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| author |   Adrian Hunter <adrian.hunter@intel.com> | 2013-07-04 16:20:27 +0300 |
|---|---|---|
| committer |   Arnaldo Carvalho de Melo <acme@redhat.com> | 2013-07-12 13:53:48 -0300 |
| commit | 27389d7823f573be8eaff32fb4abe564e181eb71 (patch) | |
| tree | 78ff82f355707600ddf2258b6c5e90286d968f8a /tools/perf/util/machine.c | |
| parent | perf evlist: Tidy duplicated munmap code (diff) | |
| download | linux-dev-27389d7823f573be8eaff32fb4abe564e181eb71.tar.xz linux-dev-27389d7823f573be8eaff32fb4abe564e181eb71.zip | |
perf tools: Validate perf event header size
The 'size' variable includes the header so must be at least
'sizeof(struct perf_event_header)'. Error out immediately if that is
not the case. Also don't byte-swap the header until it is actually
"fetched" from the mmap region.
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Namhyung Kim <namhyung@gmail.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/r/1372944040-32690-9-git-send-email-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/util/machine.c')
0 files changed, 0 insertions, 0 deletions