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 [#2] SMP PTI
CPU: 5 PID: 2552 Comm: JS Helper Tainted: P     UD W IOE     5.12.5-300.fc34.x86_64 #1
Hardware name: Micro-Star International Co., Ltd. PX60 6QE/MS-16H8, BIOS E16H8IMS.10D 01/19/2016
RIP: 0010:nouveau_gem_object_close+0x3a/0x1e0 [nouveau]
Code: 48 83 ec 08 48 85 f6 74 07 48 8b b6 80 00 00 00 48 8b 83 48 01 00 00 48 83 be 30 02 00 00 00 48 8d ae c8 01 00 00 48 8b 40 c8 <4c> 8b 60 08 74 07 48 8d ae 30 02 00 00 81 7d 24 0c 50 00 80 77 0d
RSP: 0018:ffffb32c427d3c00 EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffff89a3854d3400 RCX: 0000000000000000
RDX: ffff89a3828c2c00 RSI: ffff89a383027400 RDI: ffff89a3854d3400
RBP: ffff89a3830275c8 R08: ffff89a383c6b6c0 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffff89a3828c2c00
R13: 0000000000000001 R14: ffff89a3828c2c38 R15: ffff89a383c6b6e8
FS:  0000000000000000(0000) GS:ffff89a733d40000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000008 CR3: 0000000380a10003 CR4: 00000000003726e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 drm_gem_object_release_handle+0x2b/0x80 [drm]
 ? drm_gem_object_handle_put_unlocked+0xd0/0xd0 [drm]
 idr_for_each+0x4e/0xc0
 drm_gem_release+0x1c/0x30 [drm]
 drm_file_free.part.0+0x1e3/0x250 [drm]
 drm_release+0x65/0x110 [drm]
 __fput+0x94/0x240
 task_work_run+0x65/0xa0
 do_exit+0x351/0xab0
 do_group_exit+0x33/0xa0
 get_signal+0x16b/0x890
 arch_do_signal_or_restart+0xfc/0x710
 ? asm_sysvec_call_function_single+0x12/0x20
 ? __x64_sys_futex+0x73/0x1b0
 exit_to_user_mode_prepare+0xde/0x1b0
 syscall_exit_to_user_mode+0x18/0x40
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7f4da6bd1a8a
Code: Unable to access opcode bytes at RIP 0x7f4da6bd1a60.
RSP: 002b:00007f4d517fe600 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 0000000000000000 RCX: 00007f4da6bd1a8a
RDX: 0000000000000000 RSI: 0000000000000189 RDI: 000055707321b698
RBP: 0000000000000000 R08: 0000000000000000 R09: 00000000ffffffff
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000055707321b698 R14: 0000000000000000 R15: 0000000000000000
Modules linked in: tun vfio_pci vfio_virqfd uinput rfcomm snd_seq_dummy snd_hrtimer xt_CHECKSUM xt_MASQUERADE xt_conntrack ipt_REJECT nf_nat_tftp nf_conntrack_tftp bridge stp llc 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 btusb btrtl btbcm btintel bluetooth uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common videodev mc ecdh_generic ecc iwlmvm snd_hda_codec_hdmi snd_hda_codec_realtek mac80211 snd_hda_codec_generic ledtrig_audio snd_hda_intel snd_intel_dspcfg snd_intel_sdw_acpi snd_hda_codec libarc4 snd_hda_core intel_rapl_msr snd_hwdep intel_rapl_common snd_seq
 snd_seq_device iwlwifi snd_pcm iTCO_wdt intel_pmc_bxt x86_pkg_temp_thermal intel_powerclamp ee1004 mei_hdcp iTCO_vendor_support coretemp kvm_intel vfat fat snd_timer rapl cfg80211 intel_cstate snd msi_wmi intel_uncore mei_me sparse_keymap soundcore i2c_i801 joydev pcspkr rfkill intel_wmi_thunderbolt i2c_smbus mei intel_pch_thermal acpi_pad kvmgt vfio_mdev mdev vfio_iommu_type1 vfio kvm irqbypass zram ip_tables dm_crypt trusted i915 nouveau drm_ttm_helper ttm i2c_algo_bit drm_kms_helper rtsx_pci_sdmmc mmc_core cec crct10dif_pclmul crc32_pclmul crc32c_intel mxm_wmi drm ghash_clmulni_intel rtsx_pci serio_raw alx mdio wmi video fuse
CR2: 0000000000000008