Backtrace

BUG: kernel NULL pointer dereference, address: 0000000000000960
#PF: supervisor read access in kernel mode
#PF: error_code(0x0000) - not-present page
PGD 0 P4D 0 
Oops: 0000 [#2] SMP PTI
CPU: 4 PID: 876 Comm: NetworkManager Tainted: G      D           5.11.16-200.fc33.x86_64 #1
Hardware name: HP HP Pavilion 580-027c Desktop Rfrbd PC/82F1, BIOS F.24 03/06/2018
RIP: 0010:get_obj_cgroup_from_current+0x97/0x170
Code: c6 00 00 00 65 48 8b 04 25 c0 7b 01 00 48 85 c0 74 0b 48 8b 80 90 0d 00 00 48 8b 58 20 48 39 1d a7 5a a4 01 0f 84 86 00 00 00 <4c> 8b a3 60 09 00 00 4d 85 e4 74 58 49 8b 04 24 a8 03 75 2b 65 48
RSP: 0000:ffffa0444160bc40 EFLAGS: 00010286
RAX: ffffffffffffff30 RBX: 0000000000000000 RCX: 0000000000000400
RDX: 0000000000000001 RSI: 0000000000000cc0 RDI: ffff93c780047600
RBP: 0000000000000cc0 R08: ffffffffaabad540 R09: ffff93cadecea0b0
R10: 000000000000035b R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000001 R14: ffff93c780047600 R15: ffffffffaac05d80
FS:  00007f1ff11e4080(0000) GS:ffff93caded00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000960 CR3: 000000013031a004 CR4: 00000000003706e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 slab_pre_alloc_hook.constprop.0+0x49/0xd0
 ? prepare_creds+0x22/0x240
 kmem_cache_alloc+0x35/0x1e0
 ? do_coredump+0x74/0x1090
 prepare_creds+0x22/0x240
 do_coredump+0xa3/0x1090
 ? prb_read_valid+0x17/0x20
 get_signal+0x14b/0x8a0
 ? __send_signal+0x294/0x3d0
 arch_do_signal_or_restart+0xf2/0x700
 ? force_sig_info_to_task+0xbe/0xf0
 ? force_sig_fault+0x4c/0x70
 ? __bad_area_nosemaphore+0x13a/0x190
 exit_to_user_mode_prepare+0xfb/0x190
 ? asm_exc_page_fault+0x8/0x30
 irqentry_exit_to_user_mode+0x5/0x30
 asm_exc_page_fault+0x1e/0x30
RIP: 0033:0x7f1ff230d744
Code: c5 41 20 d5 0f 85 cc 00 00 00 f0 83 2b 01 74 16 48 83 c4 08 5b 5d 41 5c 41 5d 41 5e 41 5f c3 0f 1f 80 00 00 00 00 48 8b 45 58 <48> 83 78 20 00 74 25 f0 83 03 01 4d 85 e4 0f 85 a8 02 00 00 48 8b
RSP: 002b:00007ffce56fdf10 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 0000563c8cac4c18 RCX: 0000563c8ca3cd80
RDX: 0000000000000000 RSI: 0000563c8ca07340 RDI: 0000563c8cac4c00
RBP: 0000563c8cac4c00 R08: 0000000000000000 R09: 0000000000000000
R10: 00007ffce5725080 R11: 00007ffce5725090 R12: 0000563c8ca07340
R13: 0000000000000000 R14: 00007ffce56fdf98 R15: 0000000000000000
Modules linked in: dm_crypt snd_seq_dummy snd_hrtimer rfcomm xt_CHECKSUM xt_MASQUERADE xt_conntrack ipt_REJECT nf_nat_tftp nf_conntrack_tftp tun bridge stp llc ccm 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 mei_hdcp snd_hda_codec_realtek snd_hda_codec_generic ledtrig_audio snd_hda_codec_hdmi snd_hda_intel snd_intel_dspcfg soundwire_intel iwlmvm soundwire_generic_allocation snd_soc_core snd_compress snd_pcm_dmaengine mac80211 soundwire_cadence snd_hda_codec intel_rapl_msr intel_rapl_common libarc4 snd_hda_core btusb iTCO_wdt ac97_bus snd_hwdep x86_pkg_temp_thermal intel_pmc_bxt
 btrtl iTCO_vendor_support snd_seq intel_powerclamp btbcm ee1004 snd_seq_device btintel iwlwifi coretemp snd_pcm rapl intel_cstate hp_wmi intel_uncore bluetooth sparse_keymap i2c_i801 wmi_bmof pcspkr snd_timer i2c_smbus cfg80211 ecdh_generic snd ecc rfkill mei_me soundcore mei acpi_pad zram ip_tables ums_realtek uas usb_storage amdgpu drm_ttm_helper ttm iommu_v2 gpu_sched i2c_algo_bit drm_kms_helper cec drm crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel r8169 wmi video fuse
CR2: 0000000000000960