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From: Eli Cohen <eli-LDSdmyG8hGV8YrgS2mwiifqBs+8SCbDb@public.gmane.org>
To: roland-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org,
	dledford-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org
Cc: linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	ogerlitz-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org,
	amirv-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org,
	Eli Cohen <eli-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
Subject: [PATCH for-next 3/6] IB/core: Avoid leakage from kernel to user space
Date: Sun, 14 Sep 2014 16:47:52 +0300	[thread overview]
Message-ID: <1410702475-28826-4-git-send-email-eli@mellanox.com> (raw)
In-Reply-To: <1410702475-28826-1-git-send-email-eli-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>

Clear the reserved field of struct ib_uverbs_async_event_desc which is 
copied to user space.

Signed-off-by: Eli Cohen <eli-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
---
 drivers/infiniband/core/uverbs_main.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/infiniband/core/uverbs_main.c b/drivers/infiniband/core/uverbs_main.c
index c73b22a257fe..b21af1eaf503 100644
--- a/drivers/infiniband/core/uverbs_main.c
+++ b/drivers/infiniband/core/uverbs_main.c
@@ -477,6 +477,7 @@ static void ib_uverbs_async_handler(struct ib_uverbs_file *file,
 
 	entry->desc.async.element    = element;
 	entry->desc.async.event_type = event;
+	entry->desc.async.reserved   = 0;
 	entry->counter               = counter;
 
 	list_add_tail(&entry->list, &file->async_file->event_list);
-- 
2.1.0

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  parent reply	other threads:[~2014-09-14 13:47 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-09-14 13:47 [PATCH for-next 0/6] minor mlx5 fixes for 3.18 Eli Cohen
     [not found] ` <1410702475-28826-1-git-send-email-eli-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
2014-09-14 13:47   ` [PATCH for-next 1/6] IB/mlx5: Clear umr resources after ib_unregister_device Eli Cohen
2014-09-14 13:47   ` [PATCH for-next 2/6] IB/mlx5: Improve debug prints in mlx5_ib_reg_user_mr Eli Cohen
2014-09-14 13:47   ` Eli Cohen [this message]
     [not found]     ` <1410702475-28826-4-git-send-email-eli-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
2014-09-15 13:45       ` [PATCH for-next 3/6] IB/core: Avoid leakage from kernel to user space Yann Droneaud
2015-03-27 12:42         ` [-stable] commit 377b513485fd ("IB/core: Avoid leakage from kernel to user space") Yann Droneaud
     [not found]           ` <1427460164.12712.8.camel-RlY5vtjFyJ3QT0dZR+AlfA@public.gmane.org>
2015-03-30 10:21             ` Luis Henriques
2015-03-31  9:49           ` Jiri Slaby
2015-05-04 23:04           ` Ben Hutchings
2015-06-15  3:31           ` Zefan Li
2015-06-15  3:31             ` Zefan Li
2014-09-14 13:47   ` [PATCH for-next 4/6] IB/mlx5: Fix possible array overflow Eli Cohen
2014-09-14 13:47   ` [PATCH for-next 5/6] IB/mlx5: Remove duplicate code from mlx5_set_path Eli Cohen
2014-09-14 13:47   ` [PATCH for-next 6/6] IB/mlx5: Modify to work with arbitrary page size Eli Cohen

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