linux-kernel - Re: [PATCH] RDMA/irdma: Fix potential NULL-ptr-dereference

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Message-Id: <167499707102.224018.1130031073935778804.b4-ty@kernel.org>
Date:   Sun, 29 Jan 2023 14:57:51 +0200
From:   Leon Romanovsky <leon@...nel.org>
To:     Mustafa Ismail <mustafa.ismail@...el.com>,
        Nikita Zhandarovich <n.zhandarovich@...tech.ru>
Cc:     Shiraz Saleem <shiraz.saleem@...el.com>,
        Jason Gunthorpe <jgg@...pe.ca>, linux-rdma@...r.kernel.org,
        linux-kernel@...r.kernel.org, lvc-project@...uxtesting.org
Subject: Re: [PATCH] RDMA/irdma: Fix potential NULL-ptr-dereference


On Thu, 26 Jan 2023 10:52:30 -0800, Nikita Zhandarovich wrote:
> in_dev_get() can return NULL which will cause a failure once idev is
> dereferenced in in_dev_for_each_ifa_rtnl(). This patch adds a
> check for NULL value in idev beforehand.
> 
> Found by Linux Verification Center (linuxtesting.org) with SVACE.
> 
> Fixes: 146b9756f14c ("RDMA/irdma: Add connection manager")
> Signed-off-by: Nikita Zhandarovich <n.zhandarovich@...tech.ru>
> 
> [...]

Applied, thanks!

[1/1] RDMA/irdma: Fix potential NULL-ptr-dereference
      https://git.kernel.org/rdma/rdma/c/5d9745cead1f12

Best regards,
-- 
Leon Romanovsky <leon@...nel.org>