Backtrace

BUG: kernel NULL pointer dereference, address: 0000000000000040
#PF: supervisor read access in kernel mode
#PF: error_code(0x0000) - not-present page
PGD 800000012f145067 P4D 800000012f145067 PUD 1c2ec6067 PMD 0 
Oops: Oops: 0000 [#1] SMP PTI
CPU: 2 UID: 1000 PID: 1424 Comm: Xorg Not tainted 6.17.7-200.fc42.x86_64 #1 PREEMPT(lazy) 
Hardware name: PCWARE IPMH110G-DDR3/IPMH110G-DDR3, BIOS F20 DB 02/02/2018
RIP: 0010:nouveau_fence_sync+0x12c/0x1b0 [nouveau]
Code: 74 08 48 3d a0 d1 83 c0 75 aa e8 8f 26 ce f3 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:ffffd3a300563b10 EFLAGS: 00010286
RAX: ffff8c3008320000 RBX: ffffd3a300563b28 RCX: ffff8c30c31ab8c0
RDX: 0000000000000000 RSI: ffff8c302f543c00 RDI: ffffd3a300563b28
RBP: ffff8c30c2ce8c00 R08: ffff8c3001491400 R09: 0000000000000002
R10: 0000000000000018 R11: ffff8c3000f97e50 R12: 0000000000000001
R13: 0000000000000000 R14: ffff8c30f8b6cd80 R15: ffff8c302f1a2400
FS:  00007fe1b454db00(0000) GS:ffff8c3367744000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000040 CR3: 00000001ace54003 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
 ? rseq_get_rseq_cs.isra.0+0x12/0x220
 ? sched_mm_cid_remote_clear+0x89/0x120
 ? rseq_ip_fixup+0x90/0x160
 ? task_mm_cid_work+0x1d4/0x280
 ? __rseq_handle_notify_resume+0x39/0x60
 ? irqentry_exit_to_user_mode+0x2c/0x1c0
 entry_SYSCALL_64_after_hwframe+0x76/0x7e
RIP: 0033:0x7fe1b4b420ed
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:00007ffcd7cc1500 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 000000001b2bd1b0 RCX: 00007fe1b4b420ed
RDX: 00007ffcd7cc15c0 RSI: 00000000c0406481 RDI: 0000000000000010
RBP: 00007ffcd7cc1550 R08: 000000001b2bd460 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffcd7cc15c0
R13: 00000000c0406481 R14: 0000000000000010 R15: 000000001b2bd460
 </TASK>
Modules linked in: snd_seq_dummy snd_hrtimer rfkill 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 intel_rapl_common intel_uncore_frequency binfmt_misc intel_uncore_frequency_common intel_tcc_cooling x86_pkg_temp_thermal vfat intel_powerclamp fat coretemp kvm_intel snd_soc_avs snd_hda_codec_alc882 snd_hda_codec_realtek_lib snd_hda_codec_nvhdmi snd_hda_codec_generic snd_hda_codec_hdmi snd_soc_hda_codec kvm snd_hda_intel snd_hda_ext_core snd_hda_codec snd_hda_core irqbypass rapl uvcvideo snd_usb_audio uvc videobuf2_vmalloc snd_usbmidi_lib videobuf2_memops snd_ump videobuf2_v4l2 snd_rawmidi r8169 videobuf2_common snd_soc_core videodev mc at24 iTCO_wdt snd_intel_dspcfg intel_cstate snd_compress mei_pxp intel_pmc_bxt iTCO_vendor_support mei_hdcp realtek intel_uncore snd_intel_sdw_acpi ac97_bus
 snd_pcm_dmaengine snd_hwdep intel_wmi_thunderbolt pcspkr snd_seq snd_seq_device intel_pmc_core snd_pcm joydev pmt_telemetry pmt_discovery snd_timer snd pmt_class mei_me i2c_i801 intel_pmc_ssram_telemetry squashfs mei intel_vsec acpi_pad soundcore i2c_smbus loop nfnetlink zram lz4hc_compress lz4_compress nouveau drm_ttm_helper ttm gpu_sched i2c_algo_bit drm_gpuvm drm_exec mxm_wmi drm_display_helper ghash_clmulni_intel cec video intel_oc_wdt wmi uas usb_storage fuse i2c_dev
CR2: 0000000000000040