Backtrace

general protection fault, probably for non-canonical address 0xcd9dc7b78f2494ec: 0000 [#2] SMP PTI
CPU: 1 PID: 1568 Comm: pulseaudio Tainted: G      D    OE     5.8.18-100.fc31.x86_64 #1
Hardware name: Dell Inc. Latitude E6410/0K42JR, BIOS A16 12/05/2013
RIP: 0010:__kmalloc+0x9a/0x270
Code: 88 01 00 00 4d 8b 07 65 49 8b 50 08 65 4c 03 05 d4 ef d2 52 4d 8b 20 4d 85 e4 0f 84 a3 01 00 00 41 8b 47 20 49 8b 3f 4c 01 e0 <48> 8b 18 48 89 c1 49 33 9f 70 01 00 00 48 0f c9 48 31 cb 40 f6 c7
RSP: 0018:ffffb01d80ff3c20 EFLAGS: 00010282
RAX: cd9dc7b78f2494ec RBX: 0000000000000000 RCX: ffff96e2662ae0d0
RDX: 0000000000078cb8 RSI: 0000000000000dc0 RDI: 000000000002f0c0
RBP: 0000000000000dc0 R08: ffff96e363e6f0c0 R09: 000000001f746f70
R10: 00000000676e6f6d R11: 000000004180e48a R12: cd9dc7b78f2494bc
R13: 0000000000000050 R14: ffff96e363407480 R15: ffff96e363407480
FS:  00007f84dc9eadc0(0000) GS:ffff96e363e40000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f8484000010 CR3: 00000000a5a48005 CR4: 00000000000206e0
Call Trace:
 ? ext4_htree_store_dirent+0x36/0x100
 ext4_htree_store_dirent+0x36/0x100
 htree_dirblock_to_tree+0xe5/0x270
 ? ext4_htree_store_dirent+0xe0/0x100
 ext4_htree_fill_tree+0x1c6/0x2b0
 ext4_readdir+0x67c/0xa10
 iterate_dir+0x179/0x190
 ksys_getdents64+0x69/0xf0
 ? verify_dirent_name+0x30/0x30
 __x64_sys_getdents64+0x16/0x20
 do_syscall_64+0x4d/0x90
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x7f84dd30e59b
Code: 0f 1e fa 48 8b 47 20 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa 48 81 fa ff ff ff 7f b8 ff ff ff 7f 48 0f 47 d0 b8 d9 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 05 c3 0f 1f 40 00 48 8b 15 b9 88 0f 00 f7 d8
RSP: 002b:00007ffe705b31b8 EFLAGS: 00000293 ORIG_RAX: 00000000000000d9
RAX: ffffffffffffffda RBX: 0000563d4fb19f50 RCX: 00007f84dd30e59b
RDX: 0000000000008000 RSI: 0000563d4fb19f80 RDI: 000000000000002a
RBP: 0000563d4fb19f80 R08: 0000000000000030 R09: 00007f84dd4081d0
R10: 0000000000000000 R11: 0000000000000293 R12: fffffffffffffef0
R13: 0000563d4fb19f54 R14: 0000000000000002 R15: 00007f84cb98a031
Modules linked in: rfcomm ccm xt_CHECKSUM xt_MASQUERADE nf_nat_tftp nf_conntrack_tftp tun bridge stp llc nf_conntrack_netbios_ns nf_conntrack_broadcast xt_CT ip6t_REJECT nf_reject_ipv6 ip6t_rpfilter ipt_REJECT nf_reject_ipv4 xt_conntrack ebtable_nat ebtable_broute ip6table_nat ip6table_mangle ip6table_raw ip6table_security iptable_nat nf_nat iptable_mangle iptable_raw iptable_security nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip_set nfnetlink ebtable_filter ebtables ip6table_filter ip6_tables iptable_filter bnep vboxnetadp(OE) vboxnetflt(OE) vboxdrv(OE) sunrpc uvcvideo btusb btrtl btbcm btintel videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 bluetooth videobuf2_common videodev ecdh_generic iwldvm ecc mc mac80211 snd_hda_codec_idt snd_hda_codec_generic snd_hda_codec_hdmi intel_powerclamp coretemp snd_hda_intel libarc4 kvm_intel snd_intel_dspcfg kvm snd_hda_codec iwlwifi snd_hda_core irqbypass at24 dell_rbtn snd_hwdep mei_wdt snd_seq intel_cstate intel_uncore dell_laptop
 ledtrig_audio snd_seq_device iTCO_wdt intel_pmc_bxt snd_pcm cfg80211 iTCO_vendor_support dell_smm_hwmon ppdev snd_timer dell_wmi pcspkr dell_smbios i2c_i801 snd sparse_keymap dcdbas joydev rfkill intel_ips soundcore i2c_smbus lpc_ich wmi_bmof dell_wmi_descriptor mei_me mei parport_pc dell_smo8800 parport acpi_cpufreq ip_tables nouveau mxm_wmi i2c_algo_bit drm_kms_helper sdhci_pci crct10dif_pclmul cqhci crc32_pclmul crc32c_intel sdhci ghash_clmulni_intel cec ttm serio_raw mmc_core e1000e firewire_ohci drm firewire_core crc_itu_t wmi video fuse