Update antiasan.c

as10968574 · web-flow · commit 4e90742a881a · 2024-06-12T01:02:51.000+08:00
diff --git a/lab5/antiasan.c b/lab5/antiasan.c
@@ -1,5 +1,8 @@
-// TODO:
+#include <stddef.h>
+#include <stdint.h>
+
 void antiasan(unsigned long addr)
 {
-
+    uintptr_t shadow_addr = (addr >> 3) + 0x7fff8000;
+    *(volatile char *)shadow_addr = 0;
 }

Original file line number	Diff line number	Diff line change
`@@ -1,5 +1,8 @@`
`1`		`-// TODO:`
	`1`	`+#include <stddef.h>`
	`2`	`+#include <stdint.h>`
	`3`	`+`
`2`	`4`	`void antiasan(unsigned long addr)`
`3`	`5`	`{`
`4`		`-`
	`6`	`+ uintptr_t shadow_addr = (addr >> 3) + 0x7fff8000;`
	`7`	`+ (volatile char )shadow_addr = 0;`
`5`	`8`	`}`