Backtrace

BUG: kernel NULL pointer dereference, address: 0000000000000078
#PF: supervisor read access in kernel mode
#PF: error_code(0x0000) - not-present page
PGD 193f72067 P4D 193f72067 PUD 10b2db067 PMD 1e26b1067 PTE 0
Oops: 0000 [#4] PREEMPT SMP NOPTI
CPU: 5 PID: 8443 Comm: redDispatcher4 Tainted: G      D            6.2.9-300.fc38.x86_64 #1
Hardware name: To Be Filled By O.E.M. To Be Filled By O.E.M./B450M-HDV, BIOS P1.30 11/08/2018
RIP: 0010:drm_sched_job_cleanup+0x2a/0x130 [gpu_sched]
Code: 0f 1f 44 00 00 55 53 48 89 fb 48 83 ec 10 48 8b 7f 20 65 48 8b 04 25 28 00 00 00 48 89 44 24 08 31 c0 48 c7 04 24 00 00 00 00 <8b> 47 78 85 c0 0f 84 c2 00 00 00 48 83 ff c0 74 1f 48 8d 57 78 b8
RSP: 0018:ffffbcf38bca7a38 EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffff9ad7fa96ac00 RCX: 000000004ccba005
RDX: 000000004ccb8005 RSI: 9a1be9f7d8240245 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffff9ad793f66040 R09: 0000000025b7c1dd
R10: 0000000000000008 R11: 0000000000000001 R12: 00000000ffffffff
R13: 0000000000000018 R14: 0000000000000000 R15: ffffbcf38bca7b20
FS:  000000000947f6c0(0000) GS:ffff9ada8ef40000(0000) knlGS:000000007fe90000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000078 CR3: 00000001f3f22000 CR4: 00000000003506e0
Call Trace:
 <TASK>
 amdgpu_job_free+0x15/0xc0 [amdgpu]
 amdgpu_cs_parser_fini+0x137/0x1a0 [amdgpu]
 amdgpu_cs_ioctl+0x44d/0x2140 [amdgpu]
 ? check_preempt_wakeup+0x111/0x330
 ? __pfx_amdgpu_cs_ioctl+0x10/0x10 [amdgpu]
 drm_ioctl_kernel+0xc9/0x170
 drm_ioctl+0x235/0x410
 ? __pfx_amdgpu_cs_ioctl+0x10/0x10 [amdgpu]
 amdgpu_drm_ioctl+0x4a/0x80 [amdgpu]
 __x64_sys_ioctl+0x90/0xd0
 do_syscall_64+0x5b/0x80
 ? __x64_sys_ioctl+0xa8/0xd0
 ? syscall_exit_to_user_mode+0x17/0x40
 ? do_syscall_64+0x67/0x80
 ? do_syscall_64+0x67/0x80
 entry_SYSCALL_64_after_hwframe+0x72/0xdc
RIP: 0033:0x7ff9b1cfbedd
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:000000000947ba80 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 000000000947bc78 RCX: 00007ff9b1cfbedd
RDX: 000000000947bb50 RSI: 00000000c0186444 RDI: 00000000000000a0
RBP: 000000000947bad0 R08: 00007ff8cc001490 R09: 000000000947bb20
R10: 00007ff99c795850 R11: 0000000000000246 R12: 000000000947bb50
R13: 00000000c0186444 R14: 00000000000000a0 R15: 0000000000000001
 </TASK>
Modules linked in: 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 nfnetlink qrtr bnep sunrpc binfmt_misc iwlmvm mac80211 snd_hda_codec_realtek snd_hda_codec_generic ledtrig_audio snd_hda_codec_hdmi snd_hda_intel snd_intel_dspcfg snd_intel_sdw_acpi snd_usb_audio snd_hda_codec uvcvideo libarc4 snd_hda_core snd_usbmidi_lib intel_rapl_msr snd_rawmidi snd_hwdep videobuf2_vmalloc intel_rapl_common videobuf2_memops snd_seq videobuf2_v4l2 snd_seq_device btusb videobuf2_common edac_mce_amd snd_pcm iwlwifi btrtl btbcm btintel snd_timer ppdev videodev btmtk kvm cfg80211 mc irqbypass snd pcspkr i2c_piix4 k10temp soundcore wmi_bmof rapl bluetooth joydev rfkill parport_pc parport gpio_amdpt gpio_generic acpi_cpufreq loop zram amdgpu drm_ttm_helper ttm video
 crct10dif_pclmul iommu_v2 crc32_pclmul drm_buddy crc32c_intel gpu_sched polyval_clmulni polyval_generic drm_display_helper ghash_clmulni_intel ccp sha512_ssse3 cec sp5100_tco wmi ip6_tables ip_tables fuse
CR2: 0000000000000078