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Misc/NEWS.d/next/Core_and_Builtins
Python
Original file line numberDiff line numberDiff line change@@ -0,0 +1,2 @@
1+Fix out-of-bounds access when invoking faulthandler on a CPython build
2+compiled without support for VLAs.
Original file line numberDiff line numberDiff line change@@ -41,7 +41,7 @@
41414242#if defined(__STDC_NO_VLA__) && (__STDC_NO_VLA__==1)
4343/* Use alloca() for VLAs. */
44-# defineVLA(type, name, size) type *name = alloca(size)
44+# defineVLA(type, name, size) type *name = alloca(sizeof(type) * (size))
4545#elif !defined(__STDC_NO_VLA__) || (__STDC_NO_VLA__==0)
4646/* Use actual C VLAs.*/
4747# defineVLA(type, name, size) type name[size]