Backtrace

BUG: kernel NULL pointer dereference, address: 0000000000000000
#PF: supervisor write access in kernel mode
#PF: error_code(0x0002) - not-present page
PGD 0 P4D 0 
Oops: 0002 [#1] SMP PTI
CPU: 2 PID: 139 Comm: kswapd0 Tainted: P           OE     5.13.9-200.fc34.x86_64 #1
Hardware name: MSI MS-7808/B75MA-E33 (MS-7808), BIOS V1.7 09/30/2013
RIP: 0010:rb_erase+0x1b0/0x350
Code: e1 fc 0f 84 8f 01 00 00 48 3b 51 10 0f 84 96 01 00 00 48 89 41 08 c3 48 8b 70 10 48 89 d1 48 83 c9 01 48 89 72 08 48 89 50 10 <48> 89 0e 48 8b 0a 48 89 08 48 89 02 48 83 e1 fc 74 37 48 3b 51 10
RSP: 0018:ffffa438c1077b60 EFLAGS: 00010286
RAX: ffff94ab927929d0 RBX: ffff94ab92774628 RCX: ffff94ab92795299
RDX: ffff94ab92795298 RSI: 0000000000000000 RDI: ffff94ab92774500
RBP: ffff94ab88d8a384 R08: ffff94ab88d8a388 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000001 R12: ffff94ab88d8a000
R13: ffff94ab92774500 R14: ffff94ab927743f8 R15: 0000000007525c00
FS:  0000000000000000(0000) GS:ffff94ae9e680000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 000000004bc10002 CR4: 00000000001706e0
Call Trace:
 btrfs_destroy_inode+0x15a/0x240
 destroy_inode+0x3b/0x70
 dispose_list+0x48/0x60
 prune_icache_sb+0x44/0x50
 super_cache_scan+0x161/0x1f0
 do_shrink_slab+0x13e/0x2b0
 shrink_slab+0x168/0x280
 shrink_node+0x2c8/0x6e0
 balance_pgdat+0x2fa/0x620
 kswapd+0x1e6/0x360
 ? finish_wait+0x80/0x80
 ? balance_pgdat+0x620/0x620
 kthread+0x127/0x150
 ? set_kthread_struct+0x40/0x40
 ret_from_fork+0x22/0x30
Modules linked in: rfcomm snd_seq_dummy snd_hrtimer xt_CHECKSUM xt_MASQUERADE xt_conntrack ipt_REJECT nft_compat nft_counter bridge stp llc nf_nat_tftp nf_conntrack_netbios_ns nf_conntrack_broadcast nft_objref nf_conntrack_tftp 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 nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip_set nf_tables nfnetlink bnep sunrpc vfat intel_rapl_msr fat nvidia_drm(POE) mei_wdt ppdev nvidia_modeset(POE) mei_hdcp iTCO_wdt intel_pmc_bxt at24 nvidia_uvm(POE) iTCO_vendor_support intel_rapl_common pktcdvd x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel snd_hda_codec_realtek snd_hda_codec_generic kvm snd_hda_codec_hdmi ledtrig_audio snd_hda_intel snd_usb_audio snd_intel_dspcfg snd_intel_sdw_acpi irqbypass uvcvideo snd_hda_codec rapl intel_cstate snd_usbmidi_lib snd_hda_core intel_uncore snd_rawmidi videobuf2_vmalloc snd_hwdep videobuf2_memops videobuf2_v4l2 btusb
 snd_seq nvidia(POE) btrtl btbcm videobuf2_common snd_seq_device btintel snd_pcm bluetooth joydev videodev mei_me parport_pc mc i2c_i801 snd_timer mei parport ecdh_generic pcspkr snd rfkill i2c_smbus usblp lpc_ich ecc soundcore zram ip_tables i915 hid_logitech_hidpp crct10dif_pclmul crc32_pclmul i2c_algo_bit crc32c_intel drm_kms_helper ghash_clmulni_intel cec uas drm usb_storage r8169 wmi video hid_logitech_dj fuse
CR2: 0000000000000000