Stuart Henderson <s...@spacehopper.org> wrote: > On 2024/05/08 01:14, Volker Schlecht wrote: > > aisha@ identified a rather recent problem with lang/node, as in the > > following > > would immediately crash (nevermind the node version. It's 100% reproducible > > in 7.5 and -current): > > > > $ node > > Welcome to Node.js v20.12.2. > > Type ".help" for more information. > > > require('dns').resolve4('openbsd.org','A',(err, records) => > > > {console.log(records);}); > > > > I tracked this back to the following pull request in libcares: > > > > https://github.com/c-ares/c-ares/pull/659 > > So, specifically, this patch is setting SOCK_DNS for the situation where > somebody using this library _might_ use pledge, but node is not using > pledge.
That is just plain dumb. If a socket is marked SOCK_DNS then it is *just for DNS*, and only the very narrow set of operations used by libc/asr are supported. Actually it is dumb, because it wasn't tested at all.