Backtrace

kernel BUG at mm/slub.c:321!
invalid opcode: 0000 [#2] SMP NOPTI
CPU: 3 PID: 2592 Comm: systemd Tainted: G      D           5.14.11-200.fc34.x86_64 #1
Hardware name: LENOVO 20QES16200/20QES16200, BIOS N2HET30W (1.13 ) 07/04/2019
RIP: 0010:__slab_free+0x245/0x4a0
Code: 0f b6 5c 24 1b 44 8b 44 24 1c 48 89 44 24 08 48 8b 54 24 20 4c 8b 4c 24 28 e9 8a fe ff ff 41 f7 45 08 00 0d 21 00 75 98 eb 8d <0f> 0b 49 3b 54 24 28 0f 85 53 ff ff ff 49 8b 44 24 08 49 89 5c 24
RSP: 0018:ffffb90b42253cc0 EFLAGS: 00010046
RAX: ffff918f54f538a0 RBX: ffff918f54f53840 RCX: ffff918f54f53840
RDX: 000000000015000b RSI: ffffd9c88553d4c0 RDI: ffff918f00042800
RBP: ffffb90b42253d68 R08: 0000000000000001 R09: ffffffff8e10b6a5
R10: 0000000000000000 R11: 0000000000000000 R12: ffffd9c88553d4c0
R13: ffff918f00042800 R14: ffff918f54f53840 R15: ffff918f54f53840
FS:  00007f43c0ca3340(0000) GS:ffff91926e4c0000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f2924355910 CR3: 00000001042ac002 CR4: 00000000003706e0
Call Trace:
 ? finish_task_switch.isra.0+0xb1/0x2d0
 ? __mod_memcg_lruvec_state+0x1f/0xe0
 ? __mod_lruvec_page_state+0x5d/0x90
 ? put_ucounts+0x65/0x70
 kfree+0x369/0x3c0
 put_ucounts+0x65/0x70
 __sigqueue_free.part.0+0x3e/0x60
 dequeue_signal+0x106/0x1c0
 signalfd_read+0xf1/0x200
 ? wake_up_q+0x90/0x90
 vfs_read+0x94/0x180
 ksys_read+0x4f/0xc0
 do_syscall_64+0x38/0x90
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7f43c1923912
Code: 48 8b 15 c1 96 00 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb ba 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 0f 05 <48> 3d 00 f0 ff ff 77 56 c3 0f 1f 44 00 00 48 83 ec 28 48 89 54 24
RSP: 002b:00007ffe26fd6698 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f43c1923912
RDX: 0000000000000080 RSI: 00007ffe26fd66b0 RDI: 0000000000000005
RBP: 0000561f34fafa00 R08: 0000000000000000 R09: 0000561f34fb0798
R10: 0000000000000000 R11: 0000000000000246 R12: 0000561f34fb00f0
R13: 00007ffe26fd66b0 R14: 00007ffe26fd6780 R15: 0000000000000001
Modules linked in: cdc_acm nls_utf8 hfsplus uas usb_storage uinput snd_seq_dummy snd_hrtimer xt_CHECKSUM xt_MASQUERADE xt_conntrack ipt_REJECT nf_nat_tftp nf_conntrack_tftp bridge stp llc 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 nf_tables ebtable_nat ebtable_broute 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 nfnetlink ebtable_filter ebtables ip6table_filter ip6_tables iptable_filter bnep sunrpc vfat fat snd_ctl_led snd_soc_skl_hda_dsp snd_soc_intel_hda_dsp_common snd_soc_hdac_hdmi snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic snd_soc_dmic snd_sof_pci_intel_cnl snd_sof_intel_hda_common soundwire_intel soundwire_generic_allocation soundwire_cadence snd_sof_intel_hda snd_sof_pci
 snd_sof_xtensa_dsp snd_sof soundwire_bus snd_soc_skl snd_soc_hdac_hda snd_hda_ext_core snd_soc_sst_ipc snd_soc_sst_dsp snd_soc_acpi_intel_match intel_tcc_cooling snd_soc_acpi x86_pkg_temp_thermal intel_powerclamp snd_soc_core coretemp snd_compress iTCO_wdt kvm_intel ac97_bus intel_pmc_bxt snd_pcm_dmaengine kvm mei_hdcp iTCO_vendor_support iwlmvm snd_hda_intel intel_rapl_msr irqbypass snd_intel_dspcfg snd_intel_sdw_acpi rapl snd_hda_codec intel_cstate mac80211 snd_hda_core intel_uncore libarc4 snd_hwdep pcspkr snd_seq think_lmi snd_seq_device firmware_attributes_class intel_wmi_thunderbolt wmi_bmof snd_pcm i2c_i801 snd_timer uvcvideo i2c_smbus thunderbolt mei_me videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 btusb videobuf2_common mei idma64 iwlwifi btrtl videodev btbcm btintel bluetooth cfg80211 mc processor_thermal_device_pci_legacy joydev thinkpad_acpi apple_mfi_fastcharge processor_thermal_device platform_profile processor_thermal_rfim ecdh_generic
 processor_thermal_mbox processor_thermal_rapl ledtrig_audio ucsi_acpi intel_rapl_common rfkill typec_ucsi intel_pch_thermal intel_soc_dts_iosf typec snd soundcore int3403_thermal int340x_thermal_zone int3400_thermal acpi_thermal_rel acpi_pad acpi_tad binfmt_misc zram ip_tables dm_crypt trusted asn1_encoder hid_logitech_hidpp hid_logitech_dj i915 hid_multitouch i2c_algo_bit ttm drm_kms_helper cec drm crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel e1000e serio_raw nvme nvme_core i2c_hid_acpi i2c_hid wmi video pinctrl_cannonlake hid_apple fuse