[ruby-core:118797] [Ruby master Bug#20668] [3.3] shareable_constant_value: literal crash

[ruby-core:118797] [Ruby master Bug#20668] [3.3] shareable_constant_value: literal crash

[byroot (Jean Boussier) via ruby-core]

Issue #20668 has been reported by byroot (Jean Boussier).

----------------------------------------
Bug #20668: [3.3] shareable_constant_value: literal crash
https://bugs.ruby-lang.org/issues/20668

* Author: byroot (Jean Boussier)
* Status: Open
* ruby -v: ruby 3.3.4 (2024-07-09 revision be1089c8ec) [arm64-darwin23]
* Backport: 3.1: DONTNEED, 3.2: DONTNEED, 3.3: REQUIRED
----------------------------------------
The following test script crashes in the parser:

```ruby
# shareable_constant_value: literal

FORM_STRATEGIES = {
  'product' => Object,
  'storefront_password' => String,
  'contact' => Class,
}
```

The entire 3.3.x series is affected but not `master` nor 3.2.



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[ruby-core:118798] [Ruby master Bug#20668] [3.3] shareable_constant_value: literal crash

[byroot (Jean Boussier) via ruby-core]

Issue #20668 has been updated by byroot (Jean Boussier).


I believe I found a fix: https://github.com/ruby/ruby/pull/11314

cc @k0kubun 

----------------------------------------
Bug #20668: [3.3] shareable_constant_value: literal crash
https://bugs.ruby-lang.org/issues/20668#change-109354

* Author: byroot (Jean Boussier)
* Status: Open
* ruby -v: ruby 3.3.4 (2024-07-09 revision be1089c8ec) [arm64-darwin23]
* Backport: 3.1: DONTNEED, 3.2: DONTNEED, 3.3: REQUIRED
----------------------------------------
The following test script crashes in the parser:

```ruby
# shareable_constant_value: literal

FORM_STRATEGIES = {
  'product' => Object,
  'storefront_password' => String,
  'contact' => Class,
}
```

The entire 3.3.x series is affected but not `master` nor 3.2.


```
  * frame #0: 0x000000010016c240 miniruby`shareable_literal_constant at parse.y:13543:25
    frame #1: 0x000000010016c230 miniruby`shareable_literal_constant [inlined] ensure_shareable_node(p=0x000000015270a8c0, dest=0x000000016fdfc920, value=<unavailable>, loc=0x000000015304e000) at parse.y:13587:33
    frame #2: 0x000000010016c230 miniruby`shareable_literal_constant(p=0x000000015270a8c0, shareable=<unavailable>, dest=0x000000016fdfc920, value=<unavailable>, loc=0x000000015304e000, level=<unavailable>) at parse.y:13722:20
    frame #3: 0x000000010016bec4 miniruby`shareable_literal_constant(p=0x000000015270a8c0, shareable=shareable_literal, dest=0x000000016fdfc920, value=0x0000000153048e60, loc=0x000000016fdfcae0, level=<unavailable>) at parse.y:13696:23
    frame #4: 0x0000000100150414 miniruby`node_assign at parse.y:13754:25
    frame #5: 0x00000001001503ec miniruby`node_assign(p=0x000000015270a8c0, lhs=0x000000015304de90, rhs=0x0000000153048e60, ctxt=<unavailable>, loc=0x000000016fdfcae0) at parse.y:13781:15
    frame #6: 0x000000010014adc0 miniruby`ruby_yyparse(p=0x000000015270a8c0) at parse.y:3267:40
    frame #7: 0x000000010015be98 miniruby`yycompile0(arg=5678082240) at parse.y:7381:9
    frame #8: 0x000000010028a248 miniruby`rb_suppress_tracing(func=(miniruby`yycompile0 at parse.y:7351), arg=5678082240) at vm_trace.c:487:18
    frame #9: 0x0000000100159dbc miniruby`rb_parser_compile_file_path [inlined] yycompile(p=0x000000015270a8c0, fname=<unavailable>, line=<unavailable>) at parse.y:7436:5
    frame #10: 0x0000000100159d60 miniruby`rb_parser_compile_file_path [inlined] rb_ruby_parser_compile_file_path(p=0x000000015270a8c0, fname=4315517040, file=4315516512, start=<unavailable>) at parse.y:7526:12
    frame #11: 0x0000000100159d48 miniruby`rb_parser_compile_file_path(vparser=<unavailable>, fname=4315517040, file=4315516512, start=<unavailable>) at parse.y:15685:12
    frame #12: 0x00000001001d2398 miniruby`load_file_internal(argp_v=6171912760) at ruby.c:2627:11
    frame #13: 0x00000001000ae768 miniruby`rb_ensure(b_proc=(miniruby`load_file_internal at ruby.c:2515), data1=6171912760, e_proc=<unavailable>, data2=<unavailable>) at eval.c:1009:18
    frame #14: 0x00000001001d15b8 miniruby`ruby_process_options [inlined] load_file(parser=4315516608, fname=<unavailable>, f=4315516512, script=1, opt=0x000000016fdfe510) at ruby.c:2763:24
    frame #15: 0x00000001001d1580 miniruby`ruby_process_options at ruby.c:2017:15
    frame #16: 0x00000001001d1514 miniruby`ruby_process_options [inlined] process_options(argc=0, argv=<unavailable>, opt=0x000000016fdfe510) at ruby.c:2358:21
    frame #17: 0x00000001001d0df4 miniruby`ruby_process_options(argc=<unavailable>, argv=<unavailable>) at ruby.c:3017:12
    frame #18: 0x00000001000accf4 miniruby`ruby_options(argc=2, argv=0x000000016fdff0f0) at eval.c:121:9
    frame #19: 0x000000010000122c miniruby`main [inlined] rb_main(argc=2, argv=0x000000016fdff0f0) at main.c:39:26
    frame #20: 0x0000000100001214 miniruby`main(argc=2, argv=0x000000016fdff0f0) at main.c:58:12
```



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[ruby-core:119004] [Ruby master Bug#20668] [3.3] shareable_constant_value: literal crash

[k0kubun (Takashi Kokubun) via ruby-core]

Issue #20668 has been updated by k0kubun (Takashi Kokubun).

Backport changed from 3.1: DONTNEED, 3.2: DONTNEED, 3.3: REQUIRED to 3.1: DONTNEED, 3.2: DONTNEED, 3.3: DONE

ruby_3_3 commit:65cca99b30c65d462aa67969e0f16f6e45db4705.

----------------------------------------
Bug #20668: [3.3] shareable_constant_value: literal crash
https://bugs.ruby-lang.org/issues/20668#change-109579

* Author: byroot (Jean Boussier)
* Status: Closed
* ruby -v: ruby 3.3.4 (2024-07-09 revision be1089c8ec) [arm64-darwin23]
* Backport: 3.1: DONTNEED, 3.2: DONTNEED, 3.3: DONE
----------------------------------------
The following test script crashes in the parser:

```ruby
# shareable_constant_value: literal

FORM_STRATEGIES = {
  'product' => Object,
  'storefront_password' => String,
  'contact' => Class,
}
```

The entire 3.3.x series is affected but not `master` nor 3.2.


```
  * frame #0: 0x000000010016c240 miniruby`shareable_literal_constant at parse.y:13543:25
    frame #1: 0x000000010016c230 miniruby`shareable_literal_constant [inlined] ensure_shareable_node(p=0x000000015270a8c0, dest=0x000000016fdfc920, value=<unavailable>, loc=0x000000015304e000) at parse.y:13587:33
    frame #2: 0x000000010016c230 miniruby`shareable_literal_constant(p=0x000000015270a8c0, shareable=<unavailable>, dest=0x000000016fdfc920, value=<unavailable>, loc=0x000000015304e000, level=<unavailable>) at parse.y:13722:20
    frame #3: 0x000000010016bec4 miniruby`shareable_literal_constant(p=0x000000015270a8c0, shareable=shareable_literal, dest=0x000000016fdfc920, value=0x0000000153048e60, loc=0x000000016fdfcae0, level=<unavailable>) at parse.y:13696:23
    frame #4: 0x0000000100150414 miniruby`node_assign at parse.y:13754:25
    frame #5: 0x00000001001503ec miniruby`node_assign(p=0x000000015270a8c0, lhs=0x000000015304de90, rhs=0x0000000153048e60, ctxt=<unavailable>, loc=0x000000016fdfcae0) at parse.y:13781:15
    frame #6: 0x000000010014adc0 miniruby`ruby_yyparse(p=0x000000015270a8c0) at parse.y:3267:40
    frame #7: 0x000000010015be98 miniruby`yycompile0(arg=5678082240) at parse.y:7381:9
    frame #8: 0x000000010028a248 miniruby`rb_suppress_tracing(func=(miniruby`yycompile0 at parse.y:7351), arg=5678082240) at vm_trace.c:487:18
    frame #9: 0x0000000100159dbc miniruby`rb_parser_compile_file_path [inlined] yycompile(p=0x000000015270a8c0, fname=<unavailable>, line=<unavailable>) at parse.y:7436:5
    frame #10: 0x0000000100159d60 miniruby`rb_parser_compile_file_path [inlined] rb_ruby_parser_compile_file_path(p=0x000000015270a8c0, fname=4315517040, file=4315516512, start=<unavailable>) at parse.y:7526:12
    frame #11: 0x0000000100159d48 miniruby`rb_parser_compile_file_path(vparser=<unavailable>, fname=4315517040, file=4315516512, start=<unavailable>) at parse.y:15685:12
    frame #12: 0x00000001001d2398 miniruby`load_file_internal(argp_v=6171912760) at ruby.c:2627:11
    frame #13: 0x00000001000ae768 miniruby`rb_ensure(b_proc=(miniruby`load_file_internal at ruby.c:2515), data1=6171912760, e_proc=<unavailable>, data2=<unavailable>) at eval.c:1009:18
    frame #14: 0x00000001001d15b8 miniruby`ruby_process_options [inlined] load_file(parser=4315516608, fname=<unavailable>, f=4315516512, script=1, opt=0x000000016fdfe510) at ruby.c:2763:24
    frame #15: 0x00000001001d1580 miniruby`ruby_process_options at ruby.c:2017:15
    frame #16: 0x00000001001d1514 miniruby`ruby_process_options [inlined] process_options(argc=0, argv=<unavailable>, opt=0x000000016fdfe510) at ruby.c:2358:21
    frame #17: 0x00000001001d0df4 miniruby`ruby_process_options(argc=<unavailable>, argv=<unavailable>) at ruby.c:3017:12
    frame #18: 0x00000001000accf4 miniruby`ruby_options(argc=2, argv=0x000000016fdff0f0) at eval.c:121:9
    frame #19: 0x000000010000122c miniruby`main [inlined] rb_main(argc=2, argv=0x000000016fdff0f0) at main.c:39:26
    frame #20: 0x0000000100001214 miniruby`main(argc=2, argv=0x000000016fdff0f0) at main.c:58:12
```



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