Backtrace

WARNING: CPU: 0 PID: 37 at mm/mmu_notifier.c:502 __mmu_notifier_invalidate_range_start.cold+0x40/0x4a
Modules linked in: uinput rfcomm nf_conntrack_netlink nfnetlink xt_CHECKSUM xt_MASQUERADE xt_conntrack xt_addrtype br_netfilter ipt_REJECT nf_reject_ipv4 ip6table_mangle overlay ip6table_nat iptable_mangle iptable_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ebtable_filter ebtables ip6table_filter ip6_tables iptable_filter tun bridge stp llc ccm cmac bnep sunrpc vfat fat intel_rapl_msr mei_hdcp iTCO_wdt intel_pmc_bxt at24 iTCO_vendor_support intel_rapl_common iwlmvm x86_pkg_temp_thermal intel_powerclamp coretemp mac80211 kvm_intel kvm libarc4 uvcvideo iwlwifi snd_hda_codec_conexant snd_hda_codec_generic irqbypass btusb snd_hda_codec_hdmi rapl ledtrig_audio videobuf2_vmalloc intel_cstate btrtl videobuf2_memops intel_uncore snd_hda_intel videobuf2_v4l2 btbcm snd_intel_dspcfg btintel snd_hda_codec videobuf2_common bluetooth snd_hda_core snd_hwdep videodev snd_seq pcspkr snd_seq_device wmi_bmof mc joydev snd_pcm cfg80211 ecdh_generic toshiba_acpi ecc sparse_keymap i2c_i801
 mei_me toshiba_bluetooth lpc_ich i2c_smbus snd_timer industrialio mei snd soundcore rfkill dw_dmac acpi_pad zram ip_tables i915 rtsx_pci_sdmmc hid_logitech_hidpp mmc_core crct10dif_pclmul crc32_pclmul crc32c_intel i2c_algo_bit ghash_clmulni_intel drm_kms_helper cec drm serio_raw hid_logitech_dj r8169 rtsx_pci wmi video fuse
CPU: 0 PID: 37 Comm: kcompactd0 Tainted: G        W         5.9.15-200.fc33.x86_64 #1
Hardware name: TOSHIBA SATELLITE L50-B/Type2 - Board Product Name1, BIOS 2.00 12/11/2014
RIP: 0010:__mmu_notifier_invalidate_range_start.cold+0x40/0x4a
Code: 8a 3a 95 48 c7 c7 80 8a 3a 95 48 0f 44 c8 e8 3f 8d ff ff 41 83 fc f5 75 11 f6 45 20 01 75 0b 41 bd f5 ff ff ff e9 3c f3 79 ff <0f> 0b 45 89 e5 e9 32 f3 79 ff 0f be f1 48 c7 c7 28 8d 3a 95 e8 0f
RSP: 0018:ffffb176001bfac8 EFLAGS: 00010293
RAX: 0000000000000061 RBX: ffff8ca41bb31618 RCX: 0000000000000000
RDX: ffff8ca499227060 RSI: ffff8ca499218d00 RDI: ffff8ca499218d00
RBP: ffffb176001bfb38 R08: 000000000000093f R09: 0000000000000003
R10: 0000000000000000 R11: 0000000000000001 R12: 00000000fffffff0
R13: 0000000000000000 R14: 0000000000000001 R15: ffffffffc03d4280
FS:  0000000000000000(0000) GS:ffff8ca499200000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00002c2d0a35c3d8 CR3: 0000000036a0e002 CR4: 00000000001706f0
Call Trace:
 try_to_unmap_one+0xa8f/0xcb0
 ? migrate_page_move_mapping+0x1fb/0x6b0
 ? mem_cgroup_charge_statistics.constprop.0+0x21/0x50
 rmap_walk_file+0x13f/0x2b0
 try_to_unmap+0xbf/0xd0
 ? page_remove_rmap+0x4c0/0x4c0
 ? page_not_mapped+0x20/0x20
 ? page_get_anon_vma+0x80/0x80
 migrate_pages+0x351/0xe40
 ? isolate_freepages_block+0x390/0x390
 ? split_map_pages+0x150/0x150
 ? migrate_page_copy+0x400/0x400
 compact_zone+0x6e7/0xdc0
 kcompactd_do_work+0xde/0x1f0
 kcompactd+0xb1/0x360
 ? add_wait_queue_exclusive+0x70/0x70
 ? kcompactd_do_work+0x1f0/0x1f0
 kthread+0x11b/0x140
 ? __kthread_bind_mask+0x60/0x60
 ret_from_fork+0x22/0x30