[~]# perl
Segmentation fault (core dumped)
####
gdb perl core.4639
GNU gdb (GDB) CentOS (7.0.1-42.el5.centos.1)
Copyright (C) 2009 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law. Type "show copying"
and "show warranty" for details.
This GDB was configured as "x86_64-redhat-linux-gnu".
For bug reporting instructions, please see:
...
Reading symbols from /usr/local/bin/perl...(no debugging symbols found)...done.
[New Thread 4639]
Reading symbols from /lib64/libresolv.so.2...(no debugging symbols found)...done.
Loaded symbols for /lib64/libresolv.so.2
Reading symbols from /lib64/libnsl.so.1...(no debugging symbols found)...done.
Loaded symbols for /lib64/libnsl.so.1
Reading symbols from /lib64/libdl.so.2...(no debugging symbols found)...done.
Loaded symbols for /lib64/libdl.so.2
Reading symbols from /lib64/libm.so.6...(no debugging symbols found)...done.
Loaded symbols for /lib64/libm.so.6
Reading symbols from /lib64/libcrypt.so.1...(no debugging symbols found)...done.
Loaded symbols for /lib64/libcrypt.so.1
Reading symbols from /lib64/libutil.so.1...(no debugging symbols found)...done.
Loaded symbols for /lib64/libutil.so.1
Reading symbols from /lib64/libc.so.6...(no debugging symbols found)...done.
Loaded symbols for /lib64/libc.so.6
Reading symbols from /usr/local/lib/perl5/5.8.8/x86_64-linux/CORE/libperl.so...(no debugging symbols found)...done.
Loaded symbols for /usr/local/lib/perl5/5.8.8/x86_64-linux/CORE/libperl.so
Reading symbols from /lib64/ld-linux-x86-64.so.2...(no debugging symbols found)...done.
Loaded symbols for /lib64/ld-linux-x86-64.so.2
warning: no loadable sections found in added symbol-file system-supplied DSO at 0x7ffff0dfd000
Core was generated by `perl'.
Program terminated with signal 11, Segmentation fault.
#0 0x00002b7ac4367901 in S_hv_fetch_common () from /usr/local/lib/perl5/5.8.8/x86_64-linux/CORE/libperl.so
####
Nov 7 15:12:02 vps kernel: perl[5447]: segfault at 00007fff78ff5ff8 rip 00002acd1876d90e rsp 00007fff78ff6000 error 6
####
execve("/usr/local/bin/perl", ["perl"], [/* 31 vars */]) = 0
brk(0) = 0x1a1fb000
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x2b67b0d6a000
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x2b67b0d6b000
access("/etc/ld.so.preload", R_OK) = -1 ENOENT (No such file or directory)
open("/usr/local/lib/perl5/5.8.8/x86_64-linux/CORE/tls/x86_64/libresolv.so.2", O_RDONLY) = -1 ENOENT (No such file or directory)
stat("/usr/local/lib/perl5/5.8.8/x86_64-linux/CORE/tls/x86_64", 0x7fff9d796ff0) = -1 ENOENT (No such file or directory)
open("/usr/local/lib/perl5/5.8.8/x86_64-linux/CORE/tls/libresolv.so.2", O_RDONLY) = -1 ENOENT (No such file or directory)
stat("/usr/local/lib/perl5/5.8.8/x86_64-linux/CORE/tls", 0x7fff9d796ff0) = -1 ENOENT (No such file or directory)
open("/usr/local/lib/perl5/5.8.8/x86_64-linux/CORE/x86_64/libresolv.so.2", O_RDONLY) = -1 ENOENT (No such file or directory)
stat("/usr/local/lib/perl5/5.8.8/x86_64-linux/CORE/x86_64", 0x7fff9d796ff0) = -1 ENOENT (No such file or directory)
open("/usr/local/lib/perl5/5.8.8/x86_64-linux/CORE/libresolv.so.2", O_RDONLY) = -1 ENOENT (No such file or directory)
stat("/usr/local/lib/perl5/5.8.8/x86_64-linux/CORE", {st_mode=S_IFDIR|0755, st_size=4096, ...}) = 0
open("/etc/ld.so.cache", O_RDONLY) = 3
fstat(3, {st_mode=S_IFREG|0644, st_size=70607, ...}) = 0
mmap(NULL, 70607, PROT_READ, MAP_PRIVATE, 3, 0) = 0x2b67b0d6c000
close(3) = 0
open("/lib64/libresolv.so.2", O_RDONLY) = 3
read(3, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\0203\200\2415\0\0\0"..., 832) = 832
fstat(3, {st_mode=S_IFREG|0755, st_size=92816, ...}) = 0
mmap(0x35a1800000, 2181896, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x35a1800000
mprotect(0x35a1811000, 2097152, PROT_NONE) = 0
mmap(0x35a1a11000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x11000) = 0x35a1a11000
mmap(0x35a1a13000, 6920, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x35a1a13000
close(3) = 0
open("/usr/local/lib/perl5/5.8.8/x86_64-linux/CORE/libnsl.so.1", O_RDONLY) = -1 ENOENT (No such file or directory)
open("/lib64/libnsl.so.1", O_RDONLY) = 3
read(3, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\240@\300\2365\0\0\0"..., 832) = 832
fstat(3, {st_mode=S_IFREG|0755, st_size=114352, ...}) = 0
mmap(0x359ec00000, 2194096, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x359ec00000
mprotect(0x359ec15000, 2093056, PROT_NONE) = 0
mmap(0x359ee14000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x14000) = 0x359ee14000
mmap(0x359ee16000, 6832, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x359ee16000
close(3) = 0
open("/usr/local/lib/perl5/5.8.8/x86_64-linux/CORE/libdl.so.2", O_RDONLY) = -1 ENOENT (No such file or directory)
open("/lib64/libdl.so.2", O_RDONLY) = 3
read(3, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\20\16\0\2355\0\0\0"..., 832) = 832
fstat(3, {st_mode=S_IFREG|0755, st_size=23360, ...}) = 0
mmap(0x359d000000, 2109696, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x359d000000
mprotect(0x359d002000, 2097152, PROT_NONE) = 0
mmap(0x359d202000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x2000) = 0x359d202000
close(3) = 0
open("/usr/local/lib/perl5/5.8.8/x86_64-linux/CORE/libm.so.6", O_RDONLY) = -1 ENOENT (No such file or directory)
open("/lib64/libm.so.6", O_RDONLY) = 3
read(3, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0`>\200\2355\0\0\0"..., 832) = 832
fstat(3, {st_mode=S_IFREG|0755, st_size=614992, ...}) = 0
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x2b67b0d7e000
mmap(0x359d800000, 2629816, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x359d800000
mprotect(0x359d882000, 2093056, PROT_NONE) = 0
mmap(0x359da81000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x81000) = 0x359da81000
close(3) = 0
open("/usr/local/lib/perl5/5.8.8/x86_64-linux/CORE/libcrypt.so.1", O_RDONLY) = -1 ENOENT (No such file or directory)
open("/lib64/libcrypt.so.1", O_RDONLY) = 3
read(3, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\360\t\0\2375\0\0\0"..., 832) = 832
fstat(3, {st_mode=S_IFREG|0755, st_size=48600, ...}) = 0
mmap(0x359f000000, 2322880, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x359f000000
mprotect(0x359f009000, 2093056, PROT_NONE) = 0
mmap(0x359f208000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x8000) = 0x359f208000
mmap(0x359f20a000, 184768, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x359f20a000
close(3) = 0
open("/usr/local/lib/perl5/5.8.8/x86_64-linux/CORE/libutil.so.1", O_RDONLY) = -1 ENOENT (No such file or directory)
open("/lib64/libutil.so.1", O_RDONLY) = 3
read(3, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\200\16\300\2405\0\0\0"..., 832) = 832
fstat(3, {st_mode=S_IFREG|0755, st_size=18152, ...}) = 0
mmap(0x35a0c00000, 2105616, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x35a0c00000
mprotect(0x35a0c02000, 2093056, PROT_NONE) = 0
mmap(0x35a0e01000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x1000) = 0x35a0e01000
close(3) = 0
open("/usr/local/lib/perl5/5.8.8/x86_64-linux/CORE/libc.so.6", O_RDONLY) = -1 ENOENT (No such file or directory)
open("/lib64/libc.so.6", O_RDONLY) = 3
read(3, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\220\332\301\2345\0\0\0"..., 832) = 832
fstat(3, {st_mode=S_IFREG|0755, st_size=1718232, ...}) = 0
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x2b67b0d7f000
mmap(0x359cc00000, 3498328, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x359cc00000
mprotect(0x359cd4e000, 2093056, PROT_NONE) = 0
mmap(0x359cf4d000, 20480, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x14d000) = 0x359cf4d000
mmap(0x359cf52000, 16728, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x359cf52000
close(3) = 0
open("/usr/local/lib/perl5/5.8.8/x86_64-linux/CORE/libperl.so", O_RDONLY) = 3
read(3, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\20\375\2\0\0\0\0\0"..., 832) = 832
fstat(3, {st_mode=S_IFREG|0555, st_size=1128926, ...}) = 0
mmap(NULL, 3140288, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x2b67b0d80000
mprotect(0x2b67b0e73000, 2097152, PROT_NONE) = 0
mmap(0x2b67b1073000, 36864, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0xf3000) = 0x2b67b1073000
mmap(0x2b67b107c000, 10944, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x2b67b107c000
close(3) = 0
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x2b67b107f000
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x2b67b1080000
arch_prctl(ARCH_SET_FS, 0x2b67b107fc30) = 0
mprotect(0x359cf4d000, 16384, PROT_READ) = 0
mprotect(0x35a0e01000, 4096, PROT_READ) = 0
mprotect(0x359f208000, 4096, PROT_READ) = 0
mprotect(0x359da81000, 4096, PROT_READ) = 0
mprotect(0x359d202000, 4096, PROT_READ) = 0
mprotect(0x359ee14000, 4096, PROT_READ) = 0
mprotect(0x35a1a11000, 4096, PROT_READ) = 0
mprotect(0x359ca1c000, 4096, PROT_READ) = 0
munmap(0x2b67b0d6c000, 70607) = 0
getuid() = 503
geteuid() = 503
getgid() = 501
getegid() = 501
rt_sigaction(SIGFPE, {0x1, [FPE], SA_RESTORER|SA_RESTART, 0x359cc302f0}, {SIG_DFL, [], 0}, 8) = 0
brk(0) = 0x1a1fb000
brk(0x1a21c000) = 0x1a1fb000
mmap(NULL, 1048576, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x2b67b1081000
brk(0x1a207000) = 0x1a1fb000
brk(0x1a207000) = 0x1a1fb000
brk(0x1a207000) = 0x1a1fb000
brk(0x1a207000) = 0x1a1fb000
brk(0x1a207000) = 0x1a1fb000
brk(0x1a207000) = 0x1a1fb000
brk(0x1a207000) = 0x1a1fb000
brk(0x1a207000) = 0x1a1fb000
####
[~]# ulimit -a
core file size (blocks, -c) 200000
data seg size (kbytes, -d) 200000
scheduling priority (-e) 0
file size (blocks, -f) unlimited
pending signals (-i) 16384
max locked memory (kbytes, -l) 32
max memory size (kbytes, -m) 200000
open files (-n) 1024
pipe size (512 bytes, -p) 8
POSIX message queues (bytes, -q) 819200
real-time priority (-r) 0
stack size (kbytes, -s) 8192
cpu time (seconds, -t) unlimited
max user processes (-u) 35
virtual memory (kbytes, -v) 200000
file locks (-x) unlimited