Backtrace

general protection fault, probably for non-canonical address 0xfef9782cfefc20c6: 0000 [#1] SMP PTI
CPU: 0 PID: 115 Comm: kswapd0 Tainted: P           OE     5.12.8-300.fc34.x86_64 #1
Hardware name: Dell Inc. Inspiron N4050/02JCHC, BIOS A08 08/03/2012
RIP: 0010:native_queued_spin_lock_slowpath+0x194/0x1d0
Code: ff ff ff c6 42 01 00 e9 21 ff ff ff c1 ef 12 83 e0 03 83 ef 01 48 c1 e0 05 48 63 ff 48 05 00 b1 02 00 48 03 04 fd 00 59 4a 95 <48> 89 08 8b 41 08 85 c0 75 09 f3 90 8b 41 08 85 c0 74 f7 48 8b 39
RSP: 0018:ffffb597801a7b70 EFLAGS: 00010286
RAX: fef9782cfefc20c6 RBX: ffff896e27613d80 RCX: ffff896f1ba2b100
RDX: ffff896ec46aab48 RSI: 0000000000040000 RDI: 0000000000003fcc
RBP: ffff896ec46aab48 R08: 0000000000040000 R09: ffff896e2d9cc980
R10: 0000000000000000 R11: 0000000000000000 R12: ffff896ec46aaac0
R13: ffff896e27613dd8 R14: ffff896f0187c870 R15: 0000000000000400
FS:  0000000000000000(0000) GS:ffff896f1ba00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000042d213ab008 CR3: 000000001ba10003 CR4: 00000000000606f0
Call Trace:
 _raw_spin_lock+0x1a/0x20
 shrink_lock_dentry.part.0+0x6a/0xf0
 shrink_dentry_list+0x24/0xc0
 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 rfcomm 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 ip6table_filter ip6_tables iptable_filter bnep sunrpc snd_hda_codec_hdmi intel_rapl_msr intel_rapl_common snd_hda_codec_idt snd_hda_codec_generic x86_pkg_temp_thermal snd_hda_intel intel_powerclamp iTCO_wdt uvcvideo coretemp snd_intel_dspcfg intel_pmc_bxt at24 mei_hdcp iTCO_vendor_support snd_intel_sdw_acpi kvm_intel snd_hda_codec videobuf2_vmalloc dell_laptop ledtrig_audio kvm videobuf2_memops dell_smm_hwmon videobuf2_v4l2 videobuf2_common btusb irqbypass btrtl rapl intel_cstate btbcm wl(POE) btintel snd_hda_core intel_uncore bluetooth snd_hwdep
 videodev cfg80211 snd_seq dell_wmi snd_seq_device dell_smbios dcdbas snd_pcm sparse_keymap dell_wmi_descriptor joydev wmi_bmof pcspkr mc ecdh_generic i2c_i801 ecc mei_me snd_timer i2c_smbus lpc_ich rfkill snd mei soundcore zram ip_tables i915 i2c_algo_bit drm_kms_helper crct10dif_pclmul crc32_pclmul crc32c_intel cec ums_realtek ghash_clmulni_intel uas drm serio_raw usb_storage r8169 wmi video fuse