Backtrace

BUG: kernel NULL pointer dereference, address: 0000000000000098
#PF: supervisor read access in kernel mode
#PF: error_code(0x0000) - not-present page
PGD 0 P4D 0 
Oops: 0000 [#1] PREEMPT SMP PTI
CPU: 6 PID: 61 Comm: kcompactd0 Not tainted 6.0.8-200.fc36.x86_64 #1
Hardware name: ASUS All Series/H87M-PRO, BIOS 2102 10/28/2014
RIP: 0010:__anon_vma_interval_tree_subtree_search+0x17/0x70
Code: 0f 42 c2 48 89 47 18 c3 cc cc cc cc 0f 1f 80 00 00 00 00 0f 1f 44 00 00 48 8b 47 30 48 85 c0 74 06 48 39 70 18 73 33 48 8b 0f <4c> 8b 81 98 00 00 00 4c 39 c2 72 33 48 8b 41 08 48 2b 01 48 c1 e8
RSP: 0018:ffffb3ff0025fb88 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 00000007fcbc5094 RSI: 00000007fcbc5094 RDI: ffff940fa8110340
RBP: 0000000000000001 R08: ffffdb80c0519fc8 R09: ffffffffffffffff
R10: 00000000000374d0 R11: ffff94115dfd5000 R12: ffffb3ff0025fbe0
R13: ffffdb80c0519ec0 R14: ffffdb80c0519ec0 R15: 00000007fcbc5094
FS:  0000000000000000(0000) GS:ffff941155d80000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000098 CR3: 0000000138010006 CR4: 00000000001706e0
Call Trace:
 <TASK>
 rmap_walk_anon+0x74/0x240
 try_to_migrate+0xd6/0xf0
 ? try_to_unmap_one+0xd10/0xd10
 ? anon_vma_ctor+0x40/0x40
 ? page_get_anon_vma+0x90/0x90
 ? invalid_mkclean_vma+0x20/0x20
 migrate_pages+0x11ae/0x18b0
 ? isolate_freepages_block+0x3e0/0x3e0
 ? split_map_pages+0x160/0x160
 ? alloc_migration_target+0x200/0x200
 compact_zone+0x969/0xda0
 ? _raw_spin_unlock+0x15/0x30
 ? finish_task_switch.isra.0+0x9b/0x300
 ? __switch_to+0x106/0x420
 ? __schedule+0x33a/0x12b0
 proactive_compact_node+0x7a/0xb0
 kcompactd+0x1d3/0x430
 ? dequeue_task_stop+0x70/0x70
 ? kcompactd_do_work+0x280/0x280
 kthread+0xe9/0x110
 ? kthread_complete_and_exit+0x20/0x20
 ret_from_fork+0x22/0x30
 </TASK>
Modules linked in: xt_nat veth uinput snd_seq_dummy snd_hrtimer xt_conntrack xt_MASQUERADE nf_conntrack_netlink xt_addrtype nft_compat br_netfilter 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 nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip_set overlay nf_tables nfnetlink qrtr sunrpc snd_hda_codec_realtek snd_hda_codec_hdmi snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg snd_intel_sdw_acpi snd_hda_codec intel_rapl_msr snd_hda_core intel_rapl_common snd_hwdep snd_seq x86_pkg_temp_thermal iTCO_wdt intel_powerclamp mei_wdt mei_pxp intel_pmc_bxt at24 mei_hdcp snd_seq_device iTCO_vendor_support coretemp eeepc_wmi rapl snd_pcm asus_wmi ledtrig_audio sparse_keymap platform_profile intel_cstate rfkill intel_uncore snd_timer wmi_bmof pcspkr mei_me snd i2c_i801 soundcore mei lpc_ich i2c_smbus zram nouveau crct10dif_pclmul
 drm_ttm_helper crc32_pclmul crc32c_intel polyval_clmulni ttm polyval_generic mxm_wmi ghash_clmulni_intel drm_display_helper r8169 cec wmi video ip6_tables ip_tables fuse
CR2: 0000000000000098