Fix: Init in iccV5DspObsToV4Dsp

[ChrisCoxArt]

Fixes #667

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• Have you added or updated relevant tests?
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[xsscx]

Maintainer Review

2026-03-15 02:54:22 UTC

Repro

mkdir pr-695
cd pr-695
git clone https://github.com/InternationalColorConsortium/iccDEV.git
cd iccDEV/Build
git fetch origin pull/695/head:pr-695
git checkout pr-695
export CXX=clang++ && export CXXFLAGS="-fsanitize=address,undefined -fno-omit-frame-pointer -g -O1 -fprofile-arcs -ftest-coverage" && export LDFLAGS="-fsanitize=address,undefined -fprofile-arcs" && cmake Cmake -DCMAKE_BUILD_TYPE=Debug -DENABLE_ASAN=ON -DENABLE_UBSAN=ON -DENABLE_COVERAGE=ON
make -j$(nproc)
        cd ../Testing/
        echo "=== Updating PATH ==="
         for d in ../Build/Tools/*; do
          [ -d "$d" ] && export PATH="$(realpath "$d"):$PATH"
         done
./CreateAllProfiles.sh
cd ..
iccV5DspObsToV4Dsp Testing/Display/Rec2020rgbSpectral.icc Testing/PCC/Spec400_10_700-D65_2deg-MAT.icc output.icc

PR Application Output

[2026-03-15 02:53:56 UTC] ~/pr-695/iccDEV (pr-695)$ iccV5DspObsToV4Dsp Testing/Display/Rec2020rgbSpectral.icc Testing/PCC/Spec400_10_700-D65_2deg-MAT.icc output.icc
output.icc successfully created

=================================================================
==44064==ERROR: LeakSanitizer: detected memory leaks

Indirect leak of 8192 byte(s) in 1 object(s) allocated from:
    #0 0x5c55b4e2565d in calloc (/home/h02332/pr-695/iccDEV/Build/Tools/IccV5DspObsToV4Dsp/iccV5DspObsToV4Dsp+0xcc65d) (BuildId: bd0f2eee9b8e77a5fc76de43c54c0f94deaf8850)
    #1 0x711ad943198d in CIccTagCurve::CIccTagCurve(int) /home/h02332/pr-695/iccDEV/IccProfLib/IccTagLut.cpp:150:31
    #2 0x5c55b4e6792d in main /home/h02332/pr-695/iccDEV/Tools/CmdLine/IccV5DspObsToV4Dsp/IccV5DspObsToV4Dsp.cpp:207:29
    #3 0x711ad862a1c9 in __libc_start_call_main csu/../sysdeps/nptl/libc_start_call_main.h:58:16
    #4 0x711ad862a28a in __libc_start_main csu/../csu/libc-start.c:360:3
    #5 0x5c55b4d8a624 in _start (/home/h02332/pr-695/iccDEV/Build/Tools/IccV5DspObsToV4Dsp/iccV5DspObsToV4Dsp+0x31624) (BuildId: bd0f2eee9b8e77a5fc76de43c54c0f94deaf8850)
...