commit 2d7c9534406e68d5ca8e1140ad21004c122170b4
from: Sergey Bronnikov <estetus@gmail.com>
date: Mon Jun 10 11:33:30 2024 UTC

cfl: do not report OOMs

`luaL_loadbuffer_proto_test` constantly reports OOM's. These fails
are false-positives and really annoying. An example of such fail
is below:

```
 ==98== ERROR: libFuzzer: out-of-memory (used: 3524Mb; limit: 2560Mb)
   To change the out-of-memory limit use -rss_limit_mb=<N>

Live Heap Allocations: 4748197972 bytes in 42448 chunks; quarantined: 8388640 bytes in 2 chunks; 103000 other chunks; total chunks: 145450; showing top 95% (at most 8 unique contexts)
2521827184 byte(s) (53%) in 25 allocation(s)
    #0 0x564a0a9b08c5 in realloc /src/llvm-project/compiler-rt/lib/asan/asan_malloc_linux.cpp:85:3
    #1 0x564a0ab9cd4f in lj_mem_realloc /src/lua-c-api-tests/build/luajit-v2.1/source/src/lj_gc.c:873:7
    #2 0x564a0ab063d3 in lj_str_alloc /src/lua-c-api-tests/build/luajit-v2.1/source/src/lj_str.c:287:14
    #3 0x564a0abacf26 in lj_buf_str /src/lua-c-api-tests/build/luajit-v2.1/source/src/./lj_buf.h:195:10
    #4 0x564a0abacf26 in lj_meta_cat /src/lua-c-api-tests/build/luajit-v2.1/source/src/lj_meta.c:304:23
    #5 0x564a0ab91e54 in lj_BC_CAT /src/lua-c-api-tests/build/luajit-v2.1/source/src/lj_vm.S:428

DEDUP_TOKEN: __interceptor_realloc--lj_mem_realloc--lj_str_alloc
2147483648 byte(s) (45%) in 1 allocation(s)
    #0 0x564a0a9b08c5 in realloc /src/llvm-project/compiler-rt/lib/asan/asan_malloc_linux.cpp:85:3
    #1 0x564a0ab9cd4f in lj_mem_realloc /src/lua-c-api-tests/build/luajit-v2.1/source/src/lj_gc.c:873:7
    #2 0x564a0aba01b5 in buf_grow /src/lua-c-api-tests/build/luajit-v2.1/source/src/lj_buf.c:34:17
    #3 0x564a0aba0711 in lj_buf_more2 /src/lua-c-api-tests/build/luajit-v2.1/source/src/lj_buf.c:85:5
    #4 0x564a0abad075 in lj_buf_more /src/lua-c-api-tests/build/luajit-v2.1/source/src/./lj_buf.h:109:12
    #5 0x564a0abad075 in lj_meta_cat /src/lua-c-api-tests/build/luajit-v2.1/source/src/lj_meta.c:289:7
    #6 0x564a0ab91e54 in lj_BC_CAT /src/lua-c-api-tests/build/luajit-v2.1/source/src/lj_vm.S:428

DEDUP_TOKEN: __interceptor_realloc--lj_mem_realloc--buf_grow
```

The patch disables reporting of OOMS in `cflite_batch.yml`
workflow by setting a flag `report-ooms` [1].

1. https://google.github.io/oss-fuzz/getting-started/continuous-integration/#optional-configuration

Fixes #85
Related to google/oss-fuzz#11723

commit - 10531e235d80d69c0c10721e2f63e50ee34a0b30
commit + 2d7c9534406e68d5ca8e1140ad21004c122170b4
blob - 6ff674b44ba1c8b07c780620d806554da6494360
blob + f375b722fafdf2cc5b3fad728ef7e570aa2aa6f1
--- .github/workflows/cflite_batch.yml
+++ .github/workflows/cflite_batch.yml
@@ -35,6 +35,7 @@ jobs:
           fuzz-seconds: 3600
           github-token: ${{ secrets.GITHUB_TOKEN }}
           minimize-crashes: true
+          report_ooms: false
           mode: 'batch'
           output-sarif: true
           parallel-fuzzing: true