[RFC PATCH 8/8] KEYS: Verify the key identity in __keyctl_unlink

[Jarkko Sakkinen]

On Mon, Oct 19, 2026 at 04:55:13PM +0100, David Howells wrote:
> This will show it:
> 
> 	keyctl newring ring_a @s
> 	keyctl newring ring_b @s
> 	A=`keyctl add user A ss %:ring_a`
> 	B=`keyctl add user A qq %:ring_b`
> 	keyctl newring R @s
> 	keyctl show
> 	keyctl link $A %:R
> 	keyctl show
> 	keyctl link $B %:R
> 	keyctl show
> 	keyctl unlink $A %:R
> 	keyctl show  # R is now incorrectly empty
> 
> Reviewed-by: David Howells <dhowells at redhat.com>

I'll actually add this to my own test harness, thanks.

I'm a slightly worried of this patch given that you can
technically interpret it as a uapi change. I guess here it
is acceptable, and if a tree falls down, we'll respond
to that.

Br, Jarkko