[PATCH] libcody: Avoid double-free
Jonathan Wakely
jwakely@redhat.com
Thu Oct 21 13:27:14 GMT 2021
If the listen call fails then 'goto fail' will jump to that label and
use freeaddrinfo again. Set the pointer to null to prevent that.
libcody/ChangeLog:
* netserver.cc (ListenInet6): Set pointer to null after
deallocation.
---
libcody/netserver.cc | 1 +
1 file changed, 1 insertion(+)
diff --git a/libcody/netserver.cc b/libcody/netserver.cc
index 30202c5106a..0499b5790b4 100644
--- a/libcody/netserver.cc
+++ b/libcody/netserver.cc
@@ -140,6 +140,7 @@ int ListenInet6 (char const **e, char const *name, int port, unsigned backlog)
listen:;
freeaddrinfo (addrs);
+ addrs = nullptr;
if (listen (fd, backlog ? backlog : 17) < 0)
{
--
2.31.1
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