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dns: consistency; performance on malicious input #20445

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@davisjam davisjam commented May 1, 2018

This PR addresses two issues in lib/dns.js.

  1. Inconsistent behavior on some invalid servers, dns: setServers throws inconsistent TypeError #20441
  2. Quadratic regex, a potential performance issue, dns: setServers has super-linear regex #20443
Checklist
  • make -j4 test (UNIX), or vcbuild test (Windows) passes
  • tests and/or benchmarks are included
  • commit message follows commit guidelines

Behavior:
dns.setServers throws a null pointer dereference on some inputs.
Expected behavior was the more pleasant
  TypeError [ERR_INVALID_IP_ADDRESS] ...

Root cause(s?):
- Dereferencing the result of a regex match without confirming
  that there was a match.
- assuming the capture of an optional group (?)

Solution:
Confirm the match, and handle a missing port cleanly.

Tests: I added tests for various unusual inputs.

Fixes: nodejs#20441
@nodejs-github-bot nodejs-github-bot added the dns Issues and PRs related to the dns subsystem. label May 1, 2018
'['.repeat(100000) // REDOS
];
invalidServers.forEach((serv) => {
assert.throws(() => dns.setServers([serv]), /TypeError.*ERR_INVALID_IP_ADDRESS/, `Unexpected error thrown for ${serv}`);
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This line is too long, but I'm not sure how best to format it. I tried the obvious indentation but eslint complained that the TypeError ought to be indented 18 spaces (??).

@davisjam davisjam changed the title DNS issues dns: consistency, performance May 1, 2018
'['.repeat(100000) // REDOS
];
invalidServers.forEach((serv) => {
assert.throws(() => dns.setServers([serv]), /TypeError.*ERR_INVALID_IP_ADDRESS/, `Unexpected error thrown for ${serv}`);
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The correct error type is Error, not TypeError.

];
invalidServers.forEach((serv) => {
// The error type is undocumented.
assert.throws(() => dns.setServers([serv]), /Error.*ERR_INVALID_IP_ADDRESS/, `Unexpected error thrown for ${serv}`);
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This line is too long, but linter complains if I try to break it up?

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It depends on how you break it up. The following will definitely work.

assert.throws(
  () => foo,
  /abc/,
  'bar'
);

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In general this is LG. Just left a few comments.

lib/dns.js Outdated
// IPv6: /\[(.*)\]/ but O(n) complexity
const openBracketIx = serv.indexOf('[');
const nextCloseBracketIx = serv.indexOf(']', openBracketIx);
if (0 <= openBracketIx && openBracketIx < nextCloseBracketIx) {
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Suggestion: change it to e.g.,

const openBracketIx = serv.indexOf('[');
if (openBracketIx !== -1) {
  const nextCloseBracketIx = serv.indexOf(']', openBracketIx);
  if (nextCloseBracketIx > openBracketIx) {
    const withinBrackets = ...
    ...
  }
}

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As written I believe the code is correct: if openBracketIx is -1 then indexOf treats it as 0.

Is your suggestion about correctness or readability?

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Neither. It is just faster because it will not check for the closing bracket in case the first one does not exist.

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It also looks more Obviously Correct.

Apropos the names, can you use fooIndex instead of fooIx?

];
invalidServers.forEach((serv) => {
// The error type is undocumented.
assert.throws(() => dns.setServers([serv]), /Error.*ERR_INVALID_IP_ADDRESS/, `Unexpected error thrown for ${serv}`);
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Please use the object notation as in:

assert.throws(
  () => fn,
  {
    name: 'ErrorName',
    code: 'ERR_INVALID_IP_ADDRESS'
  },
  `Unexpected error thrown for ${serv}`
);

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Great, thanks

lib/dns.js Outdated
const addrSplitRE = /(^.+?)(?::(\d+))?$/;

servers.forEach((serv) => {
// Easily recognized?
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I am not sure what the comment stands for.

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This is the case "we can easily recognize what this server is"

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I would personally prefer a comment that's a descriptive statement. The question mark makes it pretty unclear.

const addrSplitMatch = serv.match(addrSplitRE);
if (addrSplitMatch) {
const hostIP = addrSplitMatch[1];
const port = addrSplitMatch[2] || IANA_DNS_PORT;
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Can you explain the default value here? That is something unexpected for me.

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addrSplitMatch[2] might be undefined (see #20441), in which case I figured the port should be 53 (DNS port).

I think this is consistent with existing cases where a default port is selected, e.g. here and here.

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I think it should be fine. parseInt('') works out to 0 when coerced to int32 and c-ares uses the default port in that case. IOW, there should be no observable change in behavior, it'll use port 53 either way.

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@davisjam would you be so kind and address the comments? :-)

lib/dns.js Outdated
// IPv6: /\[(.*)\]/ but O(n) complexity
const openBracketIx = serv.indexOf('[');
const nextCloseBracketIx = serv.indexOf(']', openBracketIx);
if (0 <= openBracketIx && openBracketIx < nextCloseBracketIx) {
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It also looks more Obviously Correct.

Apropos the names, can you use fooIndex instead of fooIx?

lib/dns.js Outdated
const nextCloseBracketIx = serv.indexOf(']', openBracketIx);
if (0 <= openBracketIx && openBracketIx < nextCloseBracketIx) {
const withinBrackets = serv.slice(openBracketIx + 1, nextCloseBracketIx);
ipVersion = isIP(withinBrackets);
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Can't you match using /\[([^\]]+)\]/? Succinct and has linear complexity... although it does look as if the cat sat on your keyboard.

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Actually, /\[[^\]]+\]/ is still quadratic under input like '['.repeat(N) + 'a'. Lacking a leading ^ anchor, the regex engine will try each of the [s as a possible start point and will take linear time to reject each one.

Something like /\[([^\[\]]+)\]/ would be safe but:

  1. The cat's revenge is complete, and
  2. It couldn't handle nested braces like [[]] (not sure if that's relevant in the DNS spec).

See also: vuln-regex-detector #49.

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Right, I mean the anchored version. Nested square brackets shouldn't be an issue, an IPv6 address only has the two.

const addrSplitMatch = serv.match(addrSplitRE);
if (addrSplitMatch) {
const hostIP = addrSplitMatch[1];
const port = addrSplitMatch[2] || IANA_DNS_PORT;
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I think it should be fine. parseInt('') works out to 0 when coerced to int32 and c-ares uses the default port in that case. IOW, there should be no observable change in behavior, it'll use port 53 either way.

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davisjam commented May 18, 2018

@BridgeAR On vacation at the moment.

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Ping @davisjam

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@BridgeAR Good timing, let's see...

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I've decided to KISS, using a safe regex rather than the more complex logic needed to replace it. The proposed regex is slightly pickier (e.g. won't allow leading characters, like whitespace). Let me know if you want a trim for somewhat more backwards compatibility.

Problem:
The IPv6 regex was quadratic.
On long malicious input the event loop could block.

The security team did not deem it a security risk,
but said a PR was welcome.

Solution:
Revise the regex to a linear-complexity version.

Tests:
I added REDOS tests to the "oddities" section.

Fixes: nodejs#20443
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The consistency looks good, but as for performance, I think some benchmark should be added as well :)

'['.repeat(100000) + ']'.repeat(100000) + 'a'
];
invalidServers.forEach((serv) => {
assert.throws(() => dns.setServers([serv]), /TypeError.*ERR_INVALID_IP_ADDRESS/, `Unexpected error thrown for ${serv}`);
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This should exceed the max line number :(

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Ah yes I recall a comment about that earlier. I need to fix this.

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@yorkie Can you be more specific about your performance concern?

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yorkie commented Jun 1, 2018

@davisjam just suggest if a benchmark provided, we can get where the performance is optimized :)

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davisjam commented Jun 1, 2018

@yorkie See the test cases here. These run slowly without the patch.

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davisjam commented Jun 1, 2018

@yorkie See changes in 03451b4 to address your comments (and those of @BridgeAR about test case format).

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yorkie commented Jun 1, 2018

@davisjam What I mean is in https://github.com/nodejs/node/tree/master/benchmark/dns, it consumes the cost precisely :)

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davisjam commented Jun 1, 2018

@yorkie

  • There should be no change in common case performance.
  • The only observable difference should be for deliberately malicious input.

I don't think a benchmark targeting malicious input to this API would be of interest to those monitoring Node.js performance characteristics. Do you?

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yorkie commented Jun 1, 2018

Your patch looks good to me, just ensure the "performance" in your title, I think if anything performance gets improved, actually they could be proven from the benchmark.

These run slowly without the patch.

It'd be better if you provide a performance diffs by benchmark :)

@davisjam davisjam changed the title dns: consistency, performance dns: consistency; performance on malicious input Jun 1, 2018
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davisjam commented Jun 1, 2018

@yorkie I have adjusted the title.

Here's an example of the change in performance on malicious input.
I think adding an explicit benchmark would be "benchmark bloat". This is not a critical use case and I don't think it merits a benchmark.

(00:38:12) jamie@woody ~/Desktop/floss/node $ time node /tmp/setServers.js  > /dev/null 2>&1

real	0m6.431s
user	0m6.415s
sys	0m0.004s
(00:38:26) jamie@woody ~/Desktop/floss/node $ time ./node /tmp/setServers.js  > /dev/null 2>&1

real	0m0.045s
user	0m0.041s
sys	0m0.004s
(00:38:29) jamie@woody ~/Desktop/floss/node $ cat /tmp/setServers.js 
const dns = require('dns');

dns.setServers(['['.repeat(100000)]);

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BridgeAR commented Jun 2, 2018

@BridgeAR BridgeAR added the author ready PRs that have at least one approval, no pending requests for changes, and a CI started. label Jun 2, 2018
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LGTM with or without my nit addressed.

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addaleax commented Jun 7, 2018

@Trott I’d suggest you land this and address your own nit, there hasn’t been any movement in 5 days and it doesn’t seem like something that should hold up this PR?

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Trott commented Jun 7, 2018

Addressed my own nit.

CI: https://ci.nodejs.org/job/node-test-pull-request/15329/

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davisjam commented Jun 8, 2018

@Trott Thanks!

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Trott commented Jun 8, 2018

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Should be fine. Nothing obviously incorrect here :-)

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Trott commented Jun 9, 2018

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Trott commented Jun 9, 2018

Trott pushed a commit to Trott/io.js that referenced this pull request Jun 9, 2018
Issue 1: make invalid setServers yield uniform error

Behavior:
dns.setServers throws a null pointer dereference on some inputs.
Expected behavior was the more pleasant
  TypeError [ERR_INVALID_IP_ADDRESS] ...

Root cause(s?):
- Dereferencing the result of a regex match without confirming
  that there was a match.
- assuming the capture of an optional group (?)

Solution:
Confirm the match, and handle a missing port cleanly.

Tests: I added tests for various unusual inputs.

Issue 2: revise quadratic regex in setServers

Problem:
The IPv6 regex was quadratic.
On long malicious input the event loop could block.

The security team did not deem it a security risk,
but said a PR was welcome.

Solution:
Revise the regex to a linear-complexity version.

Tests:
I added REDOS tests to the "oddities" section.

Fixes: nodejs#20441
Fixes: nodejs#20443

PR-URL: nodejs#20445
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>
Reviewed-By: Rich Trott <rtrott@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
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Trott commented Jun 9, 2018

Landed in 872c331. Thanks!

@Trott Trott closed this Jun 9, 2018
targos pushed a commit that referenced this pull request Jun 10, 2018
Issue 1: make invalid setServers yield uniform error

Behavior:
dns.setServers throws a null pointer dereference on some inputs.
Expected behavior was the more pleasant
  TypeError [ERR_INVALID_IP_ADDRESS] ...

Root cause(s?):
- Dereferencing the result of a regex match without confirming
  that there was a match.
- assuming the capture of an optional group (?)

Solution:
Confirm the match, and handle a missing port cleanly.

Tests: I added tests for various unusual inputs.

Issue 2: revise quadratic regex in setServers

Problem:
The IPv6 regex was quadratic.
On long malicious input the event loop could block.

The security team did not deem it a security risk,
but said a PR was welcome.

Solution:
Revise the regex to a linear-complexity version.

Tests:
I added REDOS tests to the "oddities" section.

Fixes: #20441
Fixes: #20443

PR-URL: #20445
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>
Reviewed-By: Rich Trott <rtrott@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
targos pushed a commit that referenced this pull request Jun 13, 2018
Issue 1: make invalid setServers yield uniform error

Behavior:
dns.setServers throws a null pointer dereference on some inputs.
Expected behavior was the more pleasant
  TypeError [ERR_INVALID_IP_ADDRESS] ...

Root cause(s?):
- Dereferencing the result of a regex match without confirming
  that there was a match.
- assuming the capture of an optional group (?)

Solution:
Confirm the match, and handle a missing port cleanly.

Tests: I added tests for various unusual inputs.

Issue 2: revise quadratic regex in setServers

Problem:
The IPv6 regex was quadratic.
On long malicious input the event loop could block.

The security team did not deem it a security risk,
but said a PR was welcome.

Solution:
Revise the regex to a linear-complexity version.

Tests:
I added REDOS tests to the "oddities" section.

Fixes: #20441
Fixes: #20443

PR-URL: #20445
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>
Reviewed-By: Rich Trott <rtrott@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
@targos targos mentioned this pull request Jun 19, 2018
calebeby referenced this pull request in Pigmice2733/scouting-frontend Jun 20, 2018
This Pull Request updates dependency [node](https://github.com/nodejs/node) from `v10.4.1` to `v10.5.0`



<details>
<summary>Release Notes</summary>

### [`v10.5.0`](https://github.com/nodejs/node/releases/v10.5.0)
[Compare Source](nodejs/node@v10.4.1...v10.5.0)
##### Notable Changes
 
* **crypto**:
  * Support for `crypto.scrypt()` has been added. [#&#8203;20816](`https://github.com/nodejs/node/pull/20816`)
* **fs**:
  * BigInt support has been added to `fs.stat` and `fs.watchFile`. [#&#8203;20220](`https://github.com/nodejs/node/pull/20220`)
  * APIs that take `mode` as arguments no longer throw on values larger than
    `0o777`. [#&#8203;20636](`https://github.com/nodejs/node/pull/20636`) [#&#8203;20975](`https://github.com/nodejs/node/pull/20975`) (Fixes: [#&#8203;20498](`https://github.com/nodejs/node/issues/20498`))
  * Fix crashes in closed event watchers. [#&#8203;20985](`https://github.com/nodejs/node/pull/20985`) (Fixes: [#&#8203;20297](`https://github.com/nodejs/node/issues/20297`))
* **Worker Threads**:
  * Support for multi-threading has been added behind the
    `--experimental-worker` flag in the `worker_threads` module. This feature
    is *experimental* and may receive breaking changes at any time. [#&#8203;20876](`https://github.com/nodejs/node/pull/20876`)
##### Commits
 
* [[`a6986fe8b6`](nodejs/node@a6986fe8b6)] - **async_hooks**: remove deprecated example (Mathias Buus) [#&#8203;20998](`https://github.com/nodejs/node/pull/20998`)
* [[`4b9817bf1e`](nodejs/node@4b9817bf1e)] - **benchmark**: disable only the ESLint rule needing it (Rich Trott) [#&#8203;21133](`https://github.com/nodejs/node/pull/21133`)
* [[`ecba1c57b1`](nodejs/node@ecba1c57b1)] - **(SEMVER-MINOR)** **benchmark**: port cluster/echo to worker (Timothy Gu) [#&#8203;20876](`https://github.com/nodejs/node/pull/20876`)
* [[`02adb2d62c`](nodejs/node@02adb2d62c)] - **(SEMVER-MINOR)** **build**: expose openssl scrypt functions to addons (Ben Noordhuis) [#&#8203;20816](`https://github.com/nodejs/node/pull/20816`)
* [[`c3fbac432f`](nodejs/node@c3fbac432f)] - **build**: install markdown linter for travis (Richard Lau) [#&#8203;21215](`https://github.com/nodejs/node/pull/21215`)
* [[`896017b134`](nodejs/node@896017b134)] - **build**: build addon tests in parallel (Anna Henningsen) [#&#8203;21155](`https://github.com/nodejs/node/pull/21155`)
* [[`76927fc734`](nodejs/node@76927fc734)] - **build**: stop distclean from deleting v8 files (Ujjwal Sharma) [#&#8203;21164](`https://github.com/nodejs/node/pull/21164`)
* [[`b044256f2a`](nodejs/node@b044256f2a)] - **build**: use LC\_ALL of C for maximum compatibility (Rich Trott) [#&#8203;21222](`https://github.com/nodejs/node/pull/21222`)
* [[`78c7d666fb`](nodejs/node@78c7d666fb)] - **build**: don't change locale on smartos (Refael Ackermann) [#&#8203;21220](`https://github.com/nodejs/node/pull/21220`)
* [[`c688a00a6d`](nodejs/node@c688a00a6d)] - **build**: fix 'gas\_version' check on localized environments (Evandro Oliveira) [#&#8203;20394](`https://github.com/nodejs/node/pull/20394`)
* [[`79b3423fb5`](nodejs/node@79b3423fb5)] - **build**: initial .travis.yml implementation (Anna Henningsen) [#&#8203;21059](`https://github.com/nodejs/node/pull/21059`)
* [[`ea4be72f22`](nodejs/node@ea4be72f22)] - **child_process**: swallow errors in internal communication (Anatoli Papirovski) [#&#8203;21108](`https://github.com/nodejs/node/pull/21108`)
* [[`9981220e2a`](nodejs/node@9981220e2a)] - **crypto**: fix behavior of createCipher in wrap mode (Tobias Nießen) [#&#8203;21287](`https://github.com/nodejs/node/pull/21287`)
* [[`d0cb9cbb35`](nodejs/node@d0cb9cbb35)] - **(SEMVER-MINOR)** **crypto**: drop Math.pow(), use static exponentation (Ben Noordhuis) [#&#8203;20816](`https://github.com/nodejs/node/pull/20816`)
* [[`2d9c3cc89d`](nodejs/node@2d9c3cc89d)] - **(SEMVER-MINOR)** **crypto**: refactor randomBytes() (Ben Noordhuis) [#&#8203;20816](`https://github.com/nodejs/node/pull/20816`)
* [[`6262fa44d6`](nodejs/node@6262fa44d6)] - **(SEMVER-MINOR)** **crypto**: refactor pbkdf2() and pbkdf2Sync() methods (Ben Noordhuis) [#&#8203;20816](`https://github.com/nodejs/node/pull/20816`)
* [[`c9b4592dbf`](nodejs/node@c9b4592dbf)] - **(SEMVER-MINOR)** **crypto**: add scrypt() and scryptSync() methods (Ben Noordhuis) [#&#8203;20816](`https://github.com/nodejs/node/pull/20816`)
* [[`495756264a`](nodejs/node@495756264a)] - **(SEMVER-MINOR)** **crypto**: DRY type checking (Ben Noordhuis) [#&#8203;20816](`https://github.com/nodejs/node/pull/20816`)
* [[`e4a7e0d28b`](nodejs/node@e4a7e0d28b)] - **deps**: float ea7abee from openssl / CVE-2018-0732 (Rod Vagg) [#&#8203;21282](`https://github.com/nodejs/node/pull/21282`)
* [[`0b90b071c4`](nodejs/node@0b90b071c4)] - **deps**: Upgrade node-inspect to 1.11.5 (Jan Krems) [#&#8203;21055](`https://github.com/nodejs/node/pull/21055`)
* [[`ffc29c12da`](nodejs/node@ffc29c12da)] - **deps**: patch V8 to 6.7.288.46 (Myles Borins) [#&#8203;21260](`https://github.com/nodejs/node/pull/21260`)
* [[`14bb905d18`](nodejs/node@14bb905d18)] - **deps**: V8: cherry-pick a440efb27f from upstream (Yang Guo) [#&#8203;21022](`https://github.com/nodejs/node/pull/21022`)
* [[`65b9c427ac`](nodejs/node@65b9c427ac)] - **dns**: improve setServers() errors and performance (Jamie Davis) [#&#8203;20445](`https://github.com/nodejs/node/pull/20445`)
* [[`bc20ec0c0f`](nodejs/node@bc20ec0c0f)] - **doc**: eliminate \_you\_ from N-API doc (Rich Trott) [#&#8203;21382](`https://github.com/nodejs/node/pull/21382`)
* [[`318d6831bf`](nodejs/node@318d6831bf)] - **doc**: use imperative in COLLABORATOR\_GUIDE (Rich Trott) [#&#8203;21340](`https://github.com/nodejs/node/pull/21340`)
* [[`177a7c06a8`](nodejs/node@177a7c06a8)] - **doc**: remove obsolete wiki references from BUILDING (Rich Trott) [#&#8203;21369](`https://github.com/nodejs/node/pull/21369`)
* [[`15023df050`](nodejs/node@15023df050)] - **doc**: add davisjam to collaborators (Jamie Davis) [#&#8203;21273](`https://github.com/nodejs/node/pull/21273`)
* [[`17c21b67ac`](nodejs/node@17c21b67ac)] - **doc**: fix indentation in console.md (Vse Mozhet Byt) [#&#8203;21367](`https://github.com/nodejs/node/pull/21367`)
* [[`ef74368416`](nodejs/node@ef74368416)] - **doc**: fix heading of optional console method args (Michaël Zasso) [#&#8203;21311](`https://github.com/nodejs/node/pull/21311`)
* [[`4f17841c20`](nodejs/node@4f17841c20)] - **doc**: use Class Method label consistently (Rich Trott) [#&#8203;21357](`https://github.com/nodejs/node/pull/21357`)
* [[`4566ebacf4`](nodejs/node@4566ebacf4)] - **doc**: wrap style guide at 80 characters (Rich Trott) [#&#8203;21361](`https://github.com/nodejs/node/pull/21361`)
* [[`6c41f33571`](nodejs/node@6c41f33571)] - **doc**: wrap pull-requests.md at 80 characters (Rich Trott) [#&#8203;21361](`https://github.com/nodejs/node/pull/21361`)
* [[`b8213f17cc`](nodejs/node@b8213f17cc)] - **doc**: remove linking of url text to url (Rich Trott) [#&#8203;21361](`https://github.com/nodejs/node/pull/21361`)
* [[`3f78220c2b`](nodejs/node@3f78220c2b)] - **doc**: correct styling of \_GitHub\_ in onboarding doc (Rich Trott) [#&#8203;21361](`https://github.com/nodejs/node/pull/21361`)
* [[`9e994cb119`](nodejs/node@9e994cb119)] - **doc**: wrap releases.md at 80 chars (Rich Trott) [#&#8203;21361](`https://github.com/nodejs/node/pull/21361`)
* [[`e00e5e6d5d`](nodejs/node@e00e5e6d5d)] - **doc**: switch the order of Writable and Readable (Joseph Gordon) [#&#8203;21333](`https://github.com/nodejs/node/pull/21333`)
* [[`e1b571d6b7`](nodejs/node@e1b571d6b7)] - **doc**: make Deprecation cycle explanation more brief (Rich Trott) [#&#8203;21303](`https://github.com/nodejs/node/pull/21303`)
* [[`df0f7a3b4d`](nodejs/node@df0f7a3b4d)] - **doc**: clarify async execute callback usage (Michael Dawson) [#&#8203;21217](`https://github.com/nodejs/node/pull/21217`)
* [[`c5a65594ef`](nodejs/node@c5a65594ef)] - **doc**: move 5 collaborators to emeritus status (Rich Trott) [#&#8203;21272](`https://github.com/nodejs/node/pull/21272`)
* [[`c1d53f86f8`](nodejs/node@c1d53f86f8)] - **doc**: update NODE\_OPTIONS section in cli.md (Vse Mozhet Byt) [#&#8203;21229](`https://github.com/nodejs/node/pull/21229`)
* [[`13fd09bfa7`](nodejs/node@13fd09bfa7)] - **doc**: add build wg info to releases.md (Jon Moss) [#&#8203;21275](`https://github.com/nodejs/node/pull/21275`)
* [[`0da910f9a5`](nodejs/node@0da910f9a5)] - **doc**: move Italo A. Casas to Release Emeritus (Myles Borins) [#&#8203;21315](`https://github.com/nodejs/node/pull/21315`)
* [[`6f7de0b8d9`](nodejs/node@6f7de0b8d9)] - **doc**: trim deprecation level definition text (Rich Trott) [#&#8203;21241](`https://github.com/nodejs/node/pull/21241`)
* [[`dd2fc90dcf`](nodejs/node@dd2fc90dcf)] - **doc**: fix reference to workerData in worker\_threads (Jeremiah Senkpiel) [#&#8203;21180](`https://github.com/nodejs/node/pull/21180`)
* [[`5e46c16371`](nodejs/node@5e46c16371)] - **doc**: fix type in stream doc (Aliaksei Tuzik) [#&#8203;21178](`https://github.com/nodejs/node/pull/21178`)
* [[`85dc9ac418`](nodejs/node@85dc9ac418)] - **doc**: add Michaël Zasso to Release team (Michaël Zasso) [#&#8203;21114](`https://github.com/nodejs/node/pull/21114`)
* [[`5fa5ab6c48`](nodejs/node@5fa5ab6c48)] - **doc**: naming function as suggested in addon docs (Tommaso Allevi) [#&#8203;21067](`https://github.com/nodejs/node/pull/21067`)
* [[`fe5d35123b`](nodejs/node@fe5d35123b)] - **(SEMVER-MINOR)** **doc**: document BigInt support in fs.Stats (Joyee Cheung) [#&#8203;20220](`https://github.com/nodejs/node/pull/20220`)
* [[`2c4f80ffba`](nodejs/node@2c4f80ffba)] - **doc**: remove spaces around slashes (Rich Trott) [#&#8203;21140](`https://github.com/nodejs/node/pull/21140`)
* [[`72e7e1da2d`](nodejs/node@72e7e1da2d)] - **doc**: alphabetize tls options (Rich Trott) [#&#8203;21139](`https://github.com/nodejs/node/pull/21139`)
* [[`06ac81e786`](nodejs/node@06ac81e786)] - **doc**: streamline errors.md introductory material (Rich Trott) [#&#8203;21138](`https://github.com/nodejs/node/pull/21138`)
* [[`73b8975b41`](nodejs/node@73b8975b41)] - **doc**: simplify deprecation language (Rich Trott) [#&#8203;21136](`https://github.com/nodejs/node/pull/21136`)
* [[`6caa354377`](nodejs/node@6caa354377)] - **(SEMVER-MINOR)** **doc**: explain Worker semantics in async\_hooks.md (Anna Henningsen) [#&#8203;20876](`https://github.com/nodejs/node/pull/20876`)
* [[`9f9355d6d2`](nodejs/node@9f9355d6d2)] - **doc**: fix inconsistent documentation (host vs hostname) (Davis Okoth) [#&#8203;20933](`https://github.com/nodejs/node/pull/20933`)
* [[`a5c571424a`](nodejs/node@a5c571424a)] - **doc**: document file mode caveats on Windows (Joyee Cheung) [#&#8203;20636](`https://github.com/nodejs/node/pull/20636`)
* [[`a75e44d135`](nodejs/node@a75e44d135)] - **esm**: ensure require.main for CJS top-level loads (Guy Bedford) [#&#8203;21150](`https://github.com/nodejs/node/pull/21150`)
* [[`04e8f0749e`](nodejs/node@04e8f0749e)] - **(SEMVER-MINOR)** **fs**: support BigInt in fs.\*stat and fs.watchFile (Joyee Cheung) [#&#8203;20220](`https://github.com/nodejs/node/pull/20220`)
* [[`c09bfd81b7`](nodejs/node@c09bfd81b7)] - **fs**: do not crash when using a closed fs event watcher (Joyee Cheung) [#&#8203;20985](`https://github.com/nodejs/node/pull/20985`)
* [[`bacb2cb550`](nodejs/node@bacb2cb550)] - **fs**: refactor fs module (James M Snell) [#&#8203;20764](`https://github.com/nodejs/node/pull/20764`)
* [[`db0bb5214a`](nodejs/node@db0bb5214a)] - **fs**: improve fchmod{Sync} validation (cjihrig) [#&#8203;20588](`https://github.com/nodejs/node/pull/20588`)
* [[`2ffb9d6b5c`](nodejs/node@2ffb9d6b5c)] - **fs**: drop duplicate API in promises mode (Сковорода Никита Андреевич) [#&#8203;20559](`https://github.com/nodejs/node/pull/20559`)
* [[`fc0b3610e2`](nodejs/node@fc0b3610e2)] - **fs**: don't limit ftruncate() length to 32 bits (cjihrig) [#&#8203;20851](`https://github.com/nodejs/node/pull/20851`)
* [[`469baa062e`](nodejs/node@469baa062e)] - **fs**: add length validation to fs.truncate() (cjihrig) [#&#8203;20851](`https://github.com/nodejs/node/pull/20851`)
* [[`6aade4a765`](nodejs/node@6aade4a765)] - **http**: remove a pair of outdated comments (Mark S. Everitt) [#&#8203;21214](`https://github.com/nodejs/node/pull/21214`)
* [[`bcaf59c739`](nodejs/node@bcaf59c739)] - **http2**: fix memory leak for uncommon headers (Anna Henningsen) [#&#8203;21336](`https://github.com/nodejs/node/pull/21336`)
* [[`dee250fd77`](nodejs/node@dee250fd77)] - **http2**: safer Http2Session destructor (Anatoli Papirovski) [#&#8203;21194](`https://github.com/nodejs/node/pull/21194`)
* [[`296fd57324`](nodejs/node@296fd57324)] - **inspector**: stop dragging platform pointer (Eugene Ostroukhov) 
* [[`fb71337bdf`](nodejs/node@fb71337bdf)] - **(SEMVER-MINOR)** **lib**: rename checkIsArrayBufferView() (Ben Noordhuis) [#&#8203;20816](`https://github.com/nodejs/node/pull/20816`)
* [[`f3570f201b`](nodejs/node@f3570f201b)] - **(SEMVER-MINOR)** **lib**: replace checkUint() with validateInt32() (Ben Noordhuis) [#&#8203;20816](`https://github.com/nodejs/node/pull/20816`)
* [[`b4b7d368be`](nodejs/node@b4b7d368be)] - **lib**: unmask mode\_t values with 0o777 (Joyee Cheung) [#&#8203;20975](`https://github.com/nodejs/node/pull/20975`)
* [[`36e5100a39`](nodejs/node@36e5100a39)] - **lib**: support ranges in validateInt32() (cjihrig) [#&#8203;20588](`https://github.com/nodejs/node/pull/20588`)
* [[`2fe88d2218`](nodejs/node@2fe88d2218)] - **lib**: mask mode\_t type of arguments with 0o777 (Joyee Cheung) [#&#8203;20636](`https://github.com/nodejs/node/pull/20636`)
* [[`a0cfb0c9d4`](nodejs/node@a0cfb0c9d4)] - **lib**: add validateInteger() validator (cjihrig) [#&#8203;20851](`https://github.com/nodejs/node/pull/20851`)
* [[`740d9f1a0e`](nodejs/node@740d9f1a0e)] - **lib,src**: make `StatWatcher` a `HandleWrap` (Anna Henningsen) [#&#8203;21244](`https://github.com/nodejs/node/pull/21244`)
* [[`a657984109`](nodejs/node@a657984109)] - **lib,src**: remove openssl feature conditionals (Ben Noordhuis) [#&#8203;21094](`https://github.com/nodejs/node/pull/21094`)
* [[`653b20b26d`](nodejs/node@653b20b26d)] - **loader**: remove unused error code in module\_job (Gus Caplan) [#&#8203;21354](`https://github.com/nodejs/node/pull/21354`)
* [[`5d3dfedca2`](nodejs/node@5d3dfedca2)] - **meta**: remove CODEOWNERS (Rich Trott) [#&#8203;21161](`https://github.com/nodejs/node/pull/21161`)
* [[`169bff3e9e`](nodejs/node@169bff3e9e)] - **n-api**: name CallbackBundle function fields (Anna Henningsen) [#&#8203;21240](`https://github.com/nodejs/node/pull/21240`)
* [[`1dc9330b3a`](nodejs/node@1dc9330b3a)] - **n-api**: improve runtime perf of n-api func call (Kenny Yuan) [#&#8203;21072](`https://github.com/nodejs/node/pull/21072`)
* [[`9047c8182c`](nodejs/node@9047c8182c)] - **n-api**: remove unused napi\_env member (Gabriel Schulhof) [#&#8203;21127](`https://github.com/nodejs/node/pull/21127`)
* [[`18c057ab26`](nodejs/node@18c057ab26)] - **net**: emit 'close' when socket ends before connect (Brett Kiefer) [#&#8203;21290](`https://github.com/nodejs/node/pull/21290`)
* [[`a3fd1cd8ea`](nodejs/node@a3fd1cd8ea)] - **perf_hooks**: remove less useful bootstrap marks (James M Snell) [#&#8203;21247](`https://github.com/nodejs/node/pull/21247`)
* [[`8fddf591c5`](nodejs/node@8fddf591c5)] - **perf_hooks**: set bootstrap complete in only one place (James M Snell) [#&#8203;21247](`https://github.com/nodejs/node/pull/21247`)
* [[`fc2956d37a`](nodejs/node@fc2956d37a)] - **process**: backport process/methods file (Michaël Zasso) [#&#8203;21172](`https://github.com/nodejs/node/pull/21172`)
* [[`78ad4e9dde`](nodejs/node@78ad4e9dde)] - **src**: remove unused argc var in node\_stat\_watcher (Daniel Bevenius) [#&#8203;21337](`https://github.com/nodejs/node/pull/21337`)
* [[`7fa1344143`](nodejs/node@7fa1344143)] - **src**: use `%zx` in printf for size\_t (Anna Henningsen) [#&#8203;21323](`https://github.com/nodejs/node/pull/21323`)
* [[`671346ee8f`](nodejs/node@671346ee8f)] - **src**: do proper error checking in `AsyncWrap::MakeCallback` (Anna Henningsen) [#&#8203;21189](`https://github.com/nodejs/node/pull/21189`)
* [[`aa468abc4c`](nodejs/node@aa468abc4c)] - **src**: unify native symbol inspection code (Anna Henningsen) [#&#8203;21238](`https://github.com/nodejs/node/pull/21238`)
* [[`e92b89a75d`](nodejs/node@e92b89a75d)] - **src**: fix http2 typos (Anatoli Papirovski) [#&#8203;21194](`https://github.com/nodejs/node/pull/21194`)
* [[`4f01168414`](nodejs/node@4f01168414)] - **src**: do not persist fs\_poll handle in stat\_watcher (Anatoli Papirovski) [#&#8203;21093](`https://github.com/nodejs/node/pull/21093`)
* [[`685b9b2a6a`](nodejs/node@685b9b2a6a)] - **src**: do not persist timer handle in cares\_wrap (Anatoli Papirovski) [#&#8203;21093](`https://github.com/nodejs/node/pull/21093`)
* [[`4757771db3`](nodejs/node@4757771db3)] - **src**: add consistency check to node\_platform.cc (Anna Henningsen) [#&#8203;21156](`https://github.com/nodejs/node/pull/21156`)
* [[`8e2e16721b`](nodejs/node@8e2e16721b)] - **src**: add node\_encoding.cc (James M Snell) [#&#8203;21112](`https://github.com/nodejs/node/pull/21112`)
* [[`39b38754eb`](nodejs/node@39b38754eb)] - **src**: cleanup beforeExit for consistency (James M Snell) [#&#8203;21113](`https://github.com/nodejs/node/pull/21113`)
* [[`314b47d1cf`](nodejs/node@314b47d1cf)] - **(SEMVER-MINOR)** **src**: add Env::profiler\_idle\_notifier\_started() (Timothy Gu) [#&#8203;20876](`https://github.com/nodejs/node/pull/20876`)
* [[`5209ff9562`](nodejs/node@5209ff9562)] - **(SEMVER-MINOR)** **src**: remove unused fields msg\_ and env\_ (Daniel Bevenius) [#&#8203;20876](`https://github.com/nodejs/node/pull/20876`)
* [[`9a734132f9`](nodejs/node@9a734132f9)] - **(SEMVER-MINOR)** **src**: make handle onclose property a Symbol (Anna Henningsen) [#&#8203;20876](`https://github.com/nodejs/node/pull/20876`)
* [[`e6f06807b1`](nodejs/node@e6f06807b1)] - **(SEMVER-MINOR)** **src**: simplify handle closing (Anna Henningsen) [#&#8203;20876](`https://github.com/nodejs/node/pull/20876`)
* [[`65924c70e8`](nodejs/node@65924c70e8)] - **(SEMVER-MINOR)** **src**: remove unused fields isolate\_ (Daniel Bevenius) [#&#8203;20876](`https://github.com/nodejs/node/pull/20876`)
* [[`de7403f813`](nodejs/node@de7403f813)] - **(SEMVER-MINOR)** **src**: cleanup per-isolate state on platform on isolate unregister (Anna Henningsen) [#&#8203;20876](`https://github.com/nodejs/node/pull/20876`)
* [[`ba17c9e46b`](nodejs/node@ba17c9e46b)] - **src**: refactor bootstrap to use bootstrap object (James M Snell) [#&#8203;20917](`https://github.com/nodejs/node/pull/20917`)
* [[`cbdc1fdf44`](nodejs/node@cbdc1fdf44)] - **src, tools**: add check for left leaning pointers (Daniel Bevenius) [#&#8203;21010](`https://github.com/nodejs/node/pull/21010`)
* [[`935309325b`](nodejs/node@935309325b)] - **test**: fix deprecation warning due to util.print (Tobias Nießen) [#&#8203;21265](`https://github.com/nodejs/node/pull/21265`)
* [[`d7ba75f8aa`](nodejs/node@d7ba75f8aa)] - **test**: add test to check colorMode type of Console (Masashi Hirano) [#&#8203;21248](`https://github.com/nodejs/node/pull/21248`)
* [[`0b00172df8`](nodejs/node@0b00172df8)] - **test**: removing unnecessary parameter from assert call (djmgit) [#&#8203;21307](`https://github.com/nodejs/node/pull/21307`)
* [[`dea3ac7bff`](nodejs/node@dea3ac7bff)] - **test**: improve statwatcher async\_hooks test (Anna Henningsen) [#&#8203;21244](`https://github.com/nodejs/node/pull/21244`)
* [[`792335f712`](nodejs/node@792335f712)] - **test**: add workerdata-sharedarraybuffer test (Jeremiah Senkpiel) [#&#8203;21180](`https://github.com/nodejs/node/pull/21180`)
* [[`e8d15cb149`](nodejs/node@e8d15cb149)] - **test**: mark test-inspector-port-zero-cluster flaky (Rich Trott) [#&#8203;21251](`https://github.com/nodejs/node/pull/21251`)
* [[`688bdfef7f`](nodejs/node@688bdfef7f)] - **test**: add crypto check to test-http2-debug (Daniel Bevenius) [#&#8203;21205](`https://github.com/nodejs/node/pull/21205`)
* [[`2270ab2a12`](nodejs/node@2270ab2a12)] - **test**: remove string literals from assert.strictEqual() calls (James Kylstra) [#&#8203;21211](`https://github.com/nodejs/node/pull/21211`)
* [[`187951c0fc`](nodejs/node@187951c0fc)] - **test**: move inspector-stress-http to sequential (Rich Trott) [#&#8203;21227](`https://github.com/nodejs/node/pull/21227`)
* [[`bda34ea203`](nodejs/node@bda34ea203)] - **test**: check gc does not resurrect the loop (Anatoli Papirovski) [#&#8203;21093](`https://github.com/nodejs/node/pull/21093`)
* [[`4d782c4720`](nodejs/node@4d782c4720)] - **test**: improve assert error messages (Hristijan Gjorgjievski) [#&#8203;21160](`https://github.com/nodejs/node/pull/21160`)
* [[`2655c7b194`](nodejs/node@2655c7b194)] - **test**: mark fs-readfile-tostring-fail flaky for all (Rich Trott) [#&#8203;21177](`https://github.com/nodejs/node/pull/21177`)
* [[`17954c2b01`](nodejs/node@17954c2b01)] - **test**: improve internal/buffer.js test coverage (Masashi Hirano) [#&#8203;21061](`https://github.com/nodejs/node/pull/21061`)
* [[`2ff4704447`](nodejs/node@2ff4704447)] - **test**: move test-readuint to test-buffer-readuint (Michaël Zasso) [#&#8203;21170](`https://github.com/nodejs/node/pull/21170`)
* [[`9c3a7bf076`](nodejs/node@9c3a7bf076)] - **test**: make url-util-format engine agnostic (Rich Trott) [#&#8203;21141](`https://github.com/nodejs/node/pull/21141`)
* [[`3d8ec8f85c`](nodejs/node@3d8ec8f85c)] - **test**: make url-parse-invalid-input engine agnostic (Rich Trott) [#&#8203;21132](`https://github.com/nodejs/node/pull/21132`)
* [[`0b0370f884`](nodejs/node@0b0370f884)] - **test**: remove unref in http2 test (Anatoli Papirovski) [#&#8203;21145](`https://github.com/nodejs/node/pull/21145`)
* [[`14a017cf8d`](nodejs/node@14a017cf8d)] - **test**: apply promises API to fourth appendFile test (Rich Trott) [#&#8203;21131](`https://github.com/nodejs/node/pull/21131`)
* [[`aa9dbf666b`](nodejs/node@aa9dbf666b)] - **test**: apply promises API to fourth appendFile test (Rich Trott) [#&#8203;21131](`https://github.com/nodejs/node/pull/21131`)
* [[`185b9e45d3`](nodejs/node@185b9e45d3)] - **test**: apply promises API to third appendFile test (Rich Trott) [#&#8203;21131](`https://github.com/nodejs/node/pull/21131`)
* [[`c400448e85`](nodejs/node@c400448e85)] - **test**: improve debug output in trace-events test (Rich Trott) [#&#8203;21120](`https://github.com/nodejs/node/pull/21120`)
* [[`a4ad9891e3`](nodejs/node@a4ad9891e3)] - **test**: add test for Linux perf (Matheus Marchini) [#&#8203;20783](`https://github.com/nodejs/node/pull/20783`)
* [[`e16036c462`](nodejs/node@e16036c462)] - **test**: create new directory v8-updates (Matheus Marchini) [#&#8203;20783](`https://github.com/nodejs/node/pull/20783`)
* [[`93ce63c89f`](nodejs/node@93ce63c89f)] - **(SEMVER-MINOR)** **test**: add test against unsupported worker features (Timothy Gu) [#&#8203;20876](`https://github.com/nodejs/node/pull/20876`)
* [[`94dcdfb898`](nodejs/node@94dcdfb898)] - **test**: increase coverage for fs.promises.truncate (Masashi Hirano) [#&#8203;20638](`https://github.com/nodejs/node/pull/20638`)
* [[`c9cee63179`](nodejs/node@c9cee63179)] - **test,tools**: refactor custom ESLint for readability (Rich Trott) [#&#8203;21134](`https://github.com/nodejs/node/pull/21134`)
* [[`ed05d9a821`](nodejs/node@ed05d9a821)] - **(SEMVER-MINOR)** **test,tools**: enable running tests under workers (Anna Henningsen) [#&#8203;20876](`https://github.com/nodejs/node/pull/20876`)
* [[`6285fe94f6`](nodejs/node@6285fe94f6)] - **tools**: do not disable `quotes` rule in .eslintrc.js (Rich Trott) [#&#8203;21338](`https://github.com/nodejs/node/pull/21338`)
* [[`98346de08c`](nodejs/node@98346de08c)] - **tools**: lint doc/\*.md files (Rich Trott) [#&#8203;21361](`https://github.com/nodejs/node/pull/21361`)
* [[`521f8f1d95`](nodejs/node@521f8f1d95)] - **tools**: add BigInt64Array and BigUint64Array to globals (Joyee Cheung) [#&#8203;21255](`https://github.com/nodejs/node/pull/21255`)
* [[`a5c386d1ba`](nodejs/node@a5c386d1ba)] - **tools**: add option to use custom template with js2c.py (Shelley Vohr) [#&#8203;21187](`https://github.com/nodejs/node/pull/21187`)
* [[`7f70fe83ef`](nodejs/node@7f70fe83ef)] - **tools**: add BigInt to globals (Nikolai Vavilov) [#&#8203;21237](`https://github.com/nodejs/node/pull/21237`)
* [[`4e742e379b`](nodejs/node@4e742e379b)] - **tools**: update tooling to work with new macOS CLI … (Rich Trott) [#&#8203;21173](`https://github.com/nodejs/node/pull/21173`)
* [[`ed2b57bcd5`](nodejs/node@ed2b57bcd5)] - **tools**: remove unused global types from type-parser (Rich Trott) [#&#8203;21135](`https://github.com/nodejs/node/pull/21135`)
* [[`d46446afc5`](nodejs/node@d46446afc5)] - **v8**: replace Buffer with FastBuffer in deserialize (Ujjwal Sharma) [#&#8203;21196](`https://github.com/nodejs/node/pull/21196`)
* [[`917960e0a1`](nodejs/node@917960e0a1)] - **win, build**: add documentation support to vcbuild (Bartosz Sosnowski) [#&#8203;19663](`https://github.com/nodejs/node/pull/19663`)
* [[`03fbc9e749`](nodejs/node@03fbc9e749)] - **(SEMVER-MINOR)** **worker**: rename to worker\_threads (Anna Henningsen) [#&#8203;20876](`https://github.com/nodejs/node/pull/20876`)
* [[`9ad42b766e`](nodejs/node@9ad42b766e)] - **(SEMVER-MINOR)** **worker**: improve error (de)serialization (Anna Henningsen) [#&#8203;20876](`https://github.com/nodejs/node/pull/20876`)
* [[`6b1a887aa2`](nodejs/node@6b1a887aa2)] - **(SEMVER-MINOR)** **worker**: enable stdio (Anna Henningsen) [#&#8203;20876](`https://github.com/nodejs/node/pull/20876`)
* [[`c97fb91e55`](nodejs/node@c97fb91e55)] - **(SEMVER-MINOR)** **worker**: restrict supported extensions (Timothy Gu) [#&#8203;20876](`https://github.com/nodejs/node/pull/20876`)
* [[`109c92e8fa`](nodejs/node@109c92e8fa)] - **(SEMVER-MINOR)** **worker**: initial implementation (Anna Henningsen) [#&#8203;20876](`https://github.com/nodejs/node/pull/20876`)
* [[`d1f372f052`](nodejs/node@d1f372f052)] - **(SEMVER-MINOR)** **worker**: add `SharedArrayBuffer` sharing (Anna Henningsen) [#&#8203;20876](`https://github.com/nodejs/node/pull/20876`)
* [[`f447acd87b`](nodejs/node@f447acd87b)] - **(SEMVER-MINOR)** **worker**: support MessagePort passing in messages (Anna Henningsen) [#&#8203;20876](`https://github.com/nodejs/node/pull/20876`)
* [[`337be58ee6`](nodejs/node@337be58ee6)] - **(SEMVER-MINOR)** **worker**: implement `MessagePort` and `MessageChannel` (Anna Henningsen) [#&#8203;20876](`https://github.com/nodejs/node/pull/20876`)
* [[`4a54ebc3bd`](nodejs/node@4a54ebc3bd)] - **worker,src**: display remaining handles if `uv\_loop\_close` fails (Anna Henningsen) [#&#8203;21238](`https://github.com/nodejs/node/pull/21238`)
* [[`529d24e3e8`](nodejs/node@529d24e3e8)] - ***Revert*** "**workers,trace_events**: set thread name for workers" (James M Snell) [#&#8203;21363](`https://github.com/nodejs/node/pull/21363`)
* [[`dfb5cf6963`](nodejs/node@dfb5cf6963)] - **workers,trace_events**: set thread name for workers (James M Snell) [#&#8203;21246](`https://github.com/nodejs/node/pull/21246`)

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