SSHD calls the KI callback with no prompt after all prompts have been
issued. Just ignore those callbacks to avoid libvirt-java (and possibly
others) to crash while accessing invalid pointers.
---
src/rpc/virnetsshsession.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/src/rpc/virnetsshsession.c b/src/rpc/virnetsshsession.c
index 57119f9..e9516b8 100644
--- a/src/rpc/virnetsshsession.c
+++ b/src/rpc/virnetsshsession.c
@@ -217,6 +217,10 @@ virNetSSHKbIntCb(const char *name ATTRIBUTE_UNUSED,
priv->authCbErr = VIR_NET_SSH_AUTHCB_OK;
+ /* After all prompts, sshd calls us with 0 prompts: just ignore it */
+ if (num_prompts == 0)
+ return;
+
/* find credential type for asking passwords */
for (i = 0; i < priv->cred->ncredtype; i++) {
if (priv->cred->credtype[i] == VIR_CRED_PASSPHRASE ||
--
1.8.4.5
--
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