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colo-compare: Fix memory leak in packet_enqueue()
The patch is to fix the "pkt" memory leak in packet_enqueue(). The allocated "pkt" needs to be freed if the colo compare primary or secondary queue is too big. Replace the error_report of full queue with a trace event. Signed-off-by: Derek Su <dereksu@qnap.com> Reviewed-by: Zhang Chen <chen.zhang@intel.com> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Signed-off-by: Zhang Chen <chen.zhang@intel.com> Signed-off-by: Jason Wang <jasowang@redhat.com>
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@ -146,6 +146,10 @@ enum {
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SECONDARY_IN,
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};
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static const char *colo_mode[] = {
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[PRIMARY_IN] = "primary",
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[SECONDARY_IN] = "secondary",
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};
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static int compare_chr_send(CompareState *s,
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uint8_t *buf,
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@ -242,6 +246,7 @@ static int packet_enqueue(CompareState *s, int mode, Connection **con)
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ConnectionKey key;
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Packet *pkt = NULL;
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Connection *conn;
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int ret;
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if (mode == PRIMARY_IN) {
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pkt = packet_new(s->pri_rs.buf,
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@ -270,16 +275,18 @@ static int packet_enqueue(CompareState *s, int mode, Connection **con)
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}
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if (mode == PRIMARY_IN) {
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if (!colo_insert_packet(&conn->primary_list, pkt, &conn->pack)) {
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error_report("colo compare primary queue size too big,"
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"drop packet");
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}
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ret = colo_insert_packet(&conn->primary_list, pkt, &conn->pack);
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} else {
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if (!colo_insert_packet(&conn->secondary_list, pkt, &conn->sack)) {
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error_report("colo compare secondary queue size too big,"
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"drop packet");
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}
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ret = colo_insert_packet(&conn->secondary_list, pkt, &conn->sack);
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}
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if (!ret) {
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trace_colo_compare_drop_packet(colo_mode[mode],
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"queue size too big, drop packet");
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packet_destroy(pkt, NULL);
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pkt = NULL;
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}
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*con = conn;
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return 0;
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@ -12,6 +12,7 @@ colo_proxy_main(const char *chr) ": %s"
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# colo-compare.c
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colo_compare_main(const char *chr) ": %s"
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colo_compare_drop_packet(const char *queue, const char *chr) ": %s: %s"
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colo_compare_udp_miscompare(const char *sta, int size) ": %s = %d"
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colo_compare_icmp_miscompare(const char *sta, int size) ": %s = %d"
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colo_compare_ip_info(int psize, const char *sta, const char *stb, int ssize, const char *stc, const char *std) "ppkt size = %d, ip_src = %s, ip_dst = %s, spkt size = %d, ip_src = %s, ip_dst = %s"
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