ArrayIndexOutOfBoundsException in Joni #5368
Description
Environment
Provide at least:
- JRuby version (
jruby -v) and command line (flags, JRUBY_OPTS, etc):jruby 9.2.1.0-SNAPSHOT (2.5.0) 2018-10-14 d2bc2bc Java HotSpot(TM) 64-Bit Server VM 25.161-b12 on 1.8.0_161-b12 +jit [darwin-x86_64] - Operating system and platform (e.g.
uname -a)Darwin dhcp-10-175-223-212.vpn.oracle.com 18.0.0 Darwin Kernel Version 18.0.0: Wed Aug 22 20:13:40 PDT 2018; root:xnu-4903.201.2~1/RELEASE_X86_64 x86_64
Other relevant info you may wish to add:
- Installed or activated gems: none
- Application/framework version (e.g. Rails, Sinatra): none
- Environment variables: none relevant
Expected Behavior
id = 'X6'
double_quoted_rx = /^("|)(.*)\1$/
p id.sub(double_quoted_rx, '')- Describe your expectation of how JRuby should behave, perhaps by showing how CRuby/MRI behaves: MRI and JRuby 9.2.0.0 print
"" - Provide an executable Ruby script or a link to an example repository: as above
Actual Behavior
- Describe or show the actual behavior:
java.lang.ArrayIndexOutOfBoundsException: 2 - Provide text or screen capture showing the behavior:
Unhandled Java exception: java.lang.ArrayIndexOutOfBoundsException: 2
java.lang.ArrayIndexOutOfBoundsException: 2
opEndLineSb at org/joni/ByteCodeMachine.java:1276
executeSb at org/joni/ByteCodeMachine.java:369
matchAt at org/joni/ByteCodeMachine.java:167
matchCheck at org/joni/Matcher.java:287
searchCommon at org/joni/Matcher.java:460
search at org/joni/Matcher.java:301
matcherSearch at org/jruby/RubyRegexp.java:231
subBangMatch at org/jruby/RubyString.java:2966
subBangNoIter at org/jruby/RubyString.java:2930
sub_bang at org/jruby/RubyString.java:2884
sub at org/jruby/RubyString.java:2864
call at org/jruby/RubyString$INVOKER$i$sub.gen:-1
call at org/jruby/internal/runtime/methods/JavaMethod.java:421
cacheAndCall at org/jruby/runtime/callsite/CachingCallSite.java:365
call at org/jruby/runtime/callsite/CachingCallSite.java:201
invokeOther4:sub at test.rb:3
<main> at test.rb:3
invokeWithArguments at java/lang/invoke/MethodHandle.java:627
load at org/jruby/ir/Compiler.java:94
runScript at org/jruby/Ruby.java:852
runNormally at org/jruby/Ruby.java:771
runNormally at org/jruby/Ruby.java:789
runFromMain at org/jruby/Ruby.java:601
doRunFromMain at org/jruby/Main.java:415
internalRun at org/jruby/Main.java:307
run at org/jruby/Main.java:234
main at org/jruby/Main.java:206
TruffleRuby has the same exception when trying to use Joni 2.1.24. I'd open the issue there, but the only way I know to demonstrate it without tying it to TruffleRuby's code base is from JRuby.
CC @lopex who I think did the update to 2.1.24.