linux-hardening - Re: [PATCH][next] scsi: qla2xxx: Fix memcpy field-spanning write issue

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Message-ID: <yq1y0s5gicq.fsf@ca-mkp.ca.oracle.com>
Date: Wed, 30 Jul 2025 23:17:14 -0400
From: "Martin K. Petersen" <martin.petersen@...cle.com>
To: "Gustavo A. R. Silva" <gustavoars@...nel.org>
Cc: Chris Leech <cleech@...hat.com>, Bryan Gurney <bgurney@...hat.com>,
        Nilesh Javali <njavali@...vell.com>,
        "James E.J. Bottomley"
 <James.Bottomley@...senpartnership.com>,
        "Martin K. Petersen"
 <martin.petersen@...cle.com>,
        GR-QLogic-Storage-Upstream@...vell.com, linux-scsi@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-hardening@...r.kernel.org
Subject: Re: [PATCH][next] scsi: qla2xxx: Fix memcpy field-spanning write issue


Gustavo,

> +
> +	/* Must be last --ends in a flexible-array member. */
> +	TRAILING_OVERLAP(struct purex_item, default_item, iocb,
> +		uint8_t __default_item_iocb[QLA_DEFAULT_PAYLOAD_SIZE];
> +	);
>  } scsi_qla_host_t;

Looks OK to me but will have to wait for TRAILING_OVERLAP() to land.

-- 
Martin K. Petersen