Backtrace

general protection fault, probably for non-canonical address 0x2000000000000: 0000 [#1] SMP PTI
CPU: 0 PID: 1671 Comm: niltalk Tainted: G           OE     5.10.11-200.fc33.x86_64 #1
Hardware name: Notebook                         N130BU/N130BU, BIOS 1.05.02 01/16/2017
RIP: 0010:kill_fasync+0x24/0x80
Code: 00 00 00 00 00 90 0f 1f 44 00 00 48 83 3f 00 74 70 41 55 41 54 55 53 48 8b 1f 48 85 db 74 57 89 f5 41 89 d4 41 bd 00 fe ff ff <81> 7b 08 01 46 00 00 0f 85 18 84 83 00 48 89 df e8 17 48 89 00 48
RSP: 0018:ffffb1e401227db8 EFLAGS: 00010206
RAX: 0000000000000001 RBX: 0002000000000000 RCX: 00000567f623ecad
RDX: 0000000000000001 RSI: 000000000000001d RDI: ffff96f8491ff148
RBP: 000000000000001d R08: ffff96f8491ff0d0 R09: ffff96fbb43a9e30
R10: 0000000000000153 R11: 0000000000000000 R12: 0000000000000001
R13: 00000000fffffe00 R14: 0000000000000001 R15: ffff96f8491ff0c0
FS:  00007efc19bca640(0000) GS:ffff96fbb4200000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00001aecfe18a000 CR3: 0000000120ef8001 CR4: 00000000003706f0
Call Trace:
 pipe_write+0x36c/0x5c0
 ? generic_exec_single+0x68/0xd0
 ? smp_call_function_single_async+0x17/0x20
 ? update_process_times+0xb0/0xc0
 new_sync_write+0x175/0x180
 vfs_write+0x1bc/0x270
 ksys_write+0x87/0xc0
 do_syscall_64+0x33/0x40
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x7efc4352905f
Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 b9 fc ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 0c fd ff ff 48
RSP: 002b:00007efc19bc9b20 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007efc4352905f
RDX: 0000000000000001 RSI: 00007efc19bc9b87 RDI: 000000000000000a
RBP: 00007efc19bc9b87 R08: 0000000000000000 R09: 00007efbf8004fe0
R10: 0000000000000004 R11: 0000000000000293 R12: 0000000000000000
R13: 0000000000000001 R14: 0000000002123598 R15: 00000000000016f8
Modules linked in: 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 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 ebtable_filter ebtables ip6table_filter ip6_tables iptable_filter vboxnetadp(OE) vboxnetflt(OE) vboxdrv(OE) sunrpc iwlmvm mac80211 snd_soc_skl snd_hda_codec_hdmi snd_soc_sst_ipc snd_soc_sst_dsp snd_hda_codec_realtek libarc4 snd_hda_codec_generic snd_hda_ext_core ledtrig_audio uvcvideo snd_soc_acpi_intel_match iwlwifi snd_soc_acpi snd_hda_intel videobuf2_vmalloc videobuf2_memops snd_intel_dspcfg videobuf2_v4l2 intel_rapl_msr soundwire_intel videobuf2_common
 soundwire_generic_allocation cfg80211 snd_soc_core mei_hdcp intel_rapl_common iTCO_wdt ee1004 intel_pmc_bxt videodev iTCO_vendor_support x86_pkg_temp_thermal snd_compress snd_pcm_dmaengine intel_powerclamp btusb soundwire_cadence coretemp btrtl btbcm btintel bluetooth kvm_intel snd_hda_codec mc ecdh_generic kvm ecc snd_hda_core ac97_bus snd_hwdep snd_seq snd_seq_device snd_pcm irqbypass rapl intel_cstate intel_uncore snd_timer snd i2c_i801 mei_me pcspkr intel_wmi_thunderbolt rfkill i2c_smbus soundcore joydev intel_xhci_usb_role_switch mei roles intel_pch_thermal acpi_pad binfmt_misc fuse zram ip_tables i915 i2c_algo_bit drm_kms_helper cec rtsx_pci_sdmmc crct10dif_pclmul crc32_pclmul crc32c_intel drm ghash_clmulni_intel mmc_core r8169 serio_raw rtsx_pci wmi video