Backport «buffer: ignore negative allocation lengths» to v5.x#7221
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ChALkeR merged 1 commit intonodejs:v5.xfrom Jun 17, 2016
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Backport «buffer: ignore negative allocation lengths» to v5.x#7221ChALkeR merged 1 commit intonodejs:v5.xfrom
ChALkeR merged 1 commit intonodejs:v5.xfrom
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Just curious, why have we started blocking when no block-scope variables are being used?
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@trevnorris Someone suggested it to make sure that the last call in the block here wouldn’t be accidentally moved around in the file/away from the preceding calls that made it fail
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Treat negative length arguments to `Buffer()`/`allocUnsafe()` as if they were zero so the allocation does not affect the pool’s offset. Fixes: nodejs#7047 Refs: nodejs#7051 PR-URL: nodejs#7221 Reviewed-By: Trevor Norris <trev.norris@gmail.com> Reviewed-By: James M Snell <jasnell@gmail.com>
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Jun 19, 2016
Treat negative length arguments to `Buffer()`/`allocUnsafe()` as if they were zero so the allocation does not affect the pool’s offset. Fixes: nodejs#7047 Refs: nodejs#7051 PR-URL: nodejs#7221 Reviewed-By: Trevor Norris <trev.norris@gmail.com> Reviewed-By: James M Snell <jasnell@gmail.com>
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Notable changes: This is a security release. All Node.js users should consult the security release summary at https://nodejs.org/en/blog/vulnerability/june-2016-security-releases for details on patched vulnerabilities. * **buffer** * backport allocUnsafeSlow (Сковорода Никита Андреевич) [#7169](#7169) * ignore negative allocation lengths (Anna Henningsen) [#7221](#7221) * **deps**: backport 3a9bfec from v8 upstream (Ben Noordhuis) [nodejs/node-private#40](https://github.com/nodejs/node-private/pull/40) * Fixes a Buffer overflow vulnerability discovered in v8. More details can be found in the CVE (CVE-2016-1699). PR-URL: https://github.com/nodejs/node-private/pull/51
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Treat negative length arguments to `Buffer()`/`allocUnsafe()` as if they were zero so the allocation does not affect the pool’s offset. Fixes: nodejs#7047 Refs: nodejs#7051 Refs: nodejs#7221 Refs: nodejs#7475 PR-URL: nodejs#7562 Reviewed-By: Trevor Norris <trev.norris@gmail.com> Reviewed-By: James M Snell <jasnell@gmail.com> Reviewed-By: Nikolai Vavilov <vvnicholas@gmail.com>
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Treat negative length arguments to `Buffer()`/`allocUnsafe()` as if they were zero so the allocation does not affect the pool’s offset. Fixes: #7047 Refs: #7051 Refs: #7221 Refs: #7475 PR-URL: #7562 Reviewed-By: Trevor Norris <trev.norris@gmail.com> Reviewed-By: James M Snell <jasnell@gmail.com> Reviewed-By: Nikolai Vavilov <vvnicholas@gmail.com>
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Treat negative length arguments to `Buffer()`/`allocUnsafe()` as if they were zero so the allocation does not affect the pool’s offset. Fixes: #7047 Refs: #7051 Refs: #7221 Refs: #7475 PR-URL: #7562 Reviewed-By: Trevor Norris <trev.norris@gmail.com> Reviewed-By: James M Snell <jasnell@gmail.com> Reviewed-By: Nikolai Vavilov <vvnicholas@gmail.com>
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Treat negative length arguments to `Buffer()`/`allocUnsafe()` as if they were zero so the allocation does not affect the pool’s offset. Fixes: #7047 Refs: #7051 Refs: #7221 Refs: #7475 PR-URL: #7562 Reviewed-By: Trevor Norris <trev.norris@gmail.com> Reviewed-By: James M Snell <jasnell@gmail.com> Reviewed-By: Nikolai Vavilov <vvnicholas@gmail.com>
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Treat negative length arguments to `Buffer()`/`allocUnsafe()` as if they were zero so the allocation does not affect the pool’s offset. Fixes: #7047 Refs: #7051 Refs: #7221 Refs: #7475 PR-URL: #7562 Reviewed-By: Trevor Norris <trev.norris@gmail.com> Reviewed-By: James M Snell <jasnell@gmail.com> Reviewed-By: Nikolai Vavilov <vvnicholas@gmail.com>
MylesBorins
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Treat negative length arguments to `Buffer()`/`allocUnsafe()` as if they were zero so the allocation does not affect the pool’s offset. Fixes: #7047 Refs: #7051 Refs: #7221 Refs: #7475 PR-URL: #7562 Reviewed-By: Trevor Norris <trev.norris@gmail.com> Reviewed-By: James M Snell <jasnell@gmail.com> Reviewed-By: Nikolai Vavilov <vvnicholas@gmail.com>
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Feb 17, 2025
Notable changes: This is a security release. All Node.js users should consult the security release summary at https://nodejs.org/en/blog/vulnerability/june-2016-security-releases for details on patched vulnerabilities. * **buffer** * backport allocUnsafeSlow (Сковорода Никита Андреевич) [#7169](nodejs/node#7169) * ignore negative allocation lengths (Anna Henningsen) [#7221](nodejs/node#7221) * **deps**: backport 3a9bfec from v8 upstream (Ben Noordhuis) [nodejs/node-private#40](https://github.com/nodejs/node-private/pull/40) * Fixes a Buffer overflow vulnerability discovered in v8. More details can be found in the CVE (CVE-2016-1699). PR-URL: https://github.com/nodejs/node-private/pull/51
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This backports #7051 (by @addaleax) to v5.x.
It landed cleanly and is straightforward fix for #7047.
I originally included this in #7169 backport, but that one is semver-minor, and I'm not exactly sure if the next 5.x release will be a semver-minor, but I definitely want this to make it into the next 5.x release.
/cc @jasnell, you already reviewed this backport in #7169, but could you also leave a comment here?
Also /cc @thealphanerd