test: decoder: fix fmt_in leaks (!6025) · Merge requests · VideoLAN / VLC

Thomas Guillem requested to merge tguillem/vlc:test-fuzzer-leak into master Sep 13, 2024
Regression from 08b24866
==1851678==ERROR: LeakSanitizer: detected memory leaks

Direct leak of 12 byte(s) in 1 object(s) allocated from:
    #0 0x55ab52726322 in malloc (/home/tom/work/git/vlc/build-fuzzer-asan/test/vlc-demux-dec-libfuzzer+0xf5322) (BuildId: e44569652285bf8bd3c1b21a8e857c36a2185e73)
    #1 0x7fac6d4ed649 in es_format_Copy /home/tom/work/git/vlc/build-fuzzer-asan/src/../../src/misc/es_format.c:350:24
    #2 0x7fac6d3c2fc9 in decoder_Init /home/tom/work/git/vlc/build-fuzzer-asan/src/../../src/input/decoder_helpers.c:49:5
    #3 0x55ab52764362 in decoder_load /home/tom/work/git/vlc/build-fuzzer-asan/test/../../test/src/input/decoder.c:103:5
    #4 0x55ab52764362 in test_decoder_create /home/tom/work/git/vlc/build-fuzzer-asan/test/../../test/src/input/decoder.c:196:9
    #5 0x55ab52762fe5 in EsOutAdd /home/tom/work/git/vlc/build-fuzzer-asan/test/../../test/src/input/demux-run.c:86:19
    #6 0x7fac59c9d0a4 in es_out_Add /home/tom/work/git/vlc/build-fuzzer-asan/modules/../../include/vlc_es_out.h:144:12
    #7 0x7fac59c9d0a4 in avformat_OpenDemux /home/tom/work/git/vlc/build-fuzzer-asan/modules/../../modules/demux/avformat/demux.c:702:29
    #8 0x7fac6d3c5d0a in demux_Probe /home/tom/work/git/vlc/build-fuzzer-asan/src/../../src/input/demux.c:112:15
    #9 0x7fac6d368128 in vlc_module_load /home/tom/work/git/vlc/build-fuzzer-asan/src/../../src/modules/modules.c:230:15
    #10 0x7fac6d3c5250 in demux_NewAdvanced /home/tom/work/git/vlc/build-fuzzer-asan/src/../../src/input/demux.c:196:20
    #11 0x7fac6d3c48b3 in demux_New /home/tom/work/git/vlc/build-fuzzer-asan/src/../../src/input/demux.c:77:12
    #12 0x55ab527620d9 in demux_process_stream /home/tom/work/git/vlc/build-fuzzer-asan/test/../../test/src/input/demux-run.c:294:22
    #13 0x55ab52761c03 in LLVMFuzzerTestOneInput /home/tom/work/git/vlc/build-fuzzer-asan/test/../../test/vlc-demux-libfuzzer.c:54:5
    #14 0x55ab52672134 in fuzzer::Fuzzer::ExecuteCallback(unsigned char const*, unsigned long) (/home/tom/work/git/vlc/build-fuzzer-asan/test/vlc-demux-dec-libfuzzer+0x41134) (BuildId: e44569652285bf8bd3c1b21a8e857c36a2185e73)
    #15 0x55ab5265b083 in fuzzer::RunOneTest(fuzzer::Fuzzer*, char const*, unsigned long) (/home/tom/work/git/vlc/build-fuzzer-asan/test/vlc-demux-dec-libfuzzer+0x2a083) (BuildId: e44569652285bf8bd3c1b21a8e857c36a2185e73)
    #16 0x55ab52660ca6 in fuzzer::FuzzerDriver(int*, char***, int (*)(unsigned char const*, unsigned long)) (/home/tom/work/git/vlc/build-fuzzer-asan/test/vlc-demux-dec-libfuzzer+0x2fca6) (BuildId: e44569652285bf8bd3c1b21a8e857c36a2185e73)
    #17 0x55ab5268b796 in main (/home/tom/work/git/vlc/build-fuzzer-asan/test/vlc-demux-dec-libfuzzer+0x5a796) (BuildId: e44569652285bf8bd3c1b21a8e857c36a2185e73)
    #18 0x7fac6cf2ddb9 in __libc_start_call_main csu/../sysdeps/nptl/libc_start_call_main.h:58:16
test: decoder: fix fmt_in leaks

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