted 5.2.0-rc7+ #13
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:btrfs_close_one_device fs/btrfs/volumes.c:1270 [inline]
RIP: 0010:close_fs_devices+0x99d/0x9b0 fs/btrfs/volumes.c:1295
Code: d7 f2 fe 48 8b 5d b0 e9 66 ff ff ff 89 d9 80 e1 07 80 c1 03 38 c1 7c 83 48 89 df e8 8d d7 f2 fe e9 76 ff ff ff e8 c3 ad b9 fe <0f> 0b e8 bc ad b9 fe 0f 0b 66 2e 0f 1f 84 00 00 00 00 00 55 48 89
RSP: 0018:ffff8880936af648 EFLAGS: 00010246
RAX: ffffffff82bc042d RBX: ffff88808da76128 RCX: 0000000000040000
RDX: ffffc90007fee000 RSI: 000000000003ffff RDI: 0000000000040000
RBP: ffff8880936af6e0 R08: ffff8880984aaf00 R09: fffffbfff1178ed9
R10: fffffbfff1178ed9 R11: 1ffffffff1178ed8 R12: ffff88808da76040
R13: ffff88808da76130 R14: ffff8880a08e5180 R15: ffff88808f515b38
FS:  00007f6e067e7700(0000) GS:ffff8880aea00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000758080 CR3: 000000009911a000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 btrfs_close_devices+0x33/0x130 fs/btrfs/volumes.c:1313
 btrfs_mount_root+0x969/0x1120 fs/btrfs/super.c:1569
 legacy_get_tree+0xf9/0x1a0 fs/fs_context.c:661
 vfs_get_tree+0x8f/0x360 fs/super.c:1476
 fc_mount fs/namespace.c:983 [inline]
 vfs_kern_mount+0xc2/0x160 fs/namespace.c:1013
 btrfs_mount+0x3f0/0x1a70 fs/btrfs/super.c:1620
 legacy_get_tree+0xf9/0x1a0 fs/fs_context.c:661
 vfs_get_tree+0x8f/0x360 fs/super.c:1476
 do_new_mount fs/namespace.c:2791 [inline]
 do_mount+0x1813/0x2730 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:301
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x45c21a
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:00007f6e067e6a88 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f6e067e6b40 RCX: 000000000045c21a
RDX: 00007f6e067e6ae0 RSI: 0000000020000100 RDI: 00007f6e067e6b00
RBP: 0000000000000001 R08: 00007f6e067e6b40 R09: 00007f6e067e6ae0
R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000004
R13: 00000000004c86f2 R14: 00000000004df2d8 R15: 0000000000000003
Modules linked in:
---[ end trace 7c0aee230551065e ]---
RIP: 0010:btrfs_close_one_device fs/btrfs/volumes.c:1270 [inline]
RIP: 0010:close_fs_devices+0x99d/0x9b0 fs/btrfs/volumes.c:1295
Code: d7 f2 fe 48 8b 5d b0 e9 66 ff ff ff 89 d9 80 e1 07 80 c1 03 38 c1 7c 83 48 89 df e8 8d d7 f2 fe e9 76 ff ff ff e8 c3 ad b9 fe <0f> 0b e8 bc ad b9 fe 0f 0b 66 2e 0f 1f 84 00 00 00 00 00 55 48 89
RSP: 0018:ffff8880936af648 EFLAGS: 00010246
RAX: ffffffff82bc042d RBX: ffff88808da76128 RCX: 0000000000040000
RDX: ffffc90007fee000 RSI: 000000000003ffff RDI: 0000000000040000
RBP: ffff8880936af6e0 R08: ffff8880984aaf00 R09: fffffbfff1178ed9
R10: fffffbfff1178ed9 R11: 1ffffffff1178ed8 R12: ffff88808da76040
R13: ffff88808da76130 R14: ffff8880a08e5180 R15: ffff88808f515b38
FS:  00007f6e067e7700(0000) GS:ffff8880aeb00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000000070e158 CR3: 000000009911a000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400