[0000007fabc5c6cc] execve("../pc", ["../pc"], 0x7fc94dcf60 /* 23 vars */) = 0
[0000007f94c342a0] brk(NULL)            = 0x555b841000
[0000007f94c35640] mmap(NULL, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f94c53000
[0000007f94c350d8] faccessat(AT_FDCWD, "/etc/ld.so.preload", R_OK) = -1 ENOENT (No such file or directory)
[0000007f94c3543c] openat(AT_FDCWD, "/etc/ld.so.cache", O_RDONLY|O_CLOEXEC) = 3
[0000007f94c35110] fstat(3, {st_mode=S_IFREG|0644, st_size=2003, ...}) = 0
[0000007f94c35640] mmap(NULL, 2003, PROT_READ, MAP_PRIVATE, 3, 0) = 0x7f94c52000
[0000007f94c352a0] close(3)             = 0
[0000007f94c3543c] openat(AT_FDCWD, "/lib/libc.so.6", O_RDONLY|O_CLOEXEC) = 3
[0000007f94c354e0] read(3, "\177ELF\2\1\1\3\0\0\0\0\0\0\0\0\3\0\267\0\1\0\0\0\200\206\2\0\0\0\0\0"..., 832) = 832
[0000007f94c35110] fstat(3, {st_mode=S_IFREG|0755, st_size=1716504, ...}) = 0
[0000007f94c35640] mmap(NULL, 1892224, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_DENYWRITE, -1, 0) = 0x7f94a4c000
[0000007f94c35640] mmap(0x7f94a50000, 1826688, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0) = 0x7f94a50000
[0000007f94c356cc] munmap(0x7f94a4c000, 16384) = 0
[0000007f94c356cc] munmap(0x7f94c0e000, 49024) = 0
[0000007f94c3568c] mprotect(0x7f94be1000, 114688, PROT_NONE) = 0
[0000007f94c35640] mmap(0x7f94bfd000, 20480, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x19d000) = 0x7f94bfd000
[0000007f94c35640] mmap(0x7f94c02000, 49024, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x7f94c02000
[0000007f94c352a0] close(3)             = 0
[0000007f94c2a750] set_tid_address(0x7f94c53ed0) = 3629
[0000007f94c2a790] set_robust_list(0x7f94c53ee0, 24) = 0
[0000007f94c2a7c4] rseq(0x7f94c54520, 0x20, 0, 0xd428bc00) = 0
[0000007f94c3568c] mprotect(0x7f94bfd000, 12288, PROT_READ) = 0
[0000007f94c3568c] mprotect(0x555b83f000, 4096, PROT_READ) = 0
[0000007f94c3568c] mprotect(0x7f94c58000, 8192, PROT_READ) = 0
[0000007f94b300bc] prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
[0000007f94c356cc] munmap(0x7f94c52000, 2003) = 0
[0000007f94b36568] write(-1, 0x8, 16)   = -1 EBADF (Bad file descriptor)
[0000007f94b34c4c] munmap(0x555b820cc0, 0) = -1 EINVAL (Invalid argument)
[0000007f94b0becc] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x7f94c53ed0) = 3643
[pid  3629] [0000007f94b25ee8] wait4(-1,  <unfinished ...>
[pid  3643] [0000007f94b0bef0] set_robust_list(0x7f94c53ee0, 24) = 0
[pid  3643] [0000007f94b38e64] prctl(PR_SET_DUMPABLE, SUID_DUMP_DISABLE) = 0
[pid  3643] [0000007f94b34c4c] munmap(0x555b820000, 8192) = 0
[pid  3643] [000000555b820e94] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=0x555b820e94} ---
[pid  3643] [????????????????] +++ killed by SIGSEGV +++
[0000007f94b25ee8] <... wait4 resumed>[{WIFSIGNALED(s) && WTERMSIG(s) == SIGSEGV}], 0, NULL) = 3643
[0000007f94b25ee8] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=3643, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=1 /* 0.01 s */} ---
[0000007f94b2a360] close(0)             = 0
[0000007f94b2e0f4] openat(AT_FDCWD, "/proc/self/maps", O_RDONLY) = 0
[0000007f94b2ec74] sendfile(1, 0, NULL, 4096) = -1 EINVAL (Invalid argument)
[0000007f94b0bf40] exit_group(0)        = ?
[????????????????] +++ exited with 0 +++