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src: add proper mutexes for accessing FIPS state #42278

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merged 2 commits into from Apr 3, 2022
Merged

src: add proper mutexes for accessing FIPS state #42278

merged 2 commits into from Apr 3, 2022

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addaleax
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The FIPS state handling and OpenSSL initialization code makes
accesses to global OpenSSL state without any protection against
parallel modifications from multiple threads.

This commit adds such protections.

@addaleax
src: add proper mutexes for accessing FIPS state
095c3e3 
The FIPS state handling and OpenSSL initialization code makes
accesses to global OpenSSL state without any protection against
parallel modifications from multiple threads.

This commit adds such protections.
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Review requested:

  • @nodejs/crypto

@nodejs-github-bot nodejs-github-bot added c++ Issues and PRs that require attention from people who are familiar with C++. crypto Issues and PRs related to the crypto subsystem. needs-ci PRs that need a full CI run. labels Mar 10, 2022
addaleax
addaleax commented Mar 10, 2022
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src/crypto/crypto_util.cc Outdated
Comment on lines 222 to 223
// TODO: This should not be possible to set from worker threads.
// CHECK(env->owns_process_state());
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Left out because this could be seen as a semver-major change. If we don’t think it’s semver-major, I’m happy to add this as well.

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Is it worth doing this for Node.js 18 as a semver-major anyway?

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Yeah, sure. It’s just not quite as important and I didn’t want to make this PR one that wouldn’t be backported.

@addaleax addaleax added request-ci Add this label to start a Jenkins CI on a PR. and removed needs-ci PRs that need a full CI run. labels Mar 10, 2022
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tniessen
tniessen reviewed Mar 10, 2022
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src/crypto/crypto_util.cc
@@ -136,7 +136,13 @@ bool InitCryptoOnce(Isolate* isolate) {
return true;
}

// Protect accesses to FIPS state with a mutex. This should potentially
// be part of a larger mutex for global OpenSSL state.
static Mutex fips_mutex;
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This makes sense for semantic reasons, but is my understanding correct that this is technically not required since per_process::cli_options_mutex will already guarantee mutually exclusive access whenever fips_mutex is used?

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Yes, that is correct as far as the current state of this PR is concerned. 👍

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Thanks for clarifying! 😃

tniessen
tniessen approved these changes Mar 10, 2022
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LGTM with or without fips_mutex.

@tniessen tniessen added the author ready PRs that have at least one approval, no pending requests for changes, and a CI started. label Mar 10, 2022
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@tniessen tniessen added the openssl Issues and PRs related to the OpenSSL dependency. label Mar 10, 2022
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I have no idea what's going on with arm CI...

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@richardlau richardlau added the request-ci Add this label to start a Jenkins CI on a PR. label Apr 3, 2022
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CI: https://ci.nodejs.org/job/node-test-pull-request/43273/

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CI: https://ci.nodejs.org/job/node-test-pull-request/43277/

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CI: https://ci.nodejs.org/job/node-test-pull-request/43285/

@richardlau richardlau added the commit-queue Add this label to land a pull request using GitHub Actions. label Apr 3, 2022
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@nodejs-github-bot nodejs-github-bot merged commit 1c69dfe into nodejs:master Apr 3, 2022
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Landed in 1c69dfe

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@addaleax addaleax deleted the fips-mutexes branch April 4, 2022 09:18
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src/crypto/crypto_util.cc was created as part of a semver-major refactor #35093 so this will need a manual backport to v14.x-staging if it is required there. It would also need a backport for 12.x but since we're not planning any further 12.x releases after tomorrow's release it's probably a bit late to land there.

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juanarbol pushed a commit to juanarbol/node that referenced this pull request Apr 5, 2022
@addaleax @juanarbol
src: add proper mutexes for accessing FIPS state
3084af3 
The FIPS state handling and OpenSSL initialization code makes
accesses to global OpenSSL state without any protection against
parallel modifications from multiple threads.

This commit adds such protections.

PR-URL: nodejs#42278
Reviewed-By: Tobias Nießen <tniessen@tnie.de>
Reviewed-By: Richard Lau <rlau@redhat.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Darshan Sen <raisinten@gmail.com>
This was referenced Apr 5, 2022
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juanarbol pushed a commit that referenced this pull request Apr 6, 2022
@addaleax @juanarbol
src: add proper mutexes for accessing FIPS state
e798e26 
The FIPS state handling and OpenSSL initialization code makes
accesses to global OpenSSL state without any protection against
parallel modifications from multiple threads.

This commit adds such protections.

PR-URL: #42278
Reviewed-By: Tobias Nießen <tniessen@tnie.de>
Reviewed-By: Richard Lau <rlau@redhat.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Darshan Sen <raisinten@gmail.com>
@github-actions github-actions bot mentioned this pull request Apr 7, 2022
Open
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xtx1130 pushed a commit to xtx1130/node that referenced this pull request Apr 25, 2022
@addaleax @xtx1130
src: add proper mutexes for accessing FIPS state
b51a7f7 
The FIPS state handling and OpenSSL initialization code makes
accesses to global OpenSSL state without any protection against
parallel modifications from multiple threads.

This commit adds such protections.

PR-URL: nodejs#42278
Reviewed-By: Tobias Nießen <tniessen@tnie.de>
Reviewed-By: Richard Lau <rlau@redhat.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Darshan Sen <raisinten@gmail.com>
juanarbol pushed a commit that referenced this pull request May 31, 2022
@addaleax @juanarbol
src: add proper mutexes for accessing FIPS state
b3016c7 
The FIPS state handling and OpenSSL initialization code makes
accesses to global OpenSSL state without any protection against
parallel modifications from multiple threads.

This commit adds such protections.

PR-URL: #42278
Reviewed-By: Tobias Nießen <tniessen@tnie.de>
Reviewed-By: Richard Lau <rlau@redhat.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Darshan Sen <raisinten@gmail.com>
@juanarbol juanarbol mentioned this pull request May 31, 2022
Closed
danielleadams pushed a commit that referenced this pull request Jun 27, 2022
@addaleax @danielleadams
src: add proper mutexes for accessing FIPS state
456c186 
The FIPS state handling and OpenSSL initialization code makes
accesses to global OpenSSL state without any protection against
parallel modifications from multiple threads.

This commit adds such protections.

PR-URL: #42278
Reviewed-By: Tobias Nießen <tniessen@tnie.de>
Reviewed-By: Richard Lau <rlau@redhat.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Darshan Sen <raisinten@gmail.com>
targos pushed a commit that referenced this pull request Jul 11, 2022
@addaleax @targos
src: add proper mutexes for accessing FIPS state
4ffc088 
The FIPS state handling and OpenSSL initialization code makes
accesses to global OpenSSL state without any protection against
parallel modifications from multiple threads.

This commit adds such protections.

PR-URL: #42278
Reviewed-By: Tobias Nießen <tniessen@tnie.de>
Reviewed-By: Richard Lau <rlau@redhat.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Darshan Sen <raisinten@gmail.com>
@targos targos mentioned this pull request Aug 3, 2022
Merged
guangwong pushed a commit to noslate-project/node that referenced this pull request Oct 10, 2022
@addaleax @guangwong
src: add proper mutexes for accessing FIPS state
758ab3f 
The FIPS state handling and OpenSSL initialization code makes
accesses to global OpenSSL state without any protection against
parallel modifications from multiple threads.

This commit adds such protections.

PR-URL: nodejs/node#42278
Reviewed-By: Tobias Nießen <tniessen@tnie.de>
Reviewed-By: Richard Lau <rlau@redhat.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Darshan Sen <raisinten@gmail.com>
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@tniessen tniessen tniessen approved these changes

@richardlau richardlau richardlau approved these changes

@jasnell jasnell jasnell approved these changes

@RaisinTen RaisinTen RaisinTen approved these changes

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