[DM][PIC] Fix #10998

GuEe-GUI · GuEe-GUI · commit 34da8f9c6ea9 · 2025-12-08T11:22:05.000+08:00
The size of cpumask is `RT_CPUS_NR`, memset force to space will
overflow in stack.

Signed-off-by: GuEe-GUI &lt;2991707448@qq.com&gt;
diff --git a/components/drivers/pic/pic.c b/components/drivers/pic/pic.c
@@ -1254,11 +1254,11 @@ static int list_irq(int argc, char**argv)
 
         rt_kputs(info);
     #ifdef RT_USING_SMP
+        rt_kputs(cpumask);
         if (RT_CPUS_NR < 4)
         {
-            rt_memset(&cpumask[RT_CPUS_NR], ' ', 4 - RT_CPUS_NR);
+            rt_kprintf("%-*.s", 4 - RT_CPUS_NR, " ");
         }
-        rt_kputs(cpumask);
     #endif
 
     #ifdef RT_USING_INTERRUPT_INFO

Original file line number	Diff line number	Diff line change
`@@ -1254,11 +1254,11 @@ static int list_irq(int argc, char**argv)`
`1254`	`1254`
`1255`	`1255`	`rt_kputs(info);`
`1256`	`1256`	`#ifdef RT_USING_SMP`
	`1257`	`+ rt_kputs(cpumask);`
`1257`	`1258`	`if (RT_CPUS_NR < 4)`
`1258`	`1259`	`{`
`1259`		`- rt_memset(&cpumask[RT_CPUS_NR], ' ', 4 - RT_CPUS_NR);`
	`1260`	`+ rt_kprintf("%-*.s", 4 - RT_CPUS_NR, " ");`
`1260`	`1261`	`}`
`1261`		`- rt_kputs(cpumask);`
`1262`	`1262`	`#endif`
`1263`	`1263`
`1264`	`1264`	`#ifdef RT_USING_INTERRUPT_INFO`