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Type: Bug
Resolution: Fixed
Priority: P4
Fix Version/s: 20
Affects Version/s: 20
Component/s: hotspot
Labels:
- noreg-hard

Subcomponent:
runtime
Resolved In Build:
b25

Class redefinition needs to scan for all nmethods, including is_unloading ones. If it doesn't, the Method can get nuked and then a concurrent GC will trip on it and crash. The normal iterator used by class redefinition uses the right iterator, but there is an optmized table being used in CodeCache::old_nmethods_do, and it inconsistently does filter is_unloading nmethods, which is a bug.

blocks

JDK-8295097 DirectNativeCallWrapper::verify_resolve_call fails with "assert(db != __null && !db->is_adapter_blob()) failed: must use stub!"

Closed

duplicates

JDK-8295097 DirectNativeCallWrapper::verify_resolve_call fails with "assert(db != __null && !db->is_adapter_blob()) failed: must use stub!"

Closed

relates to

JDK-8291830 jvmti/RedefineClasses/StressRedefine failed: assert(!is_null(v)) failed: narrow klass value can never be zero

Resolved

JDK-8295097 DirectNativeCallWrapper::verify_resolve_call fails with "assert(db != __null && !db->is_adapter_blob()) failed: must use stub!"

Closed

links to

Commit openjdk/jdk/08008139

Review openjdk/jdk/11243

(1 links to)

Assignee:: Coleen Phillimore
Reporter:: Erik Österlund
Votes:: 0 Vote for this issue
Watchers:: 6 Start watching this issue

Created:: 2022-09-09 02:43
Updated:: 2022-12-20 00:04
Resolved:: 2022-11-21 05:48

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