[trem@chantry rack]$ strace ./crash 
execve("./crash", ["./crash"], [/* 69 vars */]) = 0
brk(0)                                  = 0x601000
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x2afb68c88000
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x2afb68c89000
access("/etc/ld.so.preload", R_OK)      = -1 ENOENT (No such file or directory)
open("/etc/ld.so.cache", O_RDONLY)      = 3
fstat(3, {st_mode=S_IFREG|0644, st_size=187398, ...}) = 0
mmap(NULL, 187398, PROT_READ, MAP_PRIVATE, 3, 0) = 0x2afb68c8a000
close(3)                                = 0
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\0\334\1\0\0\0\0\0"..., 832) = 832
fstat(3, {st_mode=S_IFREG|0755, st_size=1359104, ...}) = 0
mmap(NULL, 3465432, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x2afb68e89000
mprotect(0x2afb68fcf000, 2093056, PROT_NONE) = 0
mmap(0x2afb691ce000, 20480, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x145000) = 0x2afb691ce000
mmap(0x2afb691d3000, 16600, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x2afb691d3000
close(3)                                = 0
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x2afb691d8000
arch_prctl(ARCH_SET_FS, 0x2afb691d86f0) = 0
mprotect(0x2afb691ce000, 12288, PROT_READ) = 0
mprotect(0x2afb68e87000, 4096, PROT_READ) = 0
munmap(0x2afb68c8a000, 187398)          = 0
open("/dev/toto", O_RDWR)               = -1 ENOENT (No such file or directory)
fstat(1, {st_mode=S_IFCHR|0620, st_rdev=makedev(136, 2), ...}) = 0
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x2afb68c8a000
--- SIGSEGV (Segmentation fault) @ 0 (0) ---
+++ killed by SIGSEGV +++