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Fix error reporting (false negatives) in SGID tests

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And simplify the interface of support_capture_subprogram_self_sgid.

Use the existing framework for temporary directories (now with
mode 0700) and directory/file deletion.  Handle all execution
errors within support_capture_subprogram_self_sgid.  In particular,
this includes test failures because the invoked program did not
exit with exit status zero.  Existing tests that expect exit
status 42 are adjusted to use zero instead.

In addition, fix callers not to call exit (0) with test failures
pending (which may mask them, especially when running with --direct).

Fixes commit 35fc356fa3
("elf: Fix subprocess status handling for tst-dlopen-sgid (bug 32987)").

Reviewed-by: Carlos O'Donell <carlos@redhat.com>
This commit is contained in:
Florian Weimer
2025-05-22 14:36:37 +02:00
parent 4052d99ead
commit 3a3fb2ed83
6 changed files with 36 additions and 132 deletions
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9
stdlib/tst-secure-getenv.c
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@@ -57,13 +57,7 @@ do_test (void)
exit (1);
}
int status = support_capture_subprogram_self_sgid (MAGIC_ARGUMENT);
if (WEXITSTATUS (status) == EXIT_UNSUPPORTED)
return EXIT_UNSUPPORTED;
if (!WIFEXITED (status))
FAIL_EXIT1 ("Unexpected exit status %d from child process\n", status);
support_capture_subprogram_self_sgid (MAGIC_ARGUMENT);
return 0;
}
@@ -82,6 +76,7 @@ alternative_main (int argc, char **argv)
if (secure_getenv ("PATH") != NULL)
FAIL_EXIT (4, "PATH variable not filtered out\n");
support_record_failure_barrier ();
exit (EXIT_SUCCESS);
}
}