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gbacktrace: Fix fcntl command arguments not being checked

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This commit is contained in:
Egor Bychin 2021-10-11 14:08:34 +03:00
parent b32727d43d
commit e9adcd8f7f
1 changed files with 5 additions and 1 deletions
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6
glib/gbacktrace.c
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@ -340,7 +340,11 @@ stack_trace (const char * const *args)
/* Save stderr for printing failure below */
int old_err = dup (2);
if (old_err != -1)
fcntl (old_err, F_SETFD, fcntl (old_err, F_GETFD) | FD_CLOEXEC);
{
int getfd = fcntl (old_err, F_GETFD);
if (getfd != -1)
(void) fcntl (old_err, F_SETFD, getfd | FD_CLOEXEC);
}
close (0); dup (in_fd[0]); /* set the stdin to the in pipe */
close (1); dup (out_fd[1]); /* set the stdout to the out pipe */