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os: Read of a device driver fails only with Go 1.20 [1.20 backport] #60217

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gopherbot opened this issue May 16, 2023 · 4 comments
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os: Read of a device driver fails only with Go 1.20 [1.20 backport] #60217

gopherbot opened this issue May 16, 2023 · 4 comments
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CherryPickApproved Used during the release process for point releases
Milestone
Go1.20.5

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@gopherbot
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@ianlancetaylor requested issue #60211 to be considered for backport to the next 1.20 minor release.

@gopherbot Please open backport for 1.20.

This is an edge case that broke in the 1.20 release.
@gopherbot gopherbot added the CherryPickCandidate Used during the release process for point releases label May 16, 2023
@gopherbot gopherbot mentioned this issue May 16, 2023
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@gopherbot gopherbot added this to the Go1.20.5 milestone May 16, 2023
@heschi heschi added the CherryPickApproved Used during the release process for point releases label May 17, 2023
@gopherbot gopherbot removed the CherryPickCandidate Used during the release process for point releases label May 17, 2023
@gopherbot
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Change https://go.dev/cl/496015 mentions this issue: [release-branch.go1.20] os: if descriptor is non-blocking, retain that in Fd method

@gopherbot
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Closed by merging 9270e3b to release-branch.go1.20.

gopherbot pushed a commit that referenced this issue May 18, 2023
@ianlancetaylor @gopherbot
[release-branch.go1.20] os: if descriptor is non-blocking, retain tha…
9270e3b 
…t in Fd method

For #58408
For #60211
Fixes #60217

Change-Id: I30f5678b46e15121865b19d1c0f82698493fad4e
Reviewed-on: https://go-review.googlesource.com/c/go/+/495079
Run-TryBot: Ian Lance Taylor <iant@golang.org>
Reviewed-by: Ian Lance Taylor <iant@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Bryan Mills <bcmills@google.com>
Auto-Submit: Ian Lance Taylor <iant@google.com>
Run-TryBot: Ian Lance Taylor <iant@google.com>
(cherry picked from commit f777726)
Reviewed-on: https://go-review.googlesource.com/c/go/+/496015
Reviewed-by: Heschi Kreinick <heschi@google.com>
Auto-Submit: Heschi Kreinick <heschi@google.com>
@gopherbot
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Change https://go.dev/cl/496715 mentions this issue: [release-branch.go1.20] net, os: net.Conn.File.Fd should return a blocking descriptor

gopherbot pushed a commit that referenced this issue May 23, 2023
@ianlancetaylor @gopherbot
[release-branch.go1.20] net, os: net.Conn.File.Fd should return a blo…
31a1e19 
…cking descriptor

Historically net.Conn.File.Fd has returned a descriptor in blocking mode.
That was broken by CL 495079, which changed the behavior for os.OpenFile
and os.NewFile without intending to affect net.Conn.File.Fd.
Use a hidden os entry point to preserve the historical behavior,
to ensure backward compatibility.

For #58408
For #60211
For #60217

Change-Id: I8d14b9296070ddd52bb8940cb88c6a8b2dc28c27
Reviewed-on: https://go-review.googlesource.com/c/go/+/496080
Run-TryBot: Ian Lance Taylor <iant@google.com>
Reviewed-by: Bryan Mills <bcmills@google.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Run-TryBot: Ian Lance Taylor <iant@golang.org>
Auto-Submit: Ian Lance Taylor <iant@google.com>
(cherry picked from commit b950cc8)
Reviewed-on: https://go-review.googlesource.com/c/go/+/496715
bradfitz pushed a commit to tailscale/go that referenced this issue May 25, 2023
@ianlancetaylor @bradfitz
[release-branch.go1.20] os: if descriptor is non-blocking, retain tha…
b94298b 
…t in Fd method

For golang#58408
For golang#60211
Fixes golang#60217

Change-Id: I30f5678b46e15121865b19d1c0f82698493fad4e
Reviewed-on: https://go-review.googlesource.com/c/go/+/495079
Run-TryBot: Ian Lance Taylor <iant@golang.org>
Reviewed-by: Ian Lance Taylor <iant@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Bryan Mills <bcmills@google.com>
Auto-Submit: Ian Lance Taylor <iant@google.com>
Run-TryBot: Ian Lance Taylor <iant@google.com>
(cherry picked from commit f777726)
Reviewed-on: https://go-review.googlesource.com/c/go/+/496015
Reviewed-by: Heschi Kreinick <heschi@google.com>
Auto-Submit: Heschi Kreinick <heschi@google.com>
bradfitz pushed a commit to tailscale/go that referenced this issue May 25, 2023
@ianlancetaylor @bradfitz
[release-branch.go1.20] net, os: net.Conn.File.Fd should return a blo…
4b620f6 
…cking descriptor

Historically net.Conn.File.Fd has returned a descriptor in blocking mode.
That was broken by CL 495079, which changed the behavior for os.OpenFile
and os.NewFile without intending to affect net.Conn.File.Fd.
Use a hidden os entry point to preserve the historical behavior,
to ensure backward compatibility.

For golang#58408
For golang#60211
For golang#60217

Change-Id: I8d14b9296070ddd52bb8940cb88c6a8b2dc28c27
Reviewed-on: https://go-review.googlesource.com/c/go/+/496080
Run-TryBot: Ian Lance Taylor <iant@google.com>
Reviewed-by: Bryan Mills <bcmills@google.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Run-TryBot: Ian Lance Taylor <iant@golang.org>
Auto-Submit: Ian Lance Taylor <iant@google.com>
(cherry picked from commit b950cc8)
Reviewed-on: https://go-review.googlesource.com/c/go/+/496715
bradfitz pushed a commit to tailscale/go that referenced this issue May 25, 2023
@ianlancetaylor @bradfitz
[release-branch.go1.20] os: if descriptor is non-blocking, retain tha…
509c58a 
…t in Fd method

For golang#58408
For golang#60211
Fixes golang#60217

Change-Id: I30f5678b46e15121865b19d1c0f82698493fad4e
Reviewed-on: https://go-review.googlesource.com/c/go/+/495079
Run-TryBot: Ian Lance Taylor <iant@golang.org>
Reviewed-by: Ian Lance Taylor <iant@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Bryan Mills <bcmills@google.com>
Auto-Submit: Ian Lance Taylor <iant@google.com>
Run-TryBot: Ian Lance Taylor <iant@google.com>
(cherry picked from commit f777726)
Reviewed-on: https://go-review.googlesource.com/c/go/+/496015
Reviewed-by: Heschi Kreinick <heschi@google.com>
Auto-Submit: Heschi Kreinick <heschi@google.com>
bradfitz pushed a commit to tailscale/go that referenced this issue May 25, 2023
@ianlancetaylor @bradfitz
[release-branch.go1.20] net, os: net.Conn.File.Fd should return a blo…
18b7f84 
…cking descriptor

Historically net.Conn.File.Fd has returned a descriptor in blocking mode.
That was broken by CL 495079, which changed the behavior for os.OpenFile
and os.NewFile without intending to affect net.Conn.File.Fd.
Use a hidden os entry point to preserve the historical behavior,
to ensure backward compatibility.

For golang#58408
For golang#60211
For golang#60217

Change-Id: I8d14b9296070ddd52bb8940cb88c6a8b2dc28c27
Reviewed-on: https://go-review.googlesource.com/c/go/+/496080
Run-TryBot: Ian Lance Taylor <iant@google.com>
Reviewed-by: Bryan Mills <bcmills@google.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Run-TryBot: Ian Lance Taylor <iant@golang.org>
Auto-Submit: Ian Lance Taylor <iant@google.com>
(cherry picked from commit b950cc8)
Reviewed-on: https://go-review.googlesource.com/c/go/+/496715
@gopherbot
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Change https://go.dev/cl/499297 mentions this issue: [release-branch.go1.20] net: skip TestFileFdBlocks if the "unix" network is not supported

gopherbot pushed a commit that referenced this issue May 30, 2023
@gopherbot
[release-branch.go1.20] net: skip TestFileFdBlocks if the "unix" netw…
5036ba7 
…ork is not supported

This may fix the android failures observed starting at CL 496715, such
as the one in
https://build.golang.org/log/a92cc6d5fa36bc31858631bacf2d8eacd93709a6.

For #60217.

Change-Id: I4e8eaf9890da269bd1758f59a29fa2a8131d8ae6
Reviewed-on: https://go-review.googlesource.com/c/go/+/496955
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@google.com>
Run-TryBot: Bryan Mills <bcmills@google.com>
Auto-Submit: Bryan Mills <bcmills@google.com>
(cherry picked from commit 10fbd92)
Reviewed-on: https://go-review.googlesource.com/c/go/+/499297
Reviewed-by: Bryan Mills <bcmills@google.com>
Auto-Submit: Dmitri Shuralyov <dmitshur@google.com>
Run-TryBot: Dmitri Shuralyov <dmitshur@google.com>
@hawkingrei hawkingrei mentioned this issue Jun 7, 2023
Closed
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