[0000ffff7fe0888c] execve("../pc", ["../pc"], 0xffffdb0a7e00 /* 23 vars */) = 0
[0000ffffb75ae7e0] brk(NULL)            = 0xaaaab8f41000
[0000ffffb75b0970] mmap(NULL, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0xffffb75cd000
[0000ffffb75b0418] faccessat(AT_FDCWD, "/etc/ld.so.preload", R_OK) = -1 ENOENT (No such file or directory)
[0000ffffb75b0764] openat(AT_FDCWD, "/etc/ld.so.cache", O_RDONLY|O_CLOEXEC) = 3
[0000ffffb75b0450] fstat(3, {st_mode=S_IFREG|0644, st_size=2062, ...}) = 0
[0000ffffb75b0970] mmap(NULL, 2062, PROT_READ, MAP_PRIVATE, 3, 0) = 0xffffb75cc000
[0000ffffb75b05e0] close(3)             = 0
[0000ffffb75b0764] openat(AT_FDCWD, "/lib/libc.so.6", O_RDONLY|O_CLOEXEC) = 3
[0000ffffb75b0810] read(3, "\177ELF\2\1\1\3\0\0\0\0\0\0\0\0\3\0\267\0\1\0\0\0\320\"\2\0\0\0\0\0"..., 832) = 832
[0000ffffb75b0450] fstat(3, {st_mode=S_IFREG|0755, st_size=1651048, ...}) = 0
[0000ffffb75b0970] mmap(NULL, 1826848, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_DENYWRITE, -1, 0) = 0xffffb73d6000
[0000ffffb75b0970] mmap(0xffffb73e0000, 1761312, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0) = 0xffffb73e0000
[0000ffffb75b0a0c] munmap(0xffffb73d6000, 40960) = 0
[0000ffffb75b0a0c] munmap(0xffffb758f000, 20512) = 0
[0000ffffb75b09cc] mprotect(0xffffb7568000, 86016, PROT_NONE) = 0
[0000ffffb75b0970] mmap(0xffffb757d000, 20480, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x18d000) = 0xffffb757d000
[0000ffffb75b0970] mmap(0xffffb7582000, 49184, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0xffffb7582000
[0000ffffb75b05e0] close(3)             = 0
[0000ffffb75a4790] set_tid_address(0xffffb75cdf10) = 12652
[0000ffffb75a47cc] set_robust_list(0xffffb75cdf20, 24) = 0
[0000ffffb75a486c] rseq(0xffffb75ce600, 0x20, 0, 0xd428bc00) = 0
[0000ffffb75b09cc] mprotect(0xffffb757d000, 12288, PROT_READ) = 0
[0000ffffb75b09cc] mprotect(0xaaaab8f3f000, 4096, PROT_READ) = 0
[0000ffffb75b09cc] mprotect(0xffffb75d3000, 8192, PROT_READ) = 0
[0000ffffb74bb4ec] prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
[0000ffffb75b0a0c] munmap(0xffffb75cc000, 2062) = 0
[0000ffffb74c1128] write(-1, 0x8, 16)   = -1 EBADF (Bad file descriptor)
[0000ffffb74bfe0c] munmap(0xaaaab8f20d80, 0) = -1 EINVAL (Invalid argument)
[0000ffffb74169a0] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[0000ffffb749805c] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0xffffb75cdf10) = 12661
[pid 12652] [0000ffffb7416a1c] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid 12652] [0000ffffb745beb0] wait4(-1,  <unfinished ...>
[pid 12661] [0000ffffb7498084] set_robust_list(0xffffb75cdf20, 24) = 0
[pid 12661] [0000ffffb7416a1c] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid 12661] [0000ffffb74c380c] prctl(PR_SET_DUMPABLE, SUID_DUMP_DISABLE) = 0
[pid 12661] [0000ffffb74bfe0c] munmap(0xaaaab8f20000, 8192) = 0
[pid 12661] [0000aaaab8f20f00] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=0xaaaab8f20f00} ---
[pid 12661] [????????????????] +++ killed by SIGSEGV +++
[0000ffffb745beb0] <... wait4 resumed>[{WIFSIGNALED(s) && WTERMSIG(s) == SIGSEGV}], 0, NULL) = 12661
[0000ffffb745beb0] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=12661, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=0} ---
[0000ffffb745beb0] close(0)             = 0
[0000ffffb745beb0] openat(AT_FDCWD, "/proc/self/maps", O_RDONLY) = 0
[0000ffffb74ba3f4] sendfile(1, 0, NULL, 4096) = -1 EINVAL (Invalid argument)
[0000ffffb7498100] exit_group(0)        = ?
[????????????????] +++ exited with 0 +++
