Backtrace

watchdog: BUG: soft lockup - CPU#2 stuck for 27s! [IPC Launch:50941]
Modules linked in: exfat udf tun nf_tables nfnetlink uinput tls rfcomm snd_seq_dummy snd_hrtimer qrtr ns bnep sunrpc binfmt_misc squashfs loop iwldvm intel_rapl_msr intel_rapl_common mac80211 x86_pkg_temp_thermal snd_ctl_led intel_powerclamp coretemp snd_hda_codec_idt snd_hda_codec_generic libarc4 kvm_intel snd_hda_codec_hdmi ledtrig_audio iTCO_wdt ppdev intel_pmc_bxt mei_wdt mei_hdcp iTCO_vendor_support at24 iwlwifi uvcvideo snd_hda_intel snd_intel_dspcfg snd_intel_sdw_acpi btusb snd_hda_codec btrtl btbcm btintel snd_hda_core videobuf2_vmalloc kvm snd_hwdep videobuf2_memops bluetooth videobuf2_v4l2 snd_seq videobuf2_common irqbypass snd_seq_device snd_pcm rapl hp_wmi intel_cstate videodev cfg80211 platform_profile intel_uncore snd_timer joydev wmi_bmof pcspkr snd ecdh_generic i2c_i801 sparse_keymap mei_me mc i2c_smbus lpc_ich mei rfkill parport_pc soundcore parport tpm_infineon hp_accel lis3lv02d wireless_hotkey ip6_tables ip_tables ipmi_devintf ipmi_msghandler zram nouveau
 crct10dif_pclmul crc32_pclmul crc32c_intel drm_ttm_helper ttm i2c_algo_bit drm_kms_helper ghash_clmulni_intel sdhci_pci cqhci cec mxm_wmi firewire_ohci sdhci uas drm firewire_core e1000e mmc_core usb_storage crc_itu_t serio_raw video wmi fuse
CPU: 2 PID: 50941 Comm: IPC Launch Tainted: G      D W         5.14.10-300.fc35.x86_64 #1
Hardware name: Hewlett-Packard HP EliteBook 8570w/176B, BIOS 68IAV Ver. F.40 01/31/2013
RIP: 0010:native_queued_spin_lock_slowpath+0x5e/0x1d0
Code: 2a 08 0f 92 c1 8b 02 0f b6 c9 c1 e1 08 30 e4 09 c8 a9 00 01 ff ff 0f 85 11 01 00 00 85 c0 74 0e 8b 02 84 c0 74 08 f3 90 8b 02 <84> c0 75 f8 b8 01 00 00 00 66 89 02 c3 8b 37 b9 00 02 00 00 81 fe
RSP: 0018:ffff9b5c471e7af0 EFLAGS: 00000202
RAX: 0000000000000101 RBX: ffff8a6e80d18c00 RCX: 0000000000000000
RDX: ffff8a6e80227790 RSI: 0000000000000000 RDI: ffff8a6e80227790
RBP: ffff8a6f42064520 R08: 0000000000000100 R09: ffff8a6e9ae1b500
R10: ffff9b5c471e7c38 R11: 0000000000000000 R12: ffff8a6f42064520
R13: 0000000000000000 R14: ffff8a6f42064528 R15: ffff8a6f42064520
FS:  00007fd0a2585640(0000) GS:ffff8a6fb5c80000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fd0a2583458 CR3: 00000000821d4001 CR4: 00000000001706e0
Call Trace:
 _raw_spin_lock+0x1a/0x20
 kobject_add_internal+0x67/0x2c0
 kobject_add+0x6e/0x90
 ? __cond_resched+0x16/0x40
 device_add+0x11a/0x960
 ? dev_set_name+0x43/0x50
 netdev_register_kobject+0x8b/0x180
 register_netdevice+0x395/0x5b0
 register_netdev+0x1c/0x40
 loopback_net_init+0x48/0x90
 ops_init+0x3a/0x100
 setup_net+0x108/0x280
 copy_net_ns+0x10e/0x260
 create_new_namespaces+0x113/0x2e0
 copy_namespaces+0x81/0xc0
 copy_process+0xe88/0x1c20
 kernel_clone+0x87/0x380
 __do_sys_clone+0x52/0x60
 do_syscall_64+0x3b/0x90
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7fd0d785a7c6
Code: 85 ff 74 3e 48 83 e6 f0 74 38 48 89 4e f8 48 83 ee 10 48 89 3e 48 89 d7 4c 89 c2 4d 89 c8 4c 8b 54 24 08 b8 38 00 00 00 0f 05 <48> 85 c0 7c 13 74 01 c3 31 ed 58 5f ff d0 48 89 c7 b8 3c 00 00 00
RSP: 002b:00007fd0a2583438 EFLAGS: 00000206 ORIG_RAX: 0000000000000038
RAX: ffffffffffffffda RBX: 00007fd08d2d6ce0 RCX: 00007fd0d785a7c6
RDX: 00007fd084d5e000 RSI: 00007fd0a2584430 RDI: 0000000058000011
RBP: 00007fd0a25847a0 R08: 0000000000000040 R09: 0000000000000040
R10: 0000000000000000 R11: 0000000000000206 R12: 00000000000003e8
R13: 00007fd03caac880 R14: 00007fd0a2584608 R15: 00000000000003e8