[DTrace-devel] [PATCH 2/3] cg: validate tstring alloc/free

[Kris Van Hees]

On Wed, Jul 16, 2025 at 07:07:59PM -0400, Eugene Loh wrote:
> I was a little concerned about this patch, but also wanted to expedite
> review.  FWIW, testing shows
> 
> test/unittest/builtinvar/tst.psinfo-bug21974606.d:
> test/unittest/builtinvar/tst.psinfo-bug22561297.d:
> test/unittest/builtinvar/tst.psinfo.d:
> test/unittest/builtinvar/tst.psinfo1.d:
> test/unittest/fbtprovider/tst.entryargs2.sh:
> test/unittest/funcs/copyinstr/tst.copyinstr-high-maxsize.d:
> test/unittest/funcs/copyinstr/tst.copyinstr-low-maxsize.d:
> test/unittest/funcs/copyinstr/tst.copyinstr-no-maxsize.d:
> test/unittest/funcs/copyinstr/tst.copyinstr.d:
> test/unittest/proc/tst.exec.sh:
> test/unittest/proc/tst.execfail.ENOENT.sh:
> test/unittest/proc/tst.execfail.sh:
> test/unittest/proc/tst.pr_psargs.d:
> test/unittest/proc/tst.pr_psargs_other_task.d:
> test/unittest/usdt/tst.argmap-typed-partial.d:
> test/unittest/usdt/tst.argmap-typed.d:
> test/unittest/variables/bvar/tst.execargs.d:
> test/demo/spec/specopen.d:
> 
> test/unittest/dif/bcopy.d:
> 
> failing on every VM.  (Well, bcopy is listed separately since we skip it on
> ARM.)  I'll try to put together a patch, but let me know if you already knew
> about this and have a fix.

I am looking into it as well.  Clearly, this patch is catching issues as
expected.