Backtrace

BUG: kernel NULL pointer dereference, address: 0000000000000030
#PF: supervisor read access in kernel mode
#PF: error_code(0x0000) - not-present page
PGD 0 P4D 0 
Oops: 0000 [#3] PREEMPT SMP PTI
CPU: 2 PID: 48564 Comm: systemd-coredum Tainted: G      D            6.2.9-200.fc37.x86_64 #1
Hardware name: Gigabyte Technology Co., Ltd. Z97-HD3/Z97-HD3, BIOS F9 07/31/2015
RIP: 0010:amdgpu_ctx_fence_time+0x13/0x50 [amdgpu]
Code: c3 cc cc cc cc 66 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 0f 1f 44 00 00 48 85 ff 74 2f 53 e8 e0 09 f3 ff 48 89 c3 <48> 8b 40 30 a8 02 74 16 48 8b 43 70 a8 02 74 1d 48 8b 43 50 48 2b
RSP: 0018:ffffb3e68c977b30 EFLAGS: 00010287
RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffff9e1599580c00
RDX: 0000000000000001 RSI: 0000000000000040 RDI: ffff9e157ff96c00
RBP: ffff9e1638327a00 R08: 000000000000000e R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffff9e1599580c00
R13: 0000000000000000 R14: ffffb3e68c977be0 R15: 000000000000000d
FS:  00007f01cee4cb40(0000) GS:ffff9e1a7ec80000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000030 CR3: 00000002c57de004 CR4: 00000000001726e0
Call Trace:
 <TASK>
 amdgpu_ctx_mgr_usage+0xef/0x170 [amdgpu]
 amdgpu_show_fdinfo+0x13b/0x270 [amdgpu]
 seq_show+0x15a/0x1e0
 seq_read_iter+0x122/0x470
 seq_read+0xd0/0x100
 vfs_read+0xa5/0x310
 ksys_read+0x6b/0xf0
 do_syscall_64+0x5b/0x80
 ? do_sys_openat2+0x9b/0x170
 ? syscall_exit_to_user_mode+0x17/0x40
 ? do_syscall_64+0x67/0x80
 ? syscall_exit_to_user_mode+0x17/0x40
 ? do_syscall_64+0x67/0x80
 ? exc_page_fault+0x70/0x170
 entry_SYSCALL_64_after_hwframe+0x72/0xdc
RIP: 0033:0x7f01cf0fe1e1
Code: 31 c0 e9 b2 fe ff ff 50 48 8d 3d 72 33 0a 00 e8 75 08 02 00 0f 1f 44 00 00 f3 0f 1e fa 80 3d 1d 04 0e 00 00 74 13 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 57 c3 66 0f 1f 44 00 00 48 83 ec 28 48 89 54
RSP: 002b:00007fffbae7b9b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 000055d151bc9570 RCX: 00007f01cf0fe1e1
RDX: 0000000000000400 RSI: 000055d151bc98e0 RDI: 0000000000000006
RBP: 00007f01cf1d3600 R08: 00007f01cf1d30c0 R09: 0000000000000073
R10: 0000000000001000 R11: 0000000000000246 R12: 00007f01cee4c9e0
R13: 0000000000000d68 R14: 00007f01cf1d2a00 R15: 0000000000000d68
 </TASK>
Modules linked in: tun xt_CHECKSUM xt_MASQUERADE xt_conntrack ipt_REJECT nft_compat nf_nat_tftp nf_conntrack_tftp bridge stp llc tls uhid 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 nfnetlink qrtr bnep sunrpc binfmt_misc vfat fat intel_rapl_msr intel_rapl_common x86_pkg_temp_thermal intel_powerclamp coretemp snd_hda_codec_realtek btusb mei_pxp kvm_intel btrtl snd_hda_codec_generic btbcm ledtrig_audio snd_hda_codec_hdmi iTCO_wdt btintel intel_pmc_bxt at24 mei_hdcp iTCO_vendor_support snd_hda_intel kvm snd_soc_rt5640 snd_intel_dspcfg btmtk snd_soc_rl6231 snd_intel_sdw_acpi irqbypass bluetooth snd_soc_core snd_hda_codec rapl snd_compress intel_cstate intel_uncore snd_hda_core ac97_bus snd_pcm_dmaengine snd_hwdep rfkill snd_seq pcspkr joydev
 i2c_i801 snd_seq_device i2c_smbus snd_pcm ti_usb_3410_5052 lpc_ich apple_mfi_fastcharge snd_timer snd mei_me mei soundcore acpi_pad loop zram amdgpu hid_apple drm_ttm_helper ttm nvme iommu_v2 drm_buddy crct10dif_pclmul gpu_sched crc32_pclmul drm_display_helper crc32c_intel nvme_core polyval_clmulni polyval_generic ghash_clmulni_intel r8169 sha512_ssse3 nvme_common cec video wmi uas usb_storage ip6_tables ip_tables fuse
CR2: 0000000000000030