Backtrace

BUG: kernel NULL pointer dereference, address: 0000000000000009
#PF: supervisor read access in kernel mode
#PF: error_code(0x0000) - not-present page
PGD 10d92e067 P4D 10d92e067 PUD 10ba30067 PMD 0 
Oops: 0000 [#1] SMP NOPTI
CPU: 2 PID: 5570 Comm: StyleThread#4 Tainted: G        W         5.14.10-300.fc35.x86_64 #1
Hardware name: Dell Inc. Precision 3541/0Y8H01, BIOS 1.15.1 10/06/2021
RIP: 0010:free_pipe_info+0x75/0xb0
Code: 74 39 31 db 48 63 c3 48 8d 14 80 48 8b 85 98 00 00 00 48 8d 34 d0 48 8b 46 10 48 85 c0 74 14 48 c7 46 10 00 00 00 00 48 89 ef <48> 8b 40 08 ff d0 0f 1f 00 83 c3 01 39 5d 5c 77 c9 48 8b bd 80 00
RSP: 0018:ffffadbb41bc7ce8 EFLAGS: 00010202
RAX: 0000000000000001 RBX: 0000000000000007 RCX: 0000000000000000
RDX: 0000000000000023 RSI: ffff9b060f0bb118 RDI: ffff9b06c3798c00
RBP: ffff9b06c3798c00 R08: 0000000000000000 R09: ffff9b06c9220e10
R10: 0000000000000008 R11: ffff9b06c496d110 R12: ffff9b06c9220e10
R13: ffff9b06c9220e98 R14: ffff9b07756c8840 R15: ffff9b070975b4a8
FS:  0000000000000000(0000) GS:ffff9b0d5c280000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000009 CR3: 00000001055d4006 CR4: 00000000003706e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 pipe_release+0xff/0x110
 __fput+0x91/0x240
 task_work_run+0x62/0xa0
 do_exit+0x33d/0xa90
 do_group_exit+0x33/0xa0
 get_signal+0x16b/0x890
 ? __cgroup_account_cputime+0x24/0x30
 ? update_curr+0xed/0x1b0
 arch_do_signal_or_restart+0xfd/0x730
 ? __x64_sys_futex+0x63/0x1a0
 exit_to_user_mode_prepare+0x11a/0x240
 syscall_exit_to_user_mode+0x18/0x40
 do_syscall_64+0x48/0x90
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7f0b8c46f77a
Code: Unable to access opcode bytes at RIP 0x7f0b8c46f750.
RSP: 002b:00007f0b6b4bd210 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 0000000000000000 RCX: 00007f0b8c46f77a
RDX: 0000000000000000 RSI: 0000000000000189 RDI: 00007f0b6bc603cc
RBP: 0000000000000000 R08: 0000000000000000 R09: 00000000ffffffff
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f0b6bc603cc R14: 0000000000000001 R15: 0000000000000000
Modules linked in: xt_nat veth rfcomm snd_seq_dummy snd_hrtimer xt_conntrack xt_MASQUERADE nf_conntrack_netlink nft_counter xt_addrtype nft_compat br_netfilter 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 nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip_set overlay nf_tables nfnetlink tun qrtr ns bnep snd_sof_pci_intel_cnl snd_sof_intel_hda_common snd_hda_codec_hdmi soundwire_intel soundwire_generic_allocation soundwire_cadence snd_sof_intel_hda snd_sof_pci snd_sof_xtensa_dsp snd_sof soundwire_bus snd_soc_skl snd_soc_hdac_hda snd_ctl_led snd_hda_ext_core snd_soc_sst_ipc snd_hda_codec_realtek snd_soc_sst_dsp snd_soc_acpi_intel_match snd_soc_acpi snd_hda_codec_generic snd_soc_core sunrpc snd_compress ac97_bus snd_pcm_dmaengine intel_tcc_cooling x86_pkg_temp_thermal iwlmvm intel_powerclamp snd_hda_intel snd_intel_dspcfg
 coretemp iTCO_wdt snd_intel_sdw_acpi intel_pmc_bxt snd_hda_codec mac80211 ee1004 snd_usb_audio dell_rbtn kvm_intel mei_hdcp mei_wdt snd_usbmidi_lib vfat dell_laptop iTCO_vendor_support snd_rawmidi snd_hda_core intel_rapl_msr fat dell_smm_hwmon libarc4 kvm snd_hwdep mc dell_wmi irqbypass ledtrig_audio rapl btusb snd_seq iwlwifi intel_cstate btrtl intel_uncore r8153_ecm btbcm snd_seq_device pcspkr cdc_ether dell_smbios btintel dcdbas bluetooth snd_pcm usbnet dell_wmi_sysman i2c_i801 cfg80211 r8152 firmware_attributes_class dell_wmi_descriptor wmi_bmof intel_wmi_thunderbolt snd_timer processor_thermal_device_pci_legacy i2c_smbus snd processor_thermal_device processor_thermal_rfim processor_thermal_mbox processor_thermal_rapl thunderbolt mii mei_me joydev intel_rapl_common ecdh_generic soundcore rfkill mei idma64 intel_soc_dts_iosf intel_pch_thermal int3403_thermal int340x_thermal_zone dell_smo8800 int3400_thermal intel_hid sparse_keymap acpi_thermal_rel acpi_pad zram ip_tables
 dm_crypt trusted asn1_encoder hid_logitech_hidpp hid_logitech_dj hid_plantronics i915 nouveau hid_multitouch drm_ttm_helper i2c_algo_bit ttm rtsx_pci_sdmmc mmc_core drm_kms_helper mxm_wmi cec crct10dif_pclmul crc32_pclmul drm crc32c_intel e1000e ghash_clmulni_intel nvme nvme_core rtsx_pci serio_raw ucsi_acpi typec_ucsi i2c_hid_acpi i2c_hid typec video wmi pinctrl_cannonlake fuse
CR2: 0000000000000009