linux-kernel - Re: [PATCH] scsi: mpt3sas: fix NULL pointer access in mpt3sas_transport_port

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Message-Id: <167841768711.2362238.13612858875249629020.b4-ty@oracle.com>
Date:   Thu,  9 Mar 2023 22:09:39 -0500
From:   "Martin K. Petersen" <martin.petersen@...cle.com>
To:     Sathya Prakash <sathya.prakash@...adcom.com>,
        Sreekanth Reddy <sreekanth.reddy@...adcom.com>,
        Suganath Prabu Subramani 
        <suganath-prabu.subramani@...adcom.com>,
        "James E . J . Bottomley" <jejb@...ux.ibm.com>,
        MPT-FusionLinux.pdl@...adcom.com, linux-scsi@...r.kernel.org,
        linux-kernel@...r.kernel.org, Wenchao Hao <haowenchao2@...wei.com>
Cc:     "Martin K . Petersen" <martin.petersen@...cle.com>,
        linfeilong@...wei.com
Subject: Re: [PATCH] scsi: mpt3sas: fix NULL pointer access in mpt3sas_transport_port_add()

On Sat, 25 Feb 2023 18:01:36 +0800, Wenchao Hao wrote:

> port is allocated by sas_port_alloc_num() and rphy is allocated by
> sas_end_device_alloc() or sas_expander_alloc() which may return NULL,
> so we need to check the rphy to avoid possible NULL pointer access.
> 
> If sas_rphy_add() called with failure rphy is set to NULL, we would
> access the rphy in next lines which would also result NULL pointer
> access.
> 
> [...]

Applied to 6.3/scsi-fixes, thanks!

[1/1] scsi: mpt3sas: fix NULL pointer access in mpt3sas_transport_port_add()
      https://git.kernel.org/mkp/scsi/c/d3c57724f156

-- 
Martin K. Petersen	Oracle Linux Engineering