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[27.53.137.220]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-84c2abe3e23sm7011304b3a.0.2026.07.21.01.04.02 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 21 Jul 2026 01:04:03 -0700 (PDT) Date: Tue, 21 Jul 2026 16:03:58 +0800 From: Shung-Hsi Yu To: Sasha Levin Cc: stable@vger.kernel.org, Puranjay Mohan Subject: Re: [PATCH stable 6.18 0/6] bpf: verifier: linked register tests and fixes Message-ID: References: <20260717044731.121353-1-shung-hsi.yu@suse.com> <20260718192718.0008-stable-reply@kernel.org> Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: On Tue, Jul 21, 2026 at 02:45:15PM +0800, Shung-Hsi Yu wrote: > On Sun, Jul 19, 2026 at 11:00:22AM -0400, Sasha Levin wrote: > > > This patchset mainly aims to backport upstream commit 1b327732c846 > > > ("bpf: Clear delta when clearing reg id for non-{add,sub} ops") (patch > > > 4), and its selftests patch in commit cac16ce1e378 ("selftests/bpf: Add > > > tests for stale delta leaking through id reassignment") (patch 6). > > > > Queued the series for 6.18, thanks. [...] > I going with the conservative approach of reverting b0388bafa494. > However that also means that commit 1b327732c846 "bpf: Clear delta when > clearing reg id for non-{add,sub} ops" will no longer apply cleanly. Let > me send a v2 to address this whole thing. Nevermind, this patchset doesn't need a refresh. Commit 1b327732c846 ("bpf: Clear delta when clearing reg id for non-{add,sub} ops") fails to apply due to a different reason unrelated to the revert. Please keep this patchset in the queue. I'll send the revert for b0388bafa494 separately.