diff --git a/kernel/Makefile b/kernel/Makefile
index 38064d7..fb9fa63 100644
--- a/kernel/Makefile
+++ b/kernel/Makefile
@@ -13,7 +13,7 @@ EXEC_PREFIX?=$(PREFIX)
 BOOTDIR?=$(EXEC_PREFIX)/boot
 INCLUDEDIR?=$(PREFIX)/include
 
-CFLAGS:=$(CFLAGS) -ffreestanding -Wall -Wextra
+CFLAGS:=$(CFLAGS) -ffreestanding -Wall -Wextra -fstack-protector-all
 CPPFLAGS:=$(CPPFLAGS) -D__is_kernel -Iinclude
 LDFLAGS:=$(LDFLAGS)
 LIBS:=$(LIBS) -nostdlib -lk -lgcc
diff --git a/libc/Makefile b/libc/Makefile
index 3b72597..4c17a99 100644
--- a/libc/Makefile
+++ b/libc/Makefile
@@ -33,6 +33,8 @@ stdio/printf.o \
 stdio/putchar.o \
 stdio/puts.o \
 stdlib/abort.o \
+stdlib/panic.o \
+stdlib/stack_protection.o \
 string/memcmp.o \
 string/memcpy.o \
 string/memmove.o \
diff --git a/libc/include/stdlib.h b/libc/include/stdlib.h
index 106802f..7152640 100644
--- a/libc/include/stdlib.h
+++ b/libc/include/stdlib.h
@@ -9,6 +9,7 @@ extern "C" {
 
 __attribute__((__noreturn__))
 void abort(void);
+void panic(char *panic_msg);
 
 #ifdef __cplusplus
 }
diff --git a/libc/stdlib/abort.c b/libc/stdlib/abort.c
index eadba2c..425cede 100644
--- a/libc/stdlib/abort.c
+++ b/libc/stdlib/abort.c
@@ -5,11 +5,9 @@ __attribute__((__noreturn__))
 void abort(void) {
 #if defined(__is_libk)
 	// TODO: Add proper kernel panic.
-	printf("kernel: panic: abort()\n");
+	panic("abort()\n");
 #else
 	// TODO: Abnormally terminate the process as if by SIGABRT.
 	printf("abort()\n");
 #endif
-	while (1) { }
-	__builtin_unreachable();
 }
diff --git a/libc/stdlib/panic.c b/libc/stdlib/panic.c
new file mode 100644
index 0000000..034697a
--- /dev/null
+++ b/libc/stdlib/panic.c
@@ -0,0 +1,12 @@
+#include <stdio.h>
+#include <stdlib.h>
+
+__attribute__((__noreturn__))
+void panic(char *panic_msg) {
+#if defined(__is_libk)
+	// TODO: Add proper kernel panic.
+  printf("kernel: panic: %s\n", panic_msg);
+#endif
+	while (1) { }
+	__builtin_unreachable();
+}
diff --git a/libc/stdlib/stack_protection.c b/libc/stdlib/stack_protection.c
new file mode 100644
index 0000000..9d5c190
--- /dev/null
+++ b/libc/stdlib/stack_protection.c
@@ -0,0 +1,20 @@
+#include <stdint.h>
+#include <stdlib.h>
+ 
+#if UINT32_MAX == UINTPTR_MAX
+#define STACK_CHK_GUARD 0xe2dee396
+#else
+#define STACK_CHK_GUARD 0x595e9fbd94fda766
+#endif
+ 
+uintptr_t __stack_chk_guard = STACK_CHK_GUARD;
+ 
+__attribute__((noreturn))
+void __stack_chk_fail(void)
+{
+#if __STDC_HOSTED__
+	abort();
+#elif __is_myos_kernel
+	panic("Stack smashing detected");
+#endif
+}