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[Qemu-devel] [PATCH for-3.2 09/13] slirp: fix slirp_add_exec() leaks


From: Marc-André Lureau
Subject: [Qemu-devel] [PATCH for-3.2 09/13] slirp: fix slirp_add_exec() leaks
Date: Sat, 10 Nov 2018 17:45:44 +0400

Free the list elements allocated in add_exec().

Signed-off-by: Marc-André Lureau <address@hidden>
---
 slirp/misc.h  | 2 +-
 slirp/slirp.c | 8 ++++++++
 2 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/slirp/misc.h b/slirp/misc.h
index 94829722cd..0bc5e74bc5 100644
--- a/slirp/misc.h
+++ b/slirp/misc.h
@@ -12,7 +12,7 @@ struct ex_list {
        void *ex_chardev;
        struct in_addr ex_addr;         /* Server address */
        int ex_fport;                   /* Port to telnet to */
-       const char *ex_exec;            /* Command line of what to exec */
+       char *ex_exec;                  /* Command line of what to exec */
        struct ex_list *ex_next;
 };
 
diff --git a/slirp/slirp.c b/slirp/slirp.c
index d6623a2bbf..29fe4702cc 100644
--- a/slirp/slirp.c
+++ b/slirp/slirp.c
@@ -342,6 +342,14 @@ Slirp *slirp_init(int restricted, bool in_enabled, struct 
in_addr vnetwork,
 
 void slirp_cleanup(Slirp *slirp)
 {
+    struct ex_list *e, *next;
+
+    for (e = slirp->exec_list; e; e = next) {
+        next = e->ex_next;
+        g_free(e->ex_exec);
+        g_free(e);
+    }
+
     QTAILQ_REMOVE(&slirp_instances, slirp, entry);
 
     unregister_savevm(NULL, "slirp", slirp);
-- 
2.19.1.708.g4ede3d42df




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