Backtrace

list_add corruption. next->prev should be prev (ffff90c4324d1be0), but was 0000000000000000. (next=ffff90c335c03990).
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kernel BUG at lib/list_debug.c:23!
invalid opcode: 0000 [#1] SMP PTI
CPU: 0 PID: 1196 Comm: gst-plugin-scan Not tainted 5.8.15-301.fc33.x86_64 #1
Hardware name: eMachines  eMachines E510  /Rhine    , BIOS V1.45 11/10/2008
RIP: 0010:__list_add_valid.cold+0xf/0x3f
Code: 39 fe 0f 85 71 00 00 00 48 8b 52 08 48 39 f2 0f 85 56 00 00 00 b8 01 00 00 00 c3 4c 89 c1 48 c7 c7 78 07 40 a2 e8 c3 97 b4 ff <0f> 0b 48 89 f2 4c 89 c1 48 89 fe 48 c7 c7 28 08 40 a2 e8 ac 97 b4
RSP: 0018:ffffa28b811b3b40 EFLAGS: 00010292
RAX: 0000000000000075 RBX: ffff90c4324d1b40 RCX: 0000000000000000
RDX: ffff90c43bc270a0 RSI: ffff90c43bc18d10 RDI: ffff90c43bc18d10
RBP: ffff90c4324d1b98 R08: 0000000000000403 R09: 0000000000000003
R10: 0000000000000000 R11: 0000000000000001 R12: ffff90c335bd1780
R13: ffff90c335bd1810 R14: ffff90c335c03990 R15: ffff90c4324d1be0
FS:  00007fc0ff243740(0000) GS:ffff90c43bc00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000557eabb6c000 CR3: 0000000136ffe000 CR4: 00000000000006f0
Call Trace:
 d_alloc+0x5c/0xa0
 d_alloc_parallel+0x48/0x470
 ? asm_common_interrupt+0x1e/0x40
 ? avc_has_perm_noaudit+0x3d/0xd0
 __lookup_slow+0x4b/0x130
 walk_component+0x11b/0x190
 link_path_walk.part.0+0x205/0x340
 ? path_init+0x269/0x410
 path_lookupat+0x3f/0x1c0
 filename_lookup+0x97/0x180
 ? strncpy_from_user+0x47/0x140
 ? getname_flags.part.0+0x45/0x1a0
 ? user_path_at_empty+0x3f/0x80
 vfs_statx+0x6d/0x110
 __do_sys_newstat+0x26/0x40
 ? _cond_resched+0x16/0x40
 ? down_write_killable+0xe/0x50
 ? __do_sys_brk+0x188/0x230
 do_syscall_64+0x4d/0x90
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x7fc0ff6d578a
Code: 00 00 75 05 48 83 c4 18 c3 e8 c2 fc 01 00 66 90 f3 0f 1e fa 41 89 f8 48 89 f7 48 89 d6 41 83 f8 01 77 2d b8 04 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 06 c3 0f 1f 44 00 00 48 8b 15 b9 36 0d 00 f7
RSP: 002b:00007ffea4b39298 EFLAGS: 00000246 ORIG_RAX: 0000000000000004
RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fc0ff6d578a
RDX: 00007ffea4b392a0 RSI: 00007ffea4b392a0 RDI: 0000557eab204c00
RBP: 0000557eab204c00 R08: 0000000000000001 R09: 0000000000000005
R10: 0000000000000020 R11: 0000000000000246 R12: 0000557eab0c8f10
R13: 0000557eab0c8ef0 R14: 0000557eab0c8ed0 R15: 0000557eaafe1180
Modules linked in: 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 sunrpc at24 iTCO_wdt ath5k intel_pmc_bxt iTCO_vendor_support mac80211 ath cfg80211 coretemp snd_hda_codec_realtek snd_hda_codec_generic ledtrig_audio snd_hda_intel acer_wmi joydev snd_intel_dspcfg sparse_keymap mxm_wmi i2c_i801 snd_hda_codec pcspkr i2c_smbus rfkill libarc4 snd_hda_core snd_hwdep snd_seq snd_seq_device snd_pcm snd_timer snd soundcore lpc_ich zram ip_tables i915 i2c_algo_bit drm_kms_helper cec drm serio_raw tg3 ata_generic pata_acpi video wmi fuse