Backtrace

BUG: kernel NULL pointer dereference, address: 0000000000000008
#PF: supervisor read access in kernel mode
#PF: error_code(0x0000) - not-present page
PGD 0 P4D 0 
Oops: 0000 [#1] SMP PTI
CPU: 4 PID: 10098 Comm: chrome Tainted: G        W         5.8.15-301.fc33.x86_64 #1
Hardware name: Dell Inc. Latitude E5570/06YF8N, BIOS 1.22.3 02/17/2020
RIP: 0010:__rb_insert_augmented+0x24/0x1d0
Code: 41 10 c3 0f 1f 00 4c 8b 07 4d 85 c0 0f 84 b4 01 00 00 41 54 49 89 f4 55 53 48 83 ec 08 49 8b 28 40 f6 c5 01 0f 85 eb 00 00 00 <48> 8b 45 08 4c 39 c0 74 67 48 85 c0 74 09 f6 00 01 0f 84 a7 00 00
RSP: 0018:ffffb8ffc3f9bd58 EFLAGS: 00010246
RAX: ffff9e4fcd5e92b0 RBX: ffff9e4fcd652200 RCX: ffff9e4fcd5e92b8
RDX: ffffffff95291730 RSI: ffff9e51aa474dd8 RDI: ffff9e51724a85d0
RBP: 0000000000000000 R08: ffff9e4fcd5e92b0 R09: 0000000000000000
R10: ffff9e51aa474dd8 R11: ffff9e51724a85d0 R12: ffff9e51aa474dd8
R13: ffff9e516fe3f1b0 R14: ffff9e51724a8578 R15: ffff9e516fe3f190
FS:  0000000000000000(0000) GS:ffff9e51d5f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000008 CR3: 00000001e2b9e001 CR4: 00000000003606e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 ? _cond_resched+0x16/0x40
 vma_link+0x19d/0x1c0
 mmap_region+0x477/0x6e0
 do_mmap+0x42f/0x540
 vm_mmap_pgoff+0xb0/0xf0
 ksys_mmap_pgoff+0x18a/0x250
 do_syscall_64+0x4d/0x90
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x7fb8af8eba86
Code: 5d 41 5c c3 f3 0f 1e fa 41 f7 c1 ff 0f 00 00 75 2b 55 48 89 fd 53 89 cb 48 85 ff 74 37 41 89 da 48 89 ef b8 09 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 5a 5b 5d c3 0f 1f 80 00 00 00 00 c7 05 c6 f6
RSP: 002b:00007ffefb34cff8 EFLAGS: 00000246 ORIG_RAX: 0000000000000009
RAX: ffffffffffffffda RBX: 0000000000000802 RCX: 00007fb8af8eba86
RDX: 0000000000000001 RSI: 000000000000c130 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000003 R09: 0000000000000000
R10: 0000000000000802 R11: 0000000000000246 R12: 00007fb8add39c90
R13: 000000000000b000 R14: 0000000000000000 R15: 0000000000000000
Modules linked in: uinput rfcomm ccm 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 nf_tables nfnetlink ip6table_filter ip6_tables iptable_filter cmac bnep sunrpc snd_hda_codec_hdmi iwlmvm mac80211 snd_hda_codec_realtek snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg libarc4 x86_pkg_temp_thermal snd_hda_codec intel_powerclamp coretemp uvcvideo kvm_intel snd_hda_core iTCO_wdt videobuf2_vmalloc videobuf2_memops iwlwifi dell_laptop videobuf2_v4l2 snd_hwdep intel_pmc_bxt snd_seq mei_hdcp videobuf2_common btusb iTCO_vendor_support kvm ee1004 ledtrig_audio mei_wdt btrtl snd_seq_device btbcm btintel ppdev irqbypass snd_pcm intel_rapl_msr rapl dell_wmi bluetooth videodev
 dell_smm_hwmon cfg80211 snd_timer intel_cstate mc snd dell_smbios intel_uncore dcdbas wmi_bmof i2c_i801 ecdh_generic pcspkr soundcore ecc joydev i2c_smbus intel_wmi_thunderbolt sparse_keymap dell_wmi_descriptor parport_pc parport dell_smo8800 mei_me processor_thermal_device intel_rapl_common int3400_thermal int3403_thermal acpi_thermal_rel int340x_thermal_zone intel_soc_dts_iosf mei dell_rbtn intel_pch_thermal acpi_pad rfkill zram ip_tables amdgpu iommu_v2 gpu_sched i915 radeon i2c_algo_bit drm_kms_helper cec ttm rtsx_pci_sdmmc crct10dif_pclmul mmc_core crc32_pclmul crc32c_intel drm e1000e rtsx_pci serio_raw ghash_clmulni_intel wmi video fuse
CR2: 0000000000000008