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Fix lexer buffer size check #2313

Merged
merged 1 commit into from
Aug 3, 2022
Merged

Fix lexer buffer size check #2313

merged 1 commit into from
Aug 3, 2022

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lenticularis39
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@lenticularis39 lenticularis39 commented Aug 1, 2022 •
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Use YY_BUF_SIZE instead of yyleng to correctly get the size of flex
buffer in recursive macro processing.

Fixes #2304

Checklist
  • Language changes are updated in man/adoc/bpftrace.adoc and if needed in docs/reference_guide.md
  • User-visible and non-trivial changes updated in CHANGELOG.md
  • The new behaviour is covered by tests

@lenticularis39
Fix lexer buffer size check
2d5ecba 
Use YY_BUF_SIZE instead of yyleng to correctly get the size of flex
buffer in recursive macro processing.

Fixes bpftrace#2304
@lenticularis39 lenticularis39 force-pushed the fix-flex-buffer-size-check branch from 01ab87c to 2d5ecba Compare August 1, 2022 08:44
@fbs fbs merged commit 05cfa8e into bpftrace:master Aug 3, 2022
aktau added a commit to aktau/dotfiles that referenced this pull request Aug 8, 2022
@aktau
bpftrace: print clone(2) flags again
04b2730 
The upstream issue is fixed:
bpftrace/bpftrace#2313.
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@viktormalik viktormalik viktormalik approved these changes

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Successfully merging this pull request may close these issues.

Macro recursion limit reached for very simple macro in <linux/sched.h>
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@lenticularis39 @viktormalik @fbs