From: Florian Weimer <fweimer@redhat.com>
Date: Mon, 15 Aug 2022 14:43:59 +0000 (+0200)
Subject: Linux: Terminate subprocess on late failure in tst-pidfd (bug 29485)
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e982657073c4db21459ffd9e17bc505b1d64b876;p=thirdparty%2Fglibc.git

Linux: Terminate subprocess on late failure in tst-pidfd (bug 29485)

Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit f82e05ebb295cadd35f7372f652c72264da810ad)
---

diff --git a/NEWS b/NEWS
index 15f3dd2cdb4..f8fb8db5108 100644
--- a/NEWS
+++ b/NEWS
@@ -10,6 +10,7 @@ Version 2.36.1
 The following bugs are resolved with this release:
 
   [29446] _dlopen now ignores dl_caller argument in static mode
+  [29485] Linux: Terminate subprocess on late failure in tst-pidfd
 
 
 Version 2.36
diff --git a/sysdeps/unix/sysv/linux/tst-pidfd.c b/sysdeps/unix/sysv/linux/tst-pidfd.c
index 037af22290a..5711d1c3129 100644
--- a/sysdeps/unix/sysv/linux/tst-pidfd.c
+++ b/sysdeps/unix/sysv/linux/tst-pidfd.c
@@ -147,8 +147,11 @@ do_test (void)
        may be denied if the process doesn't have CAP_SYS_PTRACE or
        if a LSM security_ptrace_access_check denies access.  */
     if (fd == -1 && errno == EPERM)
-      FAIL_UNSUPPORTED ("don't have permission to use pidfd_getfd on pidfd, "
-			"skipping test");
+      {
+	TEST_COMPARE (pidfd_send_signal (pidfd, SIGKILL, NULL, 0), 0);
+	FAIL_UNSUPPORTED ("don't have permission to use pidfd_getfd on pidfd, "
+			  "skipping test");
+      }
     TEST_VERIFY (fd > 0);
 
     char *path = xasprintf ("/proc/%d/fd/%d", pid, remote_fd);