Backtrace

WARNING: CPU: 0 PID: 10 at lib/percpu-refcount.c:161 percpu_ref_switch_to_atomic_rcu+0x119/0x120
Modules linked in: ppp_deflate bsd_comp ppp_async ppp_generic slhc hid_logitech_hidpp hid_logitech_dj rfcomm binfmt_misc xt_nat veth nf_conntrack_netlink xt_addrtype br_netfilter xt_CHECKSUM xt_MASQUERADE nf_nat_tftp nf_conntrack_tftp tun bridge stp llc ccm nf_conntrack_netbios_ns nf_conntrack_broadcast xt_CT ip6t_REJECT nf_reject_ipv6 ip6t_rpfilter ipt_REJECT nf_reject_ipv4 xt_conntrack ebtable_nat ebtable_broute ip6table_nat ip6table_mangle ip6table_raw ip6table_security iptable_nat nf_nat iptable_mangle iptable_raw iptable_security nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip_set nfnetlink ebtable_filter overlay ebtables ip6table_filter ip6_tables iptable_filter cmac bnep rpcrdma ib_isert iscsi_target_mod ib_iser ib_srpt target_core_mod ib_srp scsi_transport_srp ib_ipoib rdma_ucm vfat fat ib_umad squashfs iw_cxgb4 ib_uverbs loop rdma_cm iw_cm ib_cm ib_core snd_hda_codec_hdmi snd_soc_skl snd_soc_sst_ipc snd_soc_sst_dsp snd_hda_ext_core snd_soc_acpi_intel_match ath9k
 snd_soc_acpi snd_soc_core snd_hda_codec_realtek ath9k_common snd_hda_codec_generic ath9k_hw snd_compress ac97_bus snd_pcm_dmaengine snd_hda_intel ath3k snd_intel_dspcfg x86_pkg_temp_thermal intel_powerclamp mac80211 coretemp snd_hda_codec btusb kvm_intel btrtl ath btbcm snd_hda_core mei_hdcp kvm dell_laptop iTCO_wdt iTCO_vendor_support ledtrig_audio intel_rapl_msr btintel snd_hwdep snd_seq bluetooth uvcvideo videobuf2_vmalloc irqbypass rtsx_usb_ms videobuf2_memops snd_seq_device cfg80211 intel_cstate dell_wmi intel_uncore snd_pcm dell_smm_hwmon videobuf2_v4l2 intel_hid memstick dell_smbios ecdh_generic videobuf2_common intel_rapl_perf snd_timer snd dcdbas libarc4 videodev rfkill soundcore sparse_keymap i2c_i801 dell_wmi_descriptor wmi_bmof mc ecc processor_thermal_device mei_me intel_rapl_common joydev intel_xhci_usb_role_switch idma64 mei roles intel_soc_dts_iosf intel_pch_thermal int3403_thermal int3402_thermal int3400_thermal int340x_thermal_zone acpi_thermal_rel acpi_pad
 lz4 zram auth_rpcgss ip_tables xfs dm_crypt amdgpu amd_iommu_v2 gpu_sched i915 radeon rtsx_usb_sdmmc mmc_core ttm hid_multitouch cec i2c_algo_bit drm_kms_helper crct10dif_pclmul crc32_pclmul drm ghash_clmulni_intel serio_raw r8169 rtsx_usb wmi i2c_hid video pinctrl_sunrisepoint pinctrl_intel dm_multipath scsi_dh_rdac scsi_dh_emc scsi_dh_alua btrfs blake2b_generic xor raid6_pq libcrc32c crc32c_intel sunrpc be2iscsi bnx2i cnic uio cxgb4i cxgb4 cxgb3i cxgb3 mdio libcxgbi libcxgb qla4xxx iscsi_boot_sysfs iscsi_tcp libiscsi_tcp libiscsi fuse scsi_transport_iscsi
CPU: 0 PID: 10 Comm: ksoftirqd/0 Not tainted 5.7.7-100.fc31.x86_64 #1
Hardware name: Dell Inc. Inspiron 3576/0208V7, BIOS 1.3.0 03/01/2018
RIP: 0010:percpu_ref_switch_to_atomic_rcu+0x119/0x120
Code: eb af 80 3d 20 99 70 01 00 0f 85 63 ff ff ff 48 8b 55 d8 48 8b 75 e8 48 c7 c7 a8 13 3e bb c6 05 04 99 70 01 01 e8 e9 42 bd ff <0f> 0b e9 41 ff ff ff 41 54 49 89 f4 55 48 89 fd 53 48 83 ec 28 48
RSP: 0018:ffffb5eb400abdc0 EFLAGS: 00010282
RAX: 0000000000000046 RBX: 7ffffffffffffff6 RCX: 0000000000000000
RDX: 0000000000000046 RSI: ffffffffbc37f3e6 RDI: 0000000000000246
RBP: ffff8dcf84a17958 R08: 00001cd1d01057d0 R09: 0000000000000046
R10: 0000000000000000 R11: 00000000bc37f3ab R12: 0000481bb0623250
R13: 0000000000000000 R14: ffff8dcf8d1b2700 R15: ffff8dcf8f42bc50
FS:  0000000000000000(0000) GS:ffff8dcf8f400000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000562b29b9b5e0 CR3: 000000044bade006 CR4: 00000000003606f0
Call Trace:
 rcu_do_batch+0x18f/0x3a0
 rcu_core+0x189/0x2e0
 __do_softirq+0xee/0x2ff
 run_ksoftirqd+0x26/0x40
 smpboot_thread_fn+0xc5/0x160
 kthread+0xf9/0x130
 ? sort_range+0x20/0x20
 ? kthread_park+0x90/0x90
 ret_from_fork+0x35/0x40