[PATCH] IB/core: memset attr variable to prevent garbage data
From: Devesh Sharma <hidden>
Date: 2014-09-26 10:19:40
Subsystem:
infiniband subsystem, the rest · Maintainers:
Jason Gunthorpe, Leon Romanovsky, Linus Torvalds
During create-ah from user land, uverbs is sending garbage data in attr.dmac and attr.vlan_id. This patch prevents the same. Signed-off-by: Devesh Sharma <redacted> --- drivers/infiniband/core/uverbs_cmd.c | 1 + 1 files changed, 1 insertions(+), 0 deletions(-)
diff --git a/drivers/infiniband/core/uverbs_cmd.c b/drivers/infiniband/core/uverbs_cmd.c
index 0600c50..0b1ce71 100644
--- a/drivers/infiniband/core/uverbs_cmd.c
+++ b/drivers/infiniband/core/uverbs_cmd.c@@ -2508,6 +2508,7 @@ ssize_t ib_uverbs_create_ah(struct ib_uverbs_file *file, goto err; } + memset(&attr, 0, sizeof(attr)); attr.dlid = cmd.attr.dlid; attr.sl = cmd.attr.sl; attr.src_path_bits = cmd.attr.src_path_bits;
--
1.7.1
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