Backtrace

BUG: kernel NULL pointer dereference, address: 0000000000000000
#PF: supervisor write access in kernel mode
#PF: error_code(0x0002) - not-present page
PGD 0 P4D 0 
Oops: 0002 [#1] SMP NOPTI
CPU: 3 PID: 4546 Comm: FortiCli:gdrv0 Tainted: G        W         5.11.22-100.fc32.x86_64 #1
Hardware name: Gigabyte Technology Co., Ltd. To be filled by O.E.M./F2A78M-D3H, BIOS F4 05/28/2014
RIP: 0010:ww_mutex_lock_interruptible+0x20/0x80
Code: 1f 84 00 00 00 00 00 0f 1f 00 0f 1f 44 00 00 41 55 41 54 49 89 f4 55 48 89 fd e8 6b ec ff ff 31 c0 65 48 8b 14 25 c0 7b 01 00 <f0> 48 0f b1 55 00 75 25 4d 85 e4 74 18 41 83 44 24 10 01 4c 89 65
RSP: 0018:ffffba1744957c28 EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffffa03c6e14b680 RCX: 0000000000104ac1
RDX: ffffa03ca119a780 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffffa03c6e14b6a8 R09: ffffba1744957988
R10: ffffba1744957980 R11: ffffffff93b1e188 R12: 0000000000000000
R13: ffffa03c0b2a0000 R14: ffffa03ca10d3220 R15: ffffa03c0465e000
FS:  00007f0d7f889700(0000) GS:ffffa03f2ed80000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 00000001eaa10000 CR4: 00000000000406e0
Call Trace:
 radeon_vm_fini+0x6b/0x210 [radeon]
 radeon_driver_postclose_kms+0x156/0x170 [radeon]
 drm_file_free.part.0+0x1fb/0x260 [drm]
 drm_release+0x65/0x110 [drm]
 __fput+0x94/0x240
 task_work_run+0x65/0xa0
 do_exit+0x360/0xac0
 do_group_exit+0x33/0xa0
 get_signal+0x154/0x8a0
 ? set_pte+0x5/0x10
 ? handle_mm_fault+0x1051/0x1960
 arch_do_signal_or_restart+0xf2/0x700
 ? __x64_sys_futex+0x12e/0x1a0
 exit_to_user_mode_prepare+0xfb/0x190
 syscall_exit_to_user_mode+0x18/0x40
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x7f0d9f87fe92
Code: Unable to access opcode bytes at RIP 0x7f0d9f87fe68.
RSP: 002b:00007f0d7f8887a0 EFLAGS: 00000282 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 0000000000000007 RCX: 00007f0d9f87fe92
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00000a3387643504
RBP: 00000a33876434d8 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000282 R12: 0000000000000000
R13: 00000a33876434b0 R14: 00000a3387643504 R15: 00007f0d7f8887d0
Modules linked in: snd_seq_dummy snd_hrtimer uinput nf_conntrack_netlink xt_addrtype br_netfilter overlay xt_CHECKSUM xt_MASQUERADE xt_conntrack ipt_REJECT nf_nat_tftp nf_conntrack_tftp bridge stp llc tun 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 nf_tables ebtable_nat ebtable_broute 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 nfnetlink rfkill ebtable_filter ebtables ip6table_filter ip6_tables iptable_filter hwmon_vid binfmt_misc sunrpc squashfs loop snd_hda_codec_realtek snd_hda_codec_generic ledtrig_audio snd_hda_codec_hdmi snd_hda_intel snd_intel_dspcfg soundwire_intel soundwire_generic_allocation snd_soc_core snd_compress uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common
 snd_pcm_dmaengine edac_mce_amd snd_usb_audio videodev snd_usbmidi_lib snd_rawmidi mc soundwire_cadence snd_hda_codec snd_hda_core joydev kvm_amd ac97_bus ccp snd_hwdep kvm snd_seq snd_seq_device snd_pcm snd_timer snd sp5100_tco irqbypass i2c_piix4 ppdev k10temp crct10dif_pclmul soundcore crc32_pclmul ghash_clmulni_intel pcspkr r8169 parport_pc parport acpi_cpufreq ip_tables amdgpu iommu_v2 gpu_sched hid_roccat_isku hid_roccat hid_roccat_common radeon hid_logitech_hidpp i2c_algo_bit drm_ttm_helper ttm crc32c_intel drm_kms_helper cec drm video hid_logitech_dj fuse i2c_dev
CR2: 0000000000000000