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| author | Robert Richter <robert.richter@amd.com> | 2011-12-15 17:32:39 +0100 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2011-12-20 13:26:47 -0200 |
| commit | f3bda2c9a689b38c059f7cb2d761ff58a2996370 (patch) | |
| tree | dd3962fd82b6cb5e6b8a87a0ba9dbb90c36a7c68 /tools/perf/util | |
| parent | 3e76ac78b08479e84a3eca3fb1b3066fb8230461 (diff) | |
| download | linux-f3bda2c9a689b38c059f7cb2d761ff58a2996370.tar.gz linux-f3bda2c9a689b38c059f7cb2d761ff58a2996370.tar.bz2 linux-f3bda2c9a689b38c059f7cb2d761ff58a2996370.zip | |
perf evsel: Fix uninitialized memory access to struct perf_sample
Memory in struct perf_sample is not fully initialized during parsing.
Depending on sampling data some parts may left unchanged. Zero out
struct perf_sample first to avoid access to uninitialized memory.
Cc: Ingo Molnar <mingo@elte.hu>
Link: http://lkml.kernel.org/r/1323966762-8574-2-git-send-email-robert.richter@amd.com
Signed-off-by: Robert Richter <robert.richter@amd.com>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/util')
| -rw-r--r-- | tools/perf/util/evsel.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c index 60ad0286759e..667f3b78bb2c 100644 --- a/tools/perf/util/evsel.c +++ b/tools/perf/util/evsel.c @@ -460,7 +460,7 @@ int perf_event__parse_sample(const union perf_event *event, u64 type, u32 val32[2]; } u; - + memset(data, 0, sizeof(*data)); data->cpu = data->pid = data->tid = -1; data->stream_id = data->id = data->time = -1ULL; |