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Differential D13970

devtools: Correctly extract symbol versions in symbol-check
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Authored by PiRK on Jun 2 2023, 10:42.

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Reviewers
Fabien
Group Reviewers
Restricted Project
Commits
rABC44053f6c488e: devtools: Correctly extract symbol versions in symbol-check
Summary

devtools: Fix verneed section parsing in pixie

I misunderstood the ELF specification for version symbols (verneed):
The vn_aux pointer is relative to the main verneed record, not the
start of the section.

This caused many symbols to not be versioned properly in the return
value of elf.dyn_symbols. This was discovered in #21454.

Fix it by correcting the offset computation.

devtools: Add xkb version to symbol-check

xkb versions symbols (using the prefix V), as this library is used by
bitcoin-qt, add it to the valid versions in symbol-check.py.

devtools: Integrate ARCH_MIN_GLIBC_VER table into MAX_VERSIONS in symbol-check.py

The (ancient) versions specified here were deceptive. Entries older than
MAX_VERSIONS['GLIBC'], which is 2.17, are ignored here. So reorganize
the code to avoid confusion for other people reading this code.

This is a backport of core#22244
Depends on D13962 and D13973

Test Plan

gitian builds

run the guix build for x86_64 linux (which now shows errors in symbol check)

Diff Detail

Repository
rABC Bitcoin ABC
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Unit
Tests Not Applicable

Event Timeline

PiRK created this revision.Jun 2 2023, 10:42
Herald added a reviewer: Restricted Project. · View Herald TranscriptJun 2 2023, 10:42
PiRK requested review of this revision.Jun 2 2023, 10:42
teamcity edited the summary of this revision. (Show Details)Jun 2 2023, 10:42
Harbormaster completed remote builds in B23872: Diff 40544.Jun 2 2023, 10:43
PiRK added a comment.Jun 2 2023, 10:45

@bot gitian-osx gitian-linux gitian-win

teamcity awarded a token.Jun 2 2023, 10:45
PiRK added a child revision: D13971: scripts: use LIEF for ELF security & symbol checks.Jun 2 2023, 10:49
teamcity added a comment.Jun 2 2023, 11:15
Build Bitcoin ABC Diffs / Diff Testing (gitian-osx) failed.

Tail of the build log:

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--- Building for bullseye amd64 ---
Stopping target if it is up
Error response from daemon: No such container: gitian-target
Error: No such container: gitian-target
Making a new image copy
Starting target
Checking if target is up..
Preparing build environment
Updating apt-get repository (log in var/install.log)
Installing additional packages (log in var/install.log)
Upgrading system, may take a while (log in var/install.log)
Creating package manifest
Creating build script (var/build-script)
Running build script (log in var/build.log)
./bin/gbuild:23:in `system!': failed to run on-target setarch x86_64 bash -x < var/build-script > var/build.log 2>&1 (RuntimeError)
	from ./bin/gbuild:185:in `build_one_configuration'
	from ./bin/gbuild:339:in `block (2 levels) in <main>'
	from ./bin/gbuild:334:in `each'
	from ./bin/gbuild:334:in `block in <main>'
	from ./bin/gbuild:332:in `each'
	from ./bin/gbuild:332:in `<main>'
Build gitian-osx failed with exit code 1
teamcity added a comment.Jun 2 2023, 11:25
Build Bitcoin ABC Diffs / Diff Testing (gitian-linux) failed.

Tail of the build log:

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--- Building for bullseye amd64 ---
Stopping target if it is up
Error response from daemon: No such container: gitian-target
Error: No such container: gitian-target
Making a new image copy
Starting target
Checking if target is up.
Preparing build environment
Updating apt-get repository (log in var/install.log)
Installing additional packages (log in var/install.log)
Upgrading system, may take a while (log in var/install.log)
Creating package manifest
Creating build script (var/build-script)
Running build script (log in var/build.log)
./bin/gbuild:23:in `system!': failed to run on-target setarch x86_64 bash -x < var/build-script > var/build.log 2>&1 (RuntimeError)
	from ./bin/gbuild:185:in `build_one_configuration'
	from ./bin/gbuild:339:in `block (2 levels) in <main>'
	from ./bin/gbuild:334:in `each'
	from ./bin/gbuild:334:in `block in <main>'
	from ./bin/gbuild:332:in `each'
	from ./bin/gbuild:332:in `<main>'
Build gitian-linux failed with exit code 1
PiRK planned changes to this revision.Jun 2 2023, 13:03
PiRK updated this revision to Diff 40552.Jun 2 2023, 13:58
PiRK edited the summary of this revision. (Show Details)

rebase and bump glibc to 2.28

Harbormaster completed remote builds in B23876: Diff 40552.Jun 2 2023, 13:58
PiRK added a comment.Jun 2 2023, 13:58

@bot gitian-osx gitian-linux gitian-win

teamcity updated a token.Jun 2 2023, 13:58
PiRK mentioned this in D13973: bump glibc to 2.28.Jun 2 2023, 14:07
PiRK updated this revision to Diff 40556.Jun 2 2023, 14:13
PiRK edited the summary of this revision. (Show Details)
PiRK added a parent revision: D13973: bump glibc to 2.28.

rebase and add dependency

Harbormaster completed remote builds in B23880: Diff 40556.Jun 2 2023, 14:13
Fabien edited the summary of this revision. (Show Details)Jun 2 2023, 16:07
Fabien accepted this revision.Jun 2 2023, 16:09
Fabien added a subscriber: Fabien.
Fabien added inline comments.
contrib/devtools/symbol-check.py
46 ↗(On Diff #40556)

You're missing the comment from the source material.
Without the comment this is impossible to understand. With the comment it's "only" cryptic.

This revision is now accepted and ready to land.Jun 2 2023, 16:09
PiRK mentioned this in rABC3c1ceb86c63c: bump glibc to 2.28.Jun 3 2023, 08:22
Closed by commit rABC44053f6c488e: devtools: Correctly extract symbol versions in symbol-check (authored by W. J. van der Laan <laanwj@protonmail.com>, committed by PiRK). · Explain WhyJun 3 2023, 08:25
This revision was automatically updated to reflect the committed changes.
PiRK added a commit: rABC44053f6c488e: devtools: Correctly extract symbol versions in symbol-check.

Revision Contents
Changeset List

PathSize
contrib/
devtools/
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26 lines

Diff 40568

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contrib/devtools/pixie.py

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contrib/devtools/symbol-check.py

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