R13: 00007fb439fa6038 R14: 00007fb439fa5fa0 R15: 00007ffd2a23b2e8
 </TASK>
BTRFS warning (device loop2): creating sysfs device link for devid 2 failed: -17
------------[ cut here ]------------
btrfs_abort_should_print_stack(__error)
WARNING: fs/btrfs/volumes.c:3086 at btrfs_init_new_device+0x1bd0/0x1ca0 fs/btrfs/volumes.c:3086, CPU#1: syz.2.884/14627
Modules linked in:
CPU: 1 UID: 0 PID: 14627 Comm: syz.2.884 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026
RIP: 0010:btrfs_init_new_device+0x1bd0/0x1ca0 fs/btrfs/volumes.c:3086
Code: 00 83 7c 24 08 f4 0f 85 d8 00 00 00 e8 d9 40 ac fd e9 d7 00 00 00 e8 cf 40 ac fd eb 10 e8 c8 40 ac fd eb 09 e8 c1 40 ac fd 90 <0f> 0b 90 8b 4c 24 08 f7 d9 e9 42 fc ff ff 89 d9 80 e1 07 38 c1 0f
RSP: 0018:ffffc90004d67d98 EFLAGS: 00010293
RAX: ffffffff841a834f RBX: 00000000ffffffef RCX: ffff88802cb30000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffff88802cb30000 R09: 0000000000000003
R10: 0000000000000100 R11: 00000000fffffffb R12: ffff888026830000
R13: ffff888026830e40 R14: dffffc0000000000 R15: ffff8880562fc088
FS:  00007fb437f766c0(0000) GS:ffff888125cc4000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f4e36974000 CR3: 0000000011478000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 btrfs_ioctl_add_dev+0x1ad/0x640 fs/btrfs/ioctl.c:2571
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:597 [inline]
 __se_sys_ioctl+0xff/0x170 fs/ioctl.c:583
 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline]
 do_syscall_64+0x166/0x520 arch/x86/entry/syscall_64.c:84
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fb439d1e159
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fb437f76028 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007fb439fa5fa0 RCX: 00007fb439d1e159
RDX: 0000200000001000 RSI: 000000005000940a RDI: 0000000000000004
RBP: 00007fb439db506b R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fb439fa6038 R14: 00007fb439fa5fa0 R15: 00007ffd2a23b2e8
 </TASK>