arm64/for-kernelci build: 1 build: 0 failed, 1 passed, 1 warning (v6.8-rc4-55-g905b00721763)

arm64/for-kernelci build: 1 build: 0 failed, 1 passed, 1 warning (v6.8-rc4-55-g905b00721763)

[kernelci.org bot]

arm64/for-kernelci build: 1 build: 0 failed, 1 passed, 1 warning (v6.8-rc4-55-g905b00721763)

Full Build Summary: https://kernelci.org/build/arm64/branch/for-kernelci/kernel/v6.8-rc4-55-g905b00721763/

Tree: arm64
Branch: for-kernelci
Git Describe: v6.8-rc4-55-g905b00721763
Git Commit: 905b007217637b34a6a877271f21ed0dada0f564
Git URL: https://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git
Built: 1 unique architecture

Warnings Detected:

arm64:
    defconfig (gcc-10): 1 warning


Warnings summary:

    1    security/security.c:810:2: warning: ‘memcpy’ offset 32 is out of the bounds [0, 0] [-Warray-bounds]

================================================================================

Detailed per-defconfig build reports:

--------------------------------------------------------------------------------
defconfig (arm64, gcc-10) — PASS, 0 errors, 1 warning, 0 section mismatches

Warnings:
    security/security.c:810:2: warning: ‘memcpy’ offset 32 is out of the bounds [0, 0] [-Warray-bounds]

---
For more info write to <info@kernelci.org>

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Re: arm64/for-kernelci build: 1 build: 0 failed, 1 passed, 1 warning (v6.8-rc4-55-g905b00721763)

[Will Deacon]

[+Paul Moore for the array bounds warning]

On Fri, Feb 16, 2024 at 12:56:52PM -0800, kernelci.org bot wrote:
> arm64/for-kernelci build: 1 build: 0 failed, 1 passed, 1 warning (v6.8-rc4-55-g905b00721763)
> 
> Full Build Summary: https://kernelci.org/build/arm64/branch/for-kernelci/kernel/v6.8-rc4-55-g905b00721763/
> 
> Tree: arm64
> Branch: for-kernelci
> Git Describe: v6.8-rc4-55-g905b00721763
> Git Commit: 905b007217637b34a6a877271f21ed0dada0f564
> Git URL: https://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git
> Built: 1 unique architecture
> 
> Warnings Detected:
> 
> arm64:
>     defconfig (gcc-10): 1 warning
> 
> 
> Warnings summary:
> 
>     1    security/security.c:810:2: warning: ‘memcpy’ offset 32 is out of the bounds [0, 0] [-Warray-bounds]
> 
> ================================================================================
> 
> Detailed per-defconfig build reports:
> 
> --------------------------------------------------------------------------------
> defconfig (arm64, gcc-10) — PASS, 0 errors, 1 warning, 0 section mismatches
> 
> Warnings:
>     security/security.c:810:2: warning: ‘memcpy’ offset 32 is out of the bounds [0, 0] [-Warray-bounds]

Paul, sorry if you've had lots of these reports already, but this one keeps
showing up in our CI and I don't think it's related to any of our arm64
changes. So, on the off chance that you're not aware, here it is!

Will

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Re: arm64/for-kernelci build: 1 build: 0 failed, 1 passed, 1 warning (v6.8-rc4-55-g905b00721763)

[Paul Moore]

On Tue, Feb 20, 2024 at 6:49 AM Will Deacon <will@kernel.org> wrote:
>
> [+Paul Moore for the array bounds warning]
>
> On Fri, Feb 16, 2024 at 12:56:52PM -0800, kernelci.org bot wrote:
> > arm64/for-kernelci build: 1 build: 0 failed, 1 passed, 1 warning (v6.8-rc4-55-g905b00721763)
> >
> > Full Build Summary: https://kernelci.org/build/arm64/branch/for-kernelci/kernel/v6.8-rc4-55-g905b00721763/
> >
> > Tree: arm64
> > Branch: for-kernelci
> > Git Describe: v6.8-rc4-55-g905b00721763
> > Git Commit: 905b007217637b34a6a877271f21ed0dada0f564
> > Git URL: https://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git
> > Built: 1 unique architecture
> >
> > Warnings Detected:
> >
> > arm64:
> >     defconfig (gcc-10): 1 warning
> >
> >
> > Warnings summary:
> >
> >     1    security/security.c:810:2: warning: ‘memcpy’ offset 32 is out of the bounds [0, 0] [-Warray-bounds]
> >
> > ================================================================================
> >
> > Detailed per-defconfig build reports:
> >
> > --------------------------------------------------------------------------------
> > defconfig (arm64, gcc-10) — PASS, 0 errors, 1 warning, 0 section mismatches
> >
> > Warnings:
> >     security/security.c:810:2: warning: ‘memcpy’ offset 32 is out of the bounds [0, 0] [-Warray-bounds]
>
> Paul, sorry if you've had lots of these reports already, but this one keeps
> showing up in our CI and I don't think it's related to any of our arm64
> changes. So, on the off chance that you're not aware, here it is!

Hi Will,

Yes, I've seen this reported quite a bit and I've double (triple ...)
checked that it is a bogus warning.  Kees mentioned that it was due to
a known gcc bug so I've been ignoring it, I would appreciate it if you
could do the same.  I love to see bugs reported during the development
cycle - thanks for your help in this regard! - but I do get tired of
seeing the same bogus warnings caused by a buggy toolchain.

-- 
paul-moore.com

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Re: arm64/for-kernelci build: 1 build: 0 failed, 1 passed, 1 warning (v6.8-rc4-55-g905b00721763)

[Mark Brown]

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On Tue, Feb 20, 2024 at 09:59:23AM -0500, Paul Moore wrote:

> Yes, I've seen this reported quite a bit and I've double (triple ...)
> checked that it is a bogus warning.  Kees mentioned that it was due to
> a known gcc bug so I've been ignoring it, I would appreciate it if you
> could do the same.  I love to see bugs reported during the development
> cycle - thanks for your help in this regard! - but I do get tired of
> seeing the same bogus warnings caused by a buggy toolchain.

Note that the toolchain concerned is the Debian one (oldstable now, we
should be upgrading soonish but I don't know about other users) rather
than something obscure and custom.

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