Backtrace

WARNING: CPU: 3 PID: 4659 at fs/btrfs/extent-tree.c:2380 btrfs_cross_ref_exist+0x9a/0xb0
Modules linked in: uinput xt_CHECKSUM xt_MASQUERADE xt_conntrack ipt_REJECT nf_nat_tftp nf_conntrack_tftp tun bridge stp llc nft_objref nf_conntrack_netbios_ns nf_conntrack_broadcast nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nft_chain_nat ip6table_nat ip6table_mangle ip6table_raw ip6table_security iptable_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 iptable_mangle iptable_raw iptable_security ip_set uvcvideo snd_hda_codec_realtek nf_tables snd_hda_codec_generic videobuf2_vmalloc nfnetlink ip6table_filter ip6_tables ledtrig_audio iptable_filter snd_hda_codec_hdmi videobuf2_memops videobuf2_v4l2 videobuf2_common intel_rapl_msr intel_rapl_common snd_hda_intel snd_intel_dspcfg snd_intel_sdw_acpi snd_hda_codec x86_pkg_temp_thermal snd_usb_audio snd_hda_core videodev snd_seq snd_usbmidi_lib snd_hwdep snd_rawmidi mc snd_seq_device intel_powerclamp snd_pcm snd_timer sunrpc iTCO_wdt joydev coretemp
 kvm_intel intel_pmc_bxt kvm snd irqbypass rapl intel_cstate intel_uncore iTCO_vendor_support at24 eeepc_wmi i2c_i801 ppdev asus_wmi sparse_keymap rfkill soundcore wmi_bmof i2c_smbus pcspkr mei_me lpc_ich parport_pc mei parport zram ip_tables ata_generic pata_acpi radeon hid_waltop crct10dif_pclmul crc32_pclmul crc32c_intel i2c_algo_bit drm_ttm_helper ttm drm_kms_helper ghash_clmulni_intel cec serio_raw drm firewire_ohci firewire_core r8169 pata_jmicron crc_itu_t wmi video uas usb_storage fuse
CPU: 3 PID: 4659 Comm: btrfs Not tainted 5.14.18-100.fc33.x86_64 #1
Hardware name: System manufacturer System Product Name/P8P67-M, BIOS 3602 04/24/2012
RIP: 0010:btrfs_cross_ref_exist+0x9a/0xb0
Code: 89 44 24 04 e8 f7 41 ff ff 48 83 bb df 01 00 00 f7 8b 44 24 04 75 04 85 c0 7f 0f 48 83 c4 08 5b 5d 41 5c 41 5d 41 5e 41 5f c3 <0f> 0b eb ed b8 f4 ff ff ff eb e6 66 66 2e 0f 1f 84 00 00 00 00 00
RSP: 0018:ffffa23688ecf8b0 EFLAGS: 00010202
RAX: 0000000000000001 RBX: ffff8b1e7bc05000 RCX: ffffffff8e6096e3
RDX: 000000000043302f RSI: ffffffff8d4ac4b9 RDI: 00003715f1002a00
RBP: 0000000000000104 R08: 0000000000004000 R09: ffff8b1ed0b8e9a0
R10: ffff8b1ed0b8e9a0 R11: 0000000000000000 R12: 0000000000177000
R13: 0000000641923000 R14: 0000000000000000 R15: ffff8b1ed0b8e9a0
FS:  00007f07edaf32c0(0000) GS:ffff8b208ed80000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fe114e8f8a0 CR3: 000000026c260002 CR4: 00000000000606e0
Call Trace:
 run_delalloc_nocow+0x435/0x960
 btrfs_run_delalloc_range+0x6f/0x650
 ? find_lock_delalloc_range+0x1c3/0x1e0
 writepage_delalloc+0x9e/0x150
 __extent_writepage+0x1ab/0x2c0
 extent_write_cache_pages+0x254/0x3d0
 extent_writepages+0x44/0xa0
 do_writepages+0x28/0xa0
 ? wbc_attach_and_unlock_inode+0xb5/0x140
 __filemap_fdatawrite_range+0xa7/0xe0
 btrfs_fdatawrite_range+0x1b/0x50
 btrfs_wait_ordered_range+0x44/0x1e0
 btrfs_relocate_block_group+0x30b/0x340
 btrfs_relocate_chunk+0x27/0xe0
 btrfs_balance+0x727/0xe70
 btrfs_ioctl_balance+0x2cf/0x380
 __x64_sys_ioctl+0x83/0xb0
 do_syscall_64+0x3b/0x90
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7f07edc06f7b
Code: 89 d8 49 8d 3c 1c 48 f7 d8 4c 39 e0 77 b5 e8 1c ff ff ff 85 c0 78 ba 4c 89 e0 5b 5d 41 5c c3 f3 0f 1e fa b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d cd be 0c 00 f7 d8 64 89 01 48
RSP: 002b:00007ffe7d0a1918 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f07edaf30a8 RCX: 00007f07edc06f7b
RDX: 00007ffe7d0a19b0 RSI: 00000000c4009420 RDI: 0000000000000003
RBP: 0000000000000003 R08: 0000000000000002 R09: 00007f07edc980c0
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe7d0a270e
R13: 0000000000000000 R14: 00007ffe7d0a19b0 R15: 0000000000000000