Backtrace

BUG: unable to handle page fault for address: ffffffffc1722ed0
#PF: supervisor read access in kernel mode
#PF: error_code(0x0000) - not-present page
PGD 8a15067 P4D 8a15067 PUD 8a17067 PMD a2d44067 PTE 0
Oops: 0000 [#4] SMP PTI
CPU: 1 PID: 879 Comm: Xorg Tainted: P      D    OE     5.11.11-300.fc34.x86_64 #1
Hardware name: Dell Inc. OptiPlex 755                 /0DR845, BIOS A19 05/31/2011
RIP: 0010:drm_stub_open+0x56/0x130 [drm]
Code: e7 ff ff 0f 00 e8 5a fe ff ff 48 89 c5 41 89 c6 48 3d 00 f0 ff ff 0f 87 86 00 00 00 48 8b 58 10 41 be ed ff ff ff 48 8b 43 40 <48> 8b 80 f0 00 00 00 48 85 c0 74 50 48 8b 38 e8 b6 3d dd cc 48 8b
RSP: 0018:ffffb503c0dabc88 EFLAGS: 00010287
RAX: ffffffffc1722de0 RBX: ffff8fab01df9000 RCX: 0000000000000000
RDX: 000045588be0ac80 RSI: 0000000000000000 RDI: ffffffffc040fde0
RBP: ffff8faa64b61b28 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffff8faa9ce68340
R13: ffff8fab05053900 R14: 00000000ffffffed R15: 0000000000000000
FS:  00007fedbf4a0f00(0000) GS:ffff8fab33e40000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffffffc1722ed0 CR3: 0000000126e6c000 CR4: 00000000000406e0
Call Trace:
 chrdev_open+0xe3/0x220
 ? cdev_device_add+0x90/0x90
 do_dentry_open+0x14b/0x360
 path_openat+0x9ff/0xf20
 do_filp_open+0x7e/0x110
 ? __check_object_size+0x136/0x150
 do_sys_openat2+0x7a/0x130
 __x64_sys_openat+0x45/0x70
 do_syscall_64+0x33/0x40
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x7fedbfd2f604
Code: 24 20 eb 8f 66 90 44 89 54 24 0c e8 16 8b f8 ff 44 8b 54 24 0c 44 89 e2 48 89 ee 41 89 c0 bf 9c ff ff ff b8 01 01 00 00 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 89 44 24 0c e8 58 8b f8 ff 8b 44
RSP: 002b:00007ffd8a9860c0 EFLAGS: 00000293 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fedbfd2f604
RDX: 0000000000080002 RSI: 000055bb911135b0 RDI: 00000000ffffff9c
RBP: 000055bb911135b0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000080002
R13: 000055bb911135b0 R14: 00007ffd8a98620c R15: 0000000000000000
Modules linked in: snd_seq_dummy snd_hrtimer 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 nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip_set nf_tables nfnetlink qrtr ns snd_hda_codec_analog snd_hda_codec_generic ledtrig_audio snd_hda_codec_hdmi snd_hda_intel snd_intel_dspcfg sunrpc soundwire_intel mei_wdt soundwire_generic_allocation 88XXau(OE) at24 ppdev snd_soc_core iTCO_wdt intel_pmc_bxt iTCO_vendor_support dcdbas pktcdvd cfg80211 snd_compress snd_pcm_dmaengine soundwire_cadence coretemp snd_hda_codec snd_hda_core ac97_bus snd_hwdep joydev snd_seq pcspkr i2c_i801 snd_seq_device rfkill i2c_smbus snd_pcm lpc_ich mei_me mei parport_pc parport snd_timer snd acpi_cpufreq soundcore drm zram ip_tables e1000e serio_raw firewire_ohci firewire_core ata_generic crc_itu_t pata_acpi ipmi_devintf ipmi_msghandler fuse [last unloaded: nvidia]
CR2: ffffffffc1722ed0