RDMA/ucma: Check that device exists prior to accessing it

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commit c8d3bcbfc5 upstream.

Ensure that device exists prior to accessing its properties.

Reported-by: <syzbot+71655d44855ac3e76366@syzkaller.appspotmail.com>
Fixes: 7521663857 ("RDMA/cma: Export rdma cm interface to userspace")
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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Leon Romanovsky 2018-03-25 11:39:05 +03:00 • committed by Greg Kroah-Hartman

parent 4dba68fd1d

commit 4fbf77d7a9

1 changed files with 4 additions and 2 deletions

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drivers/infiniband/core/ucma.c

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