Author: dchagin
Date: Tue May 21 18:03:58 2019
New Revision: 348056
URL: https://svnweb.freebsd.org/changeset/base/348056
Log:
Do not leak sa in linux_recvfrom() call if kern_recvit() fails.
MFC after: 1 week
Modified:
head/sys/compat/linux/linux_socket.c
Modified: head/sys/compat/linux/linux_socket.c
==============================================================================
--- head/sys/compat/linux/linux_socket.c Tue May 21 16:36:28 2019
(r348055)
+++ head/sys/compat/linux/linux_socket.c Tue May 21 18:03:58 2019
(r348056)
@@ -908,7 +908,7 @@ linux_recvfrom(struct thread *td, struct linux_recvfro
error = kern_recvit(td, args->s, &msg, UIO_SYSSPACE, NULL);
if (error != 0)
- return (error);
+ goto out;
if (PTRIN(args->from) != NULL) {
error = bsd_to_linux_sockaddr(sa, &lsa, msg.msg_namelen);
@@ -921,7 +921,7 @@ linux_recvfrom(struct thread *td, struct linux_recvfro
if (error == 0 && PTRIN(args->fromlen) != NULL)
error = copyout(&msg.msg_namelen, PTRIN(args->fromlen),
sizeof(msg.msg_namelen));
-
+out:
free(sa, M_SONAME);
return (error);
}
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