Backtrace

general protection fault, probably for non-canonical address 0xffff12ce810b0000: 0000 [#2] SMP PTI
CPU: 2 PID: 2807 Comm: Web Content Tainted: G      D           5.8.18-100.fc31.x86_64 #1
Hardware name: TOSHIBA dynabook Satellite B554/M/dynabook Satellite B554/M, BIOS Version 4.80   06/23/2015
RIP: 0010:lock_page_memcg+0x28/0x90
Code: 00 00 0f 1f 44 00 00 41 54 55 53 48 8b 47 08 48 89 fb 48 8d 50 ff a8 01 48 0f 45 da 0f 1f 44 00 00 4c 8b 63 38 4d 85 e4 74 36 <41> 8b 84 24 00 05 00 00 85 c0 7e 2d 49 8d ac 24 d8 04 00 00 48 89
RSP: 0018:ffffb0bd8227f818 EFLAGS: 00010286
RAX: fffff534cce41708 RBX: fffff534cce41740 RCX: 000000016f3dc865
RDX: fffff534cce41707 RSI: 0000000000000000 RDI: fffff534cce41740
RBP: fffff534cce41740 R08: ffff92cedf2a74e0 R09: 0000000000000000
R10: 000000000016f3dc R11: 0000000000000000 R12: ffff12ce810b0000
R13: fffff534cce41740 R14: ffff92ce7fde0440 R15: 0000000000000001
FS:  00007f4e0e16b780(0000) GS:ffff92cedf280000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f25673de000 CR3: 000000030c32a004 CR4: 00000000001606e0
Call Trace:
 page_remove_rmap+0x15/0x4b0
 wp_page_copy+0x2d0/0x620
 ? _copy_from_iter+0x25b/0x300
 do_wp_page+0x176/0x400
 handle_mm_fault+0x10da/0x1790
 __get_user_pages+0x2b6/0x880
 get_dump_page+0x39/0x50
 elf_core_dump+0xee2/0x1448
 do_coredump+0x802/0x1103
 ? vt_console_print+0x42/0x3d0
 get_signal+0x166/0x900
 do_signal+0x30/0x700
 ? force_sig_info_to_task+0xba/0xd0
 __prepare_exit_to_usermode+0x14a/0x1e0
 ? asm_exc_page_fault+0x8/0x30
 prepare_exit_to_usermode+0x5/0x30
 asm_exc_page_fault+0x1e/0x30
RIP: 0033:0x7f4e072ff8d2
Code: bf 01 00 00 00 41 c1 e9 03 49 89 f8 41 81 e1 ff 1f 00 00 41 83 f9 01 0f 84 3b 05 00 00 4e 8b 04 e7 4d 85 c0 0f 84 26 02 00 00 <49> 8b 30 48 89 f0 83 e0 07 0f 85 ff 01 00 00 44 8b 0e 48 89 f2 41
RSP: 002b:00007fff588776f0 EFLAGS: 00010206
RAX: 0000000000000000 RBX: 000036029c2e2760 RCX: 0000000000000006
RDX: 0000000000000000 RSI: 00007f4df0679000 RDI: 00007f4dc81109d8
RBP: 00007f4df111edc8 R08: 0000000000006000 R09: 0000000000000014
R10: 00007f4dc5b02000 R11: 00007f4e072fe250 R12: 0000000000000001
R13: 0000000000000040 R14: 0000000000000003 R15: 0000000000000001
Modules linked in: uinput xt_CHECKSUM xt_MASQUERADE nf_nat_tftp nf_conntrack_netbios_ns nf_conntrack_broadcast nf_conntrack_tftp xt_CT ip6t_REJECT nf_reject_ipv6 ip6t_rpfilter ipt_REJECT nf_reject_ipv4 xt_conntrack ebtable_nat ebtable_broute ip6table_nat ip6table_mangle ip6table_raw ip6table_security iptable_nat nf_nat iptable_mangle iptable_raw iptable_security nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ebtable_filter ebtables tun bridge stp llc ip_set nfnetlink ip6table_filter ip6_tables iptable_filter sunrpc ath9k ath9k_common ath9k_hw snd_hda_codec_realtek mac80211 intel_rapl_msr intel_rapl_common pn544_mei mei_phy snd_hda_codec_generic snd_hda_codec_hdmi pn544 ledtrig_audio x86_pkg_temp_thermal intel_powerclamp snd_hda_intel ath coretemp snd_intel_dspcfg rapl hci pcspkr nfc intel_cstate intel_uncore mei_hdcp cfg80211 snd_hda_codec iTCO_wdt intel_pmc_bxt iTCO_vendor_support libarc4 joydev snd_hda_core toshiba_acpi mei_me wmi_bmof mei snd_hwdep snd_seq sparse_keymap lpc_ich
 tpm_infineon snd_seq_device snd_pcm snd_timer snd industrialio toshiba_haps soundcore toshiba_bluetooth rfkill ip_tables i915 rtsx_pci_sdmmc mmc_core i2c_algo_bit drm_kms_helper crct10dif_pclmul crc32_pclmul crc32c_intel cec e1000e ghash_clmulni_intel drm yenta_socket serio_raw rtsx_pci wmi video fuse