From: Leon Romanovsky <leonro@mellanox.com>
Date: Tue, 1 Aug 2017 06:41:35 +0000 (+0300)
Subject: RDMA/uverbs: Prevent leak of reserved field
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=68c76de3c2355927f22cd96f59a00fc7906d8777;p=pandora-kernel.git

RDMA/uverbs: Prevent leak of reserved field

commit f7a6cb7b38c6845b26aaa8bbdf519ff6e3090831 upstream.

initialize to zero the response structure to prevent
the leakage of "resp.reserved" field.

drivers/infiniband/core/uverbs_cmd.c:1178 ib_uverbs_resize_cq() warn:
	check that 'resp.reserved' doesn't leak information

Fixes: 33b9b3ee9709 ("IB: Add userspace support for resizing CQs")
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Reviewed-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
---

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