hpfs: hpfs_map_sector(): read error BTRFS info (device loop5): using free space tree BTRFS info (device loop5): has skinny extents ------------[ cut here ]------------ BTRFS error (device loop5): fail to start transaction for status update: -28 WARNING: CPU: 0 PID: 13338 at fs/btrfs/qgroup.c:3095 btrfs_qgroup_free_meta+0x3db/0x4d0 fs/btrfs/qgroup.c:3095 Kernel panic - not syncing: kernel: panic_on_warn set ... CPU: 0 PID: 13338 Comm: syz-executor.5 Not tainted 4.14.307-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/16/2023 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 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:ffff888093f078f0 EFLAGS: 00010216 RAX: 0000000000040000 RBX: ffff888092af4240 RCX: ffffc90006211000 RDX: 000000000000107e RSI: ffffffff82b3b22b RDI: ffff888092af4b60 RBP: 0000000000003000 R08: ffffffff8b9c5170 R09: 0000000000000003 R10: 0000000000000000 R11: ffff8880534ce2c0 R12: ffff8880532f4700 R13: 0000000000000005 R14: ffff888092af4798 R15: 0000000000080000 btrfs_subvolume_reserve_metadata+0x1e6/0x2f0 fs/btrfs/extent-tree.c:5980 create_snapshot fs/btrfs/ioctl.c:720 [inline] btrfs_mksubvol+0x877/0x1000 fs/btrfs/ioctl.c:892 btrfs_ioctl_snap_create_transid+0x38e/0x420 fs/btrfs/ioctl.c:1699 btrfs_ioctl_snap_create+0xf4/0x150 fs/btrfs/ioctl.c:1725 btrfs_ioctl+0x17e5/0x5b20 fs/btrfs/ioctl.c:5612 vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:500 [inline] do_vfs_ioctl+0x75a/0xff0 fs/ioctl.c:684 SYSC_ioctl fs/ioctl.c:701 [inline] SyS_ioctl+0x7f/0xb0 fs/ioctl.c:692 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x5e/0xd3 RIP: 0033:0x7ffa3af340f9 RSP: 002b:00007ffa394a6168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007ffa3b053f80 RCX: 00007ffa3af340f9 RDX: 0000000020002180 RSI: 0000000050009401 RDI: 0000000000000006 RBP: 00007ffa3af8fae9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffee6d1721f R14: 00007ffa394a6300 R15: 0000000000022000 Kernel Offset: disabled Rebooting in 86400 seconds..