Backtrace

BUG: kernel NULL pointer dereference, address: 0000000000000100
#PF: supervisor read access in kernel mode
#PF: error_code(0x0000) - not-present page
PGD 0 P4D 0 
Oops: 0000 [#1] SMP NOPTI
CPU: 10 PID: 656 Comm: systemd-udevd Not tainted 5.11.12-300.fc34.x86_64 #1
Hardware name: To Be Filled By O.E.M. To Be Filled By O.E.M./B450 Gaming K4, BIOS L3.21 06/06/2019
RIP: 0010:avtab_search_node+0xba/0xf0
Code: 89 c1 41 c1 e9 0d 44 31 c8 69 c0 35 ae b2 c2 41 89 c1 41 c1 e9 10 44 31 c8 23 47 10 48 8b 3f 48 98 48 8b 04 c7 48 85 c0 74 2f <66> 39 10 74 0c 77 1c 48 8b 40 10 48 85 c0 75 f0 c3 66 39 48 02 75
RSP: 0018:ffffb71c81c7bb30 EFLAGS: 00010206
RAX: 0000000000000100 RBX: ffff999887167d80 RCX: 0000000000000160
RDX: 00000000000012ca RSI: 0000000000000007 RDI: ffff9998841c0000
RBP: 000000000000015f R08: 0000000000000707 R09: 000000000000ecaa
R10: ffff9998847d1300 R11: fffff04200363536 R12: ffff999887167d88
R13: ffffb71c81c7bcf4 R14: ffffb71c81c7bc78 R15: ffff99988a9cb188
FS:  00007fb0bae0bb40(0000) GS:ffff999f7ea80000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000100 CR3: 0000000103076000 CR4: 00000000003506e0
Call Trace:
 context_struct_compute_av+0x1dd/0x470
 security_compute_av+0x12d/0x280
 avc_compute_av.isra.0+0x5a/0x1e0
 ? __rb_insert_augmented+0x128/0x1d0
 avc_has_perm_noaudit+0xa4/0xe0
 selinux_inode_permission+0x11a/0x1d0
 security_inode_permission+0x30/0x50
 link_path_walk.part.0.constprop.0+0x257/0x350
 ? path_init+0x2bd/0x3e0
 path_lookupat+0x3a/0x1b0
 filename_lookup+0x9b/0x180
 ? simple_attr_release+0x20/0x20
 ? __audit_getname+0x29/0x50
 ? getname_flags.part.0+0xa8/0x1b0
 ? user_path_at_empty+0x3f/0x80
 path_setxattr+0x3e/0xb0
 __x64_sys_setxattr+0x27/0x30
 do_syscall_64+0x33/0x40
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x7fb0bba1652e
Code: 48 8b 0d 45 49 0c 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 49 89 ca b8 bc 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 12 49 0c 00 f7 d8 64 89 01 48
RSP: 002b:00007fff42433528 EFLAGS: 00000246 ORIG_RAX: 00000000000000bc
RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fb0bba1652e
RDX: 0000561bdb740610 RSI: 00007fb0bb2b7268 RDI: 00007fff42433590
RBP: 0000561bdb740610 R08: 0000000000000000 R09: 00007fff42433400
R10: 000000000000002b R11: 0000000000000246 R12: 0000561bdb7369b0
R13: 00007fff42433590 R14: 0000000000000006 R15: 00007fff42433590
Modules linked in: fjes(-) nouveau(+) mxm_wmi video i2c_algo_bit drm_ttm_helper ttm drm_kms_helper cec snd_hda_codec_realtek snd_hda_codec_generic ledtrig_audio snd_hda_codec_hdmi snd_hda_intel snd_intel_dspcfg sunrpc soundwire_intel soundwire_generic_allocation snd_soc_core intel_rapl_msr intel_rapl_common snd_compress snd_pcm_dmaengine soundwire_cadence snd_hda_codec ucsi_ccg(+) edac_mce_amd typec_ucsi vfat fat snd_usb_audio snd_hda_core typec kvm_amd snd_usbmidi_lib ac97_bus snd_rawmidi snd_hwdep kvm snd_seq snd_seq_device snd_pcm irqbypass rapl snd_timer pcspkr snd joydev sp5100_tco mc wmi_bmof k10temp soundcore i2c_piix4 i2c_nvidia_gpu gpio_amdpt gpio_generic acpi_cpufreq drm zram ip_tables crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel nvme uas ccp r8169 usb_storage nvme_core wmi pinctrl_amd fuse
CR2: 0000000000000100