RDX: 0000000020000a80 RSI: 0000000050009418 RDI: 0000000000000004
RBP: 00007ffd97d01400 R08: 0000000000000002 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
------------[ cut here ]------------
WARNING: CPU: 0 PID: 7966 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: 7966 Comm: syz-executor426 Not tainted 4.14.301-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:ffff8880b3087b10 EFLAGS: 00010297
RAX: ffff8880b39b6000 RBX: 0000000000000000 RCX: ffffed1016608dfb
RDX: 0000000000000000 RSI: ffff8880b3046fd8 RDI: ffff888098aa3258
RBP: ffff8880b3045c80 R08: ffffffff8ba60dac R09: 0000000000000001
R10: 0000000000000000 R11: ffff8880b39b6000 R12: ffff888098aa32e8
R13: dffffc0000000000 R14: ffff888098aa2d80 R15: 1ffff11016608dfb
 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
 exit_task_work include/linux/task_work.h:22 [inline]
 do_exit+0xa44/0x2850 kernel/exit.c:868
 do_group_exit+0x100/0x2e0 kernel/exit.c:965
 SYSC_exit_group kernel/exit.c:976 [inline]
 SyS_exit_group+0x19/0x20 kernel/exit.c:974
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x5e/0xd3
RIP: 0033:0x7fbe445ecdc9
RSP: 002b:00007ffd97d01398 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007fbe446673f0 RCX: 00007fbe445ecdc9
RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001
RBP: 0000000000000001 R08: ffffffffffffffc0 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fbe446673f0
R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001
Kernel Offset: disabled
Rebooting in 86400 seconds..