Backtrace

general protection fault, probably for non-canonical address 0x67273a0fb55fd808: 0000 [#2] PREEMPT SMP NOPTI
CPU: 3 PID: 3209 Comm: systemd-coredum Tainted: G      D W          6.8.9-100.fc38.x86_64 #1
Hardware name: Panache Digilife Limited F22A/F22A, BIOS PANA10x.WP315J.NDNAUIN07.1809040 11/23/2018
RIP: 0010:__blk_flush_plug+0x89/0x150
Code: de 48 89 5c 24 08 48 89 5c 24 10 48 39 c1 74 7c 49 8b 46 18 48 8b 34 24 48 39 c6 74 5b 49 8b 4e 18 49 8b 56 20 48 8b 44 24 08 <48> 89 59 08 48 89 4c 24 08 48 89 02 48 89 50 08 49 89 76 18 49 89
RSP: 0018:ffffb2724443fd48 EFLAGS: 00010282
RAX: ffffb2724443fd50 RBX: ffffb2724443fd50 RCX: 67273a0fb55fd800
RDX: 0000000000000001 RSI: ffffb2724443f808 RDI: ffffb2724443f7f0
RBP: 0000000000000001 R08: ffffffffba56e4d8 R09: 0000000000000000
R10: 0000000000000100 R11: ffff9279bbdc2cc0 R12: dead000000000122
R13: dead000000000100 R14: ffffb2724443f7f0 R15: ffff9278462d5d40
FS:  0000000000000000(0000) GS:ffff9279bbd80000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000011f20156f000 CR3: 0000000138428000 CR4: 00000000003506f0
Call Trace:
 <TASK>
 ? die_addr+0x36/0x90
 ? exc_general_protection+0x1dd/0x450
 ? asm_exc_general_protection+0x26/0x30
 ? __blk_flush_plug+0x89/0x150
 schedule+0x94/0xd0
 synchronize_rcu_expedited+0x33a/0x460
 ? __pfx_wait_rcu_exp_gp+0x10/0x10
 ? __pfx_autoremove_wake_function+0x10/0x10
 namespace_unlock+0xd2/0x1a0
 put_mnt_ns+0x6d/0x90
 free_nsproxy+0x1b/0x1b0
 do_exit+0x35b/0xaf0
 ? sched_clock+0x10/0x30
 ? sched_clock_cpu+0x11/0x1b0
 make_task_dead+0x83/0x170
 rewind_stack_and_make_dead+0x17/0x20
RIP: 0033:0x7fe1af41e0d1
Code: Unable to access opcode bytes at 0x7fe1af41e0a7.
RSP: 002b:00007fffd64d0478 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00007fe1aebb1010 RCX: 00007fe1af41e0d1
RDX: 0000000000020000 RSI: 00007fe1aebb1010 RDI: 0000000000000006
RBP: 00007fffd64d04b0 R08: 00007fe1af5d0c80 R09: 0000000000000001
R10: 00007fe1aebd1010 R11: 0000000000000246 R12: 0000000000000006
R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000020000
 </TASK>
Modules linked in: uinput rfcomm snd_seq_dummy snd_hrtimer 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 nf_tables nfnetlink qrtr bnep snd_sof_pci_intel_apl snd_sof_intel_hda_common soundwire_intel snd_sof_intel_hda_mlink soundwire_cadence snd_sof_intel_hda snd_sof_pci snd_sof_xtensa_dsp snd_sof snd_sof_utils soundwire_generic_allocation soundwire_bus snd_soc_avs snd_soc_hda_codec snd_soc_skl intel_pmc_bxt snd_soc_hdac_hda intel_telemetry_pltdrv intel_punit_ipc snd_hda_ext_core intel_telemetry_core x86_pkg_temp_thermal intel_powerclamp snd_soc_sst_ipc snd_hda_codec_hdmi coretemp snd_soc_sst_dsp snd_soc_acpi_intel_match kvm_intel snd_soc_acpi uvcvideo intel_rapl_msr uvc snd_soc_core kvm snd_hda_codec_realtek snd_compress mei_pxp mei_hdcp videobuf2_vmalloc snd_hda_codec_generic ac97_bus videobuf2_memops snd_pcm_dmaengine
 snd_hda_intel iwlmvm sunrpc videobuf2_v4l2 irqbypass btusb snd_intel_dspcfg videobuf2_common mac80211 snd_intel_sdw_acpi rapl btrtl snd_hda_codec intel_cstate i2c_i801 libarc4 videodev btintel snd_hda_core btbcm btmtk iwlwifi pcspkr snd_hwdep bluetooth i2c_smbus mc snd_seq cfg80211 snd_seq_device processor_thermal_device_pci_legacy lpc_ich processor_thermal_device processor_thermal_wt_hint snd_pcm binfmt_misc processor_thermal_rfim processor_thermal_rapl idma64 rfkill intel_rapl_common mei_me kxcjk_1013 snd_timer processor_thermal_wt_req processor_thermal_power_floor snd industrialio_triggered_buffer kfifo_buf vfat mei processor_thermal_mbox soundcore intel_soc_dts_iosf intel_xhci_usb_role_switch fat industrialio intel_pmc_core intel_vsec pmt_telemetry pmt_class int3400_thermal intel_hid soc_button_array int3403_thermal acpi_thermal_rel int340x_thermal_zone sparse_keymap joydev ilitek_ts_i2c loop zram i915 mmc_block crct10dif_pclmul crc32_pclmul crc32c_intel polyval_generic i2c_algo_bit drm_buddy ttm
 ghash_clmulni_intel drm_display_helper r8169 sha512_ssse3 sdhci_pci sha256_ssse3 spi_pxa2xx_platform cqhci hid_multitouch sdhci mmc_core sha1_ssse3 wdat_wdt dw_dmac realtek cec i2c_hid_acpi i2c_hid video wmi pinctrl_broxton serio_raw ip6_tables ip_tables fuse