lkml.org 
[lkml]   [2015]   [Jun]   [16]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    Patch in this message
    /
    From
    Subject[PATCH 3.4 153/172] IB/core: Avoid leakage from kernel to user space
    Date
    From: Eli Cohen <eli@dev.mellanox.co.il>

    3.4.108-rc1 review patch. If anyone has any objections, please let me know.

    ------------------


    commit 377b513485fd885dea1083a9a5430df65b35e048 upstream.

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

    Signed-off-by: Eli Cohen <eli@mellanox.com>
    Reviewed-by: Yann Droneaud <ydroneaud@opteya.com>
    Signed-off-by: Roland Dreier <roland@purestorage.com>
    Signed-off-by: Zefan Li <lizefan@huawei.com>
    ---
    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 604556d..5b51e4e 100644
    --- a/drivers/infiniband/core/uverbs_main.c
    +++ b/drivers/infiniband/core/uverbs_main.c
    @@ -451,6 +451,7 @@ 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);
    --
    1.9.1


    \
     
     \ /
      Last update: 2015-06-16 11:21    [W:4.022 / U:0.132 seconds]
    ©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site