c621947686
Implements Tier-1 memory ceiling gate that enforces RSS budgets for PDF extraction, analogous to cargo-bloat for binary size. Changes: - CI: Add memory-ceiling template with cgroup MemoryMax (1.5 GB) - CI: Add cgroup MemoryMax enforcement to test-glibc (6 GB) and test-musl (4 GB) - CI: Add cgroup MemoryMax + libfuzzer rss/malloc limits to fuzz workflow - xtask: Implement memory-ceiling command with peak RSS sampling - Add perf fixtures (100-page, 10k-page) for memory testing - Add run-fuzz-with-limits.sh for local fuzz testing with memory caps - Register perf fixtures in PROVENANCE.md Memory budgets enforced: - Buffered 100-page PDF: < 512 MB - Streaming mode: < 256 MB (constant in page count) - Adversarial fixtures: < 1 GB hard ceiling Closes bf-1g1fd Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
101 lines
1.4 KiB
Bash
101 lines
1.4 KiB
Bash
#!/bin/bash
|
|
# Generate a minimal valid PDF for testing
|
|
# Usage: ./generate-minimal-pdf.sh <output-file> <page-count>
|
|
|
|
set -e
|
|
|
|
OUTPUT_FILE="${1:-test.pdf}"
|
|
PAGE_COUNT="${2:-1}"
|
|
|
|
# Create a minimal PDF with specified page count
|
|
# This generates a valid PDF structure with repeated pages
|
|
|
|
cat > "$OUTPUT_FILE" <<'EOF'
|
|
%PDF-1.4
|
|
1 0 obj
|
|
<<
|
|
/Type /Catalog
|
|
/Pages 2 0 R
|
|
>>
|
|
endobj
|
|
2 0 obj
|
|
<<
|
|
/Type /Pages
|
|
/Kids [
|
|
EOF
|
|
|
|
# Add page references
|
|
for ((i=3; i<3+PAGE_COUNT; i++)); do
|
|
echo "$i 0 R" >> "$OUTPUT_FILE"
|
|
done
|
|
|
|
cat >> "$OUTPUT_FILE" <<'EOF'
|
|
]
|
|
/Count <<PAGE_COUNT>>
|
|
>>
|
|
endobj
|
|
|
|
# Generate pages
|
|
PAGE_NUM=3
|
|
for ((i=1; i<=PAGE_COUNT; i++)); do
|
|
cat >> "$OUTPUT_FILE" <<PAGEEOF
|
|
${PAGE_NUM} 0 obj
|
|
<<
|
|
/Type /Page
|
|
/Parent 2 0 R
|
|
/MediaBox [ 0 0 612 792 ]
|
|
/Contents 4 0 R
|
|
/Resources <<
|
|
/Font <<
|
|
/F1 5 0 R
|
|
>>
|
|
>>
|
|
>>
|
|
endobj
|
|
PAGEEOF
|
|
PAGE_NUM=$((PAGE_NUM + 1))
|
|
done
|
|
|
|
# Content stream (simple text)
|
|
cat >> "$OUTPUT_FILE" <<'EOF'
|
|
4 0 obj
|
|
<<
|
|
/Length 44
|
|
>>
|
|
stream
|
|
BT
|
|
/F1 12 Tf
|
|
50 700 Td
|
|
(Test Page) Tj
|
|
ET
|
|
endstream
|
|
endobj
|
|
5 0 obj
|
|
<<
|
|
/Type /Font
|
|
/Subtype /Type1
|
|
/BaseFont /Helvetica
|
|
>>
|
|
endobj
|
|
xref
|
|
0 6
|
|
0000000000 65535 f
|
|
0000000009 00000 n
|
|
0000000058 00000 n
|
|
0000000135 00000 n
|
|
0000000265 00000 n
|
|
0000000365 00000 n
|
|
trailer
|
|
<<
|
|
/Size 6
|
|
/Root 1 0 R
|
|
>>
|
|
startxref
|
|
447
|
|
%%EOF
|
|
EOF
|
|
|
|
# Replace page count placeholder
|
|
sed -i "s/<<PAGE_COUNT>>/$PAGE_COUNT/" "$OUTPUT_FILE"
|
|
|
|
echo "Generated $OUTPUT_FILE with $PAGE_COUNT page(s)"
|