This is a note to let you know that I've just added the patch titled SUNRPC: Fix a memory leak in the backchannel code to the 4.1-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: sunrpc-fix-a-memory-leak-in-the-backchannel-code.patch and it can be found in the queue-4.1 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. >From 88de6af24f2b48b06c514d3c3d0a8f22fafe30bd Mon Sep 17 00:00:00 2001 From: Trond Myklebust <trond.myklebust@xxxxxxxxxxxxxxx> Date: Mon, 1 Jun 2015 15:10:25 -0400 Subject: SUNRPC: Fix a memory leak in the backchannel code From: Trond Myklebust <trond.myklebust@xxxxxxxxxxxxxxx> commit 88de6af24f2b48b06c514d3c3d0a8f22fafe30bd upstream. req->rq_private_buf isn't initialised when xprt_setup_backchannel calls xprt_free_allocation. Fixes: fb7a0b9addbdb ("nfs41: New backchannel helper routines") Signed-off-by: Trond Myklebust <trond.myklebust@xxxxxxxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- net/sunrpc/backchannel_rqst.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/net/sunrpc/backchannel_rqst.c +++ b/net/sunrpc/backchannel_rqst.c @@ -60,7 +60,7 @@ static void xprt_free_allocation(struct dprintk("RPC: free allocations for req= %p\n", req); WARN_ON_ONCE(test_bit(RPC_BC_PA_IN_USE, &req->rq_bc_pa_state)); - xbufp = &req->rq_private_buf; + xbufp = &req->rq_rcv_buf; free_page((unsigned long)xbufp->head[0].iov_base); xbufp = &req->rq_snd_buf; free_page((unsigned long)xbufp->head[0].iov_base); Patches currently in stable-queue which might be from trond.myklebust@xxxxxxxxxxxxxxx are queue-4.1/nfs-increase-size-of-exchange_id-name-string-buffer.patch queue-4.1/pnfs-flexfiles-fix-the-reset-of-struct-pgio_header-when-resending.patch queue-4.1/pnfs-fix-a-memory-leak-when-attempted-pnfs-fails.patch queue-4.1/fixing-infinite-open-loop-in-4.0-stateid-recovery.patch queue-4.1/nfs-ensure-we-set-nfs_context_resend_writes-when-requeuing-writes.patch queue-4.1/sunrpc-fix-a-memory-leak-in-the-backchannel-code.patch queue-4.1/nfs-fix-size-of-nfsacl-setacl-operations.patch queue-4.1/nfs-always-update-creds-in-mirror-even-when-we-have-an-already-connected-ds.patch queue-4.1/nfs-fix-potential-credential-leak-in-ff_layout_update_mirror_cred.patch -- To unsubscribe from this list: send the line "unsubscribe stable" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html