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Intel IPP-patched bzip2 library returns BZ_DATA_ERROR on decompression.
Attached example creates data in memory, compresses it using compression level 1 (compression succeeds), and decompresses (decompression fails).
bz2 file that was compressed using IPP-patched version of bz2 library cannot be decompressed even with original (non-patched) version of bz2 library, so it seems that the issue is in compression.
Steps to reproduce:
# Modify the following paths in `bzip2_ipp_example/CMakeLists.txt`:
IPPROOT
BZIP2_ROOT_WITH_IPP
BZIP2_ROOT_WITHOUT_IPP
# Clean
rm -rf build
# Configure
cmake -B build .
# Build
cmake --build build -j
# Run
build/problem4_noipp/problem4_noipp
build/problem4_ipp/problem4_ipp
Intel IPP version: 2021.4
bzip2 library version: 1.0.8
OS: Ubuntu 21.10 (Impish Indri)
Compiler: GCC 8.5.0
C++ standard: C++17
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Valentyn,
Thanks for bringing this topic here. The problem has been confirmed and escalated. We will keep this thread updated with the status of this problem.

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