[0000ffff93cdbd24] execve("../pc", ["../pc"], 0xffffe8b23370 /* 23 vars */) = 0
[0000ffffa638fbf4] set_tid_address(0xffffa6447e88) = 16706
[0000ffffa639b068] brk(NULL)            = 0xaaaab3c61000
[0000ffffa639b088] brk(0xaaaab3c63000)  = 0xaaaab3c63000
[0000ffffa63b2b88] mmap(0xaaaab3c61000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0xaaaab3c61000
[0000ffffa63eaf24] mprotect(0xffffa6444000, 4096, PROT_READ) = 0
[0000ffffa63eaf24] mprotect(0xaaaab3c5f000, 4096, PROT_READ) = 0
[0000ffffa63b1d1c] write(-1, 0x8, 16)   = -1 EBADF (Bad file descriptor)
[0000ffffa63b2e2c] munmap(0xaaaab3c40bb0, 0) = -1 EINVAL (Invalid argument)
[0000ffffa63ca7a0] rt_sigprocmask(SIG_BLOCK, ~[RTMIN RT_1 RT_2], [], 8) = 0
[0000ffffa63ca770] rt_sigprocmask(SIG_BLOCK, ~[], ~[KILL STOP RTMIN RT_1 RT_2], 8) = 0
[0000ffffa63bf7d0] clone(child_stack=NULL, flags=SIGCHLD) = 16711
[pid 16706] [0000ffffa63ca7cc] rt_sigprocmask(SIG_SETMASK, ~[KILL STOP RTMIN RT_1 RT_2],  <unfinished ...>
[pid 16711] [0000ffffa63bf708] set_tid_address(0xffffa6447e88 <unfinished ...>
[pid 16706] [0000ffffa63ca7cc] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid 16706] [0000ffffa63ca7cc] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid 16711] [0000ffffa63bf708] <... set_tid_address resumed>) = 16711
[pid 16706] [0000ffffa63ca7cc] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid 16706] [0000ffffa63f2ddc] wait4(-1,  <unfinished ...>
[pid 16711] [0000ffffa63ca7cc] rt_sigprocmask(SIG_SETMASK, ~[KILL STOP RTMIN RT_1 RT_2], NULL, 8) = 0
[pid 16711] [0000ffffa63ca7cc] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid 16711] [0000ffffa6395644] prctl(PR_SET_DUMPABLE, SUID_DUMP_DISABLE) = 0
[pid 16711] [0000ffffa63b2e2c] munmap(0xaaaab3c40000, 8192) = 0
[pid 16711] [0000aaaab3c40d84] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=0xaaaab3c40d84} ---
[pid 16711] [????????????????] +++ killed by SIGSEGV +++
[0000ffffa63f2ddc] <... wait4 resumed>[{WIFSIGNALED(s) && WTERMSIG(s) == SIGSEGV}], 0, NULL) = 16711
[0000ffffa63f2ddc] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=16711, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=0} ---
[0000ffffa63f2ddc] close(0)             = 0
[0000ffffa63f2ddc] openat(AT_FDCWD, "/proc/self/maps", O_RDONLY|O_LARGEFILE) = 0
[0000ffffa63959f4] sendfile(1, 0, NULL, 4096) = -1 EINVAL (Invalid argument)
[0000ffffa6390754] exit_group(0)        = ?
[????????????????] +++ exited with 0 +++
