From nobody Fri Oct 3 21:09:49 2025 Received: from m16.mail.163.com (m16.mail.163.com [220.197.31.3]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 78A5F111BF; Tue, 26 Aug 2025 03:16:17 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=220.197.31.3 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1756178182; cv=none; b=ohmHjzvEWHa1n/jH2vn1/cMQYQ0naOkl66knQ3Wjr2vRToVxcbVaDzR04QITlshQ9zPljQxxVotgUZJYAlAkCoQeLCA4IQNgFfkG+Dw/5+S8c52CKeDhoj/y5psXRETGAch74BMZS+AVVZ/BsCpcQ67IhzdFROAxvJ9cjsodrMg= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1756178182; c=relaxed/simple; bh=9zT4hWxS3/93eiB1fYlXIG8klRDOKyVmSADjtbJ/Sog=; h=From:To:Cc:Subject:Date:Message-Id:MIME-Version; b=Dtooxv1mcL5ioOtPZ1RvjUC7TQWU2Wmx3WhtAOsuGmfvHh8HAHpZrWsqZAgxbyDVIjm45zAOPo7ecWwuav8aMPizHjp5PqjIZnrXnL6Wbc3Xu2dv+SePQ+SplkJuPwn/8euzo7n+CD9DJCQvXK/6bEyuJRj/4Wptk0XC4xjT+xQ= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=163.com; spf=pass smtp.mailfrom=163.com; dkim=pass (1024-bit key) header.d=163.com header.i=@163.com header.b=Wmt6NYM1; arc=none smtp.client-ip=220.197.31.3 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=163.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=163.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=163.com header.i=@163.com header.b="Wmt6NYM1" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=163.com; s=s110527; h=From:To:Subject:Date:Message-Id:MIME-Version; bh=/u /MkC1hJIU5or58FyCsCRK1iVr+/aJ7pfuUQnsJ8uk=; b=Wmt6NYM1HTPl1oKM1r edp2Q2YLqFRVYCJL9eFXeVswve1UACtDQl4Ib/uF04MrGjXyuICyuyJFgKddn9Sj AZwFAFbJqdHDtrAq+ukeTFgdWkuZ/QEP9HN0NpD4bfaMbE4cgcdELqjn0xi+YjEQ 48vdC5SuIf/MJnVXGRTtdFLt8= Received: from thinkpadx13gen2i.. (unknown []) by gzsmtp5 (Coremail) with SMTP id QCgvCgC3aQveJq1oOSNvAg--.56318S2; Tue, 26 Aug 2025 11:15:43 +0800 (CST) From: Zongmin Zhou To: davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, horms@kernel.org, shuah@kernel.org Cc: netdev@vger.kernel.org, linux-kselftest@vger.kernel.org, linux-kernel@vger.kernel.org, Zongmin Zhou Subject: [PATCH] selftests: net: avoid memory leak Date: Tue, 26 Aug 2025 11:15:40 +0800 Message-Id: <20250826031540.28010-1-min_halo@163.com> X-Mailer: git-send-email 2.34.1 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-CM-TRANSID: QCgvCgC3aQveJq1oOSNvAg--.56318S2 X-Coremail-Antispam: 1Uf129KBjvdXoWrZFWktF15uF18Cw1fGFy8Zrb_yoWDCFXE9r Z2vFZ7Gr4vyF1qk3sFg3s5ur93Ka98Crs7JFnrJa13K34jqay5GFZ7C34kAFn3Wan5ta43 Z3WfArZ3C3yj9jkaLaAFLSUrUUUUjb8apTn2vfkv8UJUUUU8Yxn0WfASr-VFAUDa7-sFnT 9fnUUvcSsGvfC2KfnxnUUI43ZEXa7IUj_-P5UUUUU== X-CM-SenderInfo: pplqsxxdorqiywtou0bp/xtbBzQu1q2itImCIgAAAsX Content-Type: text/plain; charset="utf-8" From: Zongmin Zhou The buffer be used without free,fix it to avoid memory leak. Signed-off-by: Zongmin Zhou --- tools/testing/selftests/net/cmsg_sender.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/tools/testing/selftests/net/cmsg_sender.c b/tools/testing/self= tests/net/cmsg_sender.c index a825e628aee7..5358aa09ecb9 100644 --- a/tools/testing/selftests/net/cmsg_sender.c +++ b/tools/testing/selftests/net/cmsg_sender.c @@ -491,6 +491,7 @@ int main(int argc, char *argv[]) if (err) { fprintf(stderr, "Can't resolve address [%s]:%s\n", opt.host, opt.service); + free(buf); return ERN_SOCK_CREATE; } =20 @@ -501,6 +502,7 @@ int main(int argc, char *argv[]) if (fd < 0) { fprintf(stderr, "Can't open socket: %s\n", strerror(errno)); freeaddrinfo(ai); + free(buf); return ERN_RESOLVE; } =20 @@ -575,5 +577,6 @@ int main(int argc, char *argv[]) err_out: close(fd); freeaddrinfo(ai); + free(buf); return err; } --=20 2.34.1