Backtrace

BUG: kernel NULL pointer dereference, address: 0000000000000000
#PF: supervisor write access in kernel mode
#PF: error_code(0x0002) - not-present page
PGD 0 P4D 0 
Oops: 0002 [#1] SMP PTI
CPU: 6 PID: 7923 Comm: atom Not tainted 5.14.9-200.fc34.x86_64 #1
Hardware name: Dell Inc. Latitude 7490/0CWDR5, BIOS 1.20.0 05/19/2021
RIP: 0010:schedule_timeout_killable+0xf/0x20
Code: 65 48 8b 04 25 c0 7b 01 00 c7 40 18 01 00 00 00 e9 c6 fe ff ff 66 0f 1f 44 00 00 0f 1f 44 00 00 65 48 8b 04 25 c0 7b 01 00 c7 <40> 18 02 01 00 00 e9 a6 fe ff ff 66 0f 1f 44 00 00 0f 1f 44 00 00
RSP: 0018:ffffbd65c6243e58 EFLAGS: 00010206
RAX: 0000000040400040 RBX: ffffbd65c6247e2f RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000006 RDI: ffff9df35e5ab6c0
RBP: ffffbd65c6243e4d R08: 0000000000000002 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000006 R12: ffff9df2a1dba840
R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000000
FS:  00007fa017a3d640(0000) GS:ffff9df35e580000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 00000002f52ee003 CR4: 00000000003706e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 ? hrtimer_nanosleep+0x85/0x100
 ? __hrtimer_init+0xc0/0xc0
 ? common_nsleep+0x40/0x50
 ? __x64_sys_clock_nanosleep+0xaf/0x110
 ? do_syscall_64+0x3b/0x90
 ? entry_SYSCALL_64_after_hwframe+0x44/0xae
Modules linked in: uinput 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 typec_displayport dell_rbtn bnep snd_soc_skl snd_soc_hdac_hda snd_hda_ext_core snd_soc_sst_ipc snd_soc_sst_dsp snd_soc_acpi_intel_match snd_soc_acpi snd_hda_codec_hdmi snd_soc_core intel_tcc_cooling snd_compress snd_ctl_led ac97_bus iwlmvm x86_pkg_temp_thermal intel_powerclamp snd_hda_codec_realtek coretemp sunrpc ee1004 snd_hda_codec_generic snd_pcm_dmaengine mac80211 iTCO_wdt kvm_intel intel_pmc_bxt
 iTCO_vendor_support mei_wdt mei_hdcp snd_hda_intel dell_laptop snd_intel_dspcfg kvm intel_rapl_msr libarc4 snd_intel_sdw_acpi dell_smm_hwmon vfat irqbypass snd_usb_audio snd_hda_codec fat rapl iwlwifi snd_usbmidi_lib dell_wmi intel_cstate snd_hda_core ledtrig_audio snd_hwdep snd_rawmidi uvcvideo intel_uncore btusb dell_smbios snd_seq dcdbas pcspkr dell_wmi_sysman snd_seq_device videobuf2_vmalloc btrtl videobuf2_memops cfg80211 firmware_attributes_class i2c_i801 mei_me dell_wmi_descriptor intel_wmi_thunderbolt wmi_bmof btbcm videobuf2_v4l2 i2c_smbus snd_pcm mei btintel videobuf2_common videodev bluetooth joydev idma64 intel_pch_thermal snd_timer mc snd processor_thermal_device_pci_legacy processor_thermal_device ucsi_acpi processor_thermal_rfim ecdh_generic processor_thermal_mbox soundcore rfkill processor_thermal_rapl typec_ucsi intel_xhci_usb_role_switch intel_rapl_common typec intel_soc_dts_iosf intel_hid int3400_thermal int3403_thermal acpi_pad sparse_keymap
 acpi_thermal_rel int340x_thermal_zone zram ip_tables dm_crypt trusted asn1_encoder hid_logitech_hidpp hid_logitech_dj i915 hid_multitouch i2c_algo_bit ttm drm_kms_helper rtsx_pci_sdmmc mmc_core crct10dif_pclmul cec crc32_pclmul crc32c_intel drm e1000e ghash_clmulni_intel serio_raw rtsx_pci i2c_hid_acpi wmi i2c_hid video r8152 mii fuse
CR2: 0000000000000000