Backtrace

list_del corruption. prev->next should be fffffa7685113e48, but was fffffa7685d93e48
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kernel BUG at lib/list_debug.c:51!
invalid opcode: 0000 [#4] SMP NOPTI
CPU: 3 PID: 7740 Comm: pool-3-thread-3 Tainted: G    B D           5.12.8-300.fc34.x86_64 #1
Hardware name: Dell Inc. Inspiron 3583/0KD03P, BIOS 1.8.0 02/12/2020
RIP: 0010:__list_del_entry_valid.cold+0x31/0x47
Code: 4f 41 9f e8 d3 2b fe ff 0f 0b 48 c7 c7 c0 4f 41 9f e8 c5 2b fe ff 0f 0b 48 89 f2 48 89 fe 48 c7 c7 80 4f 41 9f e8 b1 2b fe ff <0f> 0b 48 89 fe 4c 89 c2 48 c7 c7 48 4f 41 9f e8 9d 2b fe ff 0f 0b
RSP: 0018:ffffa1bd8525fae8 EFLAGS: 00010082
RAX: 0000000000000054 RBX: 0000000000000012 RCX: 0000000000000000
RDX: ffff8a2a8e4e6720 RSI: ffff8a2a8e4d85c0 RDI: ffff8a2a8e4d85c0
RBP: fffffa7685113e40 R08: 0000000000000000 R09: ffffa1bd8525f920
R10: ffffa1bd8525f918 R11: ffffffff9fb45f28 R12: ffff8a28cc4c4000
R13: ffffa1bd8525fb20 R14: ffff8a28cc4c35a8 R15: ffff8a2772118c00
FS:  0000000000000000(0000) GS:ffff8a2a8e4c0000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fef3f98d3c8 CR3: 0000000073a10005 CR4: 00000000003706e0
Call Trace:
 release_pages+0x2dc/0x560
 ? lru_add_drain_cpu+0x7f/0x130
 tlb_flush_mmu+0x4b/0x170
 unmap_page_range+0xb00/0xe10
 unmap_vmas+0x6a/0xd0
 exit_mmap+0x8e/0x1a0
 mmput+0x61/0x140
 do_exit+0x2fe/0xab0
 do_group_exit+0x33/0xa0
 get_signal+0x16b/0x890
 arch_do_signal_or_restart+0xfc/0x710
 ? __x64_sys_futex+0x73/0x1b0
 exit_to_user_mode_prepare+0xde/0x1b0
 syscall_exit_to_user_mode+0x18/0x40
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7fef40f7ca8a
Code: Unable to access opcode bytes at RIP 0x7fef40f7ca60.
RSP: 002b:00007fee7eadfbc0 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 0000000000000000 RCX: 00007fef40f7ca8a
RDX: 0000000000000000 RSI: 0000000000000189 RDI: 00007fee8401f67c
RBP: 0000000000000000 R08: 0000000000000000 R09: 00000000ffffffff
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fee8401f67c R14: 0000000000000001 R15: 0000000000000000
Modules linked in: uinput rfcomm snd_seq_dummy snd_hrtimer xt_CHECKSUM xt_MASQUERADE xt_conntrack ipt_REJECT nf_nat_tftp nf_conntrack_tftp bridge stp llc ccm 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 cmac bnep sunrpc vfat fat snd_hda_codec_hdmi snd_sof_pci_intel_cnl snd_sof_intel_hda_common soundwire_intel soundwire_generic_allocation soundwire_cadence snd_sof_intel_hda uvcvideo x86_pkg_temp_thermal snd_sof_pci snd_sof intel_powerclamp snd_sof_xtensa_dsp coretemp videobuf2_vmalloc videobuf2_memops kvm_intel videobuf2_v4l2 iwlmvm snd_soc_skl videobuf2_common snd_soc_hdac_hda kvm snd_hda_ext_core
 snd_soc_sst_ipc snd_soc_sst_dsp snd_soc_acpi_intel_match snd_soc_acpi mac80211 snd_soc_core snd_hda_codec_realtek videodev irqbypass snd_hda_codec_generic iTCO_wdt snd_compress btusb dell_laptop snd_pcm_dmaengine btrtl btbcm btintel libarc4 bluetooth intel_pmc_bxt ecdh_generic ac97_bus wmi_bmof ecc iwlwifi rapl dell_wmi ledtrig_audio dell_smbios dell_wmi_descriptor snd_hda_intel intel_cstate snd_intel_dspcfg snd_intel_sdw_acpi intel_rapl_msr mc dcdbas dell_smm_hwmon ee1004 intel_uncore mei_hdcp iTCO_vendor_support snd_hda_codec snd_hda_core snd_hwdep pcspkr joydev snd_seq idma64 snd_seq_device cfg80211 snd_pcm processor_thermal_device snd_timer processor_thermal_rfim processor_thermal_mbox snd processor_thermal_rapl intel_rapl_common int3403_thermal rfkill intel_hid soundcore int3400_thermal int3402_thermal intel_soc_dts_iosf intel_pch_thermal int340x_thermal_zone acpi_thermal_rel i2c_i801 mei_me i2c_smbus mei sparse_keymap acpi_pad zram ip_tables amdgpu iommu_v2 gpu_sched
 i915 hid_multitouch radeon i2c_algo_bit drm_ttm_helper ttm drm_kms_helper crct10dif_pclmul crc32_pclmul crc32c_intel cec drm nvme ghash_clmulni_intel nvme_core serio_raw i2c_hid_acpi wmi i2c_hid video pinctrl_cannonlake fuse