__btrfs_alloc_chunk: found more than 0 devices
XFS (loop4): DAX enabled. Warning: EXPERIMENTAL, use at your own risk
------------[ cut here ]------------
WARNING: CPU: 1 PID: 441 at fs/btrfs/volumes.c:4726 __btrfs_alloc_chunk.cold+0x23/0x50 fs/btrfs/volumes.c:4726
XFS (loop4): DAX unsupported by block device. Turning off DAX.
Kernel panic - not syncing: kernel: panic_on_warn set ...

CPU: 1 PID: 441 Comm: kworker/u4:3 Not tainted 4.14.305-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023
Workqueue: events_unbound btrfs_async_reclaim_metadata_space
XFS (loop4): Mounting V4 Filesystem
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x1b2/0x281 lib/dump_stack.c:58
 panic+0x21d/0x451 kernel/panic.c:247
 check_panic_on_warn.cold+0x19/0x35 kernel/panic.c:171
 __warn+0xdf/0x1e0 kernel/panic.c:603
XFS (loop4): Ending clean mount
 report_bug+0x208/0x250 lib/bug.c:183
 fixup_bug arch/x86/kernel/traps.c:177 [inline]
 fixup_bug arch/x86/kernel/traps.c:172 [inline]
 do_error_trap+0x195/0x2d0 arch/x86/kernel/traps.c:295
XFS (loop4): Quotacheck needed: Please wait.
 invalid_op+0x1b/0x40 arch/x86/entry/entry_64.S:967
RIP: 0010:__btrfs_alloc_chunk.cold+0x23/0x50 fs/btrfs/volumes.c:4726
RSP: 0018:ffff8880b4a079c0 EFLAGS: 00010286
XFS (loop4): Quotacheck: Done.
RAX: 000000000000002e RBX: ffff888097f4bb40 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff878bd360 RDI: ffffed1016940f2e
RBP: dffffc0000000000 R08: 000000000000002e R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffff88809b9c1de8
R13: 0000000001000000 R14: 00000000007e0000 R15: 0000000000720000
syz-executor.4 (9902) used greatest stack depth: 23960 bytes left
 do_chunk_alloc+0x2fa/0x800 fs/btrfs/extent-tree.c:4707
 flush_space+0x8d4/0xde0 fs/btrfs/extent-tree.c:5043
 btrfs_async_reclaim_metadata_space+0x414/0xc20 fs/btrfs/extent-tree.c:5162
 process_one_work+0x793/0x14a0 kernel/workqueue.c:2117
 worker_thread+0x5cc/0xff0 kernel/workqueue.c:2251
 kthread+0x30d/0x420 kernel/kthread.c:232
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:406
Kernel Offset: disabled
Rebooting in 86400 seconds..