RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007fff4d6b53b0
RBP: 00007fff4d6b53b0 R08: 00007fff4d6b53f0 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000282 R12: 00000000200009d8
R13: 0000000000000004 R14: 0000000000000005 R15: 0000000000000001
------------[ cut here ]------------
kernel BUG at fs/btrfs/volumes.c:1061!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 8132 Comm: syz-executor279 Not tainted 4.19.211-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:1061 [inline]
RIP: 0010:close_fs_devices.part.0+0x6b0/0x8e0 fs/btrfs/volumes.c:1085
Code: 03 0f 8e 27 01 00 00 48 8b 44 24 20 c7 80 10 01 00 00 00 00 00 00 48 83 c4 48 5b 5d 41 5c 41 5d 41 5e 41 5f c3 e8 70 ad 71 fe <0f> 0b e8 69 ad 71 fe 0f 0b e8 22 8d a7 fe e9 17 fd ff ff 48 8b 7c
RSP: 0018:ffff8880b2ac7838 EFLAGS: 00010293
RAX: ffff888095772500 RBX: 0000000000000001 RCX: ffffffff82f0d3c5
RDX: 0000000000000000 RSI: ffffffff82f0d800 RDI: 0000000000000007
RBP: ffff8880b1b0a700 R08: 0000000000000000 R09: fffffffffffff000
R10: 0000000000000007 R11: 0000000000000000 R12: 0000000000000000
R13: fffffffffffffff4 R14: dffffc0000000000 R15: ffff8880b32ed6c0
FS:  0000555555a1c300(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fff4d6b6000 CR3: 00000000aafe2000 CR4: 00000000003406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 close_fs_devices fs/btrfs/volumes.c:1117 [inline]
 btrfs_close_devices+0x95/0x1f0 fs/btrfs/volumes.c:1103
 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: 0033:0x7fae750e9f2a
Code: 48 c7 c2 c0 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 a8 00 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 c0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fff4d6b5398 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007fff4d6b53f0 RCX: 00007fae750e9f2a
RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007fff4d6b53b0
RBP: 00007fff4d6b53b0 R08: 00007fff4d6b53f0 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000282 R12: 00000000200009d8
R13: 0000000000000004 R14: 0000000000000005 R15: 0000000000000001
Modules linked in:
---[ end trace 80416c8a5345a980 ]---
RIP: 0010:btrfs_close_one_device fs/btrfs/volumes.c:1061 [inline]
RIP: 0010:close_fs_devices.part.0+0x6b0/0x8e0 fs/btrfs/volumes.c:1085
Code: 03 0f 8e 27 01 00 00 48 8b 44 24 20 c7 80 10 01 00 00 00 00 00 00 48 83 c4 48 5b 5d 41 5c 41 5d 41 5e 41 5f c3 e8 70 ad 71 fe <0f> 0b e8 69 ad 71 fe 0f 0b e8 22 8d a7 fe e9 17 fd ff ff 48 8b 7c
RSP: 0018:ffff8880b2ac7838 EFLAGS: 00010293
RAX: ffff888095772500 RBX: 0000000000000001 RCX: ffffffff82f0d3c5
RDX: 0000000000000000 RSI: ffffffff82f0d800 RDI: 0000000000000007
RBP: ffff8880b1b0a700 R08: 0000000000000000 R09: fffffffffffff000
R10: 0000000000000007 R11: 0000000000000000 R12: 0000000000000000
R13: fffffffffffffff4 R14: dffffc0000000000 R15: ffff8880b32ed6c0
FS:  0000555555a1c300(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fa3ef5c5000 CR3: 00000000aafe2000 CR4: 00000000003406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400