BTRFS info (device loop1): using free space tree
BTRFS info (device loop1): has skinny extents
------------[ cut here ]------------
WARNING: CPU: 1 PID: 9917 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: 9917 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:ffff88805a5d7c50 EFLAGS: 00010216
RAX: 0000000000040000 RBX: ffff888059d0a340 RCX: ffffc900073ea000
RDX: 0000000000000ff1 RSI: ffffffff82b3af0b RDI: ffff888059d0ac60
RBP: 0000000000005000 R08: ffffffff8b9dab90 R09: 0000000000000003
R10: 0000000000000000 R11: ffff88805a4c86c0 R12: ffff88805a2fc700
R13: 0000000000000005 R14: ffff888059d0a898 R15: 0000000000000002
 start_transaction+0x637/0xf30 fs/btrfs/transaction.c:609
 btrfs_start_transaction_fallback_global_rsv+0x5b/0x480 fs/btrfs/transaction.c:636
 __unlink_start_trans fs/btrfs/inode.c:4280 [inline]
 btrfs_unlink+0x77/0x2a0 fs/btrfs/inode.c:4290
 vfs_unlink+0x230/0x470 fs/namei.c:4029
 do_unlinkat+0x30c/0x5c0 fs/namei.c:4094
 SYSC_unlinkat fs/namei.c:4136 [inline]
 SyS_unlinkat+0x33/0x70 fs/namei.c:4128
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x5e/0xd3
RIP: 0033:0x7f2a8e8290c9
RSP: 002b:00007f2a8cd9b168 EFLAGS: 00000246 ORIG_RAX: 0000000000000107
RAX: ffffffffffffffda RBX: 00007f2a8e948f80 RCX: 00007f2a8e8290c9
RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000005
RBP: 00007f2a8e884ae9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffcdac2d9af R14: 00007f2a8cd9b300 R15: 0000000000022000
Kernel Offset: disabled
Rebooting in 86400 seconds..