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From: Arnaldo Carvalho de Melo <arnaldo.melo@gmail.com>
To: Kim Phillips <kim.phillips@amd.com>
Cc: Andreas Gerstmayr <agerstmayr@redhat.com>,
	linux-perf-users@vger.kernel.org,
	Peter Zijlstra <peterz@infradead.org>,
	Ingo Molnar <mingo@redhat.com>,
	Mark Rutland <mark.rutland@arm.com>,
	Alexander Shishkin <alexander.shishkin@linux.intel.com>,
	Jiri Olsa <jolsa@redhat.com>, Namhyung Kim <namhyung@kernel.org>,
	Adrian Hunter <adrian.hunter@intel.com>,
	"Steven Rostedt (VMware)" <rostedt@goodmis.org>,
	Kan Liang <kan.liang@linux.intel.com>,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH] perf script report: fix segfault when using DWARF mode
Date: Fri, 3 Apr 2020 09:40:28 -0300	[thread overview]
Message-ID: <20200403124028.GA18559@kernel.org> (raw)
In-Reply-To: <6a098ce1-1981-dcff-ea62-af5fc07ec7fb@amd.com>

Em Thu, Apr 02, 2020 at 02:07:51PM -0500, Kim Phillips escreveu:
> On 4/2/20 7:54 AM, Andreas Gerstmayr wrote:
> > When running perf script report with a Python script and a callgraph in
> > DWARF mode, intr_regs->regs can be 0 and therefore crashing the regs_map
> > function.
> > 
> > Added a check for this condition (same check as in builtin-script.c:595).
> > 
> > Signed-off-by: Andreas Gerstmayr <agerstmayr@redhat.com>
> > ---
> 
> Tested-by: Kim Phillips <kim.phillips@amd.com>

Thanks, added this to that patch.

- Arnaldo

  reply	other threads:[~2020-04-03 12:40 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-03-20 15:13 [PATCH] perf script: add flamegraph.py script Andreas Gerstmayr
2020-03-24 16:16 ` Kim Phillips
2020-03-24 19:05   ` Andreas Gerstmayr
2020-03-24 21:26     ` Arnaldo Melo
2020-03-26 19:04     ` Kim Phillips
2020-04-02 12:43       ` [PATCH] perf script: fix invalid read Andreas Gerstmayr
2020-04-02 15:15         ` Arnaldo Carvalho de Melo
2020-04-04  8:41         ` [tip: perf/urgent] perf script: Fix invalid read of directory entry after closedir() tip-bot2 for Andreas Gerstmayr
2020-04-02 12:54       ` [PATCH] perf script report: fix segfault when using DWARF mode Andreas Gerstmayr
2020-04-02 15:16         ` Arnaldo Carvalho de Melo
2020-04-02 19:07         ` Kim Phillips
2020-04-03 12:40           ` Arnaldo Carvalho de Melo [this message]
2020-04-03 13:16             ` Andreas Gerstmayr
2020-04-06  9:30               ` Andreas Gerstmayr
2020-04-06 12:59                 ` Arnaldo Carvalho de Melo
2020-04-06 14:28                   ` Kim Phillips
2020-04-04  8:41         ` [tip: perf/urgent] perf script report: Fix SEGFAULT " tip-bot2 for Andreas Gerstmayr
2020-04-02 13:04       ` [PATCH] perf script: add flamegraph.py script Andreas Gerstmayr
2020-04-06 14:27         ` Kim Phillips
2020-04-06 15:11 ` Arnaldo Carvalho de Melo
2020-04-09 16:57   ` [PATCH] perf script flamegraph: python2 support, update cli args Andreas Gerstmayr
2020-04-13 13:59     ` Arnaldo Carvalho de Melo
2020-04-09 17:14   ` [PATCH] perf script: add flamegraph.py script Andreas Gerstmayr
2020-04-22 12:17 ` [tip: perf/core] perf script: Add " tip-bot2 for Andreas Gerstmayr

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