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3531. [bug] win32: A uninitialized value could be returned on out

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of memory. [RT #32960]
This commit is contained in:
Mark Andrews 2013-03-22 09:21:30 +11:00
parent ee2a7c7bf6
commit c82da2167d
3 changed files with 13 additions and 12 deletions
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3
CHANGES
View File

@ -1,3 +1,6 @@
3531. [bug] win32: A uninitialized value could be returned on out
of memory. [RT #32960]
3530. [contrib] Better RTT tracking in queryperf. [RT #30128]
3529. [func] Named now listens on both IPv4 and IPv6 interfaces

8
lib/isc/unix/socket.c
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@ -2104,7 +2104,7 @@ allocate_socket(isc__socketmgr_t *manager, isc_sockettype_t type,
sock->sendcmsgbuf = NULL;
/*
* set up cmsg buffers
* Set up cmsg buffers.
*/
cmsgbuflen = 0;
#if defined(USE_CMSG) && defined(ISC_PLATFORM_HAVEIN6PKTINFO)
@ -2146,7 +2146,7 @@ allocate_socket(isc__socketmgr_t *manager, isc_sockettype_t type,
sock->tag = NULL;
/*
* set up list of readers and writers to be initially empty
* Set up list of readers and writers to be initially empty.
*/
ISC_LIST_INIT(sock->recv_list);
ISC_LIST_INIT(sock->send_list);
@ -2161,7 +2161,7 @@ allocate_socket(isc__socketmgr_t *manager, isc_sockettype_t type,
sock->bound = 0;
/*
* initialize the lock
* Initialize the lock.
*/
result = isc_mutex_init(&sock->lock);
if (result != ISC_R_SUCCESS) {
@ -2171,7 +2171,7 @@ allocate_socket(isc__socketmgr_t *manager, isc_sockettype_t type,
}
/*
* Initialize readable and writable events
* Initialize readable and writable events.
*/
ISC_EVENT_INIT(&sock->readable_ev, sizeof(intev_t),
ISC_EVENTATTR_NOPURGE, NULL, ISC_SOCKEVENT_INTR,

14
lib/isc/win32/socket.c
View File

@ -1466,7 +1466,7 @@ allocate_socket(isc_socketmgr_t *manager, isc_sockettype_t type,
ISC_LINK_INIT(sock, link);
/*
* set up list of readers and writers to be initially empty
* Set up list of readers and writers to be initially empty.
*/
ISC_LIST_INIT(sock->recv_list);
ISC_LIST_INIT(sock->send_list);
@ -1489,20 +1489,16 @@ allocate_socket(isc_socketmgr_t *manager, isc_sockettype_t type,
sock->recvbuf.remaining = 0;
sock->recvbuf.base = isc_mem_get(manager->mctx, sock->recvbuf.len); // max buffer size
if (sock->recvbuf.base == NULL) {
sock->magic = 0;
result = ISC_R_NOMEMORY;
goto error;
}
/*
* initialize the lock
* Initialize the lock.
*/
result = isc_mutex_init(&sock->lock);
if (result != ISC_R_SUCCESS) {
sock->magic = 0;
isc_mem_put(manager->mctx, sock->recvbuf.base, sock->recvbuf.len);
sock->recvbuf.base = NULL;
if (result != ISC_R_SUCCESS)
goto error;
}
socket_log(__LINE__, sock, NULL, EVENT, NULL, 0, 0,
"allocated");
@ -1513,6 +1509,8 @@ allocate_socket(isc_socketmgr_t *manager, isc_sockettype_t type,
return (ISC_R_SUCCESS);
error:
if (sock->recvbuf.base != NULL)
isc_mem_put(manager->mctx, sock->recvbuf.base, sock->recvbuf.len);
isc_mem_put(manager->mctx, sock, sizeof(*sock));
return (result);