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 [#2] SMP PTI
CPU: 1 PID: 3637 Comm: llvmpipe-2 Tainted: G      D W         5.11.10-200.fc33.x86_64 #1
Hardware name: TOSHIBA SATELLITE L50-B/Type2 - Board Product Name1, BIOS 1.90 10/08/2014
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 25 93
RSP: 0018:ffffac8980a6bc48 EFLAGS: 00010282
RAX: ffff8dd8cb6855b8 RBX: ffff8dd901f9b5d0 RCX: 00000000802a0009
RDX: 0000000000000000 RSI: ffff8dd901f9b5d0 RDI: 0000000000000000
RBP: ffff8dd8cb6855b8 R08: 0000000000000001 R09: 0000000000000000
R10: ffff8dd90bf7d000 R11: 0000000000000001 R12: ffff8dd90e8e1258
R13: ffff8dd901f9b638 R14: ffff8dd901f9b458 R15: ffff8dd901f9b5c8
FS:  0000000000000000(0000) GS:ffff8dda17240000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000010 CR3: 0000000215a10001 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
 do_group_exit+0x33/0xa0
 get_signal+0x154/0x8a0
 ? lru_cache_add+0xa0/0x100
 ? set_pte+0x5/0x10
 ? handle_mm_fault+0x1058/0x1960
 arch_do_signal_or_restart+0xf2/0x700
 ? __check_object_size+0x46/0x150
 ? __x64_sys_futex+0x125/0x190
 exit_to_user_mode_prepare+0xfb/0x190
 syscall_exit_to_user_mode+0x18/0x40
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x7f7ba5ab26c2
Code: Unable to access opcode bytes at RIP 0x7f7ba5ab2698.
RSP: 002b:00007f7aa6119730 EFLAGS: 00000282 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 0000000000000000 RCX: 00007f7ba5ab26c2
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000055b9e34d6ac8
RBP: 000055b9e34d6aa0 R08: 0000000000000000 R09: 00007f7aa6119680
R10: 0000000000000000 R11: 0000000000000282 R12: 0000000000000000
R13: 000055b9e34d6a78 R14: 000055b9e34d6ac8 R15: 00007f7aa6119760
Modules linked in: uinput rfcomm xt_CHECKSUM xt_MASQUERADE xt_conntrack ipt_REJECT nf_nat_tftp nf_conntrack_tftp tun bridge stp llc ccm 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 cmac bnep sunrpc iwlmvm mac80211 intel_rapl_msr intel_rapl_common snd_hda_codec_conexant x86_pkg_temp_thermal snd_hda_codec_generic intel_powerclamp coretemp snd_hda_codec_hdmi ledtrig_audio snd_hda_intel kvm_intel snd_intel_dspcfg libarc4 soundwire_intel soundwire_generic_allocation iwlwifi snd_soc_core kvm vfat fat snd_compress iTCO_wdt snd_pcm_dmaengine mei_hdcp soundwire_cadence intel_pmc_bxt iTCO_vendor_support snd_hda_codec
 uvcvideo irqbypass cfg80211 rapl intel_cstate btusb videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 btrtl btbcm btintel videobuf2_common snd_hda_core bluetooth ac97_bus snd_hwdep videodev snd_seq snd_seq_device intel_uncore snd_pcm mei_me mc snd_timer mei i2c_i801 wmi_bmof ecdh_generic joydev toshiba_acpi pcspkr i2c_smbus sparse_keymap ecc snd toshiba_bluetooth industrialio soundcore lpc_ich rfkill dw_dmac acpi_pad zram ip_tables amdgpu i915 rtsx_pci_sdmmc mmc_core drm_ttm_helper ttm iommu_v2 gpu_sched i2c_algo_bit drm_kms_helper crct10dif_pclmul crc32_pclmul crc32c_intel cec drm ghash_clmulni_intel serio_raw r8169 rtsx_pci wmi video fuse
CR2: 0000000000000010