Re: [PATCH AUTOSEL 5.10 4/5] fs/super.c: stop calling fscrypt_destroy_keyring() from __put_super()

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Hi!

> From: Eric Biggers <ebiggers@xxxxxxxxxx>
> 
> [ Upstream commit ec64036e68634231f5891faa2b7a81cdc5dcd001 ]
> 
> Now that the key associated with the "test_dummy_operation" mount option
> is added on-demand when it's needed, rather than immediately when the
> filesystem is mounted, fscrypt_destroy_keyring() no longer needs to be
> called from __put_super() to avoid a memory leak on mount failure.
> 
> Remove this call, which was causing confusion because it appeared to be
> a sleep-in-atomic bug (though it wasn't, for a somewhat-subtle
> reason).

Not a bugfix, so should not be in -stable. Plus, have someone verified
that its dependencies are in 5.10?

Best regards,
								Pavel
> +++ b/fs/super.c
> @@ -293,7 +293,6 @@ static void __put_super(struct super_block *s)
>  		WARN_ON(s->s_inode_lru.node);
>  		WARN_ON(!list_empty(&s->s_mounts));
>  		security_sb_free(s);
> -		fscrypt_destroy_keyring(s);
>  		put_user_ns(s->s_user_ns);
>  		kfree(s->s_subtype);
>  		call_rcu(&s->rcu, destroy_super_rcu);

-- 
People of Russia, stop Putin before his war on Ukraine escalates.

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