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buffer,doc: Throw error instead of assert when buffer too large #40243

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buffer,doc: Throw error instead of assert when buffer too large #40243

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rayw000
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@rayw000 rayw000 commented Sep 28, 2021 •
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What changed

  1. Throw error instead of assertion when buffer is too large. Users can somehow reach the assertion, i.e. const buffer = v8.serialize(<huge object>). In this case, an exception would be better than assertion.
  2. Update document.

Additional: https://chromium-review.googlesource.com/c/v8/v8/+/3170411

Maybe fix: #40059

@nodejs-github-bot nodejs-github-bot added buffer Issues and PRs related to the buffer subsystem. c++ Issues and PRs that require attention from people who are familiar with C++. needs-ci PRs that need a full CI run. labels Sep 28, 2021
@rayw000 rayw000 changed the title Throw error instead of assert when buffer too large buffer+doc: Throw error instead of assert when buffer too large Sep 29, 2021
@rayw000 rayw000 changed the title buffer+doc: Throw error instead of assert when buffer too large buffer,doc: Throw error instead of assert when buffer too large Sep 29, 2021
@rayw000 rayw000 mentioned this pull request Sep 29, 2021
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tniessen
tniessen reviewed Oct 4, 2021
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@rayw000 rayw000 requested a review from tniessen October 5, 2021 01:11
@Mesteery Mesteery 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 Oct 12, 2021
@github-actions github-actions bot removed the request-ci Add this label to start a Jenkins CI on a PR. label Oct 12, 2021
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CI: https://ci.nodejs.org/job/node-test-pull-request/40262/

@Mesteery Mesteery added aix Issues and PRs related to the AIX platform. author ready PRs that have at least one approval, no pending requests for changes, and a CI started. and removed aix Issues and PRs related to the AIX platform. labels Oct 13, 2021
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rayw000 commented Oct 13, 2021

Hi @Mesteery

I'm not sure that I fully understand the error report CI gives. Some of them are timeout and others are no test.
Perhaps a retrying could fix it?

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I think these are flaky tests, they are not related to this PR.

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CI: https://ci.nodejs.org/job/node-test-pull-request/40283/

@github-actions github-actions bot mentioned this pull request Oct 14, 2021
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@rayw000 rayw000 mentioned this pull request Oct 14, 2021
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targos pushed a commit that referenced this pull request Oct 23, 2021
@rayw000 @targos
src: throw error instead of assertion
7b49e29 
PR-URL: #40243
Fixes: #40059
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Michaël Zasso <targos@protonmail.com>
targos pushed a commit that referenced this pull request Oct 23, 2021
@rayw000 @targos
doc: describe buffer limit of v8.serialize
14f6c67 
PR-URL: #40243
Fixes: #40059
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Michaël Zasso <targos@protonmail.com>
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targos commented Oct 23, 2021

Landed in c83f47f...14f6c67

@targos targos closed this Oct 23, 2021
targos pushed a commit that referenced this pull request Oct 23, 2021
@rayw000 @targos
src: throw error instead of assertion
396342e 
PR-URL: #40243
Fixes: #40059
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Michaël Zasso <targos@protonmail.com>
targos pushed a commit that referenced this pull request Oct 23, 2021
@rayw000 @targos
doc: describe buffer limit of v8.serialize
305c022 
PR-URL: #40243
Fixes: #40059
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Michaël Zasso <targos@protonmail.com>
@rayw000 rayw000 deleted the throw-error-instead-of-assert-when-buffer-too-large branch October 23, 2021 07:19
@targos targos mentioned this pull request Nov 8, 2021
Merged
BethGriggs pushed a commit that referenced this pull request Nov 24, 2021
@rayw000 @BethGriggs
src: throw error instead of assertion
789fef1 
PR-URL: #40243
Fixes: #40059
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Michaël Zasso <targos@protonmail.com>
BethGriggs pushed a commit that referenced this pull request Nov 24, 2021
@rayw000 @BethGriggs
doc: describe buffer limit of v8.serialize
579f01c 
PR-URL: #40243
Fixes: #40059
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Michaël Zasso <targos@protonmail.com>
@BethGriggs BethGriggs mentioned this pull request Nov 26, 2021
Merged
1 task
kvakil added a commit to kvakil/node that referenced this pull request Jul 22, 2022
@kvakil
buffer: do not leak memory if buffer is too big
d13bc57 
A recent pull request changed this method to throw when the buffer was
too big, but this meant that the `free` finalizer would never get
called, leading to a memory leak.

Included is a test which provokes this behavior using `v8.serialize`.
Technically the behavior is allocator-dependent, but I suspect any
reasonable allocator will choose to free (or at the very least, reuse)
the 1 GiB memory.

Refs: nodejs#40243
@kvakil kvakil mentioned this pull request Jul 22, 2022
Merged
kvakil added a commit to kvakil/node that referenced this pull request Jul 22, 2022
@kvakil
buffer: do not leak memory if buffer is too big
4c2d9a6 
A recent pull request changed this method to throw when the buffer was
too big, but this meant that the `free` finalizer would never get
called, leading to a memory leak.

Included is a test which provokes this behavior using `v8.serialize`.
Technically the behavior is allocator-dependent, but I suspect any
reasonable allocator will choose to free (or at the very least, reuse)
the 1 GiB memory.

Refs: nodejs#40243
kvakil added a commit to kvakil/node that referenced this pull request Jul 23, 2022
@kvakil
buffer: do not leak memory if buffer is too big
c949bf1 
A recent pull request changed this method to throw when the buffer was
too big, but this meant that the `free` finalizer would never get
called, leading to a memory leak.

A previous version of this diff included a test provoking this behavior
with `v8.serialize`, but it unfortunately kept triggering the OOM
killer, so it was removed.

Refs: nodejs#40243
nodejs-github-bot pushed a commit that referenced this pull request Jul 24, 2022
@kvakil
buffer: do not leak memory if buffer is too big
e8e92ec 
A recent pull request changed this method to throw when the buffer was
too big, but this meant that the `free` finalizer would never get
called, leading to a memory leak.

A previous version of this diff included a test provoking this behavior
with `v8.serialize`, but it unfortunately kept triggering the OOM
killer, so it was removed.

Refs: #40243

PR-URL: #43938
Reviewed-By: Darshan Sen <raisinten@gmail.com>
Reviewed-By: Tobias Nießen <tniessen@tnie.de>
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
danielleadams pushed a commit that referenced this pull request Jul 26, 2022
@kvakil @danielleadams
buffer: do not leak memory if buffer is too big
0783ddf 
A recent pull request changed this method to throw when the buffer was
too big, but this meant that the `free` finalizer would never get
called, leading to a memory leak.

A previous version of this diff included a test provoking this behavior
with `v8.serialize`, but it unfortunately kept triggering the OOM
killer, so it was removed.

Refs: #40243

PR-URL: #43938
Reviewed-By: Darshan Sen <raisinten@gmail.com>
Reviewed-By: Tobias Nießen <tniessen@tnie.de>
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
targos pushed a commit that referenced this pull request Jul 31, 2022
@kvakil @targos
buffer: do not leak memory if buffer is too big
0f3f2c9 
A recent pull request changed this method to throw when the buffer was
too big, but this meant that the `free` finalizer would never get
called, leading to a memory leak.

A previous version of this diff included a test provoking this behavior
with `v8.serialize`, but it unfortunately kept triggering the OOM
killer, so it was removed.

Refs: #40243

PR-URL: #43938
Reviewed-By: Darshan Sen <raisinten@gmail.com>
Reviewed-By: Tobias Nießen <tniessen@tnie.de>
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
targos pushed a commit that referenced this pull request Jul 31, 2022
@kvakil @targos
buffer: do not leak memory if buffer is too big
105453b 
A recent pull request changed this method to throw when the buffer was
too big, but this meant that the `free` finalizer would never get
called, leading to a memory leak.

A previous version of this diff included a test provoking this behavior
with `v8.serialize`, but it unfortunately kept triggering the OOM
killer, so it was removed.

Refs: #40243

PR-URL: #43938
Reviewed-By: Darshan Sen <raisinten@gmail.com>
Reviewed-By: Tobias Nießen <tniessen@tnie.de>
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
targos pushed a commit that referenced this pull request Aug 1, 2022
@kvakil @targos
buffer: do not leak memory if buffer is too big
60d032b 
A recent pull request changed this method to throw when the buffer was
too big, but this meant that the `free` finalizer would never get
called, leading to a memory leak.

A previous version of this diff included a test provoking this behavior
with `v8.serialize`, but it unfortunately kept triggering the OOM
killer, so it was removed.

Refs: #40243

PR-URL: #43938
Reviewed-By: Darshan Sen <raisinten@gmail.com>
Reviewed-By: Tobias Nießen <tniessen@tnie.de>
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
Fyko pushed a commit to Fyko/node that referenced this pull request Sep 15, 2022
@kvakil @Fyko
buffer: do not leak memory if buffer is too big
020f246 
A recent pull request changed this method to throw when the buffer was
too big, but this meant that the `free` finalizer would never get
called, leading to a memory leak.

A previous version of this diff included a test provoking this behavior
with `v8.serialize`, but it unfortunately kept triggering the OOM
killer, so it was removed.

Refs: nodejs#40243

PR-URL: nodejs#43938
Reviewed-By: Darshan Sen <raisinten@gmail.com>
Reviewed-By: Tobias Nießen <tniessen@tnie.de>
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
guangwong pushed a commit to noslate-project/node that referenced this pull request Oct 10, 2022
@kvakil @guangwong
buffer: do not leak memory if buffer is too big
b3e5d52 
A recent pull request changed this method to throw when the buffer was
too big, but this meant that the `free` finalizer would never get
called, leading to a memory leak.

A previous version of this diff included a test provoking this behavior
with `v8.serialize`, but it unfortunately kept triggering the OOM
killer, so it was removed.

Refs: nodejs/node#40243

PR-URL: nodejs/node#43938
Reviewed-By: Darshan Sen <raisinten@gmail.com>
Reviewed-By: Tobias Nießen <tniessen@tnie.de>
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
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@targos targos targos approved these changes

@jasnell jasnell jasnell approved these changes

@tniessen tniessen Awaiting requested review from tniessen

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Document (or fix?) v8.deserialize' 2gb limitation for input buffer
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