* [PATCH] xentop: fix potential memory leak
@ 2015-04-02 15:42 Charles Arnold
2015-04-02 15:56 ` Ian Campbell
0 siblings, 1 reply; 2+ messages in thread
From: Charles Arnold @ 2015-04-02 15:42 UTC (permalink / raw)
To: xen-devel; +Cc: IanCampbell, ian.campbell
On a read failure the qstats buffer is not freed.
Signed-off-by: Charles Arnold <carnold@suse.com>
diff --git a/tools/xenstat/libxenstat/src/xenstat_qmp.c b/tools/xenstat/libxenstat/src/xenstat_qmp.c
index c217b8e..2cb99e9 100644
--- a/tools/xenstat/libxenstat/src/xenstat_qmp.c
+++ b/tools/xenstat/libxenstat/src/xenstat_qmp.c
@@ -298,6 +298,7 @@ static int qmp_read(int qfd, unsigned char **qstats)
while ((n = poll(pfd, POLLIN, 10)) > 0) {
if (pfd[0].revents & POLLIN) {
if ((n = read(qfd, buf, sizeof(buf))) < 0) {
+ free(*qstats);
return 0;
}
ptr = realloc(*qstats, qsize+n+1);
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2015-04-02 15:42 [PATCH] xentop: fix potential memory leak Charles Arnold
2015-04-02 15:56 ` Ian Campbell
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