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] PREEMPT SMP PTI
CPU: 3 UID: 1000 PID: 2154 Comm: gnome-shell Not tainted 6.14.5-100.fc40.x86_64 #1
Hardware name: To Be Filled By O.E.M. To Be Filled By O.E.M./B85M Pro4, BIOS P2.30 03/26/2015
RIP: 0010:nouveau_fence_sync+0x132/0x1c0 [nouveau]
Code: 74 08 48 3d 40 fc 8b c0 75 b1 e8 19 09 d9 e4 49 8b 77 50 48 85 f6 74 9e 48 8b 85 80 00 00 00 48 8b 96 80 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:ffffc3eb43be7a48 EFLAGS: 00010286
RAX: ffffa0a406c10000 RBX: ffffc3eb43be7a68 RCX: ffffa0a4d38e8ac0
RDX: 0000000000000000 RSI: ffffa0a78cde2400 RDI: ffffc3eb43be7a68
RBP: ffffa0a479989c00 R08: ffffa0a401476458 R09: 0000000000000002
R10: ffffc3eb43be7b90 R11: 000000000000000b R12: 0000000000000001
R13: 0000000000000000 R14: 7fffffffffffffff R15: ffffa0a400ce71e0
FS:  00007ff82d964640(0000) GS:ffffa0a905d80000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000040 CR3: 000000017e24a006 CR4: 00000000001726f0
Call Trace:
 <TASK>
 validate_list+0xdd/0x200 [nouveau]
 nouveau_gem_ioctl_pushbuf+0x28f/0xa90 [nouveau]
 ? __pfx_nouveau_gem_ioctl_pushbuf+0x10/0x10 [nouveau]
 drm_ioctl_kernel+0xb0/0x100
 drm_ioctl+0x288/0x530
 ? __pfx_nouveau_gem_ioctl_pushbuf+0x10/0x10 [nouveau]
 nouveau_drm_ioctl+0x57/0xb0 [nouveau]
 __x64_sys_ioctl+0x97/0xc0
 do_syscall_64+0x82/0x160
 ? __pfx_nouveau_gem_ioctl_pushbuf+0x10/0x10 [nouveau]
 ? __pfx_read_tsc+0x10/0x10
 ? ktime_get_mono_fast_ns+0x3b/0xd0
 ? __pm_runtime_suspend+0x69/0xc0
 ? nouveau_drm_ioctl+0x7a/0xb0 [nouveau]
 ? syscall_exit_to_user_mode+0x10/0x210
 ? do_syscall_64+0x8e/0x160
 entry_SYSCALL_64_after_hwframe+0x76/0x7e
RIP: 0033:0x7ff830f258ad
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:00007ffeebce1710 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00005640b864db40 RCX: 00007ff830f258ad
RDX: 00007ffeebce17d0 RSI: 00000000c0406481 RDI: 000000000000000e
RBP: 00007ffeebce1760 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000018 R11: 0000000000000246 R12: 00007ffeebce17d0
R13: 00000000c0406481 R14: 000000000000000e R15: 00005640b8568a90
 </TASK>
Modules linked in: uinput cdc_acm 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 rfkill ip_set nf_tables qrtr snd_hda_codec_realtek snd_hda_codec_generic snd_hda_scodec_component snd_hda_codec_hdmi sunrpc snd_hda_intel snd_intel_dspcfg snd_intel_sdw_acpi intel_rapl_msr snd_hda_codec intel_rapl_common x86_pkg_temp_thermal intel_powerclamp snd_hda_core coretemp kvm_intel snd_hwdep snd_seq binfmt_misc iTCO_wdt intel_pmc_bxt mei_pxp mei_wdt ppdev mei_hdcp iTCO_vendor_support at24 kvm snd_seq_device snd_pcm irqbypass snd_timer rapl intel_cstate snd mei_me lpc_ich i2c_i801 intel_uncore e1000e i2c_smbus soundcore mei vfat fat pcspkr parport_pc parport joydev loop nfnetlink zram lz4hc_compress lz4_compress hid_microsoft ff_memless nouveau drm_ttm_helper ttm gpu_sched polyval_clmulni polyval_generic i2c_algo_bit
 drm_gpuvm ghash_clmulni_intel drm_exec mxm_wmi sha512_ssse3 drm_display_helper sha256_ssse3 sha1_ssse3 cec video wmi uas usb_storage ip6_tables ip_tables fuse
CR2: 0000000000000040