------------[ cut here ]------------
btrfs_abort_should_print_stack(__error)
WARNING: fs/btrfs/volumes.c:3013 at btrfs_init_new_device+0x1913/0x19e0 fs/btrfs/volumes.c:3013, CPU#0: syz.8.502/10752
Modules linked in:
CPU: 0 UID: 0 PID: 10752 Comm: syz.8.502 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
RIP: 0010:btrfs_init_new_device+0x1913/0x19e0 fs/btrfs/volumes.c:3013
Code: 00 00 41 83 fe f4 0f 85 d8 00 00 00 e8 d6 c3 b4 fd e9 d7 00 00 00 e8 cc c3 b4 fd eb 10 e8 c5 c3 b4 fd eb 09 e8 be c3 b4 fd 90 <0f> 0b 90 44 89 f1 f7 d9 e9 7b fc ff ff 89 d9 80 e1 07 38 c1 0f 8c
RSP: 0018:ffffc900050b7da8 EFLAGS: 00010293
RAX: ffffffff84110472 RBX: ffff888033174001 RCX: ffff888020741f00
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: dffffc0000000000 R08: ffff888020741f00 R09: 0000000000000003
R10: 0000000000000100 R11: 00000000fffffffb R12: ffff888033174e40
R13: 0000000000000002 R14: 00000000ffffffef R15: ffff888033174000
FS:  00007fa59ff256c0(0000) GS:ffff888125c46000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055c7f7466218 CR3: 000000005ccfe000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 btrfs_ioctl_add_dev+0x1ad/0x640 fs/btrfs/ioctl.c:2558
 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:63 [inline]
 do_syscall_64+0x174/0x580 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fa5a1cee0d9
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:00007fa59ff25028 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007fa5a1f76090 RCX: 00007fa5a1cee0d9
RDX: 0000200000001000 RSI: 000000005000940a RDI: 0000000000000004
RBP: 00007fa5a1d85024 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fa5a1f76128 R14: 00007fa5a1f76090 R15: 00007fff68bd5688
 </TASK>