virExec: fix bug in setting up child stderr/out with /dev/null

dec720aa · Daniel P. Berrange · Eric Blake · aca20efb · dec720aa
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src/util/util.c src/util/util.c +1 -1

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--- a/src/util/util.c
+++ b/src/util/util.c
@@ -463,7 +463,7 @@ __virExec(const char *const*argv,
    int childerr = -1;
    int tmpfd;
-    if ((null = open("/dev/null", O_RDONLY)) < 0) {
+    if ((null = open("/dev/null", O_RDWR)) < 0) {
        virReportSystemError(errno,
                             _("cannot open %s"),
                             "/dev/null");