From: Andrey Ryabinin <a.ryabinin@samsung.com>
To: kbuild test robot <fengguang.wu@intel.com>
Cc: kbuild-all@01.org, Andrey Konovalov <adech.fo@gmail.com>,
Andrew Morton <akpm@linux-foundation.org>,
Linux Memory Management List <linux-mm@kvack.org>
Subject: Re: drivers/net/ethernet/broadcom/tg3.c:17811:37: warning: array subscript is above array bounds
Date: Thu, 19 Feb 2015 18:39:28 +0300 [thread overview]
Message-ID: <54E603B0.60505@samsung.com> (raw)
In-Reply-To: <201502190116.RU3JpDne%fengguang.wu@intel.com>
On 02/18/2015 08:14 PM, kbuild test robot wrote:
> tree: git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
> head: f5af19d10d151c5a2afae3306578f485c244db25
> commit: ef7f0d6a6ca8c9e4b27d78895af86c2fbfaeedb2 x86_64: add KASan support
> date: 5 days ago
> config: x86_64-randconfig-iv1-02190055 (attached as .config)
> reproduce:
> git checkout ef7f0d6a6ca8c9e4b27d78895af86c2fbfaeedb2
> # save the attached .config to linux build tree
> make ARCH=x86_64
>
> Note: it may well be a FALSE warning. FWIW you are at least aware of it now.
>
> All warnings:
>
> drivers/net/ethernet/broadcom/tg3.c: In function 'tg3_init_one':
>>> drivers/net/ethernet/broadcom/tg3.c:17811:37: warning: array subscript is above array bounds [-Warray-bounds]
> struct tg3_napi *tnapi = &tp->napi[i];
> ^
>>> drivers/net/ethernet/broadcom/tg3.c:17811:37: warning: array subscript is above array bounds [-Warray-bounds]
>
This probably a GCC bug: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=59124
I see this warning with 4.9.2, but not with GCC 5 where this should be fixed already.
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next prev parent reply other threads:[~2015-02-19 15:39 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-02-18 17:14 kbuild test robot
2015-02-19 15:39 ` Andrey Ryabinin [this message]
2015-02-20 1:16 ` Fengguang Wu
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