Backtrace

kernel BUG at include/linux/mm.h:727!
invalid opcode: 0000 [#1] SMP PTI
CPU: 0 PID: 3602 Comm: firefox:disk$1 Tainted: G    B             5.12.8-300.fc34.x86_64 #1
Hardware name: Gigabyte Technology Co., Ltd. G41M-Combo/G41M-Combo, BIOS FB 10/25/2012
RIP: 0010:release_pages+0x288/0x560
Code: 0f 44 05 23 a2 ae 01 49 3b 97 88 00 00 00 75 39 49 39 87 e0 02 00 00 75 30 eb 53 48 c7 c6 10 df 38 a8 48 89 ef e8 28 6e 02 00 <0f> 0b 48 c7 c6 10 df 38 a8 48 89 ef e8 17 6e 02 00 0f 0b 48 81 c2
RSP: 0018:ffffb702029a7af0 EFLAGS: 00010086
RAX: 000000000000003e RBX: 0000000000000014 RCX: 0000000000000027
RDX: ffff8d70bbc185c8 RSI: 0000000000000001 RDI: ffff8d70bbc185c0
RBP: fffff912820f5180 R08: 0000000000000000 R09: ffffb702029a7928
R10: ffffb702029a7920 R11: ffffffffa8b45f28 R12: ffff8d6fd1690bf0
R13: ffffb702029a7b20 R14: ffff8d6fd1690bb8 R15: ffff8d6f8566e400
FS:  00007f6fbd914640(0000) GS:ffff8d70bbc00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f8fda494008 CR3: 000000004e3ae000 CR4: 00000000000006f0
Call Trace:
 tlb_flush_mmu+0x4b/0x170
 unmap_page_range+0xb00/0xe10
 unmap_vmas+0x6a/0xd0
 exit_mmap+0x8e/0x1a0
 mmput+0x61/0x140
 do_exit+0x2fe/0xab0
 do_group_exit+0x33/0xa0
 get_signal+0x16b/0x890
 arch_do_signal_or_restart+0xfc/0x710
 ? __check_object_size+0x46/0x150
 ? __x64_sys_futex+0x73/0x1b0
 exit_to_user_mode_prepare+0xde/0x1b0
 syscall_exit_to_user_mode+0x18/0x40
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7f6fe46bba8a
Code: Unable to access opcode bytes at RIP 0x7f6fe46bba60.
RSP: 002b:00007f6fbd913b80 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 0000000000000000 RCX: 00007f6fe46bba8a
RDX: 0000000000000000 RSI: 0000000000000189 RDI: 00007f6fc5ad94c8
RBP: 0000000000000000 R08: 0000000000000000 R09: 00000000ffffffff
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f6fc5ad94c8 R14: 0000000000000000 R15: 0000000000000000
Modules linked in: uinput vfat fat rfcomm snd_hrtimer xt_CHECKSUM xt_MASQUERADE xt_conntrack ipt_REJECT nf_nat_tftp nf_conntrack_tftp bridge stp llc ccm 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 rtl8xxxu rtl8192cu cmac rtl_usb rtl8192c_common rtlwifi bnep mac80211 ppdev coretemp snd_seq_dummy iTCO_wdt sunrpc intel_pmc_bxt gpio_ich snd_seq_oss iTCO_vendor_support kvm_intel snd_emu10k1_synth snd_emux_synth snd_seq_midi_emul snd_seq_virmidi snd_seq_midi snd_seq_midi_event cfg80211 kvm snd_emu10k1 irqbypass btusb btrtl snd_util_mem snd_hda_codec_realtek btbcm snd_hda_codec_generic snd_hda_codec_hdmi
 ledtrig_audio snd_ac97_codec snd_hda_intel joydev btintel bluetooth snd_intel_dspcfg snd_intel_sdw_acpi snd_hda_codec libarc4 pcspkr ac97_bus snd_hda_core i2c_i801 ecdh_generic snd_seq rfkill snd_hwdep snd_rawmidi i2c_smbus emu10k1_gp ecc lpc_ich gameport snd_seq_device snd_pcm parport_pc parport snd_timer snd soundcore acpi_cpufreq zram ip_tables uas usb_storage hid_logitech_hidpp nouveau drm_ttm_helper ttm hid_logitech_dj mxm_wmi wmi i2c_algo_bit video drm_kms_helper cec drm ata_generic serio_raw pata_acpi atl1c fuse