Merge pull request #1686 from 0x0916/2017-07-08/close-parent-end-after-fork

utils: close parent end in child process after fork

Merge pull request #1686 from 0x0916/2017-07-08/close-parent-end-after-fork
4359b5a9 · Christian Brauner · GitHub · 996b20c4 · 6e670321 · 4359b5a9
Commit 4359b5a9 authored Jul 08, 2017 by Christian Brauner Committed by GitHub Jul 08, 2017
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utils.c src/lxc/utils.c +3 -0

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--- a/src/lxc/utils.c
+++ b/src/lxc/utils.c
@@ -490,6 +490,9 @@ extern struct lxc_popen_FILE *lxc_popen(const char *command)
 		/* child */
 		int child_std_end = STDOUT_FILENO;

+		close(parent_end);
+		parent_end = -1;
+
 		if (child_end != child_std_end) {
 			/* dup2() doesn't dup close-on-exec flag */
 			dup2(child_end, child_std_end);