RDX: 0000000000000000 RSI: 0000000000438001 RDI: 0000000020000000
RBP: 00007fff051808e0 R08: 0000000000000002 R09: 00007fff051808f0
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004
R13: 00007fff05180920 R14: 00007fff05180900 R15: 0000000000000036
------------[ cut here ]------------
WARNING: CPU: 0 PID: 7991 at fs/btrfs/extent-tree.c:10028 btrfs_free_block_groups+0x713/0xc50 fs/btrfs/extent-tree.c:10028
Kernel panic - not syncing: panic_on_warn set ...

CPU: 0 PID: 7991 Comm: syz-executor725 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_free_block_groups+0x713/0xc50 fs/btrfs/extent-tree.c:10028
RSP: 0018:ffff888095967c20 EFLAGS: 00010297
RAX: ffff8880b34404c0 RBX: 0000000000000000 RCX: ffffed1013c0fa8b
RDX: 0000000000000000 RSI: ffff88809e07d458 RDI: ffff8880b2ccd6d8
RBP: ffff88809e07c100 R08: ffffffff8b9d2078 R09: 0000000000000001
R10: 0000000000000000 R11: ffff8880b34404c0 R12: ffff8880b2ccd768
R13: dffffc0000000000 R14: ffff8880b2e2a900 R15: 1ffff11013c0fa8b
 close_ctree+0x33d/0x840 fs/btrfs/disk-io.c:3821
 generic_shutdown_super+0x144/0x370 fs/super.c:446
 kill_anon_super+0x36/0x90 fs/super.c:1006
 btrfs_kill_super+0x49/0x540 fs/btrfs/super.c:2163
 deactivate_locked_super+0x6c/0xd0 fs/super.c:319
 deactivate_super+0x7f/0xa0 fs/super.c:350
 cleanup_mnt+0x186/0x2c0 fs/namespace.c:1183
 task_work_run+0x11f/0x190 kernel/task_work.c:113
 tracehook_notify_resume include/linux/tracehook.h:191 [inline]
 exit_to_usermode_loop+0x1ad/0x200 arch/x86/entry/common.c:164
 prepare_exit_to_usermode arch/x86/entry/common.c:199 [inline]
 syscall_return_slowpath arch/x86/entry/common.c:270 [inline]
 do_syscall_64+0x4a3/0x640 arch/x86/entry/common.c:297
 entry_SYSCALL_64_after_hwframe+0x5e/0xd3
RIP: 0033:0x7feb0bda3df7
RSP: 002b:00007fff0517f7c8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007feb0bda3df7
RDX: 00007fff0517f888 RSI: 000000000000000a RDI: 00007fff0517f880
RBP: 00007fff0517f880 R08: 00000000ffffffff R09: 00007fff0517f660
R10: 0000555556340683 R11: 0000000000000202 R12: 00007fff05180900
R13: 00005555563405f0 R14: 00007fff0517f7f0 R15: 0000000000000037
Kernel Offset: disabled
Rebooting in 86400 seconds..