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| author | Prashanth Nageshappa | 2012-02-24 08:41:39 +0100 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo | 2012-02-29 22:29:45 +0100 |
| commit | 26b7952494772f0e695271fbd6cf83a852f60f25 (patch) | |
| tree | 168c92dc039cbd205b848c33da7020ea5b02a074 /tools/perf/util/event.c | |
| parent | perf evlist: Return first evsel for non-sample event on old kernel (diff) | |
| download | kernel-qcow2-linux-26b7952494772f0e695271fbd6cf83a852f60f25.tar.gz kernel-qcow2-linux-26b7952494772f0e695271fbd6cf83a852f60f25.tar.xz kernel-qcow2-linux-26b7952494772f0e695271fbd6cf83a852f60f25.zip | |
perf probe: Ensure offset provided is not greater than function length
The perf probe command allows kprobe to be inserted at any offset from a
function start, which results in adding kprobes to unintended location.
Example: perf probe do_fork+10000 is allowed even though size of do_fork
is ~904.
This patch will ensure probe addition fails when the offset specified is
greater than size of the function.
Acked-by: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
Cc: Ananth N Mavinakayanahalli <ananth@in.ibm.com>
Cc: Srikar Dronamraju <srikar@linux.vnet.ibm.com>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Jason Baron <jbaron@redhat.com>
Cc: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
Link: http://lkml.kernel.org/r/4F473F33.4060409@linux.vnet.ibm.com
Signed-off-by: Prashanth Nageshappa <prashanth@linux.vnet.ibm.com>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/util/event.c')
0 files changed, 0 insertions, 0 deletions