Backtrace

BUG: kernel NULL pointer dereference, address: 000000000000001c
#PF: supervisor read access in kernel mode
#PF: error_code(0x0000) - not-present page
PGD 0 P4D 0 
Oops: 0000 [#1] SMP PTI
CPU: 3 PID: 3398 Comm: systemd-udevd Tainted: G           OE     5.14.9-200.fc34.x86_64 #1
Hardware name: Dell Inc. Latitude E6540/0PXPYJ, BIOS A27 06/13/2019
RIP: 0010:vma_interval_tree_remove+0x16b/0x2c0
Code: 83 e2 fc 48 89 d0 74 43 48 8b 4a 10 48 8b 72 08 48 8b 50 b0 4c 8b 40 40 48 2b 50 a8 48 c1 ea 0c 4a 8d 54 02 ff 48 85 c9 74 0b <48> 8b 49 18 48 39 ca 48 0f 42 d1 48 85 f6 74 0b 48 8b 4e 18 48 39
RSP: 0018:ffffb2cb41a3fd70 EFLAGS: 00010202
RAX: ffff9442c7ff65d0 RBX: ffff94434b9b5258 RCX: 0000000000000004
RDX: ff1000fffe8000fe RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffff9442ce57cc48 R08: ff0000ffff0000ff R09: 0000000000000000
R10: ffff9442c37f8a00 R11: 0000000000000001 R12: ffff94434b9b52b0
R13: ffff9442ce57cc58 R14: ffff9442ce57cc28 R15: ffff94434b9b5af0
FS:  0000000000000000(0000) GS:ffff9445deb80000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000000000001c CR3: 0000000127c10002 CR4: 00000000001706e0
Call Trace:
 unlink_file_vma+0x3d/0x60
 free_pgtables+0x9b/0x100
 exit_mmap+0x95/0x1c0
 mmput+0x61/0x140
 do_exit+0x2e9/0xa90
 do_group_exit+0x33/0xa0
 __x64_sys_exit_group+0x14/0x20
 do_syscall_64+0x3b/0x90
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7f962d462021
Code: Unable to access opcode bytes at RIP 0x7f962d461ff7.
RSP: 002b:00007ffe14b754e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f962d462021
RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000
RBP: 00007ffe14b755e0 R08: fffffffffffffea0 R09: 0000000000000004
R10: 0000000000000010 R11: 0000000000000246 R12: 00007ffe14b75570
R13: 0000556fbf7e7750 R14: 0000000000000000 R15: 0000556fbf773f60
Modules linked in: rfcomm snd_seq_dummy snd_hrtimer xt_CHECKSUM xt_MASQUERADE xt_conntrack ipt_REJECT nf_nat_tftp nf_conntrack_tftp 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 vmnet(OE) vmw_vsock_vmci_transport vsock vmw_vmci bnep sunrpc vfat fat btusb btrtl intel_rapl_msr btbcm btintel uvcvideo bluetooth lis3lv02d_i2c at24 iTCO_wdt lis3lv02d mei_wdt videobuf2_vmalloc mei_hdcp videobuf2_memops videobuf2_v4l2 intel_pmc_bxt iTCO_vendor_support videobuf2_common ppdev dell_laptop ecdh_generic videodev dell_smm_hwmon mc intel_rapl_common x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel kvm
 iwldvm irqbypass rapl intel_cstate mac80211 snd_ctl_led intel_uncore snd_soc_rt5640 snd_hda_codec_realtek snd_hda_codec_generic snd_hda_codec_hdmi dell_wmi libarc4 snd_soc_rl6231 ledtrig_audio snd_hda_intel pcspkr dell_smbios dcdbas sparse_keymap joydev snd_soc_core dell_wmi_descriptor snd_intel_dspcfg wmi_bmof snd_intel_sdw_acpi snd_hda_codec iwlwifi i2c_i801 i2c_smbus snd_compress cfg80211 snd_hda_core ac97_bus snd_pcm_dmaengine lpc_ich mei_me mei snd_hwdep snd_seq snd_seq_device snd_pcm snd_timer parport_pc parport snd dell_smo8800 soundcore dell_rbtn rfkill zram ip_tables dm_crypt trusted asn1_encoder amdgpu iommu_v2 gpu_sched i915 hid_logitech_hidpp radeon crct10dif_pclmul crc32_pclmul serio_raw crc32c_intel drm_ttm_helper sdhci_pci i2c_algo_bit ttm drm_kms_helper cqhci sdhci cec ghash_clmulni_intel drm mmc_core e1000e hid_logitech_dj wmi video fuse
CR2: 000000000000001c