execve("./qtbug-100174", ["./qtbug-100174"], 0x7ffccdfb0820 /* 32 vars */) = 0
brk(NULL)                               = 0x1502000
arch_prctl(0x3001 /* ARCH_??? */, 0x7ffe7b6176b0) = -1 EINVAL (Invalid argument)
access("/etc/ld.so.preload", R_OK)      = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/etc/ld.so.cache", O_RDONLY|O_CLOEXEC) = 3
fstat(3, {st_mode=S_IFREG|0644, st_size=33323, ...}) = 0
mmap(NULL, 33323, PROT_READ, MAP_PRIVATE, 3, 0) = 0x7f1fb0910000
close(3)                                = 0
openat(AT_FDCWD, "/lib64/libpthread.so.0", O_RDONLY|O_CLOEXEC) = 3
read(3, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\360n\0\0\0\0\0\0"..., 832) = 832
fstat(3, {st_mode=S_IFREG|0755, st_size=149976, ...}) = 0
mmap(NULL, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f1fb090e000
mmap(NULL, 2225344, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7f1fb04cc000
mprotect(0x7f1fb04e7000, 2093056, PROT_NONE) = 0
mmap(0x7f1fb06e6000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x1a000) = 0x7f1fb06e6000
mmap(0x7f1fb06e8000, 13504, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x7f1fb06e8000
close(3)                                = 0
openat(AT_FDCWD, "/lib64/libc.so.6", O_RDONLY|O_CLOEXEC) = 3
read(3, "\177ELF\2\1\1\3\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\260\255\3\0\0\0\0\0"..., 832) = 832
fstat(3, {st_mode=S_IFREG|0755, st_size=2088960, ...}) = 0
lseek(3, 808, SEEK_SET)                 = 808
read(3, "\4\0\0\0\20\0\0\0\5\0\0\0GNU\0\2\0\0\300\4\0\0\0\3\0\0\0\0\0\0\0", 32) = 32
mmap(NULL, 3950400, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7f1fb0107000
mprotect(0x7f1fb02c3000, 2093056, PROT_NONE) = 0
mmap(0x7f1fb04c2000, 24576, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x1bb000) = 0x7f1fb04c2000
mmap(0x7f1fb04c8000, 14144, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x7f1fb04c8000
close(3)                                = 0
mmap(NULL, 12288, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f1fb090b000
arch_prctl(ARCH_SET_FS, 0x7f1fb090b740) = 0
mprotect(0x7f1fb04c2000, 16384, PROT_READ) = 0
mprotect(0x7f1fb06e6000, 4096, PROT_READ) = 0
mprotect(0x603000, 4096, PROT_READ)     = 0
mprotect(0x7f1fb0919000, 4096, PROT_READ) = 0
munmap(0x7f1fb0910000, 33323)           = 0
set_tid_address(0x7f1fb090ba10)         = 1135
set_robust_list(0x7f1fb090ba20, 24)     = 0
rt_sigaction(SIGRTMIN, {sa_handler=0x7f1fb04d2970, sa_mask=[], sa_flags=SA_RESTORER|SA_SIGINFO, sa_restorer=0x7f1fb04dece0}, NULL, 8) = 0
rt_sigaction(SIGRT_1, {sa_handler=0x7f1fb04d2a00, sa_mask=[], sa_flags=SA_RESTORER|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f1fb04dece0}, NULL, 8) = 0
rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
fstat(1, {st_mode=S_IFREG|0664, st_size=2876, ...}) = 0
brk(NULL)                               = 0x1502000
brk(0x1523000)                          = 0x1523000
brk(NULL)                               = 0x1523000
write(1, "Starting test for https://bugrep"..., 63Starting test for https://bugreports.qt.io/browse/QTBUG-100174
) = 63
pipe2([3, 4], O_CLOEXEC)                = 0
waitid(P_PIDFD, 2147483647, NULL, WNOHANG|WEXITED, NULL) = -1 EINVAL (Invalid argument)
rt_sigaction(SIGCHLD, {sa_handler=0x4015ba, sa_mask=[], sa_flags=SA_RESTORER|SA_SIGINFO|SA_NOCLDSTOP, sa_restorer=0x7f1fb04dece0}, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0
rt_sigaction(SIGPIPE, {sa_handler=SIG_IGN, sa_mask=[], sa_flags=SA_RESTORER, sa_restorer=0x7f1fb04dece0}, NULL, 8) = 0
futex(0x604298, FUTEX_WAKE_PRIVATE, 2147483647) = 0
pipe2([5, 6], O_CLOEXEC)                = 0
fcntl(5, F_GETFL)                       = 0 (flags O_RDONLY)
fcntl(5, F_SETFL, O_RDONLY|O_NONBLOCK)  = 0
eventfd2(0, EFD_CLOEXEC)                = 7
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDstrace: Process 1136 attached
, child_tidptr=0x7f1fb090ba10) = 1136
[pid  1136] set_robust_list(0x7f1fb090ba20, 24) = 0
[pid  1136] read(7,  <unfinished ...>
[pid  1135] write(7, "*\0\0\0\0\0\0\0", 8) = 8
[pid  1136] <... read resumed>"*\0\0\0\0\0\0\0", 8) = 8
[pid  1136] close(7 <unfinished ...>
[pid  1135] close(7 <unfinished ...>
[pid  1136] <... close resumed>)        = 0
[pid  1136] close(5)                    = 0
[pid  1136] close(6)                    = 0
[pid  1136] close(3)                    = 0
[pid  1135] <... close resumed>)        = 0
[pid  1136] execve("/usr/bin/sleep", ["/usr/bin/sleep", "1s"], 0x7ffe7b6177f8 /* 32 vars */ <unfinished ...>
[pid  1135] close(4)                    = 0
[pid  1135] poll([{fd=5, events=POLLIN}, {fd=3, events=POLLIN}], 2, -1) = 1 ([{fd=3, revents=POLLHUP}])
strace: Process 1136 detached
read(3, "", 4)                          = 0
close(3)                                = 0
poll([{fd=5, events=POLLIN}], 1, -1)    = ? ERESTART_RESTARTBLOCK (Interrupted by signal)
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1136, si_uid=1000, si_status=0, si_utime=0, si_stime=0} ---
waitid(P_ALL, 0, {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1136, si_uid=1000, si_status=0, si_utime=0, si_stime=0}, WNOHANG|WEXITED|WNOWAIT, NULL) = 0
wait4(1136, [{WIFEXITED(s) && WEXITSTATUS(s) == 0}], WNOHANG, {ru_utime={tv_sec=0, tv_usec=2561}, ru_stime={tv_sec=0, tv_usec=0}, ...}) = 1136
write(6, "\1\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\1\n\0\0\0\0\0\0\0\0\0\0\0\0\0\0"..., 152) = 152
close(6)                                = 0
waitid(P_ALL, 0, 0x7ffe7b616fd0, WNOHANG|WEXITED|WNOWAIT, NULL) = -1 ECHILD (No child processes)
rt_sigreturn({mask=[]})                 = -1 EINTR (Interrupted system call)
dup(2)                                  = 3
fcntl(3, F_GETFL)                       = 0x8001 (flags O_WRONLY|O_LARGEFILE)
close(3)                                = 0
write(2, "poll: Interrupted system call\n", 30poll: Interrupted system call
) = 30
write(1, "Child is PID 1136, fd 5\nChild su"..., 51Child is PID 1136, fd 5
Child successfully started
) = 51
exit_group(2)                           = ?
+++ exited with 2 +++