Backtrace

BUG: kernel NULL pointer dereference, address: 00000000000003d0
#PF: supervisor read access in kernel mode
#PF: error_code(0x0000) - not-present page
PGD 0 P4D 0 
Oops: Oops: 0000 [#1] SMP NOPTI
CPU: 11 UID: 0 PID: 5369 Comm: qemu-event Tainted: G S                  6.16.7-200.fc42.x86_64 #1 PREEMPT(lazy) 
Tainted: [S]=CPU_OUT_OF_SPEC
Hardware name: System manufacturer System Product Name/PRIME B450M-A, BIOS 3211 08/10/2021
RIP: 0010:vfio_pci_core_sriov_configure+0x1a/0x1c0 [vfio_pci_core]
Code: 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 0f 1f 44 00 00 41 57 41 56 41 55 41 54 55 53 48 89 fb 48 83 ec 08 <4c> 8b b7 d0 03 00 00 85 f6 74 4d 48 c7 c7 00 49 71 c2 89 f5 4c 8d
RSP: 0018:ffffd1c44237fd28 EFLAGS: 00010296
RAX: ffffffffc21ee050 RBX: 0000000000000000 RCX: 000a4ace151f68e0
RDX: ffffffffc26e60a0 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffff88b1c23e0000 R08: 0000000000000005 R09: ffff88b1c22f82c1
R10: 000000000000e5ee R11: ffff88b1c0302a10 R12: ffff88b1c22b80c8
R13: ffffffffc26e6108 R14: ffff88b1c22b8148 R15: 0000000000000000
FS:  00007fe7123fe6c0(0000) GS:ffff88b93ffdf000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000000003d0 CR3: 0000000147739000 CR4: 0000000000f50ef0
PKRU: 55555554
Call Trace:
 <TASK>
 vfio_pci_core_unregister_device+0x18/0xc0 [vfio_pci_core]
 vfio_pci_remove+0x19/0x30 [vfio_pci]
 pci_device_remove+0x4a/0xc0
 device_release_driver_internal+0x19e/0x200
 unbind_store+0xa4/0xb0
 kernfs_fop_write_iter+0x138/0x1f0
 vfs_write+0x25d/0x480
 ksys_write+0x73/0xf0
 do_syscall_64+0x7e/0x250
 ? srso_alias_return_thunk+0x5/0xfbef5
 ? do_syscall_64+0xb6/0x250
 ? srso_alias_return_thunk+0x5/0xfbef5
 ? srso_alias_return_thunk+0x5/0xfbef5
 ? irqentry_exit_to_user_mode+0x2c/0x1c0
 entry_SYSCALL_64_after_hwframe+0x76/0x7e
RIP: 0033:0x7fe767f63462
Code: 08 0f 85 61 42 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 66 2e 0f 1f 84 00 00 00 00 00 66
RSP: 002b:00007fe7123fd348 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 000000000000000f RCX: 00007fe767f63462
RDX: 000000000000000c RSI: 00007fe7480641c0 RDI: 000000000000000f
RBP: 00007fe7123fd370 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000000000c
R13: 00007fe7480641c0 R14: 000000000000000f R15: 0000000000000000
 </TASK>
Modules linked in: tun vfio_pci vfio_pci_core vfio_iommu_type1 vfio iommufd nft_masq nft_reject_ipv4 act_csum cls_u32 sch_htb uinput rfcomm snd_seq_dummy snd_hrtimer rpcsec_gss_krb5 auth_rpcgss nfsv4 dns_resolver nfs lockd grace nfs_localio netfs bridge stp llc nf_nat_tftp nf_conntrack_tftp 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 nf_tables qrtr bnep binfmt_misc vfat fat btusb btrtl btintel btbcm btmtk joydev bluetooth snd_hda_codec_realtek snd_hda_codec_generic snd_hda_codec_hdmi snd_hda_scodec_component snd_hda_intel amd_atl snd_intel_dspcfg intel_rapl_msr snd_intel_sdw_acpi intel_rapl_common snd_hda_codec snd_hda_core snd_hwdep snd_seq edac_mce_amd snd_seq_device kvm_amd snd_pcm ee1004 eeepc_wmi kvm snd_timer asus_wmi sparse_keymap snd platform_profile pktcdvd irqbypass rfkill i2c_piix4 soundcore wmi_bmof rapl k10temp pcspkr
 i2c_smbus gpio_amdpt gpio_generic loop 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 drm_display_helper r8169 polyval_clmulni nvme ghash_clmulni_intel uas sha512_ssse3 realtek sha1_ssse3 cec sp5100_tco usb_storage nvme_core nvme_keyring nvme_auth wmi sunrpc iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi i2c_dev fuse nfnetlink
CR2: 00000000000003d0