Backtrace

BUG: kernel NULL pointer dereference, address: 0000000000000000
#PF: supervisor read access in kernel mode
#PF: error_code(0x0000) - not-present page
PGD 0 P4D 0 
Oops: 0000 [#2] PREEMPT SMP NOPTI
CPU: 3 PID: 840 Comm: Xwayland Tainted: G      D           5.17.5-300.fc36.x86_64 #1
Hardware name: innotek GmbH VirtualBox/VirtualBox, BIOS VirtualBox 12/01/2006
RIP: 0010:drm_gem_object_free+0xc/0x20
Code: 44 00 00 48 8b bf e0 05 00 00 e9 3f fe 00 00 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 0f 1f 44 00 00 48 8b 87 40 01 00 00 <48> 8b 00 48 85 c0 74 06 ff e0 0f 1f 00 cc 0f 0b c3 cc 66 90 0f 1f
RSP: 0018:ffffb3fc8483fd10 EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffffb3fc8483fd30 RCX: 0000000000000001
RDX: ffff907543a0be78 RSI: ffff907559629ff2 RDI: ffff90758401cc00
RBP: ffff9075710b5388 R08: ffff90755962a0a8 R09: ffff907547239090
R10: 0000000000000000 R11: ffff907559629ff0 R12: ffff9075540992a0
R13: ffffb3fc8483fe18 R14: ffff9075538f9600 R15: ffff9075538f9600
FS:  00007f4a957ade80(0000) GS:ffff907657d80000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 0000000109b2e006 CR4: 00000000000306e0
Call Trace:
 <TASK>
 vmw_user_surface_base_release+0x5d/0x70 [vmwgfx]
 ttm_prime_refcount_release+0x2c/0x40 [vmwgfx]
 ttm_release_base+0x71/0xa0 [vmwgfx]
 ttm_ref_object_release+0xa2/0xb0 [vmwgfx]
 ttm_ref_object_base_unref+0x68/0x90 [vmwgfx]
 ? vmw_surface_dirty_range_add+0x450/0x450 [vmwgfx]
 drm_ioctl_kernel+0x9b/0x140
 ? _raw_spin_unlock+0x16/0x30
 drm_ioctl+0x21c/0x410
 ? vmw_surface_dirty_range_add+0x450/0x450 [vmwgfx]
 ? ioctl_has_perm.constprop.0.isra.0+0xaa/0xf0
 ? drm_ioctl_kernel+0x140/0x140
 vmw_generic_ioctl+0x8c/0xf0 [vmwgfx]
 __x64_sys_ioctl+0x8a/0xc0
 do_syscall_64+0x37/0x80
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7f4a9642ca3f
Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 10 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 18 48 8b 44 24 18 64 48 2b 04 25 28 00 00
RSP: 002b:00007ffe32d38fa0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f4a9642ca3f
RDX: 00007ffe32d39040 RSI: 000000004008644a RDI: 000000000000000c
RBP: 00007ffe32d39040 R08: 0000562b5683c210 R09: 0000000000000000
R10: 00000000ffffff9d R11: 0000000000000246 R12: 000000004008644a
R13: 000000000000000c R14: 0000562b568314e0 R15: 0000562b56831090
 </TASK>
Modules linked in: nfnetlink(+) sunrpc(+) intel_rapl_msr snd_intel8x0 intel_rapl_common snd_ac97_codec ac97_bus joydev snd_seq snd_seq_device snd_pcm snd_timer e1000 snd i2c_piix4 pcspkr soundcore vboxguest zram vmwgfx drm_ttm_helper crc32c_intel ttm serio_raw ata_generic pata_acpi video ip6_tables ip_tables ipmi_devintf ipmi_msghandler fuse
CR2: 0000000000000000