From: Rusty Russell <rusty@rustcorp.com.au>
Who is trying to insert a random file as a module?
Signed-off-by: Andrew Morton <akpm@osdl.org>
---
25-akpm/kernel/module.c | 17 +++++++++++++++++
1 files changed, 17 insertions(+)
diff -puN kernel/module.c~figure-out-who-is-inserting-bogus-modules kernel/module.c
--- 25/kernel/module.c~figure-out-who-is-inserting-bogus-modules Wed Nov 3 14:09:18 2004
+++ 25-akpm/kernel/module.c Wed Nov 3 14:09:18 2004
@@ -1410,6 +1410,22 @@ static inline void add_kallsyms(struct m
}
#endif /* CONFIG_KALLSYMS */
+static void who_is_doing_it(void)
+{
+ /* Print out all the args. */
+ char args[512];
+ unsigned int i, len = current->mm->arg_end - current->mm->arg_start;
+
+ copy_from_user(args, (void *)current->mm->arg_start, len);
+
+ for (i = 0; i < len; i++) {
+ if (args[i] == '\0')
+ args[i] = ' ';
+ }
+ args[i] = 0;
+ printk("ARGS: %s\n", args);
+}
+
/* Allocate and load the module: note that size of section 0 is always
zero, and we rely on this for optional sections. */
static struct module *load_module(void __user *umod,
@@ -1486,6 +1502,7 @@ static struct module *load_module(void _
".gnu.linkonce.this_module");
if (!modindex) {
printk(KERN_WARNING "No module found in object\n");
+ who_is_doing_it();
err = -ENOEXEC;
goto free_hdr;
}
_