Em Thu, May 12, 2016 at 09:57:13PM +0900, Namhyung Kim escreveu: > Hi Steve, > > On Thu, May 12, 2016 at 4:09 AM, Steven Rostedt <[email protected]> wrote: > > > > At the end of process_filter(), collapse_tree() was changed to update the > > parg parameter, but the reassignment after the call wasn't removed. > > What happens is that the "current_op" gets modified and freed and parg > > is assigned to the new allocated argument. But after the call to > > collapse_tree(), parg is assigned again to the just freed "current_op", > > and this causes the tool to crash. > > > > current_op must also be assigned to NULL in case of error, otherwise it > > will cause it to be free()ed twice. > > > > Cc: [email protected] # 3.14+ > > Fixes: 42d6194d133c ("tools lib traceevent: Refactor process_filter()") > > Signed-off-by: Steven Rostedt <[email protected]> > Acked-by: Namhyung Kim <[email protected]>
Thanks, applied to perf/urgent. - Arnaldo
