Backtrace

kernel BUG at mm/shmem.c:878!
invalid opcode: 0000 [#2] SMP NOPTI
CPU: 3 PID: 329551 Comm: VideoCaptureThr Tainted: G      D W         5.8.15-301.fc33.x86_64 #1
Hardware name: LENOVO 20T1S39D08/20T1S39D08, BIOS N2YET26W (1.15 ) 12/10/2020
RIP: 0010:shmem_undo_range+0x344/0x890
Code: 40 00 fb 66 0f 1f 44 00 00 48 81 c4 48 01 00 00 5b 5d 41 5c 41 5d 41 5e 41 5f c3 48 c7 c6 40 8d 3b a8 4c 89 ff e8 7c 4d 01 00 <0f> 0b 49 8b 17 49 8b 47 20 f7 c2 00 00 01 00 0f 84 da fd ff ff 41
RSP: 0018:ffffa73a41847a90 EFLAGS: 00010296
RAX: 0000000000000021 RBX: ffffffffffffffff RCX: ffff9592ac4d8d18
RDX: 00000000ffffffd8 RSI: 0000000000000027 RDI: ffff9592ac4d8d10
RBP: ffffa73a41847b58 R08: 0000000000003458 R09: ffffa73a41847928
R10: 0000000000000000 R11: ffffa73a4184792f R12: ffffa73a41847ae0
R13: 000000000000005c R14: 0000000000000002 R15: ffffda0d17144840
FS:  00007f7f123f1640(0000) GS:ffff9592ac4c0000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055f47f227e00 CR3: 0000000023a0a003 CR4: 00000000003606e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 shmem_evict_inode+0xd8/0x240
 ? var_wake_function+0x20/0x20
 evict+0xd1/0x1a0
 __dentry_kill+0xe4/0x180
 dput+0x13c/0x360
 __fput+0x131/0x250
 task_work_run+0x65/0xa0
 do_exit+0x34c/0xaf0
 do_group_exit+0x33/0xa0
 get_signal+0x179/0x8d0
 ? handle_mm_fault+0xf46/0x1950
 do_signal+0x30/0x700
 ? __x64_sys_futex+0x124/0x13d
 __prepare_exit_to_usermode+0x11f/0x1a0
 do_syscall_64+0x59/0x90
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x7f7f2c85f6c2
Code: Bad RIP value.
RSP: 002b:00007f7f123f0380 EFLAGS: 00000282 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 0000000000000000 RCX: 00007f7f2c85f6c2
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f7f123f0508
RBP: 00007f7f123f04e0 R08: 0000000000000000 R09: 0000000000000050
R10: 0000000000000000 R11: 0000000000000282 R12: 0000000000000000
R13: 00007f7f123f04b8 R14: 00007f7f123f0508 R15: 00007f7f123f03b0
Modules linked in: uinput ccm rfcomm 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 cmac ip_set nf_tables nfnetlink ip6table_filter ip6_tables iptable_filter bnep sunrpc vfat fat snd_soc_skl_hda_dsp snd_hda_codec_hdmi snd_soc_hdac_hdmi elan_i2c snd_hda_codec_realtek snd_hda_codec_generic snd_soc_dmic snd_sof_pci snd_sof_intel_byt snd_sof_intel_ipc snd_sof_intel_hda_common snd_soc_hdac_hda snd_sof_xtensa_dsp snd_sof_intel_hda snd_sof snd_soc_skl snd_soc_sst_ipc snd_soc_sst_dsp snd_hda_ext_core snd_soc_acpi_intel_match snd_soc_acpi iTCO_wdt intel_pmc_bxt iTCO_vendor_support snd_soc_core x86_pkg_temp_thermal intel_powerclamp snd_compress ac97_bus snd_pcm_dmaengine coretemp mei_hdcp
 mei_wdt snd_hda_intel snd_intel_dspcfg intel_rapl_msr kvm_intel snd_hda_codec kvm iwlmvm snd_hda_core snd_hwdep irqbypass rapl intel_cstate snd_seq mac80211 intel_uncore snd_seq_device joydev snd_pcm pcspkr i2c_i801 wmi_bmof intel_wmi_thunderbolt snd_timer i2c_smbus libarc4 btusb uvcvideo btrtl btbcm btintel videobuf2_vmalloc videobuf2_memops thunderbolt iwlwifi bluetooth videobuf2_v4l2 videobuf2_common cfg80211 videodev thinkpad_acpi ucsi_acpi processor_thermal_device mei_me typec_ucsi intel_rapl_common ecdh_generic mc ecc mei ledtrig_audio intel_soc_dts_iosf typec snd soundcore int3403_thermal rfkill int340x_thermal_zone intel_hid int3400_thermal acpi_thermal_rel sparse_keymap acpi_pad zram ip_tables dm_crypt i915 i2c_algo_bit rtsx_pci_sdmmc crct10dif_pclmul mmc_core drm_kms_helper crc32_pclmul crc32c_intel cec drm ghash_clmulni_intel nvme e1000e serio_raw nvme_core rtsx_pci wmi pinctrl_cannonlake pinctrl_intel video fuse