Backtrace

WARNING: CPU: 2 PID: 38 at mm/mmu_notifier.c:502 __mmu_notifier_invalidate_range_start.cold+0x4a/0x56
Modules linked in: uinput hidp 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 cmac bnep sunrpc nls_utf8 hfsplus intel_rapl_msr intel_rapl_common x86_pkg_temp_thermal intel_powerclamp coretemp iTCO_wdt intel_pmc_bxt mei_hdcp iTCO_vendor_support kvm_intel kvm applesmc wl(POE) irqbypass rapl intel_cstate intel_uncore cfg80211 btusb btrtl btbcm snd_hda_codec_cirrus snd_hda_codec_generic ledtrig_audio btintel snd_hda_codec_hdmi bluetooth snd_hda_intel pcspkr snd_intel_dspcfg thunderbolt
 snd_intel_sdw_acpi snd_hda_codec i2c_i801 i2c_smbus lpc_ich ecdh_generic bcm5974 joydev ecc apple_mfi_fastcharge rfkill snd_hda_core snd_hwdep snd_seq snd_seq_device snd_pcm mei_me sbs sbshc acpi_als mei kfifo_buf industrialio spi_pxa2xx_platform snd_timer dw_dmac snd apple_bl soundcore spi_pxa2xx_pci binfmt_misc zram ip_tables i915 i2c_algo_bit drm_kms_helper crct10dif_pclmul crc32_pclmul crc32c_intel cec drm ghash_clmulni_intel hid_apple video applespi fuse
CPU: 2 PID: 38 Comm: kcompactd0 Tainted: P           OE     5.12.17-300.fc34.x86_64 #1
Hardware name: Apple Inc. MacBookAir6,1/Mac-35C1E88140C3E6CF, BIOS 430.0.0.0.0 12/17/2020
RIP: 0010:__mmu_notifier_invalidate_range_start.cold+0x4a/0x56
Code: b6 89 54 24 04 e8 c6 7f ff ff f6 45 20 01 8b 54 24 04 75 16 83 fa f5 75 11 49 83 7f 30 00 74 0e 0f 0b 41 89 d5 e9 d8 59 75 ff <0f> 0b eb eb 41 89 d5 e9 cc 59 75 ff 49 39 de 74 4b 48 c7 c7 80 30
RSP: 0018:ffffc0620018bab8 EFLAGS: 00010202
RAX: 0000000000000061 RBX: ffff9d704c95ab98 RCX: 0000000000000000
RDX: 00000000fffffff0 RSI: ffff9d71ab3185c0 RDI: ffff9d71ab3185c0
RBP: ffffc0620018bb30 R08: 0000000000000000 R09: ffffc0620018b8f0
R10: ffffc0620018b8e8 R11: ffffffffb6b45fc8 R12: ffff9d707f012420
R13: 0000000000000000 R14: 0000000000000001 R15: ffffffffc06246a0
FS:  0000000000000000(0000) GS:ffff9d71ab300000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000459da724 CR3: 0000000114a10002 CR4: 00000000001706e0
Call Trace:
 try_to_unmap_one+0xa3c/0xd40
 ? migrate_page_move_mapping+0x8b/0x740
 rmap_walk_file+0x152/0x2e0
 try_to_unmap+0xa6/0xe0
 ? page_remove_rmap+0x330/0x330
 ? anon_vma_ctor+0x40/0x40
 ? page_get_anon_vma+0x80/0x80
 migrate_pages+0x4eb/0xf30
 ? isolate_freepages_block+0x3c0/0x3c0
 ? split_map_pages+0x160/0x160
 ? migrate_page_states+0x290/0x290
 compact_zone+0x5f8/0xd10
 ? dequeue_entity+0xc9/0x460
 ? __switch_to_asm+0x42/0x70
 proactive_compact_node+0x7b/0xb0
 kcompactd+0x2cf/0x350
 ? finish_wait+0x80/0x80
 ? kcompactd_do_work+0x250/0x250
 kthread+0x127/0x150
 ? set_kthread_struct+0x40/0x40
 ret_from_fork+0x22/0x30