Backtrace

WARNING: CPU: 4 PID: 5008 at lib/refcount.c:28 refcount_warn_saturate+0xa6/0xf0
Modules linked in: snd_seq_dummy snd_hrtimer rfcomm xt_nat veth nf_conntrack_netlink xt_addrtype xt_CHECKSUM xt_MASQUERADE xt_conntrack ipt_REJECT nf_nat_tftp nf_conntrack_tftp tun ccm nft_masq 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 nf_tables_set nft_chain_nat ip6table_nat ip6table_mangle ip6table_raw ip6table_security iptable_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 libcrc32c iptable_mangle iptable_raw iptable_security ip_set overlay nf_tables nfnetlink ip6table_filter ip6_tables iptable_filter cmac bnep sunrpc vfat fat intel_rapl_msr mei_hdcp iTCO_wdt iTCO_vendor_support intel_rapl_common x86_pkg_temp_thermal intel_powerclamp coretemp crct10dif_pclmul crc32_pclmul ghash_clmulni_intel intel_cstate intel_uncore intel_rapl_perf eeepc_wmi asus_wmi sparse_keymap wmi_bmof joydev pcspkr btusb btrtl btbcm btintel bluetooth snd_usb_audio
 snd_usbmidi_lib snd_rawmidi ecdh_generic ecc mc iwlmvm snd_hda_codec_hdmi 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 mac80211 snd_soc_skl snd_soc_sst_ipc snd_soc_sst_dsp snd_hda_codec_realtek snd_hda_ext_core snd_soc_acpi_intel_match snd_soc_acpi snd_hda_codec_generic snd_soc_core ledtrig_audio snd_compress ac97_bus snd_pcm_dmaengine libarc4 snd_hda_intel snd_intel_dspcfg snd_hda_codec iwlwifi snd_hda_core snd_hwdep snd_seq snd_seq_device cfg80211 snd_pcm snd_timer snd acpi_pad acpi_tad mei_me i2c_i801 soundcore mei rfkill ie31200_edac ip_tables i915 i2c_algo_bit cec drm_kms_helper drm crc32c_intel e1000e nvme nvme_core r8169 wmi video br_netfilter bridge stp llc fuse
CPU: 4 PID: 5008 Comm: gnome-shell Not tainted 5.6.10-300.fc32.x86_64 #1
Hardware name: System manufacturer System Product Name/ROG STRIX H370-I GAMING, BIOS 2418 06/04/2019
RIP: 0010:refcount_warn_saturate+0xa6/0xf0
Code: 05 98 52 30 01 01 e8 b0 ed bc ff 0f 0b c3 80 3d 86 52 30 01 00 75 95 48 c7 c7 20 e3 3a 8b c6 05 76 52 30 01 01 e8 91 ed bc ff <0f> 0b c3 80 3d 65 52 30 01 00 0f 85 72 ff ff ff 48 c7 c7 78 e3 3a
RSP: 0018:ffffa993801c0ed8 EFLAGS: 00010096
RAX: 0000000000000026 RBX: ffff9b5f809cc1c0 RCX: 0000000000000007
RDX: 00000000fffffff8 RSI: 0000000000000092 RDI: ffff9b5f8dd19cc0
RBP: ffff9b5f80b9c300 R08: 00000000000004c7 R09: 0000000000000003
R10: 0000000000000000 R11: 0000000000000001 R12: ffffc9937fd04f40
R13: 0000000000000004 R14: ffff9b5f80a2d3d0 R15: ffff9b5f80b9c300
FS:  00007f314435fd00(0000) GS:ffff9b5f8dd00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00001a2c01e50000 CR3: 00000005efffc005 CR4: 00000000003606e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 blk_mq_complete_request+0x6c/0x100
 nvme_complete_cqes+0x69/0x160 [nvme]
 nvme_irq+0xf4/0x100 [nvme]
 __handle_irq_event_percpu+0x42/0x180
 handle_irq_event+0x47/0x8a
 handle_edge_irq+0x87/0x220
 do_IRQ+0x50/0xe0
 common_interrupt+0xf/0xf
 </IRQ>
RIP: 0010:__ia32_sys_getpid+0x0/0x20
Code: 41 78 44 89 c0 c3 0f 1f 40 00 0f 1f 44 00 00 31 d2 31 f6 65 48 8b 3c 25 c0 8b 01 00 e8 79 c8 00 00 48 98 c3 66 0f 1f 44 00 00 <0f> 1f 44 00 00 31 d2 be 01 00 00 00 65 48 8b 3c 25 c0 8b 01 00 e8
RSP: 0018:ffffa993816bbf38 EFLAGS: 00000206 ORIG_RAX: ffffffffffffffdd
RAX: ffffffff8a0f0170 RBX: 0000000000000027 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffa993816bbf58 RDI: ffffa993816bbf58
RBP: ffffa993816bbf58 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
 ? __ia32_sys_gettid+0x20/0x20
 do_syscall_64+0x5b/0xf0
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x7f3147f45feb
Code: 0f 1e fa b9 01 00 00 00 e9 a2 fc ff ff 66 90 f3 0f 1e fa 31 c9 e9 95 fc ff ff 0f 1f 44 00 00 f3 0f 1e fa b8 27 00 00 00 0f 05 <c3> 0f 1f 40 00 f3 0f 1e fa b8 6e 00 00 00 0f 05 c3 0f 1f 40 00 f3
RSP: 002b:00007ffe2be19338 EFLAGS: 00000202 ORIG_RAX: 0000000000000027
RAX: ffffffffffffffda RBX: 00005574374d4eb0 RCX: 00007f3147f45feb
RDX: 0000000000000001 RSI: 0000000000200012 RDI: 00005574371e0000
RBP: 00005574371e0000 R08: 000055743b620d38 R09: 0000000000000005
R10: 00000000000000c0 R11: 0000000000000202 R12: 0000000000200012
R13: 00005574374863a0 R14: 0000000000200012 R15: 000055743720e110