Backtrace

BUG: kernel NULL pointer dereference, address: 0000000000000034
#PF: supervisor write access in kernel mode
#PF: error_code(0x0002) - not-present page
PGD 0 P4D 0 
Oops: 0002 [#2] SMP PTI
CPU: 1 PID: 4013 Comm: CompositorTileW Tainted: G      D           5.11.12-300.fc34.x86_64 #1
Hardware name: ASUSTeK COMPUTER INC. UX32LN/UX32LN, BIOS UX32LN.203 05/21/2014
RIP: 0010:unlink_anon_vmas+0xce/0x1d0
Code: f0 00 00 00 48 8d 7d 08 e8 0f a5 91 00 49 8d 77 40 4c 89 f7 e8 b3 e6 fd ff 49 8b 57 40 48 85 d2 0f 85 6f ff ff ff 49 8b 47 38 <83> 68 34 01 eb a5 48 8b 04 24 48 8b 80 88 00 00 00 48 85 c0 74 04
RSP: 0018:ffffc3ac83f63c50 EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffffa0ef3cfba518 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: 0000000000000000 R08: 00003cd600401000 R09: 0000000000000000
R10: ffffa0ef543a2e00 R11: 0000000000000001 R12: ffffa0ef543a2350
R13: ffffa0ef3cfba528 R14: ffffa0ef543a2340 R15: ffffa0ef1e8be030
FS:  0000000000000000(0000) GS:ffffa0f068e80000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000034 CR3: 0000000104da8002 CR4: 00000000001706e0
Call Trace:
 free_pgtables+0x93/0x100
 exit_mmap+0xa6/0x1c0
 mmput+0x61/0x140
 do_exit+0x30c/0xac0
 do_group_exit+0x33/0xa0
 get_signal+0x14f/0x8a0
 arch_do_signal_or_restart+0xf2/0x700
 ? __x64_sys_futex+0x73/0x1b0
 exit_to_user_mode_prepare+0xde/0x1b0
 syscall_exit_to_user_mode+0x18/0x40
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x7fe2ba2a1a6a
Code: Unable to access opcode bytes at RIP 0x7fe2ba2a1a40.
RSP: 002b:00007fe2a29d4420 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 0000000000000000 RCX: 00007fe2ba2a1a6a
RDX: 0000000000000000 RSI: 0000000000000189 RDI: 00003cd6002f472c
RBP: 0000000000000000 R08: 0000000000000000 R09: 00000000ffffffff
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00003cd6002f472c R14: 0000000000000001 R15: 0000000000000000
Modules linked in: uinput snd_seq_dummy snd_hrtimer 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 x86_pkg_temp_thermal intel_powerclamp coretemp sunrpc kvm_intel ath9k snd_hda_codec_conexant snd_hda_codec_generic ath9k_common ledtrig_audio snd_hda_codec_hdmi ath9k_hw snd_hda_intel kvm snd_intel_dspcfg soundwire_intel soundwire_generic_allocation vfat fat snd_soc_core snd_compress mac80211 mei_hdcp at24 ath3k snd_pcm_dmaengine soundwire_cadence btusb iTCO_wdt intel_rapl_msr intel_pmc_bxt snd_hda_codec iTCO_vendor_support btrtl btbcm btintel irqbypass snd_hda_core ath rapl ac97_bus snd_hwdep
 uvcvideo snd_seq bluetooth snd_seq_device intel_cstate videobuf2_vmalloc cfg80211 intel_uncore snd_pcm videobuf2_memops videobuf2_v4l2 videobuf2_common videodev processor_thermal_device asus_nb_wmi processor_thermal_rfim snd_timer snd asus_wmi i2c_i801 sparse_keymap pcspkr mei_me i2c_smbus joydev mc processor_thermal_mbox mei processor_thermal_rapl ecdh_generic intel_pch_thermal ecc intel_rapl_common rfkill intel_soc_dts_iosf libarc4 soundcore lpc_ich acpi_als kfifo_buf industrialio int3402_thermal int340x_thermal_zone int3400_thermal asus_wireless acpi_thermal_rel zram ip_tables i915 hid_logitech_hidpp nouveau drm_ttm_helper ttm crct10dif_pclmul crc32_pclmul crc32c_intel mxm_wmi hid_logitech_dj i2c_algo_bit drm_kms_helper cec ghash_clmulni_intel drm serio_raw wmi video fuse
CR2: 0000000000000034