Description
I tried to run the google-protobuf test suite on TruffleRuby and encountered a segfault. I haven't been able to track down the cause of the segfault, but I have stripped it down a small reproduction.
The issue appears to happen with one of the "well-known" data types and type coercion. You can recreate it with the latest google-protobuf release, so there's need to invest the time in setting up a build environment for the gem.
To save some time, I've already generated the source file from the Protobuf schema:
Compiled Protobuf file: time_message_pb.rb
# frozen_string_literal: truepb.rb
# Generated by the protocol buffer compiler. DO NOT EDIT!
# source: time_message.proto
require 'google/protobuf'
require 'google/protobuf/duration_pb'
descriptor_data = "\n\x12time_message.proto\x12\x05\x63rash\x1a\x1egoogle/protobuf/duration.proto\":\n\x0bTimeMessage\x12+\n\x08\x64uration\x18\x01 \x01(\x0b\x32\x19.google.protobuf.Durationb\x06proto3"
pool = Google::Protobuf::DescriptorPool.generated_pool
pool.add_serialized_file(descriptor_data)
module Crash
TimeMessage = ::Google::Protobuf::DescriptorPool.generated_pool.lookup("crash.TimeMessage").msgclass
endIf you'd like to compile it with protoc yourself, I'm also including the Protobuf source file:
Protobuf source file: time_message.proto
syntax = "proto3";
package crash;
import "google/protobuf/duration.proto";
message TimeMessage {
google.protobuf.Duration duration = 1;
}Then, compile the file with protoc:
protoc --ruby_out=. time_message.protoTo induce the error, set the duration field on an instance of Crash::TimeMessage. It'll segfault by setting the duration kwarg or by creating the object without any args and then setting the field afterwards.
jt ruby -e 'require_relative "time_message_pb"; p Crash::TimeMessage.new(duration: 10.5)'That yields:
#
# A fatal error has been detected by the Java Runtime Environment:
#
# SIGSEGV (0xb) at pc=0x000072741acab18d, pid=2045954, tid=2045954
#
# JRE version: OpenJDK Runtime Environment GraalVM CE 25-dev+20.1 (25.0+20) (build 25+20-jvmci-b01)
# Java VM: OpenJDK 64-Bit Server VM GraalVM CE 25-dev+20.1 (25+20-jvmci-b01, mixed mode, sharing, tiered, jvmci, jvmci compiler, compressed oops, compressed class ptrs, g1 gc, linux-amd64)
# Problematic frame:
# V [libjvm.so+0x105618d] Unsafe_GetDouble+0xad
#
# Core dump will be written. Default location: Core dumps may be processed with "/usr/share/apport/apport -p%p -s%s -c%c -d%d -P%P -u%u -g%g -- %E" (or dumping to /home/nirvdrum/dev/workspaces/truffleruby-ws/core.2045954)
#
# An error report file with more information is saved as:
# /home/nirvdrum/dev/workspaces/truffleruby-ws/hs_err_pid2045954.log
[3.531s][warning][os] Loading hsdis library failed
#
# If you would like to submit a bug report, please visit:
# https://github.com/oracle/graal/issues
#
The segfault occurs with both the JVM and the Native builds. I've attached one of the hs_err logs.