lukechilds/node - node - Gitea: Git with a cup of tea

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Author SHA1 Message Date

Author	SHA1	Message	Date
Sakthipriyan Vairamani (thefourtheye)	720d01f006	buffer: convert offset & length to int properly As per ecma-262 2015's #sec-%typedarray%-buffer-byteoffset-length, `offset` would be an integer, not a 32 bit unsigned integer. Also, `length` would be an integer with the maximum value of 2^53 - 1, not a 32 bit unsigned integer. This would be a problem because, if we create a buffer from an arraybuffer, from an offset which is greater than 2^32, it would be actually pointing to a different location in arraybuffer. For example, if we use 2^40 as offset, then the actual value used will be 0, because `byteOffset >>>= 0` will convert `byteOffset` to a 32 bit unsigned int, which is based on 2^32 modulo. This is a redo, as the `ca37fa527f` broke CI. Refer: https://github.com/nodejs/node/pull/9814 Refer: https://github.com/nodejs/node/pull/9492 PR-URL: https://github.com/nodejs/node/pull/9815 Reviewed-By: Michaël Zasso <targos@protonmail.com> Reviewed-By: Trevor Norris <trev.norris@gmail.com> Reviewed-By: James M Snell <jasnell@gmail.com> Reviewed-By: Colin Ihrig <cjihrig@gmail.com> Reviewed-By: Matteo Collina <matteo.collina@gmail.com>	8 years ago
Rich Trott	6b2aa1a2b9	Revert "buffer: convert offset & length to int properly" This reverts commit `ca37fa527f`. A test provided by the commit fails on most (but not all) platforms on CI. PR-URL: https://github.com/nodejs/node/pull/9814 Ref: https://github.com/nodejs/node/pull/9492 Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl> Reviewed-By: Colin Ihrig <cjihrig@gmail.com> Reviewed-By: Michaël Zasso <targos@protonmail.com> Reviewed-By: Сковорода Никита Андреевич <chalkerx@gmail.com>	8 years ago
Sakthipriyan Vairamani (thefourtheye)	ca37fa527f	buffer: convert offset & length to int properly As per ecma-262 2015's #sec-%typedarray%-buffer-byteoffset-length, `offset` would be an integer, not a 32 bit unsigned integer. Also, `length` would be an integer with the maximum value of 2^53 - 1, not a 32 bit unsigned integer. This would be a problem because, if we create a buffer from an arraybuffer, from an offset which is greater than 2^32, it would be actually pointing to a different location in arraybuffer. For example, if we use 2^40 as offset, then the actual value used will be 0, because `byteOffset >>>= 0` will convert `byteOffset` to a 32 bit unsigned int, which is based on 2^32 modulo. PR-URL: https://github.com/nodejs/node/pull/9492 Reviewed-By: Colin Ihrig <cjihrig@gmail.com> Reviewed-By: James M Snell <jasnell@gmail.com> Reviewed-By: Trevor Norris <trev.norris@gmail.com>	8 years ago

Sakthipriyan Vairamani (thefourtheye)

720d01f006

buffer: convert offset & length to int properly

As per ecma-262 2015's #sec-%typedarray%-buffer-byteoffset-length,
`offset` would be an integer, not a 32 bit unsigned integer. Also,
`length` would be an integer with the maximum value of 2^53 - 1, not a
32 bit unsigned integer.

This would be a problem because, if we create a buffer from an
arraybuffer, from an offset which is greater than 2^32, it would be
actually pointing to a different location in arraybuffer. For example,
if we use 2^40 as offset, then the actual value used will be 0,
because `byteOffset >>>= 0` will convert `byteOffset` to a 32 bit
unsigned int, which is based on 2^32 modulo.

This is a redo, as the ca37fa527f broke
CI.

Refer: https://github.com/nodejs/node/pull/9814
Refer: https://github.com/nodejs/node/pull/9492

PR-URL: https://github.com/nodejs/node/pull/9815

Reviewed-By: Michaël Zasso <targos@protonmail.com>
Reviewed-By: Trevor Norris <trev.norris@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>

8 years ago

Rich Trott

6b2aa1a2b9

Revert "buffer: convert offset & length to int properly"

This reverts commit ca37fa527f.

A test provided by the commit fails on most (but not all) platforms on
CI.

PR-URL: https://github.com/nodejs/node/pull/9814
Ref: https://github.com/nodejs/node/pull/9492
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Michaël Zasso <targos@protonmail.com>
Reviewed-By: Сковорода Никита Андреевич <chalkerx@gmail.com>

8 years ago

Sakthipriyan Vairamani (thefourtheye)

ca37fa527f

buffer: convert offset & length to int properly

As per ecma-262 2015's #sec-%typedarray%-buffer-byteoffset-length,
`offset` would be an integer, not a 32 bit unsigned integer. Also,
`length` would be an integer with the maximum value of 2^53 - 1, not a
32 bit unsigned integer.

This would be a problem because, if we create a buffer from an
arraybuffer, from an offset which is greater than 2^32, it would be
actually pointing to a different location in arraybuffer. For example,
if we use 2^40 as offset, then the actual value used will be 0,
because `byteOffset >>>= 0` will convert `byteOffset` to a 32 bit
unsigned int, which is based on 2^32 modulo.

PR-URL: https://github.com/nodejs/node/pull/9492

Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Trevor Norris <trev.norris@gmail.com>

8 years ago

3 Commits (e494e427c93a55d8f716e9d771324bc5837c79a8)