Backtrace

list_add corruption. next->prev should be prev (ffff9b5e96ab0310), but was dead000000000122. (next=ffffd2e28132f648).
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kernel BUG at lib/list_debug.c:23!
invalid opcode: 0000 [#3] SMP PTI
CPU: 1 PID: 3247 Comm: Chrome_ChildIOT Tainted: G      D           5.10.12-200.fc33.x86_64 #1
Hardware name: Hewlett-Packard HP Compaq Pro 6300 SFF/339A, BIOS K01 v02.90 07/16/2013
RIP: 0010:__list_add_valid.cold+0xf/0x3f
Code: 48 c7 c6 c0 84 40 a9 48 89 ef 49 c7 c7 f0 ff ff ff e8 15 6b 01 00 e9 97 eb a7 ff 4c 89 c1 48 c7 c7 38 85 40 a9 e8 f1 45 fe ff <0f> 0b 48 89 f2 4c 89 c1 48 89 fe 48 c7 c7 e8 85 40 a9 e8 da 45 fe
RSP: 0018:ffffa9c802bf3cc8 EFLAGS: 00010082
RAX: 0000000000000075 RBX: ffff9b5e96ab0310 RCX: 0000000000000000
RDX: ffff9b5e96aa69e0 RSI: ffff9b5e96a98a80 RDI: ffff9b5e96a98a80
RBP: ffffd2e2806b2bc0 R08: 0000000000000000 R09: ffffa9c802bf3b00
R10: ffffa9c802bf3af8 R11: ffffffffa9b1f6b0 R12: ffff9b5e96ab0300
R13: ffff9b5e9edd1680 R14: ffffd2e2806b2bc8 R15: ffffd2e28132f648
FS:  00007f5a9ff21640(0000) GS:ffff9b5e96a80000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000125e78990010 CR3: 000000001c0b6001 CR4: 00000000000606e0
Call Trace:
 free_unref_page_commit+0x98/0x120
 free_unref_page_list+0x15b/0x1d0
 release_pages+0x404/0x450
 ? flush_tlb_func_common.constprop.0+0x13b/0x220
 tlb_finish_mmu+0x7a/0x1d0
 unmap_region+0xc6/0xe0
 __do_munmap+0x273/0x4f0
 __vm_munmap+0x5a/0xa0
 __x64_sys_munmap+0x28/0x30
 do_syscall_64+0x33/0x40
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x7f5ab100a55d
Code: 00 c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d eb 78 0c 00 f7 d8 64 89 01 48
RSP: 002b:00007f5a9ff1fe78 EFLAGS: 00000246 ORIG_RAX: 000000000000000b
RAX: ffffffffffffffda RBX: 00007f5aa04b3000 RCX: 00007f5ab100a55d
RDX: ffffeda3236ac0e3 RSI: 0000000000080000 RDI: 00007f5aa04b3000
RBP: 00007f5a9ff1fea0 R08: 0000000000000000 R09: 0000125e76e40910
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000612086e
R13: 0000000000000086 R14: 0000000000080000 R15: 0000125e76e2ae60
Modules linked in: uinput veth xt_nat xt_CHECKSUM xt_conntrack ipt_REJECT xt_MASQUERADE nf_nat_tftp nf_conntrack_tftp nf_conntrack_netlink xt_addrtype br_netfilter tun 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 overlay ip6table_filter ip6_tables iptable_filter sunrpc snd_hda_codec_hdmi squashfs loop snd_hda_codec_realtek snd_hda_codec_generic ledtrig_audio snd_hda_intel mt7601u snd_intel_dspcfg soundwire_intel soundwire_generic_allocation mac80211 snd_soc_core snd_compress intel_rapl_msr snd_pcm_dmaengine intel_rapl_common soundwire_cadence snd_hda_codec x86_pkg_temp_thermal intel_powerclamp iTCO_wdt cfg80211 snd_hda_core
 intel_pmc_bxt coretemp iTCO_vendor_support libarc4 mei_wdt ac97_bus snd_hwdep at24 rapl intel_cstate mei_hdcp joydev snd_seq lpc_ich snd_seq_device intel_uncore pcspkr hp_wmi wmi_bmof sparse_keymap i2c_i801 rfkill i2c_smbus snd_pcm mei_me snd_timer tpm_infineon snd mei soundcore zram ip_tables i915 i2c_algo_bit drm_kms_helper cec drm crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw e1000e ata_generic pata_acpi wmi video fuse