Backtrace

BUG: kernel NULL pointer dereference, address: 0000000000000008
#PF: supervisor read access in kernel mode
#PF: error_code(0x0000) - not-present page
PGD 0 P4D 0 
Oops: 0000 [#3] SMP PTI
CPU: 0 PID: 3102 Comm: systemd-coredum Tainted: G      D W         5.11.12-300.fc34.x86_64 #1
Hardware name: Apple Inc. Macmini5,1/Mac-8ED6AF5B48C039E1, BIOS 131.0.0.0.0 12/19/2018
RIP: 0010:skb_release_data+0x6b/0x1b0
Code: 20 39 c2 0f 85 1d 01 00 00 31 db 80 7d 02 00 75 0d eb 4b 0f b6 45 02 83 c3 01 39 d8 7e 40 48 63 c3 48 c1 e0 04 48 8b 7c 28 30 <48> 8b 47 08 48 8d 50 ff a8 01 48 0f 45 fa 66 66 66 66 90 8b 47 34
RSP: 0018:ffffaac4c0a33bf8 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000003
RDX: 0000000000000001 RSI: ffff90a472b58000 RDI: 0000000000000000
RBP: ffff90a472b5bec0 R08: 000000000000002b R09: 0000000000000001
R10: 000000000000001e R11: ffff90a447c07b00 R12: ffff90a447c07b00
R13: ffff90a473b3e000 R14: 0000000000000000 R15: 0000000000008ab9
FS:  00007f371ac2fb40(0000) GS:ffff90a567a00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000008 CR3: 00000001815c6005 CR4: 00000000000606f0
Call Trace:
 kfree_skb+0x41/0xb0
 unix_dgram_sendmsg+0x1eb/0x9e0
 sock_sendmsg+0x5e/0x60
 ____sys_sendmsg+0x22c/0x270
 ? import_iovec+0x17/0x20
 ? sendmsg_copy_msghdr+0x59/0x90
 ___sys_sendmsg+0x81/0xc0
 ? __mod_memcg_lruvec_state+0x21/0xe0
 ? security_file_alloc+0x24/0x90
 ? avc_has_perm+0x6d/0x160
 ? _copy_to_user+0x2d/0x40
 ? sock_getsockopt+0x106/0xb60
 ? cap_inode_killpriv+0x20/0x20
 ? security_capable+0x36/0x50
 ? release_sock+0x19/0x90
 __sys_sendmsg+0x49/0x80
 do_syscall_64+0x33/0x40
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x7f371b9816c7
Code: 00 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
RSP: 002b:00007ffc5119dbe8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f371bcadfc9 RCX: 00007f371b9816c7
RDX: 0000000000004000 RSI: 00007ffc5119e770 RDI: 0000000000000008
RBP: 00007ffc5119e7e0 R08: 0000000000000004 R09: 00007f371bcadfc9
R10: 00007ffc5119dba4 R11: 0000000000000246 R12: 0000000000000570
R13: 0000000000000008 R14: 0000000000000057 R15: 00007f371ac2f9c8
Modules linked in: uinput snd_seq_dummy snd_hrtimer rfcomm 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 nls_utf8 hfsplus b43 cordic mac80211 snd_hda_codec_hdmi intel_rapl_msr snd_hda_codec_cirrus snd_hda_codec_generic intel_rapl_common ledtrig_audio x86_pkg_temp_thermal intel_powerclamp cfg80211 snd_hda_intel snd_intel_dspcfg btusb btrtl soundwire_intel soundwire_generic_allocation snd_soc_core btbcm btintel coretemp iTCO_wdt bluetooth intel_pmc_bxt kvm_intel ssb snd_compress kvm snd_pcm_dmaengine soundwire_cadence irqbypass rapl ecdh_generic intel_cstate snd_hda_codec rfkill
 iTCO_vendor_support mei_hdcp at24 libarc4 ecc applesmc intel_uncore pcspkr i2c_i801 snd_hda_core ac97_bus snd_hwdep snd_seq i2c_smbus apple_mfi_fastcharge lpc_ich snd_seq_device thunderbolt snd_pcm mei_me snd_timer snd mei bcma apple_gmux soundcore apple_bl zram ip_tables i915 hid_logitech_hidpp hid_apple crct10dif_pclmul crc32_pclmul crc32c_intel i2c_algo_bit drm_kms_helper ghash_clmulni_intel cec firewire_ohci drm sdhci_pci cqhci sdhci tg3 hid_appleir firewire_core mmc_core crc_itu_t video hid_logitech_dj fuse
CR2: 0000000000000008