linux-hardening - Re: [PATCH] scsi: target: tcmu: Annotate struct tcmu_tmr with __counted

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Message-ID: <yq15y3v1vox.fsf@ca-mkp.ca.oracle.com>
Date: Wed, 27 Sep 2023 11:29:26 -0400
From: "Martin K. Petersen" <martin.petersen@...cle.com>
To: Kees Cook <keescook@...omium.org>
Cc: Bodo Stroesser <bostroesser@...il.com>,
        "Martin K. Petersen"
 <martin.petersen@...cle.com>,
        linux-scsi@...r.kernel.org, target-devel@...r.kernel.org,
        Nathan Chancellor <nathan@...nel.org>,
        Nick Desaulniers <ndesaulniers@...gle.com>, Tom Rix <trix@...hat.com>,
        linux-kernel@...r.kernel.org, llvm@...ts.linux.dev,
        linux-hardening@...r.kernel.org
Subject: Re: [PATCH] scsi: target: tcmu: Annotate struct tcmu_tmr with
 __counted_by


Kees,

> Prepare for the coming implementation by GCC and Clang of the
> __counted_by attribute. Flexible array members annotated with
> __counted_by can have their accesses bounds-checked at run-time
> checking via CONFIG_UBSAN_BOUNDS (for array indexing) and
> CONFIG_FORTIFY_SOURCE (for strcpy/memcpy-family functions).

Applied to 6.7/scsi-staging, thanks!

-- 
Martin K. Petersen	Oracle Linux Engineering