Backtrace

list_del corruption. prev->next should be ffff9c0833ff5608, but was ffff9c06e53fa608
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kernel BUG at lib/list_debug.c:51!
invalid opcode: 0000 [#2] SMP PTI
CPU: 1 PID: 132727 Comm: kworker/u16:1 Tainted: G      D W         5.8.18-100.fc31.x86_64 #1
Hardware name: LENOVO 2325BA3/2325BA3, BIOS G2ETB7WW (2.77 ) 09/24/2019
Workqueue: netns cleanup_net
RIP: 0010:__list_del_entry_valid.cold+0x31/0x55
Code: 5b 42 a5 e8 e4 7f b5 ff 0f 0b 48 c7 c7 48 5c 42 a5 e8 d6 7f b5 ff 0f 0b 48 89 f2 48 89 fe 48 c7 c7 08 5c 42 a5 e8 c2 7f b5 ff <0f> 0b 48 89 fe 4c 89 c2 48 c7 c7 d0 5b 42 a5 e8 ae 7f b5 ff 0f 0b
RSP: 0018:ffffacc4c995fce8 EFLAGS: 00010282
RAX: 0000000000000054 RBX: ffff9c0833ff5608 RCX: 0000000000000000
RDX: ffff9c0856667060 RSI: ffff9c0856658d00 RDI: ffff9c0856658d00
RBP: ffff9c0833ff5510 R08: ffff9c0856658d00 R09: 0000000000000064
R10: ffffacc4c995fba0 R11: ffffacc4c995fba6 R12: ffff9c0854ab9e68
R13: ffff9c08178ce200 R14: dead000000000100 R15: ffffacc4c995fdc8
FS:  0000000000000000(0000) GS:ffff9c0856640000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f7fc913e000 CR3: 0000000060a0a001 CR4: 00000000001606e0
Call Trace:
 device_pm_remove+0x43/0xe0
 device_del+0x179/0x3f0
 rollback_registered_many+0x3d1/0x500
 ? netdev_run_todo+0x4f/0x270
 unregister_netdevice_many.part.0+0xf/0x70
 default_device_exit_batch+0x13f/0x160
 ? do_wait_intr_irq+0xc0/0xc0
 cleanup_net+0x217/0x330
 process_one_work+0x1b4/0x370
 worker_thread+0x50/0x3b0
 ? process_one_work+0x370/0x370
 kthread+0xfe/0x140
 ? kthread_park+0x90/0x90
 ret_from_fork+0x22/0x30
Modules linked in: uinput vfat fat rfcomm ccm xt_CHECKSUM xt_MASQUERADE ip6table_mangle ip6table_nat iptable_mangle iptable_nat ebtable_filter ebtables tun bridge stp llc nf_log_ipv6 ip6t_REJECT nf_reject_ipv6 xt_hl ip6t_rt nf_log_ipv4 nf_log_common ipt_REJECT nf_reject_ipv4 xt_LOG cmac xt_comment bnep xt_limit xt_addrtype xt_conntrack ip6table_filter ip6_tables nf_conntrack_netbios_ns nf_conntrack_broadcast nf_nat_ftp nf_nat nf_conntrack_ftp nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 iptable_filter sunrpc btusb btrtl btbcm btintel bluetooth ecdh_generic ecc intel_rapl_msr at24 mei_hdcp iTCO_wdt mei_wdt snd_hda_codec_hdmi intel_pmc_bxt iTCO_vendor_support snd_hda_codec_realtek intel_rapl_common snd_hda_codec_generic snd_hda_intel x86_pkg_temp_thermal intel_powerclamp iwldvm coretemp rapl snd_intel_dspcfg intel_cstate snd_hda_codec mac80211 intel_uncore snd_hda_core libarc4 pcspkr snd_hwdep joydev snd_seq iwlwifi snd_seq_device i2c_i801 snd_pcm i2c_smbus wmi_bmof cfg80211
 lpc_ich snd_timer mei_me thinkpad_acpi mei ledtrig_audio snd soundcore rfkill ip_tables i915 mmc_block i2c_algo_bit drm_kms_helper cec drm crct10dif_pclmul sdhci_pci crc32_pclmul crc32c_intel cqhci e1000e sdhci ghash_clmulni_intel mmc_core serio_raw wmi video fuse