open("/etc/ld.so.cache", O_RDONLY)      = 6
fstat(6, {st_mode=S_IFREG|0644, st_size=74784, ...}) = 0
mmap(NULL, 74784, PROT_READ, MAP_PRIVATE, 6, 0) = 0x7f933043f000
close(6)                                = 0
access("/etc/ld.so.nohwcap", F_OK)      = -1 ENOENT (No such file or directory)
open("/lib/libselinux.so.1", O_RDONLY)  = 6
read(6, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\240Q\0\0"..., 832) = 832
fstat(6, {st_mode=S_IFREG|0644, st_size=109368, ...}) = 0
mmap(NULL, 2209176, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 6, 0) = 0x7f932da35000
mprotect(0x7f932da4e000, 2097152, PROT_NONE) = 0
mmap(0x7f932dc4e000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 6, 0x19000) = 0x7f932dc4e000
mmap(0x7f932dc50000, 1432, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x7f932dc50000
close(6)                                = 0
open("/etc/selinux/config", O_RDONLY)   = -1 ENOENT (No such file or directory)
statfs("/selinux", 0x7fff385f3490)      = -1 ENOENT (No such file or directory)
open("/proc/mounts", O_RDONLY)          = 6
fstat(6, {st_mode=S_IFREG|0444, st_size=0, ...}) = 0
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f93305e2000
read(6, "rootfs / rootfs rw 0 0\nnone /sys"..., 1024) = 1024
read(6, ",nodev,noexec 0 0\ntmpfs /var/run"..., 1024) = 545
read(6, "", 1024)                       = 0
close(6)                                = 0
munmap(0x7f93305e2000, 4096)            = 0
munmap(0x7f933043f000, 74784)           = 0
read(5, "", 4096)                       = 0
close(5)                                = 0
munmap(0x7f9330452000, 4096)            = 0
stat("/etc/pam.d", {st_mode=S_IFDIR|0755, st_size=4096, ...}) = 0
open("/etc/pam.d/common-account", O_RDONLY) = 5
fstat(5, {st_mode=S_IFREG|0644, st_size=491, ...}) = 0
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f93305e2000
read(5, "#\n# /etc/pam.d/common-account - "..., 4096) = 491
read(5, "", 4096)                       = 0
close(5)                                = 0
munmap(0x7f93305e2000, 4096)            = 0
read(4, "", 4096)                       = 0
close(4)                                = 0
munmap(0x7f9330453000, 4096)            = 0
open("/etc/pam.d/other", O_RDONLY)      = 4
fstat(4, {st_mode=S_IFREG|0644, st_size=520, ...}) = 0
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f93305e2000
read(4, "#\n# /etc/pam.d/other - specify t"..., 4096) = 520
stat("/etc/pam.d", {st_mode=S_IFDIR|0755, st_size=4096, ...}) = 0
open("/etc/pam.d/common-auth", O_RDONLY) = 5
fstat(5, {st_mode=S_IFREG|0644, st_size=639, ...}) = 0
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f93305e1000
read(5, "#\n# /etc/pam.d/common-auth - aut"..., 4096) = 639
read(5, "", 4096)                       = 0
close(5)                                = 0
munmap(0x7f93305e1000, 4096)            = 0
stat("/etc/pam.d", {st_mode=S_IFDIR|0755, st_size=4096, ...}) = 0
open("/etc/pam.d/common-account", O_RDONLY) = 5
fstat(5, {st_mode=S_IFREG|0644, st_size=491, ...}) = 0
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f93305e1000
read(5, "#\n# /etc/pam.d/common-account - "..., 4096) = 491
read(5, "", 4096)                       = 0
close(5)                                = 0
munmap(0x7f93305e1000, 4096)            = 0
stat("/etc/pam.d", {st_mode=S_IFDIR|0755, st_size=4096, ...}) = 0
open("/etc/pam.d/common-password", O_RDONLY) = 5
fstat(5, {st_mode=S_IFREG|0644, st_size=1728, ...}) = 0
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f93305e1000
read(5, "#\n# /etc/pam.d/common-password -"..., 4096) = 1728
read(5, "", 4096)                       = 0
close(5)                                = 0
munmap(0x7f93305e1000, 4096)            = 0
stat("/etc/pam.d", {st_mode=S_IFDIR|0755, st_size=4096, ...}) = 0
open("/etc/pam.d/common-session", O_RDONLY) = 5
fstat(5, {st_mode=S_IFREG|0644, st_size=570, ...}) = 0
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f93305e1000
read(5, "#\n# /etc/pam.d/common-session - "..., 4096) = 570
open("/lib/security/pam_mkhomedir.so", O_RDONLY) = 6
read(6, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0P\17\0\0"..., 832) = 832
fstat(6, {st_mode=S_IFREG|0644, st_size=17864, ...}) = 0
mmap(NULL, 2113128, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 6, 0) = 0x7f932d831000
mprotect(0x7f932d833000, 2093056, PROT_NONE) = 0
mmap(0x7f932da32000, 12288, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 6, 0x1000) = 0x7f932da32000
close(6)                                = 0
open("/lib/security/pam_foreground.so", O_RDONLY) = -1 ENOENT (No such file or directory)
stat("/etc/localtime", {st_mode=S_IFREG|0644, st_size=3661, ...}) = 0
socket(PF_FILE, SOCK_DGRAM, 0)          = 6
fcntl(6, F_SETFD, FD_CLOEXEC)           = 0
connect(6, {sa_family=AF_FILE, path="/dev/log"}, 110) = 0
sendto(6, "<83>Aug 22 09:35:07 sudo: PAM un"..., 79, MSG_NOSIGNAL, NULL, 0) = 79
open("/usr/share/locale/en_GB.UTF-8/LC_MESSAGES/libc.mo", O_RDONLY) = -1 ENOENT (No such file or directory)
open("/usr/share/locale/en_GB.utf8/LC_MESSAGES/libc.mo", O_RDONLY) = -1 ENOENT (No such file or directory)
open("/usr/share/locale/en_GB/LC_MESSAGES/libc.mo", O_RDONLY) = -1 ENOENT (No such file or directory)
open("/usr/share/locale/en.UTF-8/LC_MESSAGES/libc.mo", O_RDONLY) = -1 ENOENT (No such file or directory)
open("/usr/share/locale/en.utf8/LC_MESSAGES/libc.mo", O_RDONLY) = -1 ENOENT (No such file or directory)
open("/usr/share/locale/en/LC_MESSAGES/libc.mo", O_RDONLY) = -1 ENOENT (No such file or directory)
open("/usr/share/locale-langpack/en_GB.UTF-8/LC_MESSAGES/libc.mo", O_RDONLY) = -1 ENOENT (No such file or directory)
open("/usr/share/locale-langpack/en_GB.utf8/LC_MESSAGES/libc.mo", O_RDONLY) = -1 ENOENT (No such file or directory)
open("/usr/share/locale-langpack/en_GB/LC_MESSAGES/libc.mo", O_RDONLY) = 7
fstat(7, {st_mode=S_IFREG|0644, st_size=1730, ...}) = 0
mmap(NULL, 1730, PROT_READ, MAP_PRIVATE, 7, 0) = 0x7f9330453000
close(7)                                = 0
open("/usr/share/locale-langpack/en.UTF-8/LC_MESSAGES/libc.mo", O_RDONLY) = -1 ENOENT (No such file or directory)
open("/usr/share/locale-langpack/en.utf8/LC_MESSAGES/libc.mo", O_RDONLY) = -1 ENOENT (No such file or directory)
open("/usr/share/locale-langpack/en/LC_MESSAGES/libc.mo", O_RDONLY) = -1 ENOENT (No such file or directory)
stat("/etc/localtime", {st_mode=S_IFREG|0644, st_size=3661, ...}) = 0
sendto(6, "<83>Aug 22 09:35:07 sudo: PAM [e"..., 129, MSG_NOSIGNAL, NULL, 0) = 129
stat("/etc/localtime", {st_mode=S_IFREG|0644, st_size=3661, ...}) = 0
sendto(6, "<83>Aug 22 09:35:07 sudo: PAM ad"..., 83, MSG_NOSIGNAL, NULL, 0) = 83
read(5, "", 4096)                       = 0
close(5)                                = 0
munmap(0x7f93305e1000, 4096)            = 0
read(4, "", 4096)                       = 0
close(4)                                = 0
munmap(0x7f93305e2000, 4096)            = 0
getuid()                                = 0
access("/var/run/utmpx", F_OK)          = -1 ENOENT (No such file or directory)
open("/var/run/utmp", O_RDWR|0x80000 /* O_??? */) = 4
lseek(4, 0, SEEK_SET)                   = 0
alarm(0)                                = 0
rt_sigaction(SIGALRM, {0x7f932fd75db0, [], SA_RESTORER, 0x7f932fc9c100}, {SIG_DFL}, 8) = 0
alarm(1)                                = 0
fcntl(4, F_SETLKW, {type=F_RDLCK, whence=SEEK_SET, start=0, len=0}) = 0
read(4, "\2\0\0\0\0\0\0\0~\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"..., 384) = 384
read(4, "\1\0\0\0002\0\0\0~\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"..., 384) = 384
read(4, "\6\0\0\0\35\21\0\0tty4\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"..., 384) = 384
read(4, "\6\0\0\0\36\21\0\0tty5\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"..., 384) = 384
read(4, "\6\0\0\0\"\21\0\0tty2\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"..., 384) = 384
read(4, "\6\0\0\0#\21\0\0tty3\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"..., 384) = 384
read(4, "\6\0\0\0%\21\0\0tty6\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"..., 384) = 384
read(4, "\6\0\0\0%\30\0\0tty1\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"..., 384) = 384
read(4, "\7\0\0\0,\31\0\0tty7\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"..., 384) = 384
read(4, "\10\0\0\0Z\32\0\0pts/0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"..., 384) = 384
read(4, "\7\0\0\0\215R\0\0pts/1\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"..., 384) = 384
read(4, "\7\0\0\0Z\32\0\0pts/2\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"..., 384) = 384
read(4, "\7\0\0\0Z\32\0\0pts/3\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"..., 384) = 384
read(4, "\7\0\0\0Z\32\0\0pts/4\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"..., 384) = 384
read(4, "\10\0\0\0\234\35\0\0pts/4\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"..., 384) = 384
read(4, "\7\0\0\0Z\32\0\0pts/5\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"..., 384) = 384
read(4, "\7\0\0\0Z\32\0\0pts/6\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"..., 384) = 384
read(4, "\10\0\0\0\263F\0\0pts/7\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"..., 384) = 384
read(4, "\7\0\0\0Z\32\0\0pts/7\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"..., 384) = 384
read(4, "\7\0\0\0Z\32\0\0pts/8\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"..., 384) = 384
read(4, "\10\0\0\0\0\0\0\0pts/9\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"..., 384) = 384
read(4, "\7\0\0\0Z\32\0\0pts/10\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"..., 384) = 384
fcntl(4, F_SETLKW, {type=F_UNLCK, whence=SEEK_SET, start=0, len=0}) = 0
alarm(0)                                = 1
rt_sigaction(SIGALRM, {SIG_DFL}, NULL, 8) = 0
close(4)                                = 0
getuid()                                = 0
stat("/etc/localtime", {st_mode=S_IFREG|0644, st_size=3661, ...}) = 0
sendto(6, "<86>Aug 22 09:35:07 sudo: pam_un"..., 101, MSG_NOSIGNAL, NULL, 0) = 101
stat("/home/instuser", 0x7fff385f56a0)  = -1 ENOENT (No such file or directory)
open("/usr/share/locale/en_GB.UTF-8/LC_MESSAGES/Linux-PAM.mo", O_RDONLY) = -1 ENOENT (No such file or directory)
open("/usr/share/locale/en_GB.utf8/LC_MESSAGES/Linux-PAM.mo", O_RDONLY) = -1 ENOENT (No such file or directory)
open("/usr/share/locale/en_GB/LC_MESSAGES/Linux-PAM.mo", O_RDONLY) = -1 ENOENT (No such file or directory)
open("/usr/share/locale/en.UTF-8/LC_MESSAGES/Linux-PAM.mo", O_RDONLY) = -1 ENOENT (No such file or directory)
open("/usr/share/locale/en.utf8/LC_MESSAGES/Linux-PAM.mo", O_RDONLY) = -1 ENOENT (No such file or directory)
open("/usr/share/locale/en/LC_MESSAGES/Linux-PAM.mo", O_RDONLY) = -1 ENOENT (No such file or directory)
open("/usr/share/locale-langpack/en_GB.UTF-8/LC_MESSAGES/Linux-PAM.mo", O_RDONLY) = -1 ENOENT (No such file or directory)
open("/usr/share/locale-langpack/en_GB.utf8/LC_MESSAGES/Linux-PAM.mo", O_RDONLY) = -1 ENOENT (No such file or directory)
open("/usr/share/locale-langpack/en_GB/LC_MESSAGES/Linux-PAM.mo", O_RDONLY) = 4
fstat(4, {st_mode=S_IFREG|0644, st_size=622, ...}) = 0
mmap(NULL, 622, PROT_READ, MAP_PRIVATE, 4, 0) = 0x7f93305e2000
close(4)                                = 0
open("/usr/share/locale-langpack/en.UTF-8/LC_MESSAGES/Linux-PAM.mo", O_RDONLY) = -1 ENOENT (No such file or directory)
open("/usr/share/locale-langpack/en.utf8/LC_MESSAGES/Linux-PAM.mo", O_RDONLY) = -1 ENOENT (No such file or directory)
open("/usr/share/locale-langpack/en/LC_MESSAGES/Linux-PAM.mo", O_RDONLY) = -1 ENOENT (No such file or directory)
--- SIGSEGV (Segmentation fault) @ 0 (0) ---
+++ killed by SIGSEGV +++
Process 24443 detached