Backtrace

WARNING: CPU: 0 PID: 23834 at drivers/video/fbdev/core/fbmem.c:1682 do_unregister_framebuffer+0x13/0x110
Modules linked in: uinput snd_seq_dummy rfcomm snd_hrtimer xt_CHECKSUM xt_MASQUERADE xt_conntrack ipt_REJECT nf_nat_tftp nf_conntrack_tftp bridge stp llc 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 vfat fat intel_rapl_msr intel_rapl_common uvcvideo x86_pkg_temp_thermal intel_powerclamp coretemp snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic ledtrig_audio snd_hda_intel snd_intel_dspcfg soundwire_intel soundwire_generic_allocation btusb snd_soc_core snd_usb_audio snd_compress snd_pcm_dmaengine soundwire_cadence btrtl videobuf2_vmalloc snd_usbmidi_lib videobuf2_memops
 snd_hda_codec btbcm btintel kvm_intel snd_rawmidi snd_hda_core videobuf2_v4l2 ac97_bus nouveau snd_hwdep kvm bluetooth videobuf2_common iTCO_wdt snd_seq videodev snd_seq_device ee1004 intel_pmc_bxt rapl intel_cstate ecdh_generic snd_pcm rfkill intel_uncore ecc mei_hdcp iTCO_vendor_support mc intel_wmi_thunderbolt joydev pcspkr drm_ttm_helper i2c_i801 snd_timer snd soundcore i2c_smbus ttm intel_pch_thermal mei_me mei acpi_pad zram ip_tables uas usb_storage i915 i2c_algo_bit drm_kms_helper mxm_wmi crct10dif_pclmul crc32_pclmul crc32c_intel cec ghash_clmulni_intel e1000e nvme drm nvme_core wmi video vfio_pci irqbypass vfio_virqfd vfio_iommu_type1 vfio fuse
CPU: 0 PID: 23834 Comm: bash Tainted: G          I       5.11.12-300.fc34.x86_64 #1
Hardware name: Gigabyte Technology Co., Ltd. Z170X-UD3/Z170X-UD3-CF, BIOS F6 03/01/2016
RIP: 0010:do_unregister_framebuffer+0x13/0x110
Code: 85 c0 74 05 e9 be 58 73 00 c3 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 0f 1f 44 00 00 41 54 55 8b 77 04 48 89 fd 83 fe 1f 76 63 <0f> 0b 48 8b bd f0 01 00 00 48 85 ff 74 0d f6 85 0c 02 00 00 01 0f
RSP: 0018:ffffb1c540a6fd58 EFLAGS: 00010287
RAX: 0000000000000000 RBX: ffff9114468bbc00 RCX: 0000000000000000
RDX: ffff9114872d8000 RSI: 0000000000000000 RDI: ffff911446984c00
RBP: ffff911446984c00 R08: ffff911446850048 R09: 0000000000000000
R10: ffff91144695a600 R11: 0000000000000000 R12: 0000000000000000
R13: ffffffffbac56ae8 R14: ffff91154c85dc00 R15: ffff91154c85dc20
FS:  00007f5925d58740(0000) GS:ffff9115a9c00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000562d8fe6dc70 CR3: 000000016fc0e004 CR4: 00000000003706f0
Call Trace:
 unregister_framebuffer+0x1d/0x30
 efifb_remove+0x19/0x40
 platform_remove+0x24/0x40
 __device_release_driver+0x17a/0x230
 device_driver_detach+0x3c/0xa0
 unbind_store+0x113/0x130
 kernfs_fop_write_iter+0x11c/0x1b0
 new_sync_write+0x108/0x180
 vfs_write+0x1b8/0x270
 ksys_write+0x4f/0xc0
 do_syscall_64+0x33/0x40
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x7f5925e4c7a7
Code: 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 48 89 54 24 18 48 89 74 24
RSP: 002b:00007fff0d189628 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f5925e4c7a7
RDX: 0000000000000012 RSI: 0000562d8fd3f000 RDI: 0000000000000001
RBP: 0000562d8fd3f000 R08: 000000000000000a R09: 00007f5925ee24e0
R10: 00007f5925ee23e0 R11: 0000000000000246 R12: 0000000000000012
R13: 00007f5925f1f520 R14: 0000000000000012 R15: 00007f5925f1f700