Backtrace

general protection fault, probably for non-canonical address 0x911330080214020: 0000 [#1] SMP PTI
CPU: 0 PID: 3580 Comm: chrome Not tainted 5.8.18-100.fc31.x86_64 #1
Hardware name: LENOVO 20078                           /Base Board Product Name, BIOS 40CN26WW(V2.12) 09/13/2011
RIP: 0010:xas_find+0x9b/0x1b0
Code: c0 ff ff ff 49 d3 e2 48 d3 e0 4c 21 d2 4c 8d 14 02 4c 89 57 08 4d 39 d1 72 72 0f b6 57 12 80 fa 40 74 7a 0f b6 c2 48 83 c0 04 <49> 8b 44 c0 08 48 89 c1 83 e1 03 48 83 f9 02 0f 94 c1 48 3d 00 10
RSP: 0018:ffffb74e00987c40 EFLAGS: 00010202
RAX: 0000000000000004 RBX: ffffb74e00987d70 RCX: 0000000000000001
RDX: 0000000000000000 RSI: ffffffffffffffc0 RDI: ffffb74e00987c48
RBP: 0911330080214002 R08: 0911330080214000 R09: ffffffffffffffff
R10: 0000000000000042 R11: ffffb74e00987c18 R12: 000000000000000f
R13: ffffb74e00987cf0 R14: 0000000000000001 R15: 0000000000000000
FS:  00007f79ee33bd80(0000) GS:ffff95cefba00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000031b4faffbd08 CR3: 000000013ab74002 CR4: 00000000000606f0
Call Trace:
 find_get_entries+0x1c6/0x330
 shmem_undo_range+0x28f/0x820
 shmem_fallocate+0x43e/0x460
 ? selinux_file_permission+0xfe/0x130
 vfs_fallocate+0x146/0x280
 ksys_fallocate+0x3a/0x70
 __x64_sys_fallocate+0x1a/0x20
 do_syscall_64+0x4d/0x90
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x7f79ef88a38f
Code: 89 7c 24 08 48 89 4c 24 18 e8 ad fa f8 ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 8b 74 24 0c 8b 7c 24 08 b8 1d 01 00 00 0f 05 <48> 3d 00 f0 ff ff 77 2b 44 89 c7 89 44 24 08 e8 dd fa f8 ff 8b 44
RSP: 002b:00007fff28b8fc60 EFLAGS: 00000293 ORIG_RAX: 000000000000011d
RAX: ffffffffffffffda RBX: 0000000000200000 RCX: 00007f79ef88a38f
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000000000cf
RBP: 00007fff28b8fd60 R08: 0000000000000000 R09: 0000000000001639
R10: 0000000000200000 R11: 0000000000000293 R12: 0000000000200000
R13: 0000000000000000 R14: 0000000000000000 R15: 00007fff28b90050
Modules linked in: uinput 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 sunrpc brcmsmac brcmutil b43 snd_hda_codec_hdmi snd_hda_codec_conexant snd_hda_codec_generic ledtrig_audio snd_hda_intel cordic snd_intel_dspcfg snd_hda_codec mac80211 snd_hda_core snd_hwdep intel_rapl_msr intel_rapl_common cfg80211 x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel kvm uvcvideo irqbypass videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 snd_seq videobuf2_common snd_seq_device ssb libarc4 videodev rtsx_usb_ms mc memstick snd_pcm iTCO_wdt intel_pmc_bxt
 bcma iTCO_vendor_support ideapad_laptop sparse_keymap rfkill rapl wmi intel_cstate mei_hdcp snd_timer snd soundcore at24 mei_me i2c_i801 intel_uncore mei i2c_smbus joydev lpc_ich pcspkr ip_tables i915 i2c_algo_bit drm_kms_helper rtsx_usb_sdmmc mmc_core cec drm crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw rtsx_usb atl1c video fuse