[FIX] add null to the end of the string

diff --git a/writer/swap_writer_module.c b/writer/swap_writer_module.c
index 8bc2c7e..95f1ace 100644 (file)
--- a/writer/swap_writer_module.c
+++ b/writer/swap_writer_module.c
@@ -475,6 +475,8 @@ static int pack_args(char *buf, int len, const char *fmt, struct pt_regs *regs)
                        if (ret < 0)
                                return -EFAULT;
 
+                       buf[ret] = '\0';
+
                        buf += ret + 1;
                        len -= ret + 1;
                }