archive/jdk
1
0
Fork 0
mirror of https://github.com/openjdk/jdk.git synced 2025-09-19 10:34:38 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions

8257140: Crash in JvmtiTagMap::flush_object_free_events()

Browse source 
Reviewed-by: sspitsyn, kbarrett
This commit is contained in:
Coleen Phillimore 2020-12-02 14:09:55 +00:00
parent cfb50a9cb7
commit 2508bc7c58
5 changed files with 25 additions and 8 deletions
Download patch file Download diff file Expand all files Collapse all files

10
src/hotspot/share/prims/jvmtiEnvBase.cpp
View file

@ -256,11 +256,11 @@ JvmtiEnvBase::env_dispose() {
// Same situation as with events (see above)
set_native_method_prefixes(0, NULL);
JvmtiTagMap* tag_map_to_deallocate = _tag_map;
set_tag_map(NULL);
// A tag map can be big, deallocate it now
if (tag_map_to_deallocate != NULL) {
delete tag_map_to_deallocate;
JvmtiTagMap* tag_map_to_clear = tag_map_acquire();
// A tag map can be big, clear it now to save memory until
// the destructor runs.
if (tag_map_to_clear != NULL) {
tag_map_to_clear->clear();
}
_needs_clean_up = true;