[PATCH 2/2] block: cpqarray: fix information leak to userland

[Vasiliy Kulikov]

Structure ida_pci_info_struct is copied to userland with some padding
fields unitialized.  It leads to leaking of stack memory.

Signed-off-by: Vasiliy Kulikov <segooon@xxxxxxxxx>
---
 drivers/block/cpqarray.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/drivers/block/cpqarray.c b/drivers/block/cpqarray.c
index 946dad4..8e0e6b4 100644
--- a/drivers/block/cpqarray.c
+++ b/drivers/block/cpqarray.c
@@ -1198,6 +1198,7 @@ out_passthru:
 		ida_pci_info_struct pciinfo;
 
 		if (!arg) return -EINVAL;
+		memset(&pciinfo, 0, sizeof(pciinfo));
 		pciinfo.bus = host->pci_dev->bus->number;
 		pciinfo.dev_fn = host->pci_dev->devfn;
 		pciinfo.board_id = host->board_id;
-- 
1.7.0.4

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