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: 4 UID: 1000 PID: 2693 Comm: gnome-shell Not tainted 6.17.7-200.fc42.x86_64 #1 PREEMPT(lazy) 
Hardware name: ASUSTeK COMPUTER INC. G751JT/G751JT, BIOS G751JT.210 08/10/2015
RIP: 0010:nouveau_fence_sync+0x12c/0x1b0 [nouveau]
Code: 74 08 48 3d a0 01 9b c0 75 aa e8 8f 96 2e c9 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:ffffccff07667ab0 EFLAGS: 00010286
RAX: ffff8b11955da000 RBX: ffffccff07667ac8 RCX: ffff8b122923eb80
RDX: 0000000000000000 RSI: ffff8b1189222800 RDI: ffffccff07667ac8
RBP: ffff8b1191d84c00 R08: ffff8b12e0c6e400 R09: 0000000000000002
R10: 000000000000002d R11: ffff8b11815abe50 R12: 0000000000000001
R13: 0000000000000000 R14: ffff8b1187ec77e0 R15: ffff8b1193040900
FS:  00007f607c989640(0000) GS:ffff8b1562244000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000040 CR3: 0000000102700003 CR4: 00000000001726f0
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+0xae/0x100
 drm_ioctl+0x2a8/0x550
 ? __pfx_nouveau_gem_ioctl_pushbuf+0x10/0x10 [nouveau]
 nouveau_drm_ioctl+0x58/0xc0 [nouveau]
 __x64_sys_ioctl+0x97/0xe0
 do_syscall_64+0x7e/0x250
 ? do_syscall_64+0xb6/0x250
 ? do_syscall_64+0xb6/0x250
 ? count_memcg_events+0xd6/0x220
 ? handle_mm_fault+0x248/0x360
 ? do_user_addr_fault+0x181/0x690
 ? irqentry_exit_to_user_mode+0x2c/0x1c0
 entry_SYSCALL_64_after_hwframe+0x76/0x7e
RIP: 0033:0x7f607fcff0ed
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:00007fff586ec530 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 0000558d437983e0 RCX: 00007f607fcff0ed
RDX: 00007fff586ec5f0 RSI: 00000000c0406481 RDI: 000000000000000f
RBP: 00007fff586ec580 R08: 0000558d4379c170 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff586ec5f0
R13: 00000000c0406481 R14: 000000000000000f R15: 0000558d4379c170
 </TASK>
Modules linked in: binfmt_misc uinput xt_conntrack xt_MASQUERADE bridge stp llc xt_set ip_set xt_addrtype nft_compat rfcomm snd_seq_dummy snd_hrtimer overlay 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 sunrpc vfat fat uvcvideo uvc videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common videodev mc intel_rapl_msr intel_rapl_common btusb btrtl btintel snd_hda_codec_nvhdmi btbcm x86_pkg_temp_thermal intel_powerclamp snd_hda_codec_hdmi coretemp snd_hda_codec_alc662 kvm_intel r8169 snd_hda_codec_realtek_lib snd_hda_codec_generic snd_hda_intel snd_hda_codec realtek snd_hda_core snd_intel_dspcfg snd_intel_sdw_acpi kvm snd_hwdep snd_seq iTCO_wdt intel_pmc_bxt iTCO_vendor_support snd_seq_device snd_pcm mei_hdcp mei_pxp mei_me snd_timer iwlmvm irqbypass mei btmtk mac80211 libarc4 at24 rapl iwlwifi intel_cstate
 intel_uncore snd asus_nb_wmi asus_wmi intel_wmi_thunderbolt sparse_keymap platform_profile i2c_i801 i2c_smbus soundcore asus_wireless bluetooth cfg80211 rfkill lpc_ich pcspkr joydev loop nfnetlink zram lz4hc_compress lz4_compress nouveau drm_ttm_helper ttm gpu_sched i2c_algo_bit drm_gpuvm drm_exec mxm_wmi polyval_clmulni ghash_clmulni_intel drm_display_helper video cec intel_oc_wdt wmi serio_raw i2c_dev fuse
CR2: 0000000000000040