Commit 9734ad57 authored Mar 15, 2019 by Trond Myklebust

SUNRPC: Fix a client regression when handling oversized replies



If the server sends a reply that is larger than the pre-allocated
buffer, then the current code may fail to register how much of
the stream that it has finished reading. This again can lead to
hangs.

Fixes: e92053a5 ("SUNRPC: Handle zero length fragments correctly")
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>

parent 400417b0

net/sunrpc/xprtsock.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -453,7 +453,7 @@ xs_read_xdr_buf(struct socket sock, struct msghdr msg, int flags,
		goto out;
		if (ret != want)
		goto out;
		} else
		} else if (offset < seek_init)
		offset = seek_init;
		ret = -EMSGSIZE;
		out: