2.6.38-stable review patch. If anyone has any objections, please let us know.
------------------ From: Peter Zijlstra <[email protected]> commit fd1edb3aa2c1d92618d8f0c6d15d44ea41fcac6a upstream. sys_perf_event_open() had an imbalance in the number of task refs it took causing memory leakage Cc: Jiri Olsa <[email protected]> Cc: Oleg Nesterov <[email protected]> Signed-off-by: Peter Zijlstra <[email protected]> LKML-Reference: <new-submission> Signed-off-by: Ingo Molnar <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]> --- kernel/perf_event.c | 5 +++++ 1 file changed, 5 insertions(+) --- a/kernel/perf_event.c +++ b/kernel/perf_event.c @@ -5917,6 +5917,11 @@ SYSCALL_DEFINE5(perf_event_open, goto err_alloc; } + if (task) { + put_task_struct(task); + task = NULL; + } + /* * Look up the group leader (we will attach this event to it): */ _______________________________________________ stable mailing list [email protected] http://linux.kernel.org/mailman/listinfo/stable
