Backtrace

BUG: kernel NULL pointer dereference, address: 0000000000000078
#PF: supervisor read access in kernel mode
#PF: error_code(0x0000) - not-present page
PGD 0 P4D 0 
Oops: 0000 [#1] SMP PTI
CPU: 6 PID: 21916 Comm: chrome Not tainted 5.9.16-200.fc33.x86_64 #1
Hardware name: LENOVO 20KGS4031X/20KGS4031X, BIOS N23ET74W (1.49 ) 06/03/2020
RIP: 0010:drm_gem_object_release_handle+0x80/0x90 [drm]
Code: ef e8 d4 a4 87 d9 48 8d 7d 18 4c 89 e6 e8 08 ff 00 00 48 89 ef e8 a0 fe ff ff 31 c0 5d 41 5c 41 5d c3 48 8b 45 08 48 8b 40 40 <48> 8b 40 78 48 85 c0 75 9c eb a5 0f 1f 44 00 00 0f 1f 44 00 00 41
RSP: 0018:ffffbcd80150bd90 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 0000000000000020 RCX: 0000000000000000
RDX: ffffa0656b88f600 RSI: ffffa06750034f00 RDI: 00000000000001a8
RBP: ffffa06750034f00 R08: 0000000000000000 R09: 0000000000000000
R10: ffffa065b2925dd0 R11: ffffbcd80150bd80 R12: ffffa0656b88f600
R13: ffffbcd80150be58 R14: ffffa0656b88f638 R15: 00000000000001a8
FS:  00007ff1eb677d40(0000) GS:ffffa06781780000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000078 CR3: 0000000284b84001 CR4: 00000000003706e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 drm_gem_handle_delete+0x58/0x90 [drm]
 ? drm_gem_handle_create+0x40/0x40 [drm]
 drm_ioctl_kernel+0x86/0xd0 [drm]
 drm_ioctl+0x20f/0x3a0 [drm]
 ? drm_gem_handle_create+0x40/0x40 [drm]
 ? selinux_file_ioctl+0x122/0x1c0
 __x64_sys_ioctl+0x83/0xb0
 do_syscall_64+0x33/0x40
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x7ff1ecdd138b
Code: 89 d8 49 8d 3c 1c 48 f7 d8 49 39 c4 72 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 bd ba 0c 00 f7 d8 64 89 01 48
RSP: 002b:00007ffee6893218 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007ffee6893230 RCX: 00007ff1ecdd138b
RDX: 00007ffee6893230 RSI: 0000000040086409 RDI: 0000000000000017
RBP: 0000000000000017 R08: 00000001fffa3000 R09: 0000000000004000
R10: 00007ffee6945080 R11: 0000000000000246 R12: 00007ffee68932a4
R13: 00003af5f7c81e40 R14: 00000000c0086457 R15: 00003af5f6b95c00
Modules linked in: veth nf_conntrack_netlink xt_addrtype br_netfilter overlay ccm 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 nf_tables nfnetlink ip6table_filter ip6_tables iptable_filter rmi_smbus rmi_core snd_soc_skl snd_soc_sst_ipc snd_soc_sst_dsp sunrpc snd_hda_codec_hdmi snd_hda_ext_core iTCO_wdt snd_soc_acpi_intel_match snd_soc_acpi mei_hdcp intel_pmc_bxt snd_soc_core mei_wdt snd_hda_codec_realtek iTCO_vendor_support x86_pkg_temp_thermal iwlmvm snd_hda_codec_generic snd_compress intel_powerclamp coretemp ac97_bus snd_pcm_dmaengine intel_rapl_msr snd_hda_intel
 mac80211 kvm_intel snd_intel_dspcfg snd_hda_codec vfat kvm libarc4 snd_hda_core fat irqbypass snd_hwdep rapl iwlwifi intel_cstate snd_seq uvcvideo intel_uncore pcspkr joydev snd_seq_device videobuf2_vmalloc videobuf2_memops wmi_bmof intel_wmi_thunderbolt snd_pcm videobuf2_v4l2 videobuf2_common cfg80211 i2c_i801 videodev snd_timer mei_me i2c_smbus intel_xhci_usb_role_switch mc mei ucsi_acpi intel_pch_thermal processor_thermal_device thinkpad_acpi roles intel_rapl_common typec_ucsi intel_soc_dts_iosf typec ledtrig_audio snd soundcore rfkill int3403_thermal int340x_thermal_zone int3400_thermal acpi_thermal_rel acpi_pad zram ip_tables i915 i2c_algo_bit drm_kms_helper crct10dif_pclmul nvme crc32_pclmul crc32c_intel cec ghash_clmulni_intel e1000e drm serio_raw nvme_core wmi video i2c_hid fuse
CR2: 0000000000000078