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Fri, 21 Aug 2026 02:14:46 -0700 (PDT) Received: from JUNVYYANG-MC1.tencent.com ([43.132.141.21]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2d62e3cf1e3sm16141265ad.72.2026.08.21.02.14.44 (version=TLS1_3 cipher=TLS_CHACHA20_POLY1305_SHA256 bits=256/256); Fri, 21 Aug 2026 02:14:46 -0700 (PDT) From: Jun Yang X-Google-Original-From: Jun Yang To: linux-sctp@vger.kernel.org, netdev@vger.kernel.org Cc: marcelo.leitner@gmail.com, lucien.xin@gmail.com, davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, horms@kernel.org, Jun Yang Subject: [PATCH net v3 0/2] sctp: handle wrapped and duplicate RECONF responses Date: Fri, 21 Aug 2026 17:14:37 +0800 Message-ID: <20260821091440.6496-1-junvyyang@tencent.com> X-Mailer: git-send-email 2.50.1 Precedence: bulk X-Mailing-List: linux-sctp@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Fix response sequence zero lookup first, then make RECONF response handling idempotent with an outstanding-request bitmask. Jun Yang (2): sctp: distinguish sequence zero from wildcard in reconf lookup sctp: fix stream->outcnt underflow on duplicate RECONF responses include/net/sctp/structs.h | 2 +- net/sctp/stream.c | 46 ++++++++++++++++++++++++++------------ 2 files changed, 33 insertions(+), 15 deletions(-) --- Changes since v2: - Split the sequence-zero lookup fix into patch 1 as requested. v2: https://lore.kernel.org/netdev/20260804113100.37840-1-juny24602@gmail.com/ -- 2.55.0