sanitizer.c

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#include "console/console.h"
#include "libk/serial.h"
#include <type.h>
#include <type.h>
 
uintptr_t __stack_chk_guard = 0x595e9fbd94fda766;
 
__attribute__((noreturn, used, visibility("default"), section(".export"))) void
__stack_chk_fail(void);
 
typedef struct stackframe {
    struct stackframe* rbp;
    uint64_t rip;
} stackframe_t;
 
static void stacktrace(void) {
    stackframe_t* frame;
 
    asm volatile("mov %%rbp, %0" : "=r"(frame));
 
    while (frame) {
        serial2_printf("0x%p ", frame->rip);
        frame = frame->rbp;
    }
}
 
__attribute__((noreturn, used, visibility("default"), section(".export"))) void
__stack_chk_fail(void) {
    serial2_printf("STACK CORRUPTION DETECTED\n");
    console_printf("STACK CORRUPTION DETECTED\n");
 
    stacktrace();
 
    while (1) {
        __asm__ volatile("cli");
        __asm__ volatile("hlt");
    }
}