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bytes: IndexByte can return -4294967295 when memory usage is above 2^31 on js/wasm [1.22 backport] #68475

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gopherbot opened this issue Jul 16, 2024 · 2 comments
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bytes: IndexByte can return -4294967295 when memory usage is above 2^31 on js/wasm [1.22 backport] #68475

gopherbot opened this issue Jul 16, 2024 · 2 comments
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CherryPickApproved Used during the release process for point releases
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Go1.22.6

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@gopherbot
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@randall77 requested issue #65571 to be considered for backport to the next 1.22 minor release.

@gopherbot please open backport issues.

This bug causes {bytes,string}.Index functions to return wrong results when used with very large arguments.
@gopherbot gopherbot added the CherryPickCandidate Used during the release process for point releases label Jul 16, 2024
@gopherbot gopherbot mentioned this issue Jul 16, 2024
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@gopherbot gopherbot added this to the Go1.22.6 milestone Jul 16, 2024
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Change https://go.dev/cl/598975 mentions this issue: [release-branch.go1.22] internal/bytealg: extend memchr result correctly on wasm

@cherrymui cherrymui added the CherryPickApproved Used during the release process for point releases label Jul 17, 2024
@gopherbot gopherbot removed the CherryPickCandidate Used during the release process for point releases label Jul 17, 2024
gopherbot pushed a commit that referenced this issue Jul 17, 2024
@Zxilly @cherrymui
[release-branch.go1.22] internal/bytealg: extend memchr result correc…
9e148a4 
…tly on wasm

The mem address should be regarded as uint32.

Fixes #68475

Change-Id: Icee38d11f2d93eeca7d50b2e133159e321daeb90
GitHub-Last-Rev: c2568b1
GitHub-Pull-Request: #68400
Reviewed-on: https://go-review.googlesource.com/c/go/+/597955
Reviewed-by: Keith Randall <[email protected]>
Reviewed-by: Keith Randall <[email protected]>
Reviewed-by: Cuong Manh Le <[email protected]>
Reviewed-by: Cherry Mui <[email protected]>
LUCI-TryBot-Result: Go LUCI <[email protected]>
(cherry picked from commit 90c6558)
Reviewed-on: https://go-review.googlesource.com/c/go/+/598975
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Closed by merging CL 598975 (commit 9e148a4) to release-branch.go1.22.

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