Backtrace

BUG: kernel NULL pointer dereference, address: 0000000000000040
#PF: supervisor read access in kernel mode
#PF: error_code(0x0000) - not-present page
PGD 0 P4D 0 
Oops: Oops: 0000 [#1] SMP PTI
CPU: 1 UID: 1000 PID: 2372 Comm: gnome-shell Not tainted 6.17.8-200.fc42.x86_64 #1 PREEMPT(lazy) 
Hardware name: BIOSTAR Group H110MHC/H110MHC, BIOS 5.12 05/04/2018
RIP: 0010:nouveau_fence_sync+0x12c/0x1b0 [nouveau]
Code: 74 08 48 3d 60 62 7c c0 75 aa e8 2f b0 4e cf 49 8b 76 50 48 85 f6 74 97 48 8b 85 f0 00 00 00 48 8b 96 f0 00 00 00 48 8b 40 40 <48> 39 42 40 0f 85 7b ff ff ff 48 39 f5 74 17 49 8b 47 30 48 89 ea
RSP: 0018:ffffd12b08477ab0 EFLAGS: 00010286
RAX: ffff8cda9296c000 RBX: ffffd12b08477ac8 RCX: ffff8cd9cb5d68c0
RDX: 0000000000000000 RSI: ffff8cda89278000 RDI: ffffd12b08477ac8
RBP: ffff8cda848b1800 R08: ffff8cdb64c01c00 R09: 0000000000000002
R10: 0000000000000081 R11: ffff8cda8a035e50 R12: 0000000000000001
R13: 0000000000000000 R14: ffff8cd9d28fc660 R15: ffff8cda8f53e100
FS:  00007f3a0278c640(0000) GS:ffff8cdc53ec7000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000040 CR3: 000000010a09c001 CR4: 00000000003726f0
Call Trace:
 <TASK>
 validate_list+0xdd/0x200 [nouveau]
 nouveau_gem_ioctl_pushbuf+0x287/0xa90 [nouveau]
 ? __pfx_nouveau_gem_ioctl_pushbuf+0x10/0x10 [nouveau]
 drm_ioctl_kernel+0xab/0x100
 drm_ioctl+0x2a8/0x550
 ? __pfx_nouveau_gem_ioctl_pushbuf+0x10/0x10 [nouveau]
 nouveau_drm_ioctl+0x58/0xc0 [nouveau]
 __x64_sys_ioctl+0x94/0xe0
 do_syscall_64+0x7e/0x250
 ? rcu_do_batch+0x502/0x810
 ? sched_clock+0x10/0x30
 ? sched_clock_cpu+0xb/0x30
 ? irqtime_account_irq+0x3c/0xc0
 ? handle_softirqs+0x1ae/0x340
 ? irqentry_exit_to_user_mode+0x2c/0x1c0
 entry_SYSCALL_64_after_hwframe+0x76/0x7e
RIP: 0033:0x7f3a05aff0ed
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:00007fff75f8d280 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 000056410a166450 RCX: 00007f3a05aff0ed
RDX: 00007fff75f8d340 RSI: 00000000c0406481 RDI: 000000000000000e
RBP: 00007fff75f8d2d0 R08: 000056410a74d420 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff75f8d340
R13: 00000000c0406481 R14: 000000000000000e R15: 000056410a74d420
 </TASK>
Modules linked in: uinput 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 nf_tables qrtr sunrpc intel_rapl_msr mt76x0u intel_rapl_common mt76x0_common intel_uncore_frequency intel_uncore_frequency_common mt76x02_usb intel_tcc_cooling x86_pkg_temp_thermal intel_powerclamp rt2800usb mt76_usb vfat fat rtl8xxxu coretemp rt2x00usb mt76x02_lib iTCO_wdt snd_soc_avs kvm_intel snd_hda_codec_nvhdmi snd_hda_codec_hdmi snd_hda_codec_alc662 rt2800lib mt76 snd_soc_hda_codec snd_hda_codec_realtek_lib rt2x00lib snd_hda_codec_generic snd_hda_intel snd_hda_ext_core snd_hda_codec snd_soc_core intel_pmc_bxt kvm mac80211 snd_hda_core snd_compress snd_intel_dspcfg mei_hdcp iTCO_vendor_support ac97_bus snd_intel_sdw_acpi snd_hwdep snd_pcm_dmaengine ee1004 snd_seq snd_seq_device irqbypass snd_pcm snd_timer mei_pxp libarc4 r8169 rapl
 cfg80211 i2c_i801 snd rfkill realtek intel_cstate joydev mei_me intel_uncore i2c_smbus mei soundcore pcspkr intel_pmc_core pmt_telemetry pmt_discovery acpi_pad pmt_class intel_pmc_ssram_telemetry intel_vsec loop nfnetlink zram lz4hc_compress lz4_compress uas usb_storage nouveau drm_ttm_helper ttm gpu_sched i2c_algo_bit drm_gpuvm drm_exec mxm_wmi drm_display_helper ghash_clmulni_intel serio_raw cec intel_oc_wdt video wmi i2c_dev fuse
CR2: 0000000000000040