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Mon, 18 May 2026 23:45:21 -0700 (PDT) Date: Tue, 19 May 2026 15:45:16 +0900 From: Hyunwoo Kim To: Rajat Gupta Cc: aaron1esau@gmail.com, ben@decadent.org.uk, davem@davemloft.net, dsahern@kernel.org, edumazet@google.com, herbert@gondor.apana.org.au, horms@kernel.org, jiayuan.chen@linux.dev, kerneljasonxing@gmail.com, kuba@kernel.org, kuniyu@google.com, malin89@huawei.com, mhal@rbox.co, netdev@vger.kernel.org, pabeni@redhat.com, sd@queasysnail.net, stable@vger.kernel.org, steffen.klassert@secunet.com, sultan@kerneltoast.com, tanjingguo@huawei.com, imv4bel@gmail.com Subject: Re: [PATCH net v5] net: skbuff: propagate shared-frag marker through frag-transfer helpers Message-ID: References: <20260519040232.1395-1-rajat.gupta@oss.qualcomm.com> 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: <20260519040232.1395-1-rajat.gupta@oss.qualcomm.com> On Mon, May 18, 2026 at 09:02:32PM -0700, Rajat Gupta wrote: > The skb_gro_receive() and skb_shift() fixes look correct -- we > independently reported both to security@kernel.org with working Thank you for testing. When did you report it? The two PoCs were already public. Best regards, Hyunwoo Kim > LPE exploits confirming they are exploitable from unprivileged > user namespaces. > > Could you add the following tags when respinning or applying? > > Reported-by: Rajat Gupta > Tested-by: Rajat Gupta > > Thanks, > Rajat