On Tuesday 2014-01-07 19:56, Sam Liddicott wrote: >[0003] >@@ -79,9 +80,35 @@ quota_proc_write(struct file *file, const char __user *input, > if (size < sizeof(buf)) > buf[size]=0; > >- spin_lock_bh(&e->lock); >- e->quota = simple_strtoull(buf, NULL, 0); >- spin_unlock_bh(&e->lock); >+ while (isspace(*c)) >+ c++; >+ >+ if (size - (c - buf) < 1) /* min string length */ >+ return c - buf; Because @input is copied to @buf and that is size-limited, a string like " +-123" would be recognizd as -12 rather than -123. So, don't bother with spaces at all. -- To unsubscribe from this list: send the line "unsubscribe netfilter-devel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
