UB runtime error: load of value .. not a valid value at IccProfLib/IccMpeCalc.cpp:2222

[xsscx]

Maintainer Repro

Sun Jan 18 21:21:56 EST 2026

Host

Linux 6.6.87.2-microsoft-standard-WSL2 #1 SMP PREEMPT_DYNAMIC Thu Jun  5 18:30:46 UTC 2025 x86_64 x86_64 x86_64 GNU/Linux

Source Tested

7f0ebcf
7f0ebcf (HEAD -> master, origin/master, origin/HEAD) Modify: ci-pr-action & child workflows (#471)

Step 1. wget https://github.com/xsscx/Commodity-Injection-Signatures/raw/refs/heads/master/graphics/icc/ub-runtime-error-load-value-type-confusion-IccMpeCalc_cpp-Line1825.icc

Step 2. iccFromXml ub-runtime-error-load-value-type-confusion-IccMpeCalc_cpp-Line1825.icc oops.icc

Expected Output

[2026-01-19 02:20:43 UTC] ~/head/iccDEV/Testing (master)$ iccDumpProfile -v ub-runtime-error-load-value-type-confusion-IccMpeCalc_cpp-Line1825.icc
IccProfLib/IccMpeCalc.cpp:3928:17: runtime error: load of value 3630459254, which is not a valid value for type 'icSigCalcOp'
IccProfLib/IccMpeCalc.cpp:3928:54: runtime error: load of value 3630459254, which is not a valid value for type 'icSigCalcOp'
IccProfLib/IccMpeCalc.cpp:3928:91: runtime error: load of value 3630459254, which is not a valid value for type 'icSigCalcOp'
IccProfLib/IccMpeCalc.cpp:2222:10: runtime error: load of value 3630459254, which is not a valid value for type 'icSigCalcOp'
IccProfLib/IccMpeCalc.cpp:2237:23: runtime error: load of value 3630459254, which is not a valid value for type 'icSigCalcOp'
IccProfLib/IccMpeCalc.cpp:1816:7: runtime error: load of value 3630459254, which is not a valid value for type 'icSigCalcOp'
IccProfLib/IccMpeCalc.cpp:1825:22: runtime error: load of value 3630459254, which is not a valid value for type 'icSigCalcOp'
IccProfLib/IccMpeCalc.cpp:1834:11: runtime error: load of value 3630459254, which is not a valid value for type 'icSigCalcOp'