glibc/glibc-rh1817513-21.patch

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commit 86140c6223b5d14d773cf3050ffd0d14977c2c2d
Author: Joseph Myers <joseph@codesourcery.com>
Date: Wed Feb 13 13:34:24 2019 +0000
Avoid fall-through in test-container if execlp fails.
One of the implicit-fallthrough warnings from compiling glibc with
-Wextra appears to indicate an actual bug: the test-container code
could fall through inappropriately if execlp returns (which only
occurs on error). This patch adds appropriate error handling in this
case to avoid that fall-through.
Tested for x86_64.
* support/test-container.c (recursive_remove): Use FAIL_EXIT1 if
execlp returns.
diff --git a/support/test-container.c b/support/test-container.c
index 1d1aebeaf3412573..f0d9e3060e80bda5 100644
--- a/support/test-container.c
+++ b/support/test-container.c
@@ -361,6 +361,7 @@ recursive_remove (char *path)
case 0:
/* Child. */
execlp ("rm", "rm", "-rf", path, NULL);
+ FAIL_EXIT1 ("exec rm: %m");
default:
/* Parent. */
waitpid (child, &status, 0);