linux/tools/lib/traceevent
Steven Rostedt 106b816cb4 tools lib traceevent: Do not reassign parg after collapse_tree()
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>
Cc: stable@vger.kernel.org # 3.14+
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>
2016-05-12 11:27:00 -03:00
..
.gitignore
Build
event-parse.c
event-parse.h
event-plugin.c
event-utils.h
kbuffer-parse.c
kbuffer.h
Makefile
parse-filter.c
parse-utils.c
plugin_cfg80211.c
plugin_function.c
plugin_hrtimer.c
plugin_jbd2.c
plugin_kmem.c
plugin_kvm.c
plugin_mac80211.c
plugin_sched_switch.c
plugin_scsi.c
plugin_xen.c
trace-seq.c