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path/filepath: Clean removes ending slash for volume on Windows in Go 1.21.4 [1.21 backport] #64041

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gopherbot opened this issue Nov 9, 2023 · 3 comments
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path/filepath: Clean removes ending slash for volume on Windows in Go 1.21.4 [1.21 backport] #64041

gopherbot opened this issue Nov 9, 2023 · 3 comments
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CherryPickApproved Used during the release process for point releases release-blocker Security
Milestone
Go1.21.5

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@gopherbot
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@bcmills requested issue #64028 to be considered for backport to the next 1.21 minor release.

@gopherbot, please backport to Go 1.21 and maybe 1.20. This appears to be a regression introduced in a security release.
@gopherbot gopherbot added the CherryPickCandidate Used during the release process for point releases label Nov 9, 2023
@gopherbot gopherbot mentioned this issue Nov 9, 2023
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@gopherbot gopherbot added this to the Go1.21.5 milestone Nov 9, 2023
thaJeztah pushed a commit to thaJeztah/go that referenced this issue Nov 13, 2023
@neild @thaJeztah
[release-branch.go1.21] path/filepath: consider \\?\c: as a volume on…
6405c22 
… Windows

While fixing several bugs in path handling on Windows,
beginning with \\?\.

Prior to #540277, VolumeName considered the first path component
after the \\?\ prefix to be part of the volume name.
After, it considered only the \\? prefix to be the volume name.

Restore the previous behavior.

Fixes golang#64041
Updates golang#64028

Change-Id: I6523789e61776342800bd607fb3f29d496257e68
Reviewed-on: https://go-review.googlesource.com/c/go/+/541175
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Roland Shoemaker <roland@golang.org>
(cherry picked from commit eda42f7)
Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
thaJeztah pushed a commit to thaJeztah/go that referenced this issue Nov 13, 2023
@neild @thaJeztah
[release-branch.go1.21] path/filepath: consider \\?\c: as a volume on…
db1f17a 
… Windows

While fixing several bugs in path handling on Windows,
beginning with \\?\.

Prior to #540277, VolumeName considered the first path component
after the \\?\ prefix to be part of the volume name.
After, it considered only the \\? prefix to be the volume name.

Restore the previous behavior.

Fixes golang#64041
Updates golang#64028

Change-Id: I6523789e61776342800bd607fb3f29d496257e68
Reviewed-on: https://go-review.googlesource.com/c/go/+/541175
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Roland Shoemaker <roland@golang.org>
(cherry picked from commit eda42f7)
@thaJeztah thaJeztah mentioned this issue Nov 13, 2023
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@gopherbot
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Change https://go.dev/cl/541521 mentions this issue: [release-branch.go1.21] path/filepath: consider \\?\c: as a volume on Windows

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@heschi heschi added the CherryPickApproved Used during the release process for point releases label Nov 15, 2023
@gopherbot gopherbot removed the CherryPickCandidate Used during the release process for point releases label Nov 15, 2023
@gopherbot
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Closed by merging 8caf4bb to release-branch.go1.21.

gopherbot pushed a commit that referenced this issue Nov 28, 2023
@neild @gopherbot
[release-branch.go1.21] path/filepath: consider \\?\c: as a volume on…
8caf4bb 
… Windows

While fixing several bugs in path handling on Windows,
beginning with \\?\.

Prior to #540277, VolumeName considered the first path component
after the \\?\ prefix to be part of the volume name.
After, it considered only the \\? prefix to be the volume name.

Restore the previous behavior.

For #64028.
Fixes #64041.

Change-Id: I6523789e61776342800bd607fb3f29d496257e68
Reviewed-on: https://go-review.googlesource.com/c/go/+/541175
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Roland Shoemaker <roland@golang.org>
(cherry picked from commit eda42f7)
Reviewed-on: https://go-review.googlesource.com/c/go/+/541521
Reviewed-by: Damien Neil <dneil@google.com>
Auto-Submit: Dmitri Shuralyov <dmitshur@google.com>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
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