Backtrace

BUG: kernel NULL pointer dereference, address: 0000000000000540
#PF: supervisor write access in kernel mode
#PF: error_code(0x0002) - not-present page
PGD 0 P4D 0 
Oops: Oops: 0002 [#1] SMP PTI
CPU: 7 UID: 0 PID: 9383 Comm: kworker/7:1 Tainted: G S                  6.15.5-100.fc41.x86_64 #1 PREEMPT(lazy) 
Tainted: [S]=CPU_OUT_OF_SPEC
Hardware name: HUANANZHI /X79M-PRO, BIOS 4.6.5 08/01/2023
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 2e 2e 2e 31 c0 65 ff 05 77 85 35 02 31 c0 ba 01 00 00 00 <f0> 48 0f b1 13 75 26 65 48 8b 05 49 85 35 02 48 89 43 08 65 ff 0d
RSP: 0018:ffffd48485157d10 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 0000000000000540 RCX: 0000000000000019
RDX: 0000000000000001 RSI: ffff8e05039850c8 RDI: 0000000000000540
RBP: 0000000000000540 R08: 0000000000000000 R09: ffff8e0500401bf8
R10: ffff8e0500211cc0 R11: fefefefefefefeff R12: ffffffffc25af760
R13: 0000000000000000 R14: 0000000000000008 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8e0ca7f83000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000540 CR3: 000000010d4f4003 CR4: 00000000000626f0
Call Trace:
 <TASK>
 vfio_pci_core_runtime_suspend+0x1e/0x70 [vfio_pci_core]
 pci_pm_runtime_suspend+0x6a/0x1a0
 ? sched_clock_cpu.part.0+0x43/0x1e0
 ? __pfx_pci_pm_runtime_suspend+0x10/0x10
 __rpm_callback+0x4c/0x1e0
 ? __pfx_pci_pm_runtime_suspend+0x10/0x10
 rpm_callback+0x5f/0x70
 ? __pfx_pci_pm_runtime_suspend+0x10/0x10
 rpm_suspend+0xe5/0x5e0
 ? __wake_up+0x44/0x60
 pm_runtime_work+0x84/0xb0
 process_one_work+0x18d/0x340
 worker_thread+0x256/0x3a0
 ? __pfx_worker_thread+0x10/0x10
 kthread+0xfc/0x240
 ? __pfx_kthread+0x10/0x10
 ret_from_fork+0x34/0x50
 ? __pfx_kthread+0x10/0x10
 ret_from_fork_asm+0x1a/0x30
 </TASK>
Modules linked in: tun nft_masq nft_reject_ipv4 act_csum cls_u32 sch_htb nf_nat_tftp nf_conntrack_tftp bridge stp llc amd vfio_pci vfio_pci_core vfio_iommu_type1 vfio iommufd overlay uinput rfcomm snd_seq_dummy snd_hrtimer 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 nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip_set nf_tables qrtr bnep sunrpc binfmt_misc vfat fat intel_rapl_msr intel_rapl_common rtl8188ee rtl_pci x86_pkg_temp_thermal intel_powerclamp rtlwifi coretemp kvm_intel snd_hda_codec_realtek mac80211 snd_hda_codec_generic snd_hda_scodec_component kvm snd_hda_codec_hdmi snd_hda_intel snd_intel_dspcfg snd_intel_sdw_acpi snd_hda_codec btusb btrtl snd_hda_core btintel snd_hwdep btbcm irqbypass snd_seq btmtk iTCO_wdt rapl intel_cstate intel_pmc_bxt pktcdvd snd_seq_device iTCO_vendor_support libarc4 gpio_ich bluetooth snd_pcm cfg80211 intel_uncore r8169 pcspkr i2c_i801
 snd_timer i2c_smbus snd realtek lpc_ich rfkill joydev soundcore loop nfnetlink zram lz4hc_compress lz4_compress amdgpu amdxcp i2c_algo_bit drm_ttm_helper ttm drm_exec gpu_sched drm_suballoc_helper video drm_panel_backlight_quirks drm_buddy polyval_clmulni nvme polyval_generic drm_display_helper ghash_clmulni_intel sha512_ssse3 nvme_core sha256_ssse3 sha1_ssse3 cec nvme_keyring nvme_auth wmi fuse
CR2: 0000000000000540