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From: tip-bot for Jiri Olsa <tipbot@zytor.com>
To: linux-tip-commits@vger.kernel.org
Cc: acme@redhat.com, jolsa@kernel.org, tglx@linutronix.de,
	a.p.zijlstra@chello.nl, dsahern@gmail.com, rostedt@goodmis.org,
	linux-kernel@vger.kernel.org, paulus@samba.org, mingo@kernel.org,
	fweisbec@gmail.com, eranian@google.com,
	cjashfor@linux.vnet.ibm.com, namhyung@kernel.org, hpa@zytor.com,
	adrian.hunter@intel.com
Subject: [tip:perf/urgent] perf buildid cache: Fix -a segfault related to kcore handling
Date: Fri, 12 Dec 2014 00:17:20 -0800	[thread overview]
Message-ID: <tip-eec5a688f426d6fe4097feb0b916ad41803d2ebb@git.kernel.org> (raw)
In-Reply-To: <1417460789-13874-7-git-send-email-jolsa@kernel.org>

Commit-ID:  eec5a688f426d6fe4097feb0b916ad41803d2ebb
Gitweb:     http://git.kernel.org/tip/eec5a688f426d6fe4097feb0b916ad41803d2ebb
Author:     Jiri Olsa <jolsa@kernel.org>
AuthorDate: Mon, 1 Dec 2014 20:06:27 +0100
Committer:  Arnaldo Carvalho de Melo <acme@redhat.com>
CommitDate: Tue, 9 Dec 2014 09:14:34 -0300

perf buildid cache: Fix -a segfault related to kcore handling

The kcore_filename is uninitialized and trash value could trigger
build_id_cache__add_kcore function ending up with segfault.

Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Stephane Eranian <eranian@google.com>
Cc: Steven Rostedt <rostedt@goodmis.org>
Link: http://lkml.kernel.org/r/1417460789-13874-7-git-send-email-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
 tools/perf/builtin-buildid-cache.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/perf/builtin-buildid-cache.c b/tools/perf/builtin-buildid-cache.c
index 29f24c0..77d5cae 100644
--- a/tools/perf/builtin-buildid-cache.c
+++ b/tools/perf/builtin-buildid-cache.c
@@ -289,7 +289,7 @@ int cmd_buildid_cache(int argc, const char **argv,
 		   *remove_name_list_str = NULL,
 		   *missing_filename = NULL,
 		   *update_name_list_str = NULL,
-		   *kcore_filename;
+		   *kcore_filename = NULL;
 	char sbuf[STRERR_BUFSIZE];
 
 	struct perf_data_file file = {

  parent reply	other threads:[~2014-12-12  8:17 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-12-01 19:06 [PATCH 0/8] perf buildid-cache: Add clean command Jiri Olsa
2014-12-01 19:06 ` [PATCH 1/8] perf tools: Use single strcmp call instead of two Jiri Olsa
2014-12-12  8:16   ` [tip:perf/urgent] " tip-bot for Jiri Olsa
2014-12-01 19:06 ` [PATCH 2/8] perf tools: Remove extra debugdir variables Jiri Olsa
2014-12-12  8:17   ` [tip:perf/urgent] perf buildid-cache: " tip-bot for Jiri Olsa
2014-12-01 19:06 ` [PATCH 3/8] perf tools: Add --buildid-dir option to set cache directory Jiri Olsa
2014-12-05 15:36   ` Arnaldo Carvalho de Melo
2014-12-12  8:17   ` [tip:perf/urgent] " tip-bot for Jiri Olsa
2014-12-01 19:06 ` [PATCH 4/8] perf buildid-cache: Add clean command Jiri Olsa
2014-12-01 19:06 ` [PATCH 5/8] perf buildid-cache: Add automated tests Jiri Olsa
2014-12-05 15:30   ` Arnaldo Carvalho de Melo
2014-12-06 12:12     ` Jiri Olsa
2014-12-01 19:06 ` [PATCH 6/8] perf buildid cache: Fix -a segfault Jiri Olsa
2014-12-05 15:30   ` Arnaldo Carvalho de Melo
2014-12-12  8:17   ` tip-bot for Jiri Olsa [this message]
2014-12-01 19:06 ` [PATCH 7/8] perf buildid-cache: Fix kallsyms removal Jiri Olsa
2014-12-01 19:06 ` [PATCH 8/8] perf buildid-cache: Try to remove empty directories Jiri Olsa
2014-12-01 22:29 ` [PATCH 0/8] perf buildid-cache: Add clean command Arnaldo Carvalho de Melo
2014-12-02 12:25   ` Jiri Olsa
2014-12-02 14:10     ` Arnaldo Carvalho de Melo
2014-12-03  8:13       ` Namhyung Kim
2014-12-03 13:38         ` Jiri Olsa

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