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Sun, 28 Apr 2024 04:11:42 -0700 (PDT) From: Akihiko Odaki Date: Sun, 28 Apr 2024 20:11:23 +0900 Subject: [PATCH 2/2] Revert "hw/net/net_tx_pkt: Fix overrun in update_sctp_checksum()" MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20240428-iov-v1-2-7b2dd601d80b@daynix.com> References: <20240428-iov-v1-0-7b2dd601d80b@daynix.com> In-Reply-To: <20240428-iov-v1-0-7b2dd601d80b@daynix.com> To: =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= , Dmitry Fleytman , Jason Wang Cc: qemu-devel@nongnu.org, Akihiko Odaki X-Mailer: b4 0.14-dev-01a33 Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: none client-ip=2607:f8b0:4864:20::535; envelope-from=akihiko.odaki@daynix.com; helo=mail-pg1-x535.google.com X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_NONE=0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @daynix-com.20230601.gappssmtp.com) X-ZM-MESSAGEID: 1714302753408100003 This reverts commit 83ddb3dbba2ee0f1767442ae6ee665058aeb1093. The added check is no longer necessary due to a change of iov_from_buf(). Signed-off-by: Akihiko Odaki Reviewed-by: Philippe Mathieu-Daud=C3=A9 --- hw/net/net_tx_pkt.c | 4 ---- 1 file changed, 4 deletions(-) diff --git a/hw/net/net_tx_pkt.c b/hw/net/net_tx_pkt.c index b7b1de816dc5..2134a18c4c90 100644 --- a/hw/net/net_tx_pkt.c +++ b/hw/net/net_tx_pkt.c @@ -141,10 +141,6 @@ bool net_tx_pkt_update_sctp_checksum(struct NetTxPkt *= pkt) uint32_t csum =3D 0; struct iovec *pl_start_frag =3D pkt->vec + NET_TX_PKT_PL_START_FRAG; =20 - if (iov_size(pl_start_frag, pkt->payload_frags) < 8 + sizeof(csum)) { - return false; - } - if (iov_from_buf(pl_start_frag, pkt->payload_frags, 8, &csum, sizeof(c= sum)) < sizeof(csum)) { return false; } --=20 2.44.0