Issues

Profile-Guided Optimization (PGO) for GraalVM CE Native Image

oracle/graal#15010 · opened

on Nov 11, 2026

[GraalWasm] Setting a DWARF local variable via the debugger overwrites the frame base instead of the variable

oracle/graal#14990 · opened

on Nov 10, 2026

[GraalWasm] Debugger shows variables in the last 4 bytes of linear memory as 0 (bounds check off by one)

oracle/graal#14989 · opened

on Nov 10, 2026

[GraalWasm] Compiled code folds x*1, x/1, x-0, x+(-0) to x and returns signaling NaNs unquieted

oracle/graal#14988 · opened

on Nov 10, 2026

[GraalWasm] f32/f64 min and max return a signaling NaN operand unquieted

oracle/graal#14987 · opened

on Nov 10, 2026

Engine.close(true) crashes the JVM with SIGSEGV in TruffleCompilerThread while the isolate is still compiling

oracle/graal#14962 · opened

on Nov 9, 2026

HostExecuteNode: assertion in fillArgTypesArray fails when an overload ruled out by another argument contributes a primitive type check (since 25.0.2)

oracle/graal#14943 · opened

on Nov 8, 2026

[Native Image] Constant-VarHandle MemorySegment reads in hot loops keep every check per access: bounds, session owner/state, field reloads (4-5x slower than a raw load, 1.5x in a merge; HotSpot C2 and Graal JIT hoist them)

oracle/graal#14908 · opened

on Nov 4, 2026

[GR-81247] JIT miscompiles a Vector API loop (wrong results)

oracle/graal#14889 · opened

on Nov 3, 2026

2

[GR-81249] GraalWasm can't execute esbuild

oracle/graal#14882 · opened

on Nov 3, 2026

4

[Native Image] DNS cache TTL is captured at build time; runtime configuration is ineffective

oracle/graal#14875 · opened

on Nov 3, 2026

[Native Image] Oracle GraalVM 25.0.4: build-time-initialized FFM downcall MethodHandle fails analysis (linkToNative); builds on CE 25.4.4.1.1

oracle/graal#14860 · opened

on Nov 1, 2026

2

[Espresso] EspressoLibs FileChannel.transferTo aborts at unimplemented FileDispatcherImpl.maxDirectTransferSize0

oracle/graal#14856 · opened

on Nov 1, 2026

1

[Espresso] EspressoLibs FileChannel.read(ByteBuffer, long) exposes temporary offset across channels sharing a FileDescriptor

oracle/graal#14855 · opened

on Nov 1, 2026

[Native Image] A conditional serializable record still crashes the 25.0.4 builder with "Bulk queries can only be set with 'name'"

oracle/graal#14854 · opened

on Oct 31, 2026

2

[Native Image] Metadata tracing recurses into StackOverflowError when Class[] has conditional metadata

oracle/graal#14853 · opened

on Oct 31, 2026

[Native Image] FromReflectedMethod and FromReflectedField return a null ID without reporting a missing JNI registration

oracle/graal#14852 · opened

on Oct 31, 2026

# Graal/JVMCI Miscompiles an Unsigned Loop with a Negative Bound

oracle/graal#14851 · opened

on Oct 31, 2026

3

[Native Image] FromReflectedMethod and FromReflectedField return a null ID without reporting a missing JNI registration

oracle/graal#14850 · opened

on Oct 31, 2026

[Native Image] Proxy.newProxyInstance rejects a class loader that sees the interfaces through delegation, which the JVM accepts

oracle/graal#14849 · opened

on Oct 31, 2026

[Native Image] JDKInitializationFeature initializes every com.sun.xml class at build time, including non-JDK libraries such as jaxb-impl

oracle/graal#14848 · opened

on Oct 31, 2026

[Native Image Agent] Conditional mode drops accesses made by a JDK superclass initializer of a user-code class

oracle/graal#14847 · opened

on Oct 30, 2026

[Native Image] -H:AdditionalSecurityProviders does not verify a provider installed at run time, so its javax.crypto services always fail although the error recommends the option

oracle/graal#14846 · opened

on Oct 30, 2026

[Native Image] Array.newInstance with a lambda class fails, and the reachability-metadata entry the error suggests has no effect

oracle/graal#14845 · opened

on Oct 30, 2026

[GR-81018] [Native Image] newConstructorForSerialization: a missing serialization registration is reported as a misleading Object() reflection error, and "serializable": true is ignored for non-Serializable classes

oracle/graal#14834 · opened

on Oct 30, 2026

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Issues

Profile-Guided Optimization (PGO) for GraalVM CE Native Image

[GraalWasm] Setting a DWARF local variable via the debugger overwrites the frame base instead of the variable

[GraalWasm] Debugger shows variables in the last 4 bytes of linear memory as 0 (bounds check off by one)

[GraalWasm] Compiled code folds x*1, x/1, x-0, x+(-0) to x and returns signaling NaNs unquieted

[GraalWasm] f32/f64 min and max return a signaling NaN operand unquieted

Engine.close(true) crashes the JVM with SIGSEGV in TruffleCompilerThread while the isolate is still compiling

HostExecuteNode: assertion in fillArgTypesArray fails when an overload ruled out by another argument contributes a primitive type check (since 25.0.2)

[Native Image] Constant-VarHandle MemorySegment reads in hot loops keep every check per access: bounds, session owner/state, field reloads (4-5x slower than a raw load, 1.5x in a merge; HotSpot C2 and Graal JIT hoist them)

[GR-81247] JIT miscompiles a Vector API loop (wrong results)

[GR-81249] GraalWasm can't execute esbuild

[Native Image] DNS cache TTL is captured at build time; runtime configuration is ineffective

[Native Image] Oracle GraalVM 25.0.4: build-time-initialized FFM downcall MethodHandle fails analysis (linkToNative); builds on CE 25.4.4.1.1

[Espresso] EspressoLibs FileChannel.transferTo aborts at unimplemented FileDispatcherImpl.maxDirectTransferSize0

[Espresso] EspressoLibs FileChannel.read(ByteBuffer, long) exposes temporary offset across channels sharing a FileDescriptor

[Native Image] A conditional serializable record still crashes the 25.0.4 builder with "Bulk queries can only be set with 'name'"

[Native Image] Metadata tracing recurses into StackOverflowError when Class[] has conditional metadata

[Native Image] FromReflectedMethod and FromReflectedField return a null ID without reporting a missing JNI registration

# Graal/JVMCI Miscompiles an Unsigned Loop with a Negative Bound

[Native Image] FromReflectedMethod and FromReflectedField return a null ID without reporting a missing JNI registration

[Native Image] Proxy.newProxyInstance rejects a class loader that sees the interfaces through delegation, which the JVM accepts

[Native Image] JDKInitializationFeature initializes every com.sun.xml class at build time, including non-JDK libraries such as jaxb-impl

[Native Image Agent] Conditional mode drops accesses made by a JDK superclass initializer of a user-code class

[Native Image] -H:AdditionalSecurityProviders does not verify a provider installed at run time, so its javax.crypto services always fail although the error recommends the option

[Native Image] Array.newInstance with a lambda class fails, and the reachability-metadata entry the error suggests has no effect

[GR-81018] [Native Image] newConstructorForSerialization: a missing serialization registration is reported as a misleading Object() reflection error, and "serializable": true is ignored for non-Serializable classes