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asan: add qa/lsan.supp for leak sanitizer suppressions

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any executable that links against the heap_profiler leaks 8 bytes for a
singleton:
> -----------------------------------------------------
> Suppressions used:
> count      bytes template
> 1          8 ^MallocExtension::Register
> -----------------------------------------------------

the python script bin/ceph has a lot of leaks:
> -----------------------------------------------------
> Suppressions used:
>   count      bytes template
>     205     294983 ^PyObject_Malloc
>      10       6216 ^_PyObject_Realloc
>       1        568 ^PyMem_Calloc
>       2          2 ^PyMem_Malloc
>      63      58935 ^PyUnicode_New
>      10       7294 ^_PyBytes_FromSize
>     166     149904 ^_PyObject_GC_Alloc
>       5       3360 ^_PyObject_GC_Resize
> -----------------------------------------------------

Signed-off-by: Casey Bodley <cbodley@redhat.com>
This commit is contained in:
Casey Bodley 2023-03-05 11:58:43 -05:00
parent 3753469d1b
commit 8c099a5340
1 changed files with 26 additions and 0 deletions
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qa/lsan.supp Normal file
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# leak suppressions needed to run vstart.sh with WITH_ASAN=ON
# to enable, add this to the environment:
# LSAN_OPTIONS="suppressions=../qa/lsan.supp"
# from perfglue/heap_profiler.cc
# gperftools allocates a singleton and never frees it
leak:^MallocExtension::Register
# from src/ceph.in
# python3.6
leak:^_PyObject_Alloc
leak:^_PyObject_GC_Resize
leak:^PyBytes_FromStringAndSize
leak:^PyType_GenericAlloc
leak:^set_table_resize
# python3.7
leak:^_PyObject_Realloc
leak:^PyObject_Malloc
# python3.8
leak:^_PyBytes_FromSize
leak:^_PyObject_GC_Alloc
leak:^PyMem_Calloc
leak:^PyUnicode_New
# python3.9, 3.10, 3.11
leak:^PyMem_Malloc
# python3.12 doesn't leak anything