Backtrace

WARNING: CPU: 0 PID: 1805 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110
Modules linked in: snd_seq_dummy snd_hrtimer 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 rfkill ip_set nf_tables nfnetlink qrtr vboxsf sunrpc binfmt_misc snd_intel8x0 snd_ac97_codec intel_rapl_msr intel_rapl_common ac97_bus rapl joydev snd_seq snd_seq_device snd_pcm snd_timer pcspkr snd pktcdvd vboxguest soundcore i2c_piix4 loop zram crct10dif_pclmul crc32_pclmul vmwgfx crc32c_intel polyval_clmulni polyval_generic ghash_clmulni_intel sha512_ssse3 video wmi drm_ttm_helper e1000 ttm serio_raw ata_generic pata_acpi ip6_tables ip_tables fuse
CPU: 0 PID: 1805 Comm: ksplashqml Tainted: G        W          6.2.9-300.fc38.x86_64 #1
Hardware name: innotek GmbH VirtualBox/VirtualBox, BIOS VirtualBox 12/01/2006
RIP: 0010:refcount_warn_saturate+0xba/0x110
Code: 01 01 e8 b9 5d 93 ff 0f 0b c3 cc cc cc cc 80 3d d5 35 af 01 00 75 85 48 c7 c7 88 a1 8d 99 c6 05 c5 35 af 01 01 e8 96 5d 93 ff <0f> 0b c3 cc cc cc cc 80 3d b3 35 af 01 00 0f 85 5e ff ff ff 48 c7
RSP: 0018:ffffae2445093cb8 EFLAGS: 00010286
RAX: 0000000000000000 RBX: ffffa05680605400 RCX: 0000000000000000
RDX: 0000000000000002 RSI: 0000000000000027 RDI: 00000000ffffffff
RBP: ffffa056431b3000 R08: 0000000000000000 R09: ffffae2445093b48
R10: 0000000000000003 R11: ffffffff9a1447c8 R12: 0000000000000015
R13: ffffa056431b3058 R14: ffffa056431b3040 R15: 0000000000000015
FS:  00007f3b888c2680(0000) GS:ffffa05757c00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f3b8e599520 CR3: 0000000135a20005 CR4: 00000000000706f0
Call Trace:
 <TASK>
 drm_gem_handle_delete+0x8c/0xd0
 ? __pfx_vmw_bo_unref_ioctl+0x10/0x10 [vmwgfx]
 vmw_bo_unref_ioctl+0xf/0x20 [vmwgfx]
 drm_ioctl_kernel+0xc9/0x170
 drm_ioctl+0x235/0x410
 ? __pfx_vmw_bo_unref_ioctl+0x10/0x10 [vmwgfx]
 ? __pfx_drm_ioctl+0x10/0x10
 vmw_generic_ioctl+0xa7/0x110 [vmwgfx]
 __x64_sys_ioctl+0x90/0xd0
 do_syscall_64+0x5b/0x80
 ? do_syscall_64+0x67/0x80
 ? __x64_sys_ioctl+0xa8/0xd0
 ? syscall_exit_to_user_mode+0x17/0x40
 ? do_syscall_64+0x67/0x80
 ? do_syscall_64+0x67/0x80
 ? syscall_exit_to_user_mode+0x17/0x40
 ? do_syscall_64+0x67/0x80
 ? syscall_exit_to_user_mode+0x17/0x40
 ? do_syscall_64+0x67/0x80
 ? do_syscall_64+0x67/0x80
 entry_SYSCALL_64_after_hwframe+0x72/0xdc
RIP: 0033:0x7f3b8d7280ad
Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
RSP: 002b:00007ffef72ada90 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f3b587019b0 RCX: 00007f3b8d7280ad
RDX: 00007ffef72adb30 RSI: 0000000040086442 RDI: 0000000000000008
RBP: 00007ffef72adae0 R08: 000055ea46555700 R09: 0000000000000000
R10: 00007ffef7311080 R11: 0000000000000246 R12: 00007ffef72adb30
R13: 0000000040086442 R14: 0000000000000008 R15: 00007f3b586be7f8
 </TASK>