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Date: Mon, 10 Jan 2022 17:04:39 -0500 From: "Martin K. Petersen" <martin.petersen@...cle.com> To: Kees Cook <keescook@...omium.org>, Kashyap Desai <kashyap.desai@...adcom.com> Cc: "Martin K . Petersen" <martin.petersen@...cle.com>, linux-scsi@...r.kernel.org, Sumit Saxena <sumit.saxena@...adcom.com>, "James E.J. Bottomley" <jejb@...ux.ibm.com>, linux-hardening@...r.kernel.org, Shivasharan S <shivasharan.srikanteshwara@...adcom.com>, megaraidlinux.pdl@...adcom.com, linux-kernel@...r.kernel.org Subject: Re: [PATCH][RESEND] scsi: megaraid: Avoid mismatched storage type sizes On Wed, 5 Jan 2022 09:36:33 -0800, Kees Cook wrote: > Remove needless use of mbox_t, replacing with just struct > mbox_out. Silences compiler warnings under a -Warray-bounds build: > > drivers/scsi/megaraid.c: In function 'megaraid_probe_one': > drivers/scsi/megaraid.c:3615:30: error: array subscript 'mbox_t[0]' is partly outside array bounds of 'unsigned char[15]' [-Werror=array-bounds] > 3615 | mbox->m_out.xferaddr = (u32)adapter->buf_dma_handle; > | ~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ > drivers/scsi/megaraid.c:3599:23: note: while referencing 'raw_mbox' > 3599 | unsigned char raw_mbox[sizeof(struct mbox_out)]; > | ^~~~~~~~ > > [...] Applied to 5.17/scsi-queue, thanks! [1/1] scsi: megaraid: Avoid mismatched storage type sizes https://git.kernel.org/mkp/scsi/c/315d049ad195 -- Martin K. Petersen Oracle Linux Engineering
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