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Commit f7a6cb7b authored by Leon Romanovsky's avatar Leon Romanovsky Committed by Doug Ledford
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RDMA/uverbs: Prevent leak of reserved field 



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: 33b9b3ee ("IB: Add userspace support for resizing CQs")
Signed-off-by: default avatarLeon Romanovsky <leonro@mellanox.com>
Reviewed-by: default avatarDennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: default avatarDoug Ledford <dledford@redhat.com>
parent 5fff41e1

drivers/infiniband/core/uverbs_cmd.c

+1 −1
Original line number Diff line number Diff line
@@ -1153,7 +1153,7 @@ ssize_t ib_uverbs_resize_cq(struct ib_uverbs_file *file, 
			    int out_len)

{

	struct ib_uverbs_resize_cq	cmd;

	struct ib_uverbs_resize_cq_resp	resp;

	struct ib_uverbs_resize_cq_resp	resp = {};

	struct ib_udata                 udata;

	struct ib_cq			*cq;

	int				ret = -EINVAL;