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tests: kv_alloc re-allocation regression test

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kv_alloc guards every KVState free with if(k->Lc) precisely so it can be
called again on the same KVState (context resize, slot re-init). Exercise
that path: allocate, touch the cache, allocate again at a larger size.

Fails at this commit with a double-free (fixed in the next commit):
  malloc: *** error for object 0x7: pointer being freed was not allocated
This commit is contained in:
Michael Denyer
2026-07-15 00:32:58 +01:00
parent 62419af188
commit 69004f73c2
2 changed files with 27 additions and 1 deletions
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c/Makefile
+4 -1
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@@ -146,7 +146,7 @@ else
PYTHON ?= python3
endif
CUDA_OBJ =
TEST_BINS = tests/test_json$(EXE) tests/test_st$(EXE) tests/test_tier$(EXE) tests/test_grammar$(EXE) tests/test_schema_gbnf$(EXE) tests/test_decode_batch$(EXE) tests/test_idot$(EXE) tests/test_i4_acc512$(EXE) tests/test_compat_direct$(EXE)
TEST_BINS = tests/test_json$(EXE) tests/test_st$(EXE) tests/test_tier$(EXE) tests/test_grammar$(EXE) tests/test_schema_gbnf$(EXE) tests/test_decode_batch$(EXE) tests/test_idot$(EXE) tests/test_kv_alloc$(EXE) tests/test_i4_acc512$(EXE) tests/test_compat_direct$(EXE)
# Windows CUDA DLL path: host links the loader, NOT cudart.
ifneq ($(IS_WIN),)
@@ -260,6 +260,9 @@ tests/test_decode_batch$(EXE): tests/test_decode_batch.c decode_batch.h
tests/test_idot$(EXE): tests/test_idot.c glm.c st.h json.h tok.h tok_unicode.h compat.h grammar.h tier.h
$(CC) $(CFLAGS) $< -o $@ $(LDFLAGS)
tests/test_kv_alloc$(EXE): tests/test_kv_alloc.c glm.c st.h json.h tok.h tok_unicode.h compat.h grammar.h tier.h
$(CC) $(CFLAGS) $< -o $@ $(LDFLAGS)
tests/test_i4_acc512$(EXE): tests/test_i4_acc512.c
$(CC) $(CFLAGS) $< -o $@ $(LDFLAGS)