Backtrace

WARNING: CPU: 6 PID: 139 at fs/dcache.c:452 d_lru_shrink_move+0x36/0x40
Modules linked in: uinput dm_crypt snd_seq_dummy snd_hrtimer rfcomm ccm veth xt_nat nf_conntrack_netlink xt_addrtype br_netfilter xt_CHECKSUM xt_MASQUERADE xt_conntrack ipt_REJECT nf_nat_tftp nft_objref nf_conntrack_tftp bridge stp llc 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 overlay nfnetlink ip6table_filter ip6_tables iptable_filter vboxnetadp(OE) vboxnetflt(OE) vboxdrv(OE) cmac bnep sunrpc uvcvideo x86_pkg_temp_thermal btusb iwlmvm btrtl btbcm btintel snd_hda_codec_realtek bluetooth intel_powerclamp videobuf2_vmalloc videobuf2_memops snd_hda_codec_generic coretemp snd_hda_codec_hdmi videobuf2_v4l2 mac80211 videobuf2_common snd_hda_intel kvm_intel snd_intel_dspcfg videodev dell_laptop soundwire_intel
 snd_usb_audio libarc4 soundwire_generic_allocation snd_usbmidi_lib snd_rawmidi snd_soc_core mc ledtrig_audio kvm iwlwifi dell_smm_hwmon iTCO_wdt snd_compress snd_pcm_dmaengine ecdh_generic soundwire_cadence ecc snd_hda_codec irqbypass intel_pmc_bxt iTCO_vendor_support processor_thermal_device mei_wdt snd_hda_core ac97_bus snd_hwdep usblp ppdev processor_thermal_rfim snd_seq rapl processor_thermal_mbox intel_cstate ee1004 mei_hdcp intel_rapl_msr snd_seq_device snd_pcm snd_timer dell_wmi dell_smbios dcdbas wmi_bmof intel_wmi_thunderbolt dell_wmi_descriptor intel_uncore joydev pcspkr sparse_keymap i2c_i801 mei_me cfg80211 snd i2c_smbus processor_thermal_rapl mei intel_rapl_common intel_pch_thermal soundcore intel_soc_dts_iosf parport_pc int3403_thermal parport int3400_thermal int3402_thermal int340x_thermal_zone dell_rbtn dell_smo8800 acpi_thermal_rel rfkill acpi_pad zram ip_tables amdgpu iommu_v2 gpu_sched hid_logitech_hidpp hid_logitech_dj radeon i2c_algo_bit drm_ttm_helper
 ttm drm_kms_helper rtsx_pci_sdmmc mmc_core cec crct10dif_pclmul crc32_pclmul crc32c_intel drm e1000e ghash_clmulni_intel serio_raw rtsx_pci wmi video fuse
CPU: 6 PID: 139 Comm: kswapd0 Tainted: G        W  OE     5.11.12-300.fc34.x86_64 #1
Hardware name: Dell Inc. Precision 7710/08P7T1, BIOS 1.15.4 12/08/2017
RIP: 0010:d_lru_shrink_move+0x36/0x40
Code: 04 08 00 81 f9 00 00 08 00 75 1f 89 c1 80 cd 04 89 0e a9 00 00 70 00 75 08 65 48 ff 0d 4b 0a ce 70 48 83 ee 80 e9 9a 38 f5 ff <0f> 0b eb dd 66 0f 1f 44 00 00 0f 1f 44 00 00 41 55 41 54 55 48 89
RSP: 0018:ffffabf3402c3b20 EFLAGS: 00010287
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: ffffabf3402c3bd8 RSI: ffff9eb7c05e08c0 RDI: ffff9eb7885e0940
RBP: ffff9eb7c05e0940 R08: ffffabf3402c3cd0 R09: ffffabf3402c3cd0
R10: 0000000000000000 R11: 0000000000000000 R12: ffff9eb7c05e0918
R13: 0000000000000000 R14: ffffabf3402c3bd8 R15: ffff9eb7885e0940
FS:  0000000000000000(0000) GS:ffff9ec6be180000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffa283e4a7e000 CR3: 0000000319a10006 CR4: 00000000003726e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 dentry_lru_isolate+0x4f/0xf0
 __list_lru_walk_one+0x77/0x150
 ? __dentry_kill+0x180/0x180
 ? __dentry_kill+0x180/0x180
 list_lru_walk_one+0x47/0x70
 prune_dcache_sb+0x39/0x50
 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