Re: [PATCH] integrity: fix IMA inode leak

From: Linus Torvalds
Date: Sat Jun 06 2009 - 17:35:45 EST




On Sat, 6 Jun 2009, Linus Torvalds wrote:
>
> On Sat, 6 Jun 2009, Hugh Dickins wrote:
> >
> > CONFIG_IMA=y inode activity leaks iint_cache and radix_tree_node objects
> > until the system runs out of memory. Nowhere is calling ima_inode_free()
> > a.k.a. ima_iint_delete(). Fix that by calling it from destroy_inode().
>
> Shouldn't we call it from "security_inode_free()" instead? And shouldn't
> it be allocated in "security_inode_alloc()"? That sounds like the correct
> nesting here, since the whole integrity thing is under the security
> module.
>
> Hmm?

Oh well. I applied the patch as-is, since it seems to fix a real issue.

But I do think fs/inode.c shouldn't care about things like that, and have
it internal to security_inode_alloc/free(). But I guess that's a separate
cleanup.

Linus
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