Backtrace

BUG: kernel NULL pointer dereference, address: 0000000000000558
#PF: supervisor write access in kernel mode
#PF: error_code(0x0002) - not-present page
PGD 0 P4D 0 
Oops: 0002 [#1] PREEMPT SMP PTI
CPU: 6 PID: 1903 Comm: kworker/6:4 Tainted: G           OE      6.4.12-100.fc37.x86_64 #1
Hardware name: ASUS All Series/X99-A/USB 3.1, BIOS 1901 08/10/2015
Workqueue: pm pm_runtime_work
RIP: 0010:down_write+0x20/0x60
Code: 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 0f 1f 44 00 00 53 48 89 fb e8 4e bc ff ff 65 ff 05 4f 03 08 44 31 c0 ba 01 00 00 00 <f0> 48 0f b1 13 75 27 65 48 8b 04 25 c0 35 03 00 48 89 43 08 65 ff
RSP: 0018:ffffb9d506107d58 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 0000000000000558 RCX: 0000000000000018
RDX: 0000000000000001 RSI: ffff8d5e0277a0d0 RDI: 0000000000000558
RBP: 0000000000000558 R08: ffff8d5e0277a250 R09: ffffb9d506107de8
R10: 0000000000000003 R11: 0000000000000000 R12: ffffffffc03d4660
R13: 0000000000000000 R14: 0000000000000000 R15: ffff8d5e0277a248
FS:  0000000000000000(0000) GS:ffff8d6d0fb80000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000558 CR3: 0000000fdb022004 CR4: 00000000001726e0
Call Trace:
 <TASK>
 ? __die+0x23/0x70
 ? page_fault_oops+0x171/0x4e0
 ? exc_page_fault+0x77/0x170
 ? asm_exc_page_fault+0x26/0x30
 ? down_write+0x20/0x60
 ? down_write+0x12/0x60
 vfio_pci_core_runtime_suspend+0x1e/0x70 [vfio_pci_core]
 pci_pm_runtime_suspend+0x6a/0x1e0
 ? __queue_work+0x1e0/0x450
 ? __pfx_pci_pm_runtime_suspend+0x10/0x10
 __rpm_callback+0x44/0x170
 ? __pfx_pci_pm_runtime_suspend+0x10/0x10
 rpm_callback+0x5d/0x70
 ? __pfx_pci_pm_runtime_suspend+0x10/0x10
 rpm_suspend+0x11a/0x6a0
 ? __pfx_pci_pm_runtime_idle+0x10/0x10
 pm_runtime_work+0x84/0xb0
 process_one_work+0x1c8/0x3c0
 worker_thread+0x51/0x390
 ? __pfx_worker_thread+0x10/0x10
 kthread+0xe8/0x120
 ? __pfx_kthread+0x10/0x10
 ret_from_fork+0x2c/0x50
 </TASK>
Modules linked in: tls uinput nfsv3 nfs_acl nfs lockd grace fscache netfs rfcomm tun snd_seq_dummy snd_hrtimer xt_CHECKSUM ipt_REJECT nf_reject_ipv4 ip6table_mangle ip6table_nat ip6table_filter iptable_mangle xt_nat veth xt_conntrack xt_MASQUERADE nf_conntrack_netlink nfnetlink iptable_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 xt_addrtype iptable_filter br_netfilter iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi qrtr overlay bnep binfmt_misc intel_rapl_msr intel_rapl_common x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel snd_hda_codec_realtek iTCO_wdt intel_pmc_bxt snd_hda_codec_generic snd_hda_codec_hdmi iTCO_vendor_support btusb kvm btrtl snd_hda_intel btbcm btintel btmtk rapl snd_intel_dspcfg snd_intel_sdw_acpi eeepc_wmi snd_hda_codec asus_wmi intel_cstate snd_hda_core bluetooth ledtrig_audio snd_hwdep sparse_keymap snd_seq intel_wmi_thunderbolt wmi_bmof intel_uncore platform_profile i2c_i801 pcspkr rfkill i2c_smbus joydev snd_seq_device snd_pcm nvme snd_timer mei_me nvme_core
 snd lpc_ich nvme_common soundcore mei auth_rpcgss v4l2loopback(OE) videodev sunrpc mc loop zram hid_logitech_hidpp hid_logitech_dj amdgpu radeon iommu_v2 drm_buddy gpu_sched crct10dif_pclmul crc32_pclmul crc32c_intel drm_ttm_helper polyval_clmulni polyval_generic mxm_wmi ttm video ghash_clmulni_intel i2c_algo_bit e1000e sha512_ssse3 drm_suballoc_helper drm_display_helper uas usb_storage cec wmi vfio_pci vfio_pci_core irqbypass vfio_iommu_type1 vfio iommufd scsi_dh_rdac scsi_dh_emc scsi_dh_alua ip6_tables ip_tables dm_multipath fuse bridge stp llc
CR2: 0000000000000558