[ 3405.666456] general protection fault: 0000 [#1] SMP
[ 3405.666519] Modules linked in: rfcomm bnep binfmt_misc
snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic arc4
snd_soc_skl snd_soc_skl_ipc snd_hda_ext_core iwlmvm snd_soc_sst_ipc
snd_soc_sst_dsp snd_soc_core mac80211 btusb snd_compress btrtl ac97_bus
snd_pcm_dmaengine dw_dmac_core snd_hda_intel snd_hda_codec snd_hda_core
8250_dw snd_hwdep intel_rapl snd_pcm x86_pkg_temp_thermal
intel_powerclamp coretemp iwlwifi snd_seq_midi snd_seq_midi_event
kvm_intel snd_rawmidi hci_uart btbcm btqca snd_seq cfg80211
snd_seq_device kvm btintel bluetooth snd_timer irqbypass
ir_sharp_decoder ir_rc5_decoder snd ir_lirc_codec ir_jvc_decoder
ir_xmp_decoder lirc_dev ir_mce_kbd_decoder ir_sanyo_decoder
ir_rc6_decoder ir_sony_decoder ir_nec_decoder rc_rc6_mce soundcore
ite_cir intel_lpss_acpi mei_me rc_core
[ 3405.667326]  idma64 virt_dma shpchp intel_lpss_pci intel_lpss mei
acpi_pad acpi_als kfifo_buf industrialio mac_hid parport_pc ppdev lp
parport autofs4 btrfs xor raid6_pq jitterentropy_rng drbg ansi_cprng
dm_crypt algif_skcipher af_alg dm_mirror dm_region_hash dm_log
crct10dif_pclmul crc32_pclmul i915_bpo intel_ips i2c_algo_bit
drm_kms_helper aesni_intel syscopyarea sysfillrect aes_x86_64 lrw
gf128mul glue_helper sysimgblt ablk_helper e1000e fb_sys_fops sdhci_pci
cryptd ahci ptp i2c_hid drm pps_core libahci sdhci pinctrl_sunrisepoint
video hid pinctrl_intel fjes
[ 3405.667929] CPU: 3 PID: 2261 Comm: hexchat Not tainted
4.4.0-21-generic #37-Ubuntu
[ 3405.667998] Hardware name:                  /NUC6i3SYB, BIOS
SYSKLi35.86A.0042.2016.0409.1246 04/09/2016
[ 3405.668082] task: ffff88003565ac40 ti: ffff8804332e8000 task.ti:
ffff8804332e8000
[ 3405.668148] RIP: 0010:[<ffffffff811eb027>]  [<ffffffff811eb027>]
kmem_cache_alloc+0x77/0x1f0
[ 3405.668234] RSP: 0018:ffff8804332eba88  EFLAGS: 00010282
[ 3405.668282] RAX: 0000000000000000 RBX: 0000000002408040 RCX:
00000000000e1547
[ 3405.668345] RDX: 00000000000e1546 RSI: 0000000002408040 RDI:
000000000001a940
[ 3405.668408] RBP: ffff8804332ebab8 R08: ffff88046ed9a940 R09:
ffdb88033bb3a3a8
[ 3405.668470] R10: ffff8804591a4ed0 R11: ffffffff81ccc462 R12:
0000000002408040
[ 3405.668533] R13: ffffffff81243351 R14: ffff88045e08bc00 R15:
ffff88045e08bc00
[ 3405.668597] FS:  00007f1df9704a40(0000) GS:ffff88046ed80000(0000)
knlGS:0000000000000000
[ 3405.668668] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 3405.668719] CR2: 00007fd945ecebd6 CR3: 0000000456a48000 CR4:
00000000003406e0
[ 3405.668782] DR0: 0000000000000000 DR1: 0000000000000000 DR2:
0000000000000000
[ 3405.668844] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7:
0000000000000400
[ 3405.668906] Stack:
[ 3405.668926]  01ff880438ee2508 0000000000001000 ffff8803344df000
ffffea000cd137c0
[ 3405.669003]  0000000000000000 0000000000000000 ffff8804332ebad0
ffffffff81243351
[ 3405.669080]  ffff8800354bd024 ffff8804332ebb18 ffffffff81243829
00000001332ebb70
[ 3405.669156] Call Trace:
[ 3405.669186]  [<ffffffff81243351>] alloc_buffer_head+0x21/0x60
[ 3405.669240]  [<ffffffff81243829>] alloc_page_buffers+0x79/0xe0
[ 3405.669294]  [<ffffffff812438ae>] create_empty_buffers+0x1e/0xc0
[ 3405.669351]  [<ffffffff812979cc>] ext4_block_write_begin+0x3cc/0x4d0
[ 3405.669410]  [<ffffffff812e74db>] ? jbd2__journal_start+0xdb/0x1e0
[ 3405.669469]  [<ffffffff81296e10>] ?
ext4_inode_attach_jinode.part.60+0xb0/0xb0
[ 3405.669536]  [<ffffffff812cb83d>] ? __ext4_journal_start_sb+0x6d/0x120
[ 3405.669596]  [<ffffffff8129d574>] ext4_da_write_begin+0x154/0x320
[ 3405.669656]  [<ffffffff8118d4de>] generic_perform_write+0xce/0x1c0
[ 3405.669713]  [<ffffffff8118f382>] __generic_file_write_iter+0x1a2/0x1e0
[ 3405.669773]  [<ffffffff81291ffc>] ext4_file_write_iter+0xfc/0x460
[ 3405.669833]  [<ffffffff81794d6e>] ? inet_recvmsg+0x7e/0xb0
[ 3405.669885]  [<ffffffff816fdb6b>] ? sock_recvmsg+0x3b/0x50
[ 3405.669938]  [<ffffffff8120bedb>] new_sync_write+0x9b/0xe0
[ 3405.669990]  [<ffffffff8120bf46>] __vfs_write+0x26/0x40
[ 3405.670040]  [<ffffffff8120c8c9>] vfs_write+0xa9/0x1a0
[ 3405.672397]  [<ffffffff8120c776>] ? vfs_read+0x86/0x130
[ 3405.674693]  [<ffffffff8120d585>] SyS_write+0x55/0xc0
[ 3405.676925]  [<ffffffff818244f2>] entry_SYSCALL_64_fastpath+0x16/0x71
[ 3405.679111] Code: 08 65 4c 03 05 83 f1 e1 7e 49 83 78 10 00 4d 8b 08
0f 84 29 01 00 00 4d 85 c9 0f 84 20 01 00 00 49 63 47 20 48 8d 4a 01 49
8b 3f <49> 8b 1c 01 4c 89 c8 65 48 0f c7 0f 0f 94 c0 84 c0 74 bb 49 63
[ 3405.683725] RIP  [<ffffffff811eb027>] kmem_cache_alloc+0x77/0x1f0
[ 3405.685876]  RSP <ffff8804332eba88>
[ 3405.696001] ---[ end trace 4968a9119e168c92 ]---