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-rw-r--r--net/ceph/messenger.c10
1 files changed, 9 insertions, 1 deletions
diff --git a/net/ceph/messenger.c b/net/ceph/messenger.c
index 994192beda02..cb5b4e6733f0 100644
--- a/net/ceph/messenger.c
+++ b/net/ceph/messenger.c
@@ -2207,10 +2207,18 @@ static int read_partial_message(struct ceph_connection *con)
ret = ceph_con_in_msg_alloc(con, &skip);
if (ret < 0)
return ret;
+
+ BUG_ON(!con->in_msg ^ skip);
+ if (con->in_msg && data_len > con->in_msg->data_length) {
+ pr_warning("%s skipping long message (%u > %zd)\n",
+ __func__, data_len, con->in_msg->data_length);
+ ceph_msg_put(con->in_msg);
+ con->in_msg = NULL;
+ skip = 1;
+ }
if (skip) {
/* skip this message */
dout("alloc_msg said skip message\n");
- BUG_ON(con->in_msg);
con->in_base_pos = -front_len - middle_len - data_len -
sizeof(m->footer);
con->in_tag = CEPH_MSGR_TAG_READY;

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