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Draft: Resolve "[CLANG18] MSAN: use-of-uninitialized-value in lib_com/cldfb_evs_fx.c:952:22"

Fabian Bauerrequested to merge
basop-2319-clang18-msan-use-of-uninitialized-value-in-lib_com-cldfb_evs_fx-c-952-22 into main
  • Related issues: #2319
  • Requested reviewers:

Reason why this change is needed

Basic Info

Bug description

Clang 18 MSAN found an use-of-uninitialized-value error at lib_com/cldfb_evs_fx.c:952:22:

==20404==WARNING: MemorySanitizer: use-of-uninitialized-value
#0 0x5629777f1888 in configureCldfb /builds/rep/sa4/audio/ivas-basop/lib_com/cldfb_evs_fx.c:952:22
...

SUMMARY: MemorySanitizer: use-of-uninitialized-value /builds/rep/sa4/audio/ivas-basop/lib_com/cldfb_evs_fx.c:952:22 in configureCldfb

How to reproduce

⚠️ Make sure to use CLANG v18 for building the codec :warning

Build with

make clean
make -j CLANG=1

Then run

IVAS_cod -stereo_dmx_evs 13200 32 scripts/testv/stvST32c.wav stvST32c.wav_Stereo_downmix_to_bit_exact_EVS_at_13200_kbps_32kHz_in_32kHz_out.192

or

python3 -m pytest "test_param_file_tests[stv-Stereo downmix to bit-exact EVS at 13200 kbps, 32kHz in, 32kHz out]" -n auto --update_ref --ref_encoder_path ./IVAS_cod --ref_decoder_path ./IVAS_dec

Description of the change

  • Lets see what is necessary...

Closes #2319

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