Backtrace

BUG: kernel NULL pointer dereference, address: 0000000000000008
#PF: supervisor read access in kernel mode
#PF: error_code(0x0000) - not-present page
PGD 0 P4D 0 
Oops: 0000 [#2] PREEMPT SMP NOPTI
CPU: 2 PID: 4718 Comm: gst-plugin:cs0 Tainted: G      D            6.8.7-300.fc40.x86_64 #1
Hardware name: LENOVO 80YA/LNVNB161216, BIOS 5YCN22WW(V1.08) 11/23/2018
RIP: 0010:drm_sched_job_arm+0x23/0x60 [gpu_sched]
Code: 90 90 90 90 90 90 90 f3 0f 1e fa 0f 1f 44 00 00 55 53 48 8b 6f 60 48 85 ed 74 3f 48 89 fb 48 89 ef e8 51 39 00 00 48 8b 45 10 <48> 8b 50 08 48 89 53 18 8b 45 24 89 43 5c b8 01 00 00 00 f0 48 0f
RSP: 0018:ffffa860c8c9fb10 EFLAGS: 00010206
RAX: 0000000000000000 RBX: ffff972ae5c42c00 RCX: 0000000000000027
RDX: 0000000000000000 RSI: ffff972b056e8a10 RDI: ffff972b056e8a38
RBP: ffff972b056e8a10 R08: 0000000000000000 R09: ffffa860c8c9f950
R10: ffffffffb0516808 R11: 0000000000000003 R12: ffffa860c8c9fb90
R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000000
FS:  00007f86b56006c0(0000) GS:ffff972b37d00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000008 CR3: 00000001a369e000 CR4: 00000000001506f0
Call Trace:
 <TASK>
 ? __die+0x23/0x70
 ? page_fault_oops+0x174/0x530
 ? exc_page_fault+0x7f/0x180
 ? asm_exc_page_fault+0x26/0x30
 ? drm_sched_job_arm+0x23/0x60 [gpu_sched]
 amdgpu_cs_ioctl+0x141e/0x1950 [amdgpu]
 ? __pfx_amdgpu_cs_ioctl+0x10/0x10 [amdgpu]
 drm_ioctl_kernel+0xb3/0x100
 drm_ioctl+0x26e/0x4b0
 ? __pfx_amdgpu_cs_ioctl+0x10/0x10 [amdgpu]
 amdgpu_drm_ioctl+0x4e/0x90 [amdgpu]
 __x64_sys_ioctl+0x97/0xd0
 do_syscall_64+0x83/0x170
 ? exc_page_fault+0x7f/0x180
 entry_SYSCALL_64_after_hwframe+0x78/0x80
RIP: 0033:0x7f86fa371d2d
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:00007f86b55ffad0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f86b55ffc98 RCX: 00007f86fa371d2d
RDX: 00007f86b55ffb90 RSI: 00000000c0186444 RDI: 0000000000000012
RBP: 00007f86b55ffb20 R08: 00007f86b55ffd00 R09: 00007f86b55ffb70
R10: 0000555bad7071f0 R11: 0000000000000246 R12: 00007f86b55ffb90
R13: 00000000c0186444 R14: 0000000000000012 R15: 0000000000000003
 </TASK>
Modules linked in: uinput rfcomm 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 ip_set nf_tables qrtr bnep sunrpc binfmt_misc vfat fat snd_hda_codec_realtek snd_hda_codec_hdmi snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg snd_intel_sdw_acpi ath10k_pci snd_hda_codec btusb ath10k_core btrtl uvcvideo snd_hda_core btintel snd_hwdep mac80211 uvc videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 libarc4 videobuf2_common btbcm ath snd_seq btmtk videodev snd_seq_device cfg80211 mc bluetooth snd_pcm snd_timer ideapad_laptop k10temp fam15h_power sparse_keymap snd soundcore pcspkr platform_profile wmi_bmof rfkill edac_mce_amd i2c_piix4 acpi_cpufreq joydev loop nfnetlink zram amdgpu crct10dif_pclmul crc32_pclmul amdxcp crc32c_intel i2c_algo_bit polyval_clmulni rtsx_pci_sdmmc polyval_generic drm_ttm_helper ttm
 mmc_core drm_exec ghash_clmulni_intel gpu_sched drm_suballoc_helper hid_multitouch drm_buddy sha512_ssse3 sha256_ssse3 drm_display_helper sha1_ssse3 cec sp5100_tco rtsx_pci i2c_hid_acpi video i2c_hid wmi serio_raw ip6_tables ip_tables fuse
CR2: 0000000000000008