Backtrace

BUG: kernel NULL pointer dereference, address: 0000000000000040
#PF: supervisor read access in kernel mode
#PF: error_code(0x0000) - not-present page
PGD 105acd067 P4D 105acd067 PUD 11c0d9067 PMD 0 
Oops: Oops: 0000 [#1] SMP NOPTI
CPU: 3 UID: 1000 PID: 1610023 Comm: Xorg Not tainted 6.17.7-100.fc41.x86_64 #1 PREEMPT(lazy) 
Hardware name: LENOVO 90NA002CCD/370A, BIOS O4HKT1AA 05/11/2020
RIP: 0010:nouveau_fence_sync+0x131/0x1c0 [nouveau]
Code: 74 08 48 3d 80 61 ca c0 75 b1 e8 6a 46 34 f7 49 8b 77 50 48 85 f6 74 9e 48 8b 85 f0 00 00 00 48 8b 96 f0 00 00 00 48 8b 40 40 <48> 39 42 40 75 86 48 39 f5 74 1c 48 8b 44 24 08 48 89 ea 4c 89 ff
RSP: 0018:ffffc9c9c95e3ac8 EFLAGS: 00010286
RAX: ffff88ffd23ea000 RBX: ffffc9c9c95e3ae8 RCX: ffff88ffd150a4c0
RDX: 0000000000000000 RSI: ffff88ffd5d5b400 RDI: ffffc9c9c95e3ae8
RBP: ffff88ffcbb32000 R08: ffff88ffd0a05258 R09: 0000000000000002
R10: ffffc9c9c95e3c10 R11: 0000000000000009 R12: 0000000000000001
R13: 0000000000000000 R14: 7fffffffffffffff R15: ffff890015a68780
FS:  00007f56f420ab00(0000) GS:ffff890353555000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000040 CR3: 0000000106009006 CR4: 00000000007726f0
PKRU: 55555554
Call Trace:
 <TASK>
 validate_list+0xdd/0x200 [nouveau]
 nouveau_gem_ioctl_pushbuf+0x27f/0xaa0 [nouveau]
 ? __pfx_nouveau_gem_ioctl_pushbuf+0x10/0x10 [nouveau]
 drm_ioctl_kernel+0xae/0x100
 drm_ioctl+0x28f/0x520
 ? __pfx_nouveau_gem_ioctl_pushbuf+0x10/0x10 [nouveau]
 nouveau_drm_ioctl+0x56/0xc0 [nouveau]
 __x64_sys_ioctl+0x96/0xe0
 do_syscall_64+0x84/0x250
 ? do_syscall_64+0xbb/0x250
 ? __sys_recvmsg+0xc9/0xe0
 ? do_syscall_64+0xbb/0x250
 ? clear_bhb_loop+0x50/0xa0
 ? clear_bhb_loop+0x50/0xa0
 entry_SYSCALL_64_after_hwframe+0x76/0x7e
RIP: 0033:0x7f56f47e514d
Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
RSP: 002b:00007fff74cc1980 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 000000002cf893d0 RCX: 00007f56f47e514d
RDX: 00007fff74cc1a40 RSI: 00000000c0406481 RDI: 0000000000000011
RBP: 00007fff74cc19d0 R08: 0000000000000000 R09: 000000002cf8cc60
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff74cc1a40
R13: 00000000c0406481 R14: 0000000000000011 R15: 000000002cf901f0
 </TASK>
Modules linked in: vhost_net tun vhost vhost_iotlb macvtap macvlan tap uas usb_storage rfcomm snd_seq_dummy snd_hrtimer nft_masq nft_reject_ipv4 act_csum cls_u32 sch_htb nf_nat_tftp nf_conntrack_tftp bridge stp llc nf_nat_ftp nf_conntrack_ftp 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 ip6table_nat ip6table_mangle ip6table_raw ip6table_security iptable_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 iptable_mangle iptable_raw iptable_security qrtr ip_set nf_tables ip6table_filter ip6_tables iptable_filter ip_tables bnep sunrpc snd_sof_pci_intel_cnl snd_sof_intel_hda_generic soundwire_intel snd_sof_intel_hda_sdw_bpt snd_sof_intel_hda_common snd_soc_hdac_hda snd_sof_intel_hda_mlink snd_sof_intel_hda soundwire_cadence snd_sof_pci snd_sof_xtensa_dsp binfmt_misc snd_sof snd_sof_utils snd_soc_acpi_intel_match vfat snd_soc_acpi_intel_sdca_quirks soundwire_generic_allocation fat
 snd_soc_acpi crc8 soundwire_bus snd_soc_sdca snd_soc_avs snd_hda_codec_alc269 snd_hda_codec_nvhdmi snd_soc_hda_codec snd_hda_codec_hdmi snd_hda_scodec_component snd_hda_ext_core snd_hda_codec_realtek_lib snd_hda_codec_generic snd_hda_intel snd_hda_codec snd_hda_core btusb btrtl snd_intel_dspcfg btintel snd_intel_sdw_acpi snd_soc_core snd_hwdep intel_uncore_frequency snd_compress ac97_bus intel_uncore_frequency_common snd_pcm_dmaengine snd_seq snd_seq_device intel_tcc_cooling snd_pcm x86_pkg_temp_thermal snd_timer btbcm intel_powerclamp coretemp iwlmvm mac80211 processor_thermal_device_pci_legacy kvm_intel processor_thermal_device libarc4 processor_thermal_wt_hint intel_rapl_msr platform_temperature_control processor_thermal_rfim ee1004 processor_thermal_rapl kvm iwlwifi btmtk intel_rapl_common iTCO_wdt intel_pmc_bxt processor_thermal_wt_req iTCO_vendor_support processor_thermal_power_floor processor_thermal_mbox i2c_i801 mei_hdcp i2c_smbus joydev irqbypass mei_pxp snd mei_me rapl cfg80211 intel_cstate
 bluetooth rfkill int3403_thermal int340x_thermal_zone intel_pmc_core pmt_telemetry pmt_discovery r8169 mei realtek soundcore wmi_bmof intel_soc_dts_iosf think_lmi intel_wmi_thunderbolt firmware_attributes_class acpi_pad acpi_tad pcspkr int3400_thermal acpi_thermal_rel pmt_class intel_pmc_ssram_telemetry serial_multi_instantiate intel_vsec intel_uncore dm_multipath loop nfnetlink zram lz4hc_compress lz4_compress nouveau drm_ttm_helper ttm gpu_sched i2c_algo_bit drm_gpuvm drm_exec mxm_wmi nvme drm_display_helper nvme_core polyval_clmulni cec nvme_keyring ghash_clmulni_intel nvme_auth video wmi intel_oc_wdt pinctrl_sunrisepoint scsi_dh_rdac scsi_dh_emc scsi_dh_alua i2c_dev fuse
CR2: 0000000000000040