[oss-fuzz 5130912217235456] leak of extradata in avi.c

Ref.:

• https://oss-fuzz.com/testcase-detail/5130912217235456

=================================================================
==402==ERROR: LeakSanitizer: detected memory leaks

Direct leak of 42 byte(s) in 1 object(s) allocated from:
    #0 0x57f1b0895214 in __interceptor_malloc /src/llvm-project/compiler-rt/lib/asan/asan_malloc_linux.cpp:67:3
    #1 0x57f1b0e78dca in es_format_Copy /src/vlc/src/misc/es_format.c:350:24
    #2 0x57f1b0a9a6d9 in Open /src/vlc/modules/packetizer/h264.c:351:5
    #3 0x57f1b0d7816e in generic_start /src/vlc/src/modules/modules.c:261:11
    #4 0x57f1b0d77b00 in vlc_module_load /src/vlc/src/modules/modules.c:230:15
    #5 0x57f1b0d77f32 in module_need /src/vlc/src/modules/modules.c:272:24
    #6 0x57f1b0db46fd in decoder_LoadModule /src/vlc/src/input/decoder_helpers.c:86:25
    #7 0x57f1b08db688 in decoder_load /src/vlc/test/src/input/decoder.c:107:5
    #8 0x57f1b08db688 in test_decoder_create /src/vlc/test/src/input/decoder.c:186:9
    #9 0x57f1b08da245 in EsOutAdd /src/vlc/test/src/input/demux-run.c:89:19
    #10 0x57f1b090c3bf in es_out_Add /src/vlc/include/vlc_es_out.h:146:12
    #11 0x57f1b090c3bf in Open /src/vlc/modules/demux/avi/avi.c:773:20
    #12 0x57f1b0db737a in demux_Probe /src/vlc/src/input/demux.c:112:15
    #13 0x57f1b0d77b00 in vlc_module_load /src/vlc/src/modules/modules.c:230:15
    #14 0x57f1b0db6a6d in demux_NewAdvanced /src/vlc/src/input/demux.c:196:20
    #15 0x57f1b0db610f in demux_New /src/vlc/src/input/demux.c:77:12
    #16 0x57f1b08d9439 in demux_process_stream /src/vlc/test/src/input/demux-run.c:300:22
    #17 0x57f1b08d90ef in LLVMFuzzerTestOneInput /src/vlc/test/vlc-demux-libfuzzer.c:63:5
    #18 0x57f1b07768bd in fuzzer::Fuzzer::ExecuteCallback(unsigned char const*, unsigned long) /src/llvm-project/compiler-rt/lib/fuzzer/FuzzerLoop.cpp:619:13
    #19 0x57f1b0761632 in fuzzer::RunOneTest(fuzzer::Fuzzer*, char const*, unsigned long) /src/llvm-project/compiler-rt/lib/fuzzer/FuzzerDriver.cpp:329:6
    #20 0x57f1b0767500 in fuzzer::FuzzerDriver(int*, char***, int (*)(unsigned char const*, unsigned long)) /src/llvm-project/compiler-rt/lib/fuzzer/FuzzerDriver.cpp:865:9
    #21 0x57f1b0793032 in main /src/llvm-project/compiler-rt/lib/fuzzer/FuzzerMain.cpp:20:10
    #22 0x7c81868ff082 in __libc_start_main /build/glibc-LcI20x/glibc-2.31/csu/libc-start.c:308:16

================================================================================
The following leaks are not necessarily related to the first leak.


SUMMARY: AddressSanitizer: 42 byte(s) leaked in 1 allocation(s).

Samples:

• clusterfuzz-testcase-vlc-demux-dec-libfuzzer-avi-5130912217235456