https://github.com/python/cpython/commit/3831752689f4a43c26746b691c9c904550fadc17
commit: 3831752689f4a43c26746b691c9c904550fadc17
branch: main
author: Mark Shannon <m...@hotpy.org>
committer: iritkatriel <1055913+iritkatr...@users.noreply.github.com>
date: 2025-05-01T10:02:51Z
summary:
PyStats: Make sure that the `failure_kinds` array is big enough. (#133245)
files:
M Include/cpython/pystats.h
M Python/specialize.c
diff --git a/Include/cpython/pystats.h b/Include/cpython/pystats.h
index 7c1459bde8f1cf..20eb969a9bac13 100644
--- a/Include/cpython/pystats.h
+++ b/Include/cpython/pystats.h
@@ -31,7 +31,7 @@
#define PYSTATS_MAX_UOP_ID 512
-#define SPECIALIZATION_FAILURE_KINDS 50
+#define SPECIALIZATION_FAILURE_KINDS 60
/* Stats for determining who is calling PyEval_EvalFrame */
#define EVAL_CALL_TOTAL 0
diff --git a/Python/specialize.c b/Python/specialize.c
index 562e4a19d64a7f..f4b06918e68787 100644
--- a/Python/specialize.c
+++ b/Python/specialize.c
@@ -440,7 +440,9 @@ _Py_PrintSpecializationStats(int to_file)
#define SPECIALIZATION_FAIL(opcode, kind) \
do { \
if (_Py_stats) { \
- _Py_stats->opcode_stats[opcode].specialization.failure_kinds[kind]++; \
+ int _kind = (kind); \
+ assert(_kind < SPECIALIZATION_FAILURE_KINDS); \
+ _Py_stats->opcode_stats[opcode].specialization.failure_kinds[_kind]++;
\
} \
} while (0)
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