Backtrace

BUG: unable to handle page fault for address: fffffbc346064f08
#PF: supervisor read access in kernel mode
#PF: error_code(0x0000) - not-present page
PGD 20f30a067 P4D 20f30a067 PUD 0 
Oops: 0000 [#1] PREEMPT SMP NOPTI
CPU: 0 PID: 31624 Comm: pool-1-thread-1 Tainted: G    B             5.17.12-100.fc34.x86_64 #1
Hardware name: HUAWEI NBLL-WXX9/NBLL-WXX9-PCB, BIOS 1.05 07/20/2020
RIP: 0010:try_grab_page+0xc3/0x110
Code: 34 48 8b 07 ba 01 00 00 00 be 23 00 00 00 48 c1 e8 36 48 8b 3c c5 20 4a 17 a3 e8 28 d2 fe ff b8 01 00 00 00 48 83 c4 08 c3 cc <48> 8b 47 08 48 8d 50 ff a8 01 48 0f 45 fa 8b 47 34 85 c0 7e 27 f0
RSP: 0018:ffffac1c4e1bf918 EFLAGS: 00010202
RAX: 0000000000000004 RBX: 000000000000001c RCX: 0000000000000025
RDX: 0000000000000025 RSI: 000000000000001c RDI: fffffbc346064f00
RBP: fffffba344030628 R08: 000008018193c025 R09: ffff8d09ecd3a000
R10: 000000000012e9d1 R11: 0000000000000000 R12: ffff8d09042b7320
R13: 0000000000000000 R14: ffff8d09ecd3a728 R15: fffffbc346064f00
FS:  00007f2dae169640(0000) GS:ffff8d0a07600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: fffffbc346064f08 CR3: 00000001cb5fa000 CR4: 0000000000350ef0
Call Trace:
 <TASK>
 follow_page_pte+0x29b/0x480
 __get_user_pages+0x17f/0x6a0
 get_dump_page+0xa2/0x300
 dump_user_range+0x81/0x100
 elf_core_dump+0xc1e/0xea0
 ? 0xffffffffff600000
 do_coredump+0x1010/0x15a0
 ? mod_objcg_state+0xf0/0x2e0
 get_signal+0x53c/0xa10
 arch_do_signal_or_restart+0x10e/0x750
 ? _raw_spin_unlock_irqrestore+0x25/0x40
 ? do_send_sig_info+0x6b/0xb0
 ? do_tkill+0x88/0xb0
 exit_to_user_mode_prepare+0x11a/0x230
 syscall_exit_to_user_mode+0x18/0x40
 do_syscall_64+0x48/0x90
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7f2dddc302a2
Code: c2 b8 ea 00 00 00 0f 05 48 3d 00 f0 ff ff 77 38 41 89 c0 41 ba 08 00 00 00 31 d2 4c 89 ce bf 02 00 00 00 b8 0e 00 00 00 0f 05 <48> 8b 84 24 08 01 00 00 64 48 2b 04 25 28 00 00 00 75 1f 44 89 c0
RSP: 002b:00007f2dae161f50 EFLAGS: 00000246 ORIG_RAX: 000000000000000e
RAX: 0000000000000000 RBX: 00007f2dae169640 RCX: 00007f2dddc302a2
RDX: 0000000000000000 RSI: 00007f2dae161f50 RDI: 0000000000000002
RBP: 00007f2ddddb88f0 R08: 0000000000000000 R09: 00007f2dae161f50
R10: 0000000000000008 R11: 0000000000000246 R12: 00007f2dddba8100
R13: 00007f2dddba10fd R14: 00007f2dddb61848 R15: 00007f2dddbe5940
 </TASK>
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 bnep sunrpc binfmt_misc vfat fat squashfs loop intel_rapl_msr intel_rapl_common edac_mce_amd kvm_amd snd_sof_amd_renoir kvm snd_acp_config snd_sof_amd_acp irqbypass snd_sof_pci rapl snd_sof rtw88_8822ce snd_hda_codec_realtek rtw88_8822c snd_soc_acpi snd_hda_codec_generic huawei_wmi pcspkr snd_soc_core sparse_keymap wmi_bmof ledtrig_audio snd_hda_codec_hdmi btusb uvcvideo btrtl snd_hda_intel videobuf2_vmalloc rtw88_pci
 snd_intel_dspcfg btbcm snd_intel_sdw_acpi joydev videobuf2_memops snd_compress videobuf2_v4l2 btintel ac97_bus rtw88_core snd_hda_codec videobuf2_common btmtk snd_hda_core snd_pcm_dmaengine snd_pci_acp6x snd_hwdep bluetooth videodev mac80211 snd_seq mc snd_seq_device snd_pcm ecdh_generic k10temp snd_timer libarc4 snd_pci_acp5x snd_rn_pci_acp3x snd snd_pci_acp3x cfg80211 soundcore i2c_piix4 rfkill acpi_cpufreq zram ip_tables amdgpu drm_ttm_helper ttm iommu_v2 gpu_sched i2c_algo_bit drm_kms_helper cec nvme hid_multitouch crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel wdat_wdt drm serio_raw sp5100_tco ccp nvme_core wmi video i2c_hid_acpi i2c_hid ipmi_devintf ipmi_msghandler fuse
CR2: fffffbc346064f08