Backtrace

BUG: unable to handle page fault for address: 00000000000c006c
#PF: supervisor read access in kernel mode
#PF: error_code(0x0000) - not-present page
PGD 800000000e045067 P4D 800000000e045067 PUD 0 
Oops: 0000 [#1] PREEMPT SMP PTI
CPU: 6 PID: 11316 Comm: Sandbox Forked Not tainted 6.3.8-200.fc38.x86_64 #1
Hardware name: Intel(R) Client Systems NUC8i5BEH/NUC8BEB, BIOS BECFL357.86A.0087.2020.1209.1115 12/09/2020
RIP: 0010:dup_userfaultfd+0x22/0x1b0
Code: 90 90 90 90 90 90 90 90 66 0f 1f 00 0f 1f 44 00 00 41 57 41 56 41 55 49 89 fd 41 54 55 53 48 8b af 90 00 00 00 48 85 ed 74 4a <f6> 45 6c 02 74 44 48 8b 16 48 89 f3 48 8d 42 f0 48 39 d6 75 0f eb
RSP: 0018:ffffa47948a07c58 EFLAGS: 00010206
RAX: 0000000000000000 RBX: ffff889f94a3ee00 RCX: 0000000000000000
RDX: ffff889ccb310340 RSI: ffffa47948a07cb0 RDI: ffff889ccb3102f8
RBP: 00000000000c0000 R08: ffffa47948a07c38 R09: 0000000000000001
R10: ffff889dc1ac2680 R11: ffff889ccac00768 R12: ffff889ccad72390
R13: ffff889ccb3102f8 R14: ffff889f94a3ee70 R15: ffff889e117a6e70
FS:  00007fd7ce9456c0(0000) GS:ffff88a12dd80000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000000c006c CR3: 000000000e106003 CR4: 00000000003706e0
Call Trace:
 <TASK>
 ? __die+0x23/0x70
 ? page_fault_oops+0x171/0x4e0
 ? exc_page_fault+0x7c/0x180
 ? asm_exc_page_fault+0x26/0x30
 ? dup_userfaultfd+0x22/0x1b0
 dup_mmap+0x32a/0x640
 copy_process+0x109f/0x1cc0
 kernel_clone+0xc0/0x430
 __do_sys_clone+0x78/0xa0
 do_syscall_64+0x5d/0x90
 ? exc_page_fault+0x7c/0x180
 entry_SYSCALL_64_after_hwframe+0x72/0xdc
RIP: 0033:0x7fd805e53766
Code: 85 ff 74 3e 48 83 e6 f0 74 38 48 89 4e f8 48 83 ee 10 48 89 3e 48 89 d7 4c 89 c2 4d 89 c8 4c 8b 54 24 08 b8 38 00 00 00 0f 05 <48> 85 c0 7c 13 74 01 c3 31 ed 58 5f ff d0 48 89 c7 b8 3c 00 00 00
RSP: 002b:00007fd7ce943238 EFLAGS: 00000206 ORIG_RAX: 0000000000000038
RAX: ffffffffffffffda RBX: 00007fd77f0832c0 RCX: 00007fd805e53766
RDX: 0000000000000000 RSI: 00007fd7ce944230 RDI: 0000000000000211
RBP: 00007fd77f0832c0 R08: 00007fd7ce944668 R09: 00007fd7ce944668
R10: 0000000000000000 R11: 0000000000000206 R12: 00007fd7ce944668
R13: 0000000000000000 R14: 00007fd80041c699 R15: 0000000000000041
 </TASK>
Modules linked in: 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_hda_codec_hdmi binfmt_misc snd_sof_pci_intel_cnl snd_sof_intel_hda_common soundwire_intel soundwire_generic_allocation soundwire_cadence snd_sof_intel_hda snd_sof_pci snd_sof_xtensa_dsp squashfs snd_sof snd_sof_utils soundwire_bus iwlmvm snd_soc_skl snd_hda_codec_realtek snd_soc_hdac_hda snd_hda_ext_core snd_soc_sst_ipc snd_soc_sst_dsp snd_hda_codec_generic snd_soc_acpi_intel_match snd_soc_acpi snd_soc_core intel_rapl_msr uvcvideo ledtrig_audio intel_rapl_common uvc intel_tcc_cooling mac80211 snd_compress videobuf2_vmalloc videobuf2_memops ac97_bus videobuf2_v4l2 snd_pcm_dmaengine videobuf2_common snd_hda_intel x86_pkg_temp_thermal snd_usb_audio intel_powerclamp snd_intel_dspcfg videodev
 snd_intel_sdw_acpi snd_hda_codec coretemp snd_usbmidi_lib kvm_intel snd_hda_core snd_rawmidi iTCO_wdt snd_hwdep libarc4 intel_pmc_bxt mc ee1004 mei_pxp mei_hdcp iTCO_vendor_support kvm snd_seq btusb irqbypass snd_seq_device btrtl iwlwifi rapl btbcm btintel snd_pcm btmtk intel_cstate intel_wmi_thunderbolt intel_uncore bluetooth cfg80211 snd_timer wmi_bmof pcspkr snd mei_me i2c_i801 soundcore rfkill i2c_smbus mei intel_pch_thermal joydev acpi_pad acpi_tad loop zram i915 rtsx_pci_sdmmc mmc_core crct10dif_pclmul crc32_pclmul crc32c_intel i2c_algo_bit polyval_clmulni drm_buddy polyval_generic drm_display_helper ghash_clmulni_intel e1000e sha512_ssse3 cec rtsx_pci ttm video wmi pinctrl_cannonlake ip6_tables ip_tables fuse
CR2: 00000000000c006c