Re: [PATCH 5.15.y] io_uring: prevent opcode speculation
Sasha Levin <[email protected]>
| Newsgroups | org.kernel.vger.io-uring,org.kernel.vger.linux-kernel,org.kernel.vger.stable |
|---|---|
| Message-ID | <[email protected]> |
> From: Pavel Begunkov <[email protected]> > > [ Upstream commit 1e988c3fe1264708f4f92109203ac5b1d65de50b ] > > sqe->opcode is used for different tables, make sure we santitise it > against speculations. [...] > [ Use req->opcode instead of opcode here. ] > Signed-off-by: Robert Garcia <[email protected]> Thanks for the backport. Upstream 1e988c3fe126 is currently queued or present on 6.6, 6.12, 6.18 and 7.0, but it is missing from both 5.15 and 6.1 - we should not skip 6.1 when backporting a Cc:stable fix to 5.15. Could you send a matching backport for 6.1 as well? Once we have coverage from 6.1 onwards I'll queue both together. -- Thanks, Sasha