BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop1
BTRFS info (device loop1): using free space tree
BTRFS info (device loop1): has skinny extents
F2FS-fs (loop2): Found nat_bits in checkpoint
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WARNING: CPU: 1 PID: 10305 at fs/btrfs/qgroup.c:3095 btrfs_qgroup_free_meta+0x3db/0x4d0 fs/btrfs/qgroup.c:3095
Kernel panic - not syncing: panic_on_warn set ...

CPU: 1 PID: 10305 Comm: syz-executor.1 Not tainted 4.14.302-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x1b2/0x281 lib/dump_stack.c:58
 panic+0x1f9/0x42d kernel/panic.c:183
 __warn.cold+0x20/0x44 kernel/panic.c:547
 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
 invalid_op+0x1b/0x40 arch/x86/entry/entry_64.S:967
RIP: 0010:btrfs_qgroup_free_meta+0x3db/0x4d0 fs/btrfs/qgroup.c:3095
RSP: 0018:ffff88804724fc88 EFLAGS: 00010216
RAX: 0000000000040000 RBX: ffff88809b38c200 RCX: ffffc900069fd000
RDX: 00000000000008aa RSI: ffffffff82b3af0b RDI: ffff88809b38cb20
RBP: 0000000000005000 R08: ffffffff8b9d77a8 R09: 0000000000000002
R10: 0000000000000000 R11: ffff88809bdd8280 R12: ffff888045f546c0
R13: 0000000000000005 R14: ffff88809b38c758 R15: 0000000000000002
 start_transaction+0x637/0xf30 fs/btrfs/transaction.c:609
 btrfs_create+0xf6/0x5d0 fs/btrfs/inode.c:6761
 vfs_create+0x3e3/0x620 fs/namei.c:2935
 SYSC_mknodat fs/namei.c:3806 [inline]
 SyS_mknodat+0x2f4/0x470 fs/namei.c:3783
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x5e/0xd3
RIP: 0033:0x7f771aba70d9
RSP: 002b:00007f7719119168 EFLAGS: 00000246 ORIG_RAX: 0000000000000103
RAX: ffffffffffffffda RBX: 00007f771acc6f80 RCX: 00007f771aba70d9
RDX: 0000000000000200 RSI: 0000000020000040 RDI: 0000000000000006
RBP: 00007f771ac02ae9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000103 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffec0a8736f R14: 00007f7719119300 R15: 0000000000022000
Kernel Offset: disabled
Rebooting in 86400 seconds..