Backtrace

WARNING: CPU: 0 PID: 2769 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110
Modules linked in: uinput 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 ip_set rfkill nf_tables nfnetlink qrtr vboxsf sunrpc binfmt_misc snd_intel8x0 snd_ac97_codec ac97_bus snd_seq snd_seq_device snd_pcm intel_rapl_msr intel_rapl_common snd_timer snd pcspkr soundcore i2c_piix4 vboxguest joydev loop zram vmwgfx crct10dif_pclmul crc32_pclmul crc32c_intel polyval_generic video wmi ghash_clmulni_intel e1000 drm_ttm_helper sha512_ssse3 ttm serio_raw ata_generic pata_acpi ip6_tables ip_tables fuse
CPU: 0 PID: 2769 Comm: firefox Not tainted 6.2.13-300.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 e9 eb 92 ff 0f 0b c3 cc cc cc cc 80 3d 93 b3 ae 01 00 75 85 48 c7 c7 a8 9d 8d 89 c6 05 83 b3 ae 01 01 e8 c6 eb 92 ff <0f> 0b c3 cc cc cc cc 80 3d 71 b3 ae 01 00 0f 85 5e ff ff ff 48 c7
RSP: 0018:ffffb614c4b8bcb8 EFLAGS: 00010286
RAX: 0000000000000000 RBX: ffff9cc3fc76c800 RCX: 0000000000000000
RDX: 0000000000000002 RSI: 0000000000000027 RDI: 00000000ffffffff
RBP: ffff9cc3bc678a00 R08: 0000000000000000 R09: ffffb614c4b8bb48
R10: 0000000000000003 R11: ffffffff8a1447c8 R12: 0000000000000031
R13: 0000000000000001 R14: ffff9cc3bc678a40 R15: ffff9cc415829630
FS:  0000000000000000(0000) GS:ffff9cc696e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f223f2a0000 CR3: 0000000069010000 CR4: 00000000000106f0
Call Trace:
 <TASK>
 drm_gem_object_release_handle+0x50/0x60
 ? __pfx_drm_gem_object_release_handle+0x10/0x10
 idr_for_each+0x70/0xf0
 drm_gem_release+0x1c/0x30
 drm_file_free.part.0+0x1e4/0x250
 drm_release+0x64/0xd0
 __fput+0x91/0x250
 task_work_run+0x59/0x90
 do_exit+0x33e/0xb20
 do_group_exit+0x2d/0x80
 __x64_sys_exit_group+0x14/0x20
 do_syscall_64+0x5c/0x90
 ? exit_to_user_mode_prepare+0x180/0x1f0
 ? syscall_exit_to_user_mode_prepare+0x198/0x1c0
 ? syscall_exit_to_user_mode+0x17/0x40
 ? do_syscall_64+0x68/0x90
 ? exc_page_fault+0x78/0x180
 entry_SYSCALL_64_after_hwframe+0x72/0xdc
RIP: 0033:0x7f227fcfc73d
Code: Unable to access opcode bytes at 0x7f227fcfc713.
RSP: 002b:00007ffe76fa53c8 EFLAGS: 00000202 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f227fcfc73d
RDX: 00000000000000e7 RSI: ffffffffffffff48 RDI: 0000000000000000
RBP: 0000000000000000 R08: 00007f227fb00098 R09: 0000000000000001
R10: 00007f223f200f20 R11: 0000000000000202 R12: 0000000000000001
R13: 0000000000000000 R14: 00007ffe76fa5450 R15: 00007f22746cd4d0
 </TASK>