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Akim Demaille 952479fca7 scan: fix typo in UTF-8 escape 
We had:

```
-mbchar    ...|\xF0[\x\90-\xBF]([\x80-\xBF]{2})|...
+mbchar    ...|\xF0[\x90-\xBF]([\x80-\xBF]{2})|...
```

so a precise sequence that matches the incorrect regex can let NUL
bytes pass through, which triggers an assertion violation downstream.
It is a pity that Flex does not report an error for such input.

Reported by Ahcheong Lee <ahcheong.lee@gmail.com>.
<https://lists.gnu.org/r/bug-bison/2021-04/msg00003.html>

* src/scan-gram.l (mbchar): Fix the bad regex.
* tests/input.at (Invalid inputs): Check that case.
2021-08-03 12:22:52 +02:00
..
.gitignore
maint: re-anchor all .gitignore entries.
2010-10-17 10:23:55 -04:00
AnnotationList.c
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AnnotationList.h
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assoc.c
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assoc.h
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closure.c
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closure.h
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complain.c
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complain.h
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conflicts.c
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conflicts.h
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counterexample.c
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counterexample.h
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derivation.c
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derivation.h
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derives.c
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derives.h
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files.c
files: please syntax-check
2021-03-10 06:43:00 +01:00
files.h
output: cache the mapped file names
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fixits.c
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fixits.h
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flex-scanner.h
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getargs.c
getargs: don't translate first line of --version
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getargs.h
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glyphs.c
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glyphs.h
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gram.c
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gram.h
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graphviz.c
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graphviz.h
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i18n-strings.c
build: fix syntax-check issues
2020-04-29 08:47:04 +02:00
ielr.c
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ielr.h
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InadequacyList.c
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InadequacyList.h
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lalr.c
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lalr.h
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local.mk
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location.c
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location.h
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lr0.c
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lr0.h
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lssi.c
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lssi.h
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main.c
traces: display the Bison version
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muscle-tab.c
output: cache the mapped file names
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muscle-tab.h
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named-ref.c
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named-ref.h
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nullable.c
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nullable.h
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output.c
output: cache the mapped file names
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output.h
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parse-gram.c
regen
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parse-gram.h
yacc: remove support for YYPRINT
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parse-gram.y
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parse-simulation.c
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parse-simulation.h
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print-graph.c
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print-graph.h
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print-xml.c
html: fix memory leak
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print-xml.h
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print.c
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print.h
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reader.c
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reader.h
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reduce.c
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reduce.h
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relation.c
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relation.h
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Sbitset.c
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Sbitset.h
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scan-code-c.c
Remove src/Makefile.am.
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scan-code.h
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scan-code.l
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scan-gram-c.c
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scan-gram.h
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scan-gram.l
scan: fix typo in UTF-8 escape
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scan-skel-c.c
Remove src/Makefile.am.
2008-11-15 10:47:15 +01:00
scan-skel.h
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scan-skel.l
output: cache the mapped file names
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state-item.c
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state-item.h
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state.c
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state.h
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strversion.c
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strversion.h
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symlist.c
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symlist.h
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symtab.c
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symtab.h
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system.h
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tables.c
tables: fix again the handling of useless tokens
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tables.h
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uniqstr.c
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uniqstr.h
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yacc.in
yacc: fix relocatability
2019-01-12 10:45:21 +01:00