https://github.com/python/cpython/commit/c8ee196030b1af7ccf347567e263075ffb1aeee8
commit: c8ee196030b1af7ccf347567e263075ffb1aeee8
branch: main
author: Brandon <[email protected]>
committer: Fidget-Spinner <[email protected]>
date: 2026-03-27T22:50:29+08:00
summary:
gh-146388: Add null check for `sym_new(ctx)` in `make_bottom` (GH-146389)
files:
A
Misc/NEWS.d/next/Core_and_Builtins/2026-03-26-11-18-45.gh-issue-146388.O0u1c3.rst
M Python/optimizer_symbols.c
diff --git
a/Misc/NEWS.d/next/Core_and_Builtins/2026-03-26-11-18-45.gh-issue-146388.O0u1c3.rst
b/Misc/NEWS.d/next/Core_and_Builtins/2026-03-26-11-18-45.gh-issue-146388.O0u1c3.rst
new file mode 100644
index 00000000000000..7cf5edfe8c6c6f
--- /dev/null
+++
b/Misc/NEWS.d/next/Core_and_Builtins/2026-03-26-11-18-45.gh-issue-146388.O0u1c3.rst
@@ -0,0 +1 @@
+Adds a null check to handle when the JIT optimizer runs out of space when
dealing with contradictions in ``make_bottom``.
diff --git a/Python/optimizer_symbols.c b/Python/optimizer_symbols.c
index 2a8d8c45c588ba..0bc3c5055812c4 100644
--- a/Python/optimizer_symbols.c
+++ b/Python/optimizer_symbols.c
@@ -1684,6 +1684,9 @@ static JitOptSymbol *
make_bottom(JitOptContext *ctx)
{
JitOptSymbol *sym = sym_new(ctx);
+ if (sym == NULL) {
+ return out_of_space(ctx);
+ }
sym->tag = JIT_SYM_BOTTOM_TAG;
return sym;
}
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