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Thu, 08 Oct 2020 04:31:42 -0700 (PDT) From: Alin Nastac To: Felix Fietkau , Hans Dedecker , openwrt-devel@lists.openwrt.org Subject: [PATCH][netifd] system-linux: initialize ifreq struct before using it Date: Thu, 8 Oct 2020 13:31:37 +0200 Message-Id: <1602156697-16669-1-git-send-email-alin.nastac@gmail.com> X-Mailer: git-send-email 2.7.4 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20201008_073145_947038_868E8BDB X-CRM114-Status: GOOD ( 10.67 ) X-Spam-Score: -0.2 (/) X-Spam-Report: SpamAssassin version 3.4.4 on merlin.infradead.org summary: Content analysis details: (-0.2 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at https://www.dnswl.org/, no trust [2a00:1450:4864:20:0:0:0:343 listed in] [list.dnswl.org] -0.0 SPF_PASS SPF: sender matches SPF record 0.0 FREEMAIL_FROM Sender email is commonly abused enduser mail provider [alin.nastac[at]gmail.com] 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain X-BeenThere: openwrt-devel@lists.openwrt.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: OpenWrt Development List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: "openwrt-devel" Errors-To: openwrt-devel-bounces+incoming=patchwork.ozlabs.org@lists.openwrt.org Signed-off-by: Alin Nastac --- system-linux.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/system-linux.c b/system-linux.c index 6778b1d..9188899 100644 --- a/system-linux.c +++ b/system-linux.c @@ -904,6 +904,8 @@ failure: int system_if_resolve(struct device *dev) { struct ifreq ifr; + + memset(&ifr, 0, sizeof(ifr)); strncpy(ifr.ifr_name, dev->ifname, sizeof(ifr.ifr_name) - 1); if (!ioctl(sock_ioctl, SIOCGIFINDEX, &ifr)) return ifr.ifr_ifindex;