### Basic info - Commit SHA: 6a18db2368f6380c492a85fa02decbb2ac1a2aeb ### Bug description Clang usan sanitizer test in pipeline found an error: <!--- Copy sanitizer traceback from command line here --> ``` ib_dec/jbm_jb4_jmf.c:218:27: runtime error: implicit conversion from type 'uint32_t' (aka 'unsigned int') of value 4294967256 (32-bit, unsigned) to type 'int32_t' (aka 'int') changed the value to -40 (32-bit, signed) SUMMARY: UndefinedBehaviorSanitizer: implicit-integer-sign-change lib_dec/jbm_jb4_jmf.c:218:27 in lib_dec/jbm_jb4_jmf.c:302:49: runtime error: implicit conversion from type 'uint32_t' (aka 'unsigned int') of value 4294967256 (32-bit, unsigned) to type 'JB4_CIRCULARBUFFER_ELEMENT' (aka 'int') changed the value to -40 (32-bit, signed) SUMMARY: UndefinedBehaviorSanitizer: implicit-integer-sign-change lib_dec/jbm_jb4_jmf.c:302:49 in lib_dec/jbm_jb4_jmf.c:209:46: runtime error: implicit conversion from type 'int32_t' (aka 'int') of value -40 (32-bit, signed) to type 'unsigned int' changed the value to 4294967256 (32-bit, unsigned) SUMMARY: UndefinedBehaviorSanitizer: implicit-integer-sign-change lib_dec/jbm_jb4_jmf.c:209:46 in ``` <!--- Copy test job URL here --> Link to test pipeline: https://forge.3gpp.org/rep/ivas-codec-pc/ivas-codec/-/jobs/206854 ### Ways to reproduce Using the [scripts](https://forge.3gpp.org/rep/ivas-codec-pc/ivas-codec/-/wikis/Software-development/pyivastest-howto#how-to-reproduce-tests): <!--- check correct sanitizer type --> <!--- add error pattern if needed --> JBM profile file: [jbm_err_profile.dat](/uploads/a6a381aaf93367a0f42b8e9a5f4e5d9a/jbm_err_profile.dat) ``` python3 scripts/IvasBuildAndRunChecks.py --checks CLANG3 -m OMASA_ISM1_2TC_b13_2_wb_cbr -p /path/to/my/local/ci_linux_ltv_local.json --usan_supp_file scripts/ubsan.supp -J jbm_err_profile.dat ``` or directly: ``` make clean make -j CLANG=3 ./IVAS_cod -ism_masa 1 2 ltv48_OMASA_1ISM_2TC_ISM1.csv ltv48_OMASA_1ISM_2TC.met -max_band wb 13200 16 ltv48_OMASA_1ISM_2TC.wav bit networkSimulator jbm_err_profile.dat bit bit_jbm tracefile 2 ./IVAS_dec -Tracefile tracefile -VOIP mono 16 bit_jbm out.wav ``` <!--- Below are labels that will be added but are not shown in description. This is a template to help fill them. Add further information to the first row and remove and add labels as necessary. -->