BTRFS info (device loop4): using free space tree
BTRFS info (device loop4): has skinny extents
BTRFS info (device loop4): using free space tree
BTRFS info (device loop4): has skinny extents
------------[ cut here ]------------
WARNING: CPU: 0 PID: 9709 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: 0 PID: 9709 Comm: syz-executor.2 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
BTRFS error (device loop4): fail to start transaction for status update: -28
 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: 0000:ffff888092157958 EFLAGS: 00010297
RAX: ffff88809ae6e400 RBX: ffff8880b39a2380 RCX: 0000000000002000
RDX: 0000000000000000 RSI: 0000000000002000 RDI: ffff8880b39a2ca0
RBP: 0000000000002000 R08: ffffffff8b9db1c8 R09: 0000000000000002
R10: 0000000000000000 R11: ffff88809ae6e400 R12: ffff8880a4b88e40
R13: 0000000000000005 R14: ffff8880b39a28d8 R15: 0000000000000002
 start_transaction+0x637/0xf30 fs/btrfs/transaction.c:609
 btrfs_setsize fs/btrfs/inode.c:5221 [inline]
 btrfs_setattr+0x1fa/0x870 fs/btrfs/inode.c:5295
 notify_change+0x56b/0xd10 fs/attr.c:315
 do_truncate+0xff/0x1a0 fs/open.c:63
 handle_truncate fs/namei.c:3010 [inline]
 do_last fs/namei.c:3437 [inline]
 path_openat+0x1dcc/0x2970 fs/namei.c:3571
 do_filp_open+0x179/0x3c0 fs/namei.c:3605
 do_sys_open+0x296/0x410 fs/open.c:1081
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x5e/0xd3
RIP: 0033:0x7ff25749a0c9
RSP: 002b:00007ff25680c168 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007ff2575b9f80 RCX: 00007ff25749a0c9
RDX: 0000000000000241 RSI: 0000000020000000 RDI: ffffffffffffff9c
RBP: 00007ff2574f5ae9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffe73ddecef R14: 00007ff25680c300 R15: 0000000000022000
Kernel Offset: disabled
Rebooting in 86400 seconds..