Backtrace

general protection fault, probably for non-canonical address 0xdfff97e9964d2f50: 0000 [#3] SMP NOPTI
CPU: 0 PID: 5883 Comm: Chrome_ChildIOT Tainted: G      D           5.11.12-300.fc34.x86_64 #1
Hardware name: Hewlett-Packard HP ProBook 6555b/1455, BIOS 68DTM Ver. F.02 05/11/2010
RIP: 0010:kfree+0x238/0x400
Code: 03 0d 84 28 1a 01 48 29 c8 8b 4a 20 89 c7 48 0f af f9 0f b6 4a 24 48 c1 ef 20 29 f8 d3 e8 0f b6 4a 25 01 f8 d3 e8 48 8d 04 c6 <4c> 8b 30 4d 85 f6 0f 84 de fe ff ff 48 c7 00 00 00 00 00 8b 72 18
RSP: 0018:ffffad11828b3b78 EFLAGS: 00010216
RAX: dfff97e9964d2f50 RBX: ffff97e8a515e800 RCX: 0000000000000009
RDX: ffff97e980042500 RSI: dfff97e9964d2f00 RDI: 0000000000000000
RBP: ffffe1c040945700 R08: ffff97e8b63ea3f0 R09: ffffad11828b3b00
R10: 0000000000000000 R11: 000000007ffff000 R12: ffffe1c040945700
R13: ffff97e8a515e800 R14: 0000000000000208 R15: ffff97e980042500
FS:  00007fa40f0aa640(0000) GS:ffff97e9bc000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000a7c412b5018 CR3: 000000004d1f6000 CR4: 00000000000006f0
Call Trace:
 ? consume_skb+0x3c/0xa0
 consume_skb+0x3c/0xa0
 unix_stream_read_generic+0x772/0x840
 unix_stream_recvmsg+0x43/0x50
 ? unix_copy_addr+0x30/0x30
 ____sys_recvmsg+0x87/0x170
 ? load_new_mm_cr3+0x23/0xa0
 ? __check_object_size+0x46/0x150
 ? _copy_from_user+0x3c/0x80
 ? iovec_from_user.part.0+0x54/0x1a0
 ? __import_iovec+0x4a/0x170
 ___sys_recvmsg+0x79/0xe0
 ? do_futex+0x1ab/0xb20
 ? ep_done_scan+0xc4/0xe0
 ? do_epoll_wait+0xe0/0x760
 __sys_recvmsg+0x46/0x80
 do_syscall_64+0x33/0x40
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x7fa422caf65d
Code: 28 89 54 24 1c 48 89 74 24 10 89 7c 24 08 e8 9a ef ff ff 8b 54 24 1c 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 2f 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 33 44 89 c7 48 89 44 24 08 e8 ee ef ff ff 48
RSP: 002b:00007fa40f0a90b0 EFLAGS: 00000293 ORIG_RAX: 000000000000002f
RAX: ffffffffffffffda RBX: 0000000000000040 RCX: 00007fa422caf65d
RDX: 0000000000000040 RSI: 00007fa40f0a9100 RDI: 0000000000000003
RBP: 00007fa40f0a93a0 R08: 0000000000000000 R09: 000055aa87bb5910
R10: 00007ffc5b06a080 R11: 0000000000000293 R12: 00007fa40f0a9160
R13: 00007fa40f0a9100 R14: 00007fa40f0a93f0 R15: 0000000000000003
Modules linked in: ccm rfcomm cmac bnep btusb btrtl btbcm btintel bluetooth ecdh_generic ecc uinput vfat fat snd_seq_dummy snd_hrtimer 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 sunrpc brcmsmac brcmutil b43 snd_hda_codec_idt snd_hda_codec_generic ledtrig_audio snd_hda_codec_hdmi snd_hda_intel edac_mce_amd snd_intel_dspcfg cordic soundwire_intel soundwire_generic_allocation mac80211 snd_soc_core uvcvideo ccp videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 snd_compress snd_pcm_dmaengine soundwire_cadence videobuf2_common kvm cfg80211 snd_hda_codec videodev snd_hda_core mc ac97_bus ppdev snd_hwdep irqbypass
 ssb snd_seq libarc4 hp_wmi sparse_keymap snd_seq_device rfkill snd_pcm joydev pcspkr wmi_bmof sp5100_tco i2c_piix4 k10temp snd_timer snd soundcore bcma parport_pc parport hp_accel tpm_infineon lis3lv02d acpi_cpufreq zram ip_tables radeon sdhci_pci i2c_algo_bit drm_ttm_helper ttm drm_kms_helper cqhci serio_raw sdhci cec firewire_ohci drm mmc_core firewire_core crc_itu_t sky2 wmi video uas usb_storage fuse