linux

Steven Rostedt e46e5c256c tools lib traceevent: Do not reassign parg after collapse_tree() commit `106b816cb4` upstream. 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. The current_op variable must also be assigned to NULL in case of error, otherwise it will cause it to be free()ed twice. Signed-off-by: Steven Rostedt <rostedt@goodmis.org> Acked-by: Namhyung Kim <namhyung@kernel.org> Fixes: `42d6194d13` ("tools lib traceevent: Refactor process_filter()") Link: http://lkml.kernel.org/r/20160511150936.678c18a1@gandalf.local.home Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> [bwh: Backported to 3.16: adjust context] Signed-off-by: Ben Hutchings <ben@decadent.org.uk>		History 2016-06-15 21:29:32 +01:00
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api	perf tools: Allow overriding sysfs and proc finding with env var	2014-06-03 21:34:29 +02:00
lockdep	tools/liblockdep: Account for bitfield changes in lockdeps lock_acquire	2014-07-07 12:20:16 -04:00
symbol	tools lib symbol: Start carving out symbol parsing routines from perf	2013-12-13 10:30:20 -03:00
traceevent	tools lib traceevent: Do not reassign parg after collapse_tree()	2016-06-15 21:29:32 +01:00