Backtrace

general protection fault, probably for non-canonical address 0xffef96930094b000: 0000 [#1] SMP PTI
CPU: 1 PID: 115 Comm: kswapd0 Not tainted 5.11.12-300.fc34.x86_64 #1
Hardware name: ECS H55H-M/H55H-M, BIOS 080016  05/19/2010
RIP: 0010:iput+0xa9/0x1a0
Code: 89 c0 48 0f a3 05 57 a7 a0 01 73 cc 48 8b 05 ee 93 9c 01 48 85 c0 74 0c 48 8b 78 08 48 89 ee e8 5d 05 01 00 eb b2 48 8b 5d 28 <48> 8b 4b 30 a8 08 0f 85 df 00 00 00 48 8b 49 28 48 85 c9 74 63 48
RSP: 0018:ffffbe3a001dfb70 EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffef96930094b000 RCX: 0000000000000000
RDX: 0000000000000001 RSI: ffff969303fb9848 RDI: ffff969303fb9848
RBP: ffff969303fb97c0 R08: ffff9693084fe8e0 R09: ffff969315c27c80
R10: 0000000000000000 R11: 0000000000000000 R12: ffff969303fb9848
R13: ffff9693004947d8 R14: ffff96930094b070 R15: 0000000000000142
FS:  0000000000000000(0000) GS:ffff969337c40000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000011f510836120 CR3: 0000000039a10006 CR4: 00000000000206e0
Call Trace:
 __dentry_kill+0xe1/0x180
 shrink_dentry_list+0x4e/0xc0
 prune_dcache_sb+0x44/0x50
 super_cache_scan+0x12f/0x1f0
 do_shrink_slab+0x142/0x240
 shrink_slab+0x164/0x280
 shrink_node+0x2c8/0x6e0
 balance_pgdat+0x2fa/0x620
 kswapd+0x1e6/0x360
 ? finish_wait+0x80/0x80
 ? balance_pgdat+0x620/0x620
 kthread+0x11b/0x140
 ? kthread_associate_blkcg+0xa0/0xa0
 ret_from_fork+0x22/0x30
Modules linked in: uinput snd_seq_dummy snd_hrtimer 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 rfkill ip6table_filter ip6_tables iptable_filter sunrpc snd_hda_codec_via snd_hda_codec_generic ledtrig_audio snd_hda_codec_hdmi snd_hda_intel snd_intel_dspcfg soundwire_intel soundwire_generic_allocation intel_powerclamp snd_soc_core snd_compress coretemp snd_pcm_dmaengine soundwire_cadence kvm_intel snd_hda_codec kvm snd_hda_core ac97_bus snd_hwdep snd_seq irqbypass iTCO_wdt intel_pmc_bxt gpio_ich iTCO_vendor_support snd_seq_device joydev snd_pcm intel_cstate i2c_i801 intel_uncore i2c_smbus pcspkr snd_timer lpc_ich snd soundcore acpi_cpufreq zram
 ip_tables nouveau video mxm_wmi i2c_algo_bit drm_ttm_helper ttm drm_kms_helper uas crc32c_intel cec drm serio_raw usb_storage ata_generic pata_acpi atl1c wmi fuse