[00007fa2c0d6126b] execve("../pc", ["../pc"], 0x7ffedb026200 /* 23 vars */) = 0
[00007f5deee70e20] arch_prctl(ARCH_SET_FS, 0x7f5deeeaab28) = 0
[00007f5deee3ad18] set_tid_address(0x7f5deeeaaf90) = 30427
[00007f5deee20dd7] brk(NULL)            = 0x564bcbcf5000
[00007f5deee20dfc] brk(0x564bcbcf7000)  = 0x564bcbcf7000
[00007f5deee549e4] mmap(0x564bcbcf5000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x564bcbcf5000
[00007f5deee19dc2] mprotect(0x7f5deeea7000, 4096, PROT_READ) = 0
[00007f5deee19dc2] mprotect(0x564bcbcf3000, 4096, PROT_READ) = 0
[00007f5deee54252] write(-1, 0x8, 16)   = -1 EBADF (Bad file descriptor)
[00007f5deee54c2e] munmap(0x564bcbcf1170, 0) = -1 EINVAL (Invalid argument)
[00007f5deee5ed09] rt_sigprocmask(SIG_BLOCK, ~[RTMIN RT_1 RT_2], [], 8) = 0
[00007f5deee5ece9] rt_sigprocmask(SIG_BLOCK, ~[], ~[KILL STOP RTMIN RT_1 RT_2], 8) = 0
[00007f5deee5b205] fork()               = 30431
[pid 30427] [00007f5deee5ed27] rt_sigprocmask(SIG_SETMASK, ~[KILL STOP RTMIN RT_1 RT_2],  <unfinished ...>
[pid 30431] [00007f5deee5b13b] set_tid_address(0x7f5deeeaaf90 <unfinished ...>
[pid 30427] [00007f5deee5ed27] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid 30431] [00007f5deee5b13b] <... set_tid_address resumed>) = 30431
[pid 30427] [00007f5deee5ed27] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid 30431] [00007f5deee5ed27] rt_sigprocmask(SIG_SETMASK, ~[KILL STOP RTMIN RT_1 RT_2],  <unfinished ...>
[pid 30427] [00007f5deee5ed27] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid 30431] [00007f5deee5ed27] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid 30427] [00007f5deee70e94] wait4(-1,  <unfinished ...>
[pid 30431] [00007f5deee5ed27] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid 30431] [00007f5deee3dade] prctl(PR_SET_DUMPABLE, SUID_DUMP_DISABLE) = 0
[pid 30431] [00007f5deee54c2e] munmap(0x564bcbcf0000, 12288) = 0
[pid 30431] [0000564bcbcf131a] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=0x564bcbcf131a} ---
[pid 30431] [????????????????] +++ killed by SIGSEGV +++
[00007f5deee70e94] <... wait4 resumed>[{WIFSIGNALED(s) && WTERMSIG(s) == SIGSEGV}], 0, NULL) = 30431
[00007f5deee70e94] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=30431, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=0} ---
[00007f5deee70e94] close(0)             = 0
[00007f5deee70e94] open("/proc/self/maps", O_RDONLY|O_LARGEFILE) = 0
[00007f5deee3de50] sendfile(1, 0, NULL, 4096) = -1 EINVAL (Invalid argument)
[00007f5deee3b49a] exit_group(0)        = ?
[????????????????] +++ exited with 0 +++
