# Basic info <!--- Add commit SHA used to reproduce--> - Fixed point: 24e8bdab048783058e1cbd328e66b0a7935e5153 # Bug description USAN found an out-of-bounds indexing: ``` lib_enc/enc_gain_fx.c:273:13: runtime error: index -139 out of bounds for type 'Word16 [41]' #0 0x9a8d34 in E_GAIN_closed_loop_search_fx /ivas-basop/lib_enc/enc_gain_fx.c:273:13 #1 0x8a370a in Mode2_pit_encode_fx /ivas-basop/lib_enc/pit_enc_fx.c:1467:15 #2 0xd6f411 in coder_acelp_fx /ivas-basop/lib_enc/cod_ace_fx.c:234:13 #3 0x979082 in core_encode_openloop_fx /ivas-basop/lib_enc/core_enc_ol_fx.c:255:9 #4 0x9a66a5 in enc_acelp_tcx_main_fx /ivas-basop/lib_enc/enc_acelp_tcx_main_fx.c:59:13 #5 0x4608f5 in evs_enc_fx /ivas-basop/lib_enc/evs_enc_fx.c:313:9 #6 0x43d56d in IVAS_ENC_EncodeFrameToSerial /ivas-basop/lib_enc/lib_enc_fx.c:1494:13 #7 0x42cf18 in main /ivas-basop/apps/encoder.c:877:28 #8 0x7f3513dd1d8f in __libc_start_call_main csu/../sysdeps/nptl/libc_start_call_main.h:58:16 #9 0x7f3513dd1e3f in __libc_start_main csu/../csu/libc-start.c:392:3 #10 0x4045b4 in _start (/ivas-basop/IVAS_cod+0x4045b4) SUMMARY: UndefinedBehaviorSanitizer: out-of-bounds-index lib_enc/enc_gain_fx.c:273:13 in ``` It needs to be checked if this is an actual bug or a somewhat "false positive" that is assigned, but never really used. In any case, it is preferable to fix this to have one less noise in the USAN error reports. # Ways to reproduce <!--Commandline or script--> ```bash make clean make -j CLANG=3 IVAS_cod -stereo_dmx_evs 24400 48 scripts/testv/stvST48c.wav bit ``` <!--- 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.-->