Backtrace

BUG: kernel NULL pointer dereference, address: 0000000000000010
#PF: supervisor read access in kernel mode
#PF: error_code(0x0000) - not-present page
PGD 0 P4D 0 
Oops: 0000 [#1] SMP PTI
CPU: 3 PID: 3717 Comm: gnome-shell Tainted: G        W  OE     5.11.16-200.fc33.x86_64 #1
Hardware name: Dell Inc. Inspiron 5547/0K5C1C, BIOS A05 08/12/2014
RIP: 0010:ttm_resource_free+0x1c/0x50 [ttm]
Code: dc 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 0f 1f 44 00 00 53 48 63 56 24 48 89 f3 48 8b 87 48 01 00 00 48 8b bc d0 80 00 00 00 <48> 8b 47 10 48 85 c0 74 0e 48 8b 40 08 48 85 c0 74 05 e8 fd c5 80
RSP: 0000:ffffb6cbc0a7fc48 EFLAGS: 00010282
RAX: ffff97248d5455b8 RBX: ffff9724dc1b1dd0 RCX: 00000000802a0028
RDX: 0000000000000000 RSI: ffff9724dc1b1dd0 RDI: 0000000000000000
RBP: ffff97248d5455b8 R08: 0000000000000001 R09: 0000000000000000
R10: ffff9724d529a420 R11: 0000000000000001 R12: ffff9724dfa36bb8
R13: ffff9724dc1b1e38 R14: ffff9724dc1b1c58 R15: ffff9724dc1b1dc8
FS:  0000000000000000(0000) GS:ffff9725d72c0000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000010 CR3: 00000001d4a10004 CR4: 00000000001706e0
Call Trace:
 ttm_bo_release+0x19f/0x340 [ttm]
 ttm_bo_vm_close+0x15/0x30 [ttm]
 remove_vma+0x31/0x70
 exit_mmap+0xd4/0x1c0
 mmput+0x61/0x140
 do_exit+0x30d/0xac0
 ? __pollwait+0xd0/0xd0
 do_group_exit+0x33/0xa0
 get_signal+0x154/0x8a0
 arch_do_signal_or_restart+0xf2/0x700
 ? __pollwait+0xd0/0xd0
 ? __pollwait+0xd0/0xd0
 exit_to_user_mode_prepare+0xfb/0x190
 syscall_exit_to_user_mode+0x18/0x40
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x7fa260d48a5f
Code: Unable to access opcode bytes at RIP 0x7fa260d48a35.
RSP: 002b:00007ffe85816240 EFLAGS: 00000293 ORIG_RAX: 0000000000000007
RAX: 0000000000000006 RBX: 00007fa261aa0180 RCX: 00007fa260d48a5f
RDX: 00000000000026e7 RSI: 000000000000004f RDI: 000055b748e8a810
RBP: 000055b748e8a810 R08: 0000000000000000 R09: 0000000000000021
R10: 00007ffe858df080 R11: 0000000000000293 R12: 000000000000004f
R13: 00007ffe85816284 R14: 00000000000026e7 R15: 000055b747fa29c0
Modules linked in: rfcomm vboxnetadp(OE) vboxnetflt(OE) vboxdrv(OE) xt_nat veth xt_conntrack xt_MASQUERADE nf_conntrack_netlink nfnetlink xt_addrtype iptable_filter iptable_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 br_netfilter bridge stp llc tun ccm overlay cmac bnep sunrpc squashfs loop snd_hda_codec_realtek snd_hda_codec_generic snd_hda_codec_hdmi ath9k snd_hda_intel ath3k snd_intel_dspcfg btusb soundwire_intel intel_rapl_msr btrtl soundwire_generic_allocation ath9k_common btbcm btintel snd_soc_core bluetooth uvcvideo intel_rapl_common ath9k_hw x86_pkg_temp_thermal intel_powerclamp coretemp videobuf2_vmalloc rtsx_usb_ms videobuf2_memops memstick kvm_intel videobuf2_v4l2 videobuf2_common kvm snd_compress snd_pcm_dmaengine soundwire_cadence videodev joydev at24 snd_hda_codec irqbypass mc ecdh_generic ecc iTCO_wdt rapl intel_cstate mac80211 intel_uncore mei_hdcp intel_pmc_bxt snd_hda_core iTCO_vendor_support dell_laptop ledtrig_audio dell_smm_hwmon ac97_bus
 snd_hwdep ath snd_seq snd_seq_device dell_wmi snd_pcm cfg80211 dell_smbios dcdbas i2c_i801 wmi_bmof sparse_keymap snd_timer pcspkr dell_wmi_descriptor i2c_smbus snd mei_me lpc_ich mei libarc4 soundcore dell_rbtn rfkill zram ip_tables amdgpu i915 drm_ttm_helper ttm iommu_v2 gpu_sched crct10dif_pclmul i2c_algo_bit drm_kms_helper crc32_pclmul crc32c_intel ghash_clmulni_intel cec drm uas usb_storage serio_raw r8169 wmi i2c_hid video pinctrl_lynxpoint rtsx_usb_sdmmc mmc_core rtsx_usb hid_multitouch fuse
CR2: 0000000000000010