Backtrace

BUG: unable to handle page fault for address: 00000019ac1f76c8
#PF: supervisor read access in kernel mode
#PF: error_code(0x0000) - not-present page
PGD 0 P4D 0 
Oops: 0000 [#1] SMP PTI
CPU: 0 PID: 2199 Comm: gnome-shell Tainted: P           OE     5.13.6-200.fc34.x86_64 #1
Hardware name: Dell Inc. Latitude E6530/07Y85M, BIOS A22 11/30/2018
RIP: 0010:rb_erase+0x210/0x350
Code: f2 48 89 f0 e9 6d fe ff ff c3 48 89 46 10 e9 91 fe ff ff 49 89 00 48 89 f0 e9 b6 fe ff ff 48 8b 07 48 89 c2 48 83 e2 fc 74 53 <48> 3b 7a 10 0f 84 90 00 00 00 48 89 72 08 48 85 f6 75 4c a8 01 0f
RSP: 0018:ffffaf4343f23d60 EFLAGS: 00010206
RAX: 00000019ac1f76ba RBX: ffff9801d4791200 RCX: 0000000000000000
RDX: 00000019ac1f76b8 RSI: 00000017701af804 RDI: ffff980182544b00
RBP: ffff980182544b00 R08: ffff9801fb02f0c8 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000001 R12: ffff9801fb02f018
R13: ffff9801d4791328 R14: ffff9801d4791238 R15: 000000000000014b
FS:  00007ff6a2c20d80(0000) GS:ffff9802a6200000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000019ac1f76c8 CR3: 000000015ba94006 CR4: 00000000001706f0
Call Trace:
 drm_vma_node_revoke+0x59/0x70 [drm]
 drm_gem_object_release_handle+0x63/0x80 [drm]
 drm_gem_handle_delete+0x58/0x90 [drm]
 ? drm_gem_handle_create+0x40/0x40 [drm]
 drm_ioctl_kernel+0x86/0xd0 [drm]
 drm_ioctl+0x220/0x3e0 [drm]
 ? drm_gem_handle_create+0x40/0x40 [drm]
 ? __do_munmap+0x2fb/0x4d0
 ? security_file_ioctl+0x32/0x50
 __x64_sys_ioctl+0x82/0xb0
 do_syscall_64+0x40/0x80
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7ff6a6e7b0ab
Code: ff ff ff 85 c0 79 9b 49 c7 c4 ff ff ff ff 5b 5d 4c 89 e0 41 5c c3 66 0f 1f 84 00 00 00 00 00 f3 0f 1e fa b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 9d bd 0c 00 f7 d8 64 89 01 48
RSP: 002b:00007ffcb2f5d778 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007ffcb2f5d7c8 RCX: 00007ff6a6e7b0ab
RDX: 00007ffcb2f5d7c8 RSI: 0000000040086409 RDI: 0000000000000012
RBP: 0000000040086409 R08: 000056076a056d90 R09: 0000560765449ff0
R10: 00007ffcb2fdc080 R11: 0000000000000246 R12: 00005607677950d0
R13: 0000000000000012 R14: 0000560769a4e940 R15: 00005607685f3c88
Modules linked in: vhost_net vhost vhost_iotlb tap tun uinput rfcomm snd_seq_dummy snd_hrtimer xt_CHECKSUM xt_MASQUERADE xt_conntrack ipt_REJECT nf_nat_tftp nf_conntrack_tftp bridge stp llc 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 ip_set nf_tables nfnetlink ip6table_filter ip6_tables iptable_filter bnep sunrpc vfat fat uvcvideo btusb videobuf2_vmalloc videobuf2_memops btrtl btbcm videobuf2_v4l2 btintel videobuf2_common videodev bluetooth mc intel_rapl_msr intel_rapl_common x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel kvm snd_hda_codec_idt mei_hdcp snd_hda_codec_generic snd_hda_codec_hdmi mei_wdt snd_hda_intel snd_intel_dspcfg snd_intel_sdw_acpi ppdev
 snd_hda_codec irqbypass iTCO_wdt snd_hda_core dell_laptop at24 ledtrig_audio intel_pmc_bxt snd_hwdep iTCO_vendor_support snd_seq rapl dell_smm_hwmon wl(POE) snd_seq_device intel_cstate dell_wmi snd_pcm dell_smbios dcdbas pcspkr sparse_keymap mei_me joydev snd_timer dell_wmi_descriptor intel_uncore cfg80211 wmi_bmof snd parport_pc mei parport i2c_i801 soundcore i2c_smbus lpc_ich dell_rbtn dell_smo8800 rfkill zram ip_tables i915 nouveau drm_ttm_helper ttm mxm_wmi i2c_algo_bit drm_kms_helper crct10dif_pclmul crc32_pclmul crc32c_intel sdhci_pci cec cqhci sdhci ghash_clmulni_intel drm serio_raw mmc_core e1000e wmi video fuse
CR2: 00000019ac1f76c8