Backtrace

BUG: kernel NULL pointer dereference, address: 0000000000000000
#PF: supervisor read access in kernel mode
#PF: error_code(0x0000) - not-present page
PGD 0 P4D 0 
Oops: 0000 [#1] SMP PTI
CPU: 1 PID: 5101 Comm: ThreadPoolForeg Not tainted 5.11.12-300.fc34.x86_64 #1
Hardware name: Gigabyte Technology Co., Ltd. H310M H/H310M H, BIOS F11 09/18/2018
RIP: 0010:unmap_page_range+0xbe5/0xe10
Code: 48 f7 d2 44 21 ea e9 de fa ff ff c7 44 24 34 01 00 00 00 e9 a5 fc ff ff 48 89 f7 e8 15 e6 ff ff e9 af fc ff ff 48 8b 44 24 10 <4c> 8b 28 4d 85 ed 0f 84 40 fa ff ff 48 89 ef e8 d7 5a fe ff 49 39
RSP: 0018:ffffbca48358fb88 EFLAGS: 00010282
RAX: 0000000000000000 RBX: ffff9f834b251220 RCX: 8000000000000867
RDX: 8000000000000867 RSI: 00002d9460a44000 RDI: 80000001becd2867
RBP: ffffe09e46fb3480 R08: ffff9f8293a013e8 R09: 0000000000000011
R10: 00000000001c381c R11: 0000000000000000 R12: 00002d9460a45000
R13: 80000001becd1867 R14: ffffbca48358fcd0 R15: 00002d9460a44000
FS:  0000000000000000(0000) GS:ffff9f897da40000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 0000000287a10001 CR4: 00000000003706e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 unmap_vmas+0x6a/0xd0
 exit_mmap+0x97/0x1c0
 mmput+0x61/0x140
 do_exit+0x30c/0xac0
 do_group_exit+0x33/0xa0
 get_signal+0x14f/0x8a0
 ? handle_mm_fault+0x1059/0x1970
 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: 0033:0x7fdc4db1da6a
Code: Unable to access opcode bytes at RIP 0x7fdc4db1da40.
RSP: 002b:00007fdc110bd550 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffdfc RBX: 00007fdc110bd670 RCX: 00007fdc4db1da6a
RDX: 0000000000000000 RSI: 0000000000000089 RDI: 00007fdc110bd768
RBP: 0000000000000000 R08: 0000000000000000 R09: 00000000ffffffff
R10: 00007fdc110bd670 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fdc110bd768 R14: 0000000000000000 R15: 00007fdc110bd718
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 snd_sof_pci snd_sof_intel_hda_common snd_sof_intel_hda snd_sof_intel_byt snd_sof_intel_ipc snd_sof snd_sof_xtensa_dsp snd_soc_skl snd_soc_hdac_hda snd_hda_ext_core snd_hda_codec_realtek snd_soc_sst_ipc snd_soc_sst_dsp snd_hda_codec_generic intel_rapl_msr snd_soc_acpi_intel_match intel_rapl_common sunrpc snd_soc_acpi snd_hda_codec_hdmi ledtrig_audio snd_hda_intel snd_intel_dspcfg soundwire_intel soundwire_generic_allocation snd_soc_core mt7601u x86_pkg_temp_thermal intel_powerclamp snd_compress
 snd_pcm_dmaengine coretemp soundwire_cadence vfat fat snd_usb_audio snd_hda_codec mac80211 kvm_intel mei_hdcp iTCO_wdt btusb intel_pmc_bxt snd_usbmidi_lib btrtl iTCO_vendor_support snd_hda_core ee1004 btbcm snd_rawmidi ac97_bus snd_hwdep btintel snd_seq snd_seq_device kvm cfg80211 bluetooth snd_pcm irqbypass rapl intel_cstate libarc4 mc intel_uncore snd_timer joydev ecdh_generic wmi_bmof snd mei_me i2c_i801 rfkill pcspkr ecc soundcore mei intel_pch_thermal i2c_smbus acpi_pad zram ip_tables nouveau mxm_wmi i2c_algo_bit drm_ttm_helper ttm drm_kms_helper cec drm crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel r8169 wmi video pinctrl_cannonlake fuse
CR2: 0000000000000000