Re: BUG: NULL pointer dereference at ib_uverbs_comp_handler+0x20

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On Tue, Aug 01, 2017 at 12:32:57PM -0600, Logan Gunthorpe wrote:
>  Couldn't create rdma QP - Invalid argument
> Unable to create QP.
> Failed to create QP.

Failing to create a QP makes me wonder if you have have this patch?

 Subject: [PATCH v2 1/2] RDMA/uverbs: Fix the check for port number

 The port number is only valid if IB_QP_PORT is set in the mask.
 So only check port number if it is valid to prevent modify_qp from
 failing due to an invalid port number.

 Fixes: 5ecce4c9b17b("Check port number supplied by user verbs cmds")
 Cc: <stable@xxxxxxxxxxxxxxx> # v2.6.14+
 Reviewed-by: Steve Wise <swise@xxxxxxxxxxxxxxxxxxxxx>
 Signed-off-by: Mustafa Ismail <mustafa.ismail@xxxxxxxxx>

Jason
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