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8279969: NULL return from map_bitmap_region() needs to be checked

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Reviewed-by: ccheung, coleenp
This commit is contained in:
Ioi Lam 2022-02-17 06:40:46 +00:00
parent 1eec16b47b
commit 1864481df1
3 changed files with 22 additions and 3 deletions
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4
src/hotspot/share/cds/heapShared.cpp
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@ -1679,6 +1679,10 @@ void HeapShared::sort_loaded_regions(LoadedArchiveHeapRegion* loaded_regions, in
bool HeapShared::load_regions(FileMapInfo* mapinfo, LoadedArchiveHeapRegion* loaded_regions,
int num_loaded_regions, uintptr_t buffer) {
uintptr_t bitmap_base = (uintptr_t)mapinfo->map_bitmap_region();
if (bitmap_base == 0) {
_loading_failed = true;
return false; // OOM or CRC error
}
uintptr_t load_address = buffer;
for (int i = 0; i < num_loaded_regions; i++) {
LoadedArchiveHeapRegion* ri = &loaded_regions[i];