Re: dash 0.5.13.1: heredoc parsing failure
Herbert Xu <[email protected]> Tue, 3 Feb 2026 10:37:39 +0800
| Newsgroups | org.kernel.vger.dash |
|---|---|
| Message-ID | <[email protected]> |
Hadrien LACOUR <[email protected]> wrote: > [-- text/plain, encoding quoted-printable, charset: UTF-8, 32 lines --] > > Since strace doesn't work on MacOS, I used > https://github.com/Mic92/strace-macos to get the attached log. No > `tee` calls, but I see two `read`, the first one returning 549 (which > is the size of the test script) and the second 0. Awesome! I can reproduce this now. So it's not tee(2) fallback that's the problem, rather the fallback for memfd_create(2). Also it only happens when the here-document is larger than PIPE_SIZE, which is when a fork is required. Thanks, -- Email: Herbert Xu <[email protected]> Home Page: http://gondor.apana.org.au/~herbert/ PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt