nshlib: Fix stack-buffer-overflow of nsh_redirect()

Board/Config/Command sim:nsh cat < /etc/init.d/rc.sysinit Problem The NSH hangs after exec the test command. `nsh_redirect()` needs to save three fd but array length is only two, stack buffer overflowed! Related: apache#2469 Signed-off-by: wangjianyu3 <[email protected]>
xiaoxiang781216 · Oct 13, 2024 · 0f5a786 · 0f5a786
1 parent 2429b2e
commit 0f5a786
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/nshlib/nsh_console.h b/nshlib/nsh_console.h
@@ -71,7 +71,7 @@
  * See struct serialsave_s in nsh_console.c
  */
 
-#define SAVE_SIZE (2 * sizeof(int))
+#define SAVE_SIZE (3 * sizeof(int))
 
 /* Are we using the NuttX console for I/O?  Or some other character device? */