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xRefTable failed: pdfcpu: can't find last xref section #852

@tobwen

Description

@tobwen

requested details

  • issue is based on dfaa588
  • Debian 12.5 on AMD64

summary of the bug

pdfcpu validate test.pdf throws error Read: xRefTable failed: pdfcpu: can't find last xref section.

reproduce me

Other PDF tools verify that this PDF is valid.

%PDF-1.1
%µ¶

1 0 obj
<</Type/Catalog/Pages 2 0 R>>
endobj

2 0 obj
<</Type/Pages/Count 1/Kids[3 0 R]/MediaBox[0 0 3 3]>>
endobj

3 0 obj
<</Type/Page/Parent 2 0 R>>
endobj

xref
0 4
0000000000 65535 f 
0000000016 00000 n 
0000000062 00000 n 
0000000132 00000 n 

trailer
<</Size 4/Root 1 0 R>>
startxref
176
%%EOF

long log

$ pdfcpu validate -vv test.pdf
validating(mode=relaxed) test.pdf ...
 READ: 2024/04/19 21:41:53 Read: begin
 INFO: 2024/04/19 21:41:53 PDF Version 1.5 conforming reader
 READ: 2024/04/19 21:41:53 readXRefTable: begin
Fatal: pdfcpu: can't find last xref section
github.com/pdfcpu/pdfcpu/pkg/pdfcpu.offsetLastXRefSection
        /Users/horstrutter/Documents/go/pdfcpu/pkg/pdfcpu/read.go:169
github.com/pdfcpu/pdfcpu/pkg/pdfcpu.readXRefTable
        /Users/horstrutter/Documents/go/pdfcpu/pkg/pdfcpu/read.go:1616
github.com/pdfcpu/pdfcpu/pkg/pdfcpu.ReadWithContext
        /Users/horstrutter/Documents/go/pdfcpu/pkg/pdfcpu/read.go:99
github.com/pdfcpu/pdfcpu/pkg/pdfcpu.Read
        /Users/horstrutter/Documents/go/pdfcpu/pkg/pdfcpu/read.go:74
github.com/pdfcpu/pdfcpu/pkg/api.ReadContext
        /Users/horstrutter/Documents/go/pdfcpu/pkg/api/api.go:74
github.com/pdfcpu/pdfcpu/pkg/api.Validate
        /Users/horstrutter/Documents/go/pdfcpu/pkg/api/validate.go:43
github.com/pdfcpu/pdfcpu/pkg/api.ValidateFile
        /Users/horstrutter/Documents/go/pdfcpu/pkg/api/validate.go:91
github.com/pdfcpu/pdfcpu/pkg/api.ValidateFiles
        /Users/horstrutter/Documents/go/pdfcpu/pkg/api/validate.go:110
github.com/pdfcpu/pdfcpu/pkg/cli.Validate
        /Users/horstrutter/Documents/go/pdfcpu/pkg/cli/cli.go:27
github.com/pdfcpu/pdfcpu/pkg/cli.Process
        /Users/horstrutter/Documents/go/pdfcpu/pkg/cli/process.go:35
main.process
        /Users/horstrutter/Documents/go/pdfcpu/cmd/pdfcpu/process.go:150
main.processValidateCommand
        /Users/horstrutter/Documents/go/pdfcpu/cmd/pdfcpu/process.go:207
main.commandMap.process
        /Users/horstrutter/Documents/go/pdfcpu/cmd/pdfcpu/cmd.go:143
main.main
        /Users/horstrutter/Documents/go/pdfcpu/cmd/pdfcpu/main.go:56
runtime.main
        /usr/local/go/src/runtime/proc.go:271
runtime.goexit
        /usr/local/go/src/runtime/asm_amd64.s:1695
Read: xRefTable failed
github.com/pdfcpu/pdfcpu/pkg/pdfcpu.ReadWithContext
        /Users/horstrutter/Documents/go/pdfcpu/pkg/pdfcpu/read.go:100
github.com/pdfcpu/pdfcpu/pkg/pdfcpu.Read
        /Users/horstrutter/Documents/go/pdfcpu/pkg/pdfcpu/read.go:74
github.com/pdfcpu/pdfcpu/pkg/api.ReadContext
        /Users/horstrutter/Documents/go/pdfcpu/pkg/api/api.go:74
github.com/pdfcpu/pdfcpu/pkg/api.Validate
        /Users/horstrutter/Documents/go/pdfcpu/pkg/api/validate.go:43
github.com/pdfcpu/pdfcpu/pkg/api.ValidateFile
        /Users/horstrutter/Documents/go/pdfcpu/pkg/api/validate.go:91
github.com/pdfcpu/pdfcpu/pkg/api.ValidateFiles
        /Users/horstrutter/Documents/go/pdfcpu/pkg/api/validate.go:110
github.com/pdfcpu/pdfcpu/pkg/cli.Validate
        /Users/horstrutter/Documents/go/pdfcpu/pkg/cli/cli.go:27
github.com/pdfcpu/pdfcpu/pkg/cli.Process
        /Users/horstrutter/Documents/go/pdfcpu/pkg/cli/process.go:35
main.process
        /Users/horstrutter/Documents/go/pdfcpu/cmd/pdfcpu/process.go:150
main.processValidateCommand
        /Users/horstrutter/Documents/go/pdfcpu/cmd/pdfcpu/process.go:207
main.commandMap.process
        /Users/horstrutter/Documents/go/pdfcpu/cmd/pdfcpu/cmd.go:143
main.main
        /Users/horstrutter/Documents/go/pdfcpu/cmd/pdfcpu/main.go:56
runtime.main
        /usr/local/go/src/runtime/proc.go:271
runtime.goexit
        /usr/local/go/src/runtime/asm_amd64.s:1695

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