diff --git a/.github/workflows/kernel-arm64-release.config b/.github/workflows/kernel-arm64-release.config
index 31797bac888cf3..2476670a0b3941 100644
--- a/.github/workflows/kernel-arm64-release.config
+++ b/.github/workflows/kernel-arm64-release.config
@@ -1375,7 +1375,7 @@ CONFIG_CC_HAS_SANCOV_TRACE_PC=y
 # Rust hacking
 #
 # CONFIG_RUST_DEBUG_ASSERTIONS is not set
-# CONFIG_RUST_OVERFLOW_CHECKS is not set
+CONFIG_RUST_OVERFLOW_CHECKS=y
 CONFIG_RUST_OPT_LEVEL_SIMILAR_AS_CHOSEN_FOR_C=y
 # CONFIG_RUST_OPT_LEVEL_0 is not set
 # CONFIG_RUST_OPT_LEVEL_1 is not set
diff --git a/.github/workflows/kernel-ppc64le-release.config b/.github/workflows/kernel-ppc64le-release.config
index fb61f0844fa5fe..a74314e6cdb86f 100644
--- a/.github/workflows/kernel-ppc64le-release.config
+++ b/.github/workflows/kernel-ppc64le-release.config
@@ -1483,7 +1483,7 @@ CONFIG_CC_HAS_SANCOV_TRACE_PC=y
 # Rust hacking
 #
 # CONFIG_RUST_DEBUG_ASSERTIONS is not set
-# CONFIG_RUST_OVERFLOW_CHECKS is not set
+CONFIG_RUST_OVERFLOW_CHECKS=y
 CONFIG_RUST_OPT_LEVEL_SIMILAR_AS_CHOSEN_FOR_C=y
 # CONFIG_RUST_OPT_LEVEL_0 is not set
 # CONFIG_RUST_OPT_LEVEL_1 is not set
diff --git a/.github/workflows/kernel-x86_64-release.config b/.github/workflows/kernel-x86_64-release.config
index 248606a672cbf2..5a9bc844a697ea 100644
--- a/.github/workflows/kernel-x86_64-release.config
+++ b/.github/workflows/kernel-x86_64-release.config
@@ -1425,7 +1425,7 @@ CONFIG_CC_HAS_SANCOV_TRACE_PC=y
 # Rust hacking
 #
 # CONFIG_RUST_DEBUG_ASSERTIONS is not set
-# CONFIG_RUST_OVERFLOW_CHECKS is not set
+CONFIG_RUST_OVERFLOW_CHECKS=y
 CONFIG_RUST_OPT_LEVEL_SIMILAR_AS_CHOSEN_FOR_C=y
 # CONFIG_RUST_OPT_LEVEL_0 is not set
 # CONFIG_RUST_OPT_LEVEL_1 is not set
diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
index 9b68a331ade3f1..acf4993baddc48 100644
--- a/lib/Kconfig.debug
+++ b/lib/Kconfig.debug
@@ -2557,7 +2557,7 @@ config RUST_DEBUG_ASSERTIONS
 
 config RUST_OVERFLOW_CHECKS
 	bool "Overflow checks"
-	default n
+	default y
 	depends on RUST
 	help
 	  Enables rustc's `-Coverflow-checks` codegen option.
@@ -2568,7 +2568,7 @@ config RUST_OVERFLOW_CHECKS
 
 	  Note that this will apply to all Rust code, including `core`.
 
-	  If unsure, say N.
+	  If unsure, say Y.
 
 choice
 	prompt "Optimization level"