From: Andrew Morton <akpm@osdl.org>

Actually, the decimal representation of a 32-bit signed number can take 12
bytes, including the \0.

And then some code adds a \n as well, so let's give it 13 bytes.

Signed-off-by: Andrew Morton <akpm@osdl.org>
---

 fs/proc/base.c |    2 +-
 1 files changed, 1 insertion(+), 1 deletion(-)

diff -puN fs/proc/base.c~proc_numbuf-is-wrong fs/proc/base.c
--- a/fs/proc/base.c~proc_numbuf-is-wrong
+++ a/fs/proc/base.c
@@ -86,7 +86,7 @@
 
 
 /* Worst case buffer size needed for holding an integer. */
-#define PROC_NUMBUF 10
+#define PROC_NUMBUF 13
 
 struct pid_entry {
 	int len;
_