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From: Arnaldo Carvalho de Melo <acme@kernel.org>
To: Ravi Bangoria <ravi.bangoria@linux.ibm.com>
Cc: Sandipan Das <sandipan@linux.ibm.com>,
	jolsa@redhat.com, linux-kernel@vger.kernel.org,
	naveen.n.rao@linux.vnet.ibm.com, sukadev@linux.vnet.ibm.com
Subject: Re: [PATCH] perf report powerpc: Fix crash if callchain is empty
Date: Wed, 13 Jun 2018 16:58:01 -0300	[thread overview]
Message-ID: <20180613195801.GE2686@kernel.org> (raw)
In-Reply-To: <7fe2c26e-a5a7-3141-870e-c93558bb082b@linux.ibm.com>

Em Tue, Jun 12, 2018 at 09:28:09AM +0530, Ravi Bangoria escreveu:
> On 06/11/2018 04:10 PM, Sandipan Das wrote:
> > For some cases, the callchain provided by the kernel may be
> > empty. So, the callchain ip filtering code will cause a crash
> > if we do not check whether the struct ip_callchain pointer is
> > NULL before accessing any members.
<SNIP>
> > Reported-by: Ravi Bangoria <ravi.bangoria@linux.ibm.com>
 
> Acked-by: Ravi Bangoria <ravi.bangoria@linux.ibm.com>

Thanks,

- Arnaldo

  reply	other threads:[~2018-06-13 19:58 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-06-11 10:40 [PATCH] perf report powerpc: Fix crash if callchain is empty Sandipan Das
2018-06-12  3:58 ` Ravi Bangoria
2018-06-13 19:58   ` Arnaldo Carvalho de Melo [this message]
2018-06-26  6:52 ` [tip:perf/urgent] " tip-bot for Sandipan Das

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