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reflect: ArrayOf allows negative length #43603

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mdempsky opened this issue Jan 9, 2021 · 4 comments
Closed

reflect: ArrayOf allows negative length #43603

mdempsky opened this issue Jan 9, 2021 · 4 comments
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FrozenDueToAge NeedsFix The path to resolution is known, but the work has not been done.
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Go1.17

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@mdempsky
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mdempsky commented Jan 9, 2021

This program should probably panic instead of printing [-100]uint8: https://play.golang.org/p/gnjsjBoKNvQ

/cc @griesemer @ianlancetaylor
@mdempsky mdempsky added the NeedsDecision Feedback is required from experts, contributors, and/or the community before a change can be made. label Jan 9, 2021
@griesemer griesemer added this to the Go1.17 milestone Jan 9, 2021
@mdempsky mdempsky mentioned this issue Jan 9, 2021
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@ianlancetaylor
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I agree that this should panic.

@bcmills bcmills added the NeedsFix The path to resolution is known, but the work has not been done. label Jan 11, 2021
@gopherbot gopherbot removed the NeedsDecision Feedback is required from experts, contributors, and/or the community before a change can be made. label Jan 11, 2021
@tpaschalis
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I'll take a stab if there's no objection!

@mdempsky
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@tpaschalis No objection. I think this should be a pretty straightforward issue to fix. Thanks.

@gopherbot
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Change https://golang.org/cl/284136 mentions this issue: reflect: panic if ArrayOf is called with negative count

@golang golang locked and limited conversation to collaborators Mar 16, 2022
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FrozenDueToAge NeedsFix The path to resolution is known, but the work has not been done.
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Go1.17
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@mdempsky @ianlancetaylor @bcmills @griesemer @gopherbot @tpaschalis