Backtrace

BUG: kernel NULL pointer dereference, address: 0000000000000008
#PF: supervisor read access in kernel mode
#PF: error_code(0x0000) - not-present page
PGD 56303e067 P4D 56303e067 PUD 0 
Oops: 0000 [#1] SMP NOPTI
CPU: 11 PID: 3504 Comm: chrome Tainted: G        W         5.9.16-200.fc33.x86_64 #1
Hardware name: Micro-Star International Co., Ltd. MS-7C37/MPG X570 GAMING PLUS (MS-7C37), BIOS A.C1 11/13/2020
RIP: 0010:amdgpu_vm_sdma_commit+0x43/0x220 [amdgpu]
Code: 47 20 80 7f 10 00 4c 8b a0 88 01 00 00 48 8b 47 08 4c 8d a8 e0 00 00 00 75 07 4c 8d a8 98 01 00 00 49 8b 45 10 41 8b 54 24 08 <48> 8b 40 08 48 8d 78 88 85 d2 0f 84 68 01 00 00 48 8b 40 90 4c 89
RSP: 0018:ffffa2ad4505bad0 EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffffa2ad4505bb78 RCX: 0000000000000009
RDX: 0000000000000024 RSI: ffffa2ad4505bc48 RDI: ffffa2ad4505bb78
RBP: ffffa2ad4505bc48 R08: 0000000000000009 R09: ffff8b974f5f00e0
R10: 0000000000000009 R11: 000000000000000d R12: ffff8b955287b9e8
R13: ffff8b9780cd7198 R14: 0000000800101a44 R15: ffff8b983b4c0000
FS:  0000000000000000(0000) GS:ffff8b984ecc0000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000008 CR3: 0000000392d8c000 CR4: 0000000000750ee0
PKRU: 55555554
Call Trace:
 amdgpu_vm_bo_update_mapping.constprop.0+0x627/0xa00 [amdgpu]
 amdgpu_vm_clear_freed+0xee/0x210 [amdgpu]
 amdgpu_gem_object_close+0x156/0x1d0 [amdgpu]
 drm_gem_object_release_handle+0x30/0x90 [drm]
 ? drm_gem_object_handle_put_unlocked+0xf0/0xf0 [drm]
 idr_for_each+0x4e/0xc0
 drm_gem_release+0x1c/0x30 [drm]
 drm_file_free.part.0+0x28a/0x2a0 [drm]
 drm_release+0x65/0x110 [drm]
 __fput+0x9d/0x240
 task_work_run+0x65/0xa0
 do_exit+0x352/0xae0
 do_group_exit+0x33/0xa0
 __x64_sys_exit_group+0x14/0x20
 do_syscall_64+0x33/0x40
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x7f9183a45fc1
Code: Unable to access opcode bytes at RIP 0x7f9183a45f97.
RSP: 002b:00007fffddfbbf18 EFLAGS: 00000216 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00003c1a2297ccc8 RCX: 00007f9183a45fc1
RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000022
RBP: 00007fffddfbbf20 R08: fffffffffffffe88 R09: 000055b5b2533100
R10: 00003c1a246550d0 R11: 0000000000000216 R12: 00003c1a25f80f00
R13: 00007fffddfbc104 R14: 00007fffddfbbf68 R15: 00003c1a2629a780
Modules linked in: snd_seq_dummy snd_hrtimer xt_CHECKSUM ipt_REJECT nf_nat_tftp nf_conntrack_tftp tun md4 xt_conntrack xt_MASQUERADE nf_conntrack_netlink xt_addrtype br_netfilter bridge stp llc cmac nls_utf8 cifs libarc4 dns_resolver fscache libdes nft_objref 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 ip6table_nat ip6table_mangle ip6table_raw ip6table_security iptable_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 iptable_mangle iptable_raw iptable_security rfkill ip_set nf_tables overlay nfnetlink ip6table_filter ip6_tables iptable_filter sunrpc vfat fat snd_hda_codec_realtek snd_hda_codec_generic ledtrig_audio snd_hda_codec_hdmi snd_hda_intel edac_mce_amd snd_intel_dspcfg snd_usb_audio kvm_amd snd_hda_codec ccp uvcvideo snd_hda_core snd_usbmidi_lib kvm videobuf2_vmalloc snd_rawmidi snd_hwdep videobuf2_memops snd_seq irqbypass videobuf2_v4l2
 snd_seq_device videobuf2_common snd_pcm sp5100_tco wmi_bmof pcspkr videodev i2c_piix4 k10temp snd_timer snd joydev soundcore mc acpi_cpufreq zram ip_tables amdgpu iommu_v2 gpu_sched i2c_algo_bit drm_kms_helper hid_sony ff_memless cec ttm crct10dif_pclmul drm crc32_pclmul crc32c_intel ghash_clmulni_intel nvme r8169 nvme_core wmi pinctrl_amd fuse
CR2: 0000000000000008