A segmentation fault was triggered when i try to abort a postcopy + rdma migration.
since rdma_ack_cm_event releases a uninitialized cm_event in thise case. like below: 2496 ret = rdma_get_cm_event(rdma->channel, &cm_event); 2497 if (ret) { 2498 perror("rdma_get_cm_event after rdma_connect"); 2499 ERROR(errp, "connecting to destination!"); 2500 rdma_ack_cm_event(cm_event); <<<< cause segmentation fault 2501 goto err_rdma_source_connect; 2502 } Signed-off-by: Li Zhijian <lizhij...@cn.fujitsu.com> --- migration/rdma.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/migration/rdma.c b/migration/rdma.c index 00eac34232..2dadb62aed 100644 --- a/migration/rdma.c +++ b/migration/rdma.c @@ -2466,7 +2466,7 @@ static int qemu_rdma_connect(RDMAContext *rdma, Error **errp) .private_data = &cap, .private_data_len = sizeof(cap), }; - struct rdma_cm_event *cm_event; + struct rdma_cm_event *cm_event = NULL; int ret; /* -- 2.30.2