This is a note to let you know that I've just added the patch titled xprtrdma: Fix regbuf data not freed in rpcrdma_req_create() to the 5.10-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: xprtrdma-fix-regbuf-data-not-freed-in-rpcrdma_req_cr.patch and it can be found in the queue-5.10 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. commit d4c377ba6b855f0b3e907682a9aa823622a97463 Author: Zhang Xiaoxu <zhangxiaoxu5@xxxxxxxxxx> Date: Sun Nov 20 15:34:29 2022 +0800 xprtrdma: Fix regbuf data not freed in rpcrdma_req_create() [ Upstream commit 9181f40fb2952fd59ecb75e7158620c9c669eee3 ] If rdma receive buffer allocate failed, should call rpcrdma_regbuf_free() to free the send buffer, otherwise, the buffer data will be leaked. Fixes: bb93a1ae2bf4 ("xprtrdma: Allocate req's regbufs at xprt create time") Signed-off-by: Zhang Xiaoxu <zhangxiaoxu5@xxxxxxxxxx> Signed-off-by: Trond Myklebust <trond.myklebust@xxxxxxxxxxxxxxx> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> diff --git a/net/sunrpc/xprtrdma/verbs.c b/net/sunrpc/xprtrdma/verbs.c index dcc1992b14d7..338b06de86d1 100644 --- a/net/sunrpc/xprtrdma/verbs.c +++ b/net/sunrpc/xprtrdma/verbs.c @@ -866,7 +866,7 @@ struct rpcrdma_req *rpcrdma_req_create(struct rpcrdma_xprt *r_xprt, size_t size, return req; out3: - kfree(req->rl_sendbuf); + rpcrdma_regbuf_free(req->rl_sendbuf); out2: kfree(req); out1: