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Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Simon Horman , Aaron Conole , Eelco Chaudron , Ilya Maximets , linux-kernel@vger.kernel.org, dev@openvswitch.org Subject: Re: [PATCH net v2 3/3] net: skbuff: don't touch shared zerocopy state in skb_tx_error() Date: Tue, 18 Aug 2026 03:30:09 +0900 Message-ID: <20260817183009.357-2-payload.jang@gmail.com> X-Mailer: git-send-email 2.53.0 In-Reply-To: References: Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Hi Norbert, I independently tested this patch as part of the v2 series using a separate, non-destructive page-cache canary reproducer. The test exercised the cloned OVS path while the original skb continued through the remaining actions: clone(userspace(pid=1)),2 Before the fix, the root-owned read-only page-cache canary changed. With v2 applied, the canary remained unchanged. No kernel warning, oops, or panic was observed. Tested-by: Jongmin Jang Best regards, Jongmin Jang