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Date: Tue, 1 Sep 2015 12:00:15 +0200
From: Jiri Olsa <jolsa@redhat.com>
To: Wang Nan <wangnan0@huawei.com>
Cc: acme@kernel.org, linux-kernel@vger.kernel.org, lizefan@huawei.com,
        pi3orama@huawei.com, Arnaldo Carvalho de Melo <acme@redhat.com>,
        Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>,
        "David S. Miller" <davem@davemloft.net>,
        Matt Fleming <matt@console-pimps.org>, Jiri Olsa <jolsa@kernel.org>
Subject: Re: [PATCH] perf tools: Fix potential array out of bounce accessing
Message-ID: <20150901100015.GB12968@krava.brq.redhat.com>
References: <1441078184-105038-1-git-send-email-wangnan0@huawei.com>
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On Tue, Sep 01, 2015 at 03:29:44AM +0000, Wang Nan wrote:
> There is a problem in dwarf-regs.c of sh, sparc and x86 that it is
> possible to make an out-of-bound array accessing when searching
> register names. This patch fixes it by replacing '<=' to '<', so when
> register (number == XXX_MAX_REGS), get_arch_regstr() returns NULL.
> 

Acked-by: Jiri Olsa <jolsa@kernel.org>

thanks,
jirka