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Date: Mon, 15 Apr 2019 13:23:38 +0530 From: Potnuri Bharat Teja <bharat@...lsio.com> To: Colin King <colin.king@...onical.com> Cc: Doug Ledford <dledford@...hat.com>, Jason Gunthorpe <jgg@...pe.ca>, "linux-rdma@...r.kernel.org" <linux-rdma@...r.kernel.org>, "kernel-janitors@...r.kernel.org" <kernel-janitors@...r.kernel.org>, "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org> Subject: Re: [PATCH] RDMA/cxgb4: fix null pointer dereference on alloc_skb failure On Saturday, April 04/13/19, 2019 at 21:30:26 +0530, Colin King wrote: > From: Colin Ian King <colin.king@...onical.com> > > Currently if alloc_skb fails to allocate the skb a null skb is passed > to t4_set_arp_err_handler and this ends up dereferencing the null skb. > Avoid the null pointer dereference by checking for a null skb and > returning early. > > Addresses-Coverity: ("Dereference null return") > Fixes: b38a0ad8ec11 ("RDMA/cxgb4: Set arp error handler for PASS_ACCEPT_RPL messages") > Signed-off-by: Colin Ian King <colin.king@...onical.com> > --- > drivers/infiniband/hw/cxgb4/cm.c | 2 ++ > 1 file changed, 2 insertions(+) > Thanks, Acked-by: Potnuri Bharat Teja <bharat@...lsio.com>
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