Re: [PATCH][next] scsi: ufs: Fix out-of-bounds warnings in ufshcd_exec_raw_upiu_cmd

From: Martin K. Petersen
Date: Tue Apr 13 2021 - 01:48:55 EST


On Wed, 31 Mar 2021 17:43:38 -0500, Gustavo A. R. Silva wrote:

> Fix the following out-of-bounds warnings by enclosing
> some structure members into new structure objects upiu_req
> and upiu_rsp:
>
> include/linux/fortify-string.h:20:29: warning: '__builtin_memcpy' offset [29, 48] from the object at 'treq' is out of the bounds of referenced subobject 'req_header' with type 'struct utp_upiu_header' at offset 16 [-Warray-bounds]
> include/linux/fortify-string.h:20:29: warning: '__builtin_memcpy' offset [61, 80] from the object at 'treq' is out of the bounds of referenced subobject 'rsp_header' with type 'struct utp_upiu_header' at offset 48 [-Warray-bounds]
> arch/m68k/include/asm/string.h:72:25: warning: '__builtin_memcpy' offset [29, 48] from the object at 'treq' is out of the bounds of referenced subobject 'req_header' with type 'struct utp_upiu_header' at offset 16 [-Warray-bounds]
> arch/m68k/include/asm/string.h:72:25: warning: '__builtin_memcpy' offset [61, 80] from the object at 'treq' is out of the bounds of referenced subobject 'rsp_header' with type 'struct utp_upiu_header' at offset 48 [-Warray-bounds]
>
> [...]

Applied to 5.13/scsi-queue, thanks!

[1/1] scsi: ufs: Fix out-of-bounds warnings in ufshcd_exec_raw_upiu_cmd
https://git.kernel.org/mkp/scsi/c/1352eec8c0da

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Martin K. Petersen Oracle Linux Engineering