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[91.157.170.157]) by smtp.gmail.com with ESMTPSA id 2sm139854lja.37.2016.06.08.06.31.02 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Wed, 08 Jun 2016 06:31:02 -0700 (PDT) From: riku.voipio@linaro.org To: qemu-devel@nongnu.org Date: Wed, 8 Jun 2016 16:30:11 +0300 Message-Id: <666875306e03e1f94e1d4c808502585c10abc69a.1465392531.git.riku.voipio@linaro.org> X-Mailer: git-send-email 2.1.4 In-Reply-To: References: X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 2a00:1450:4010:c07::231 Subject: [Qemu-devel] [PULL 30/44] linux-user: Use safe_syscall wrapper for send* and recv* syscalls X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Peter Maydell Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" X-Virus-Scanned: ClamAV using ClamSMTP From: Peter Maydell Use the safe_syscall wrapper for the send, sendto, sendmsg, recv, recvfrom and recvmsg syscalls. RV: adjusted to apply Signed-off-by: Peter Maydell Signed-off-by: Riku Voipio --- linux-user/syscall.c | 19 +++++++++++++------ 1 file changed, 13 insertions(+), 6 deletions(-) diff --git a/linux-user/syscall.c b/linux-user/syscall.c index b363944..bcae62d 100644 --- a/linux-user/syscall.c +++ b/linux-user/syscall.c @@ -716,6 +716,12 @@ safe_syscall3(ssize_t, readv, int, fd, const struct iovec *, iov, int, iovcnt) safe_syscall3(ssize_t, writev, int, fd, const struct iovec *, iov, int, iovcnt) safe_syscall3(int, connect, int, fd, const struct sockaddr *, addr, socklen_t, addrlen) +safe_syscall6(ssize_t, sendto, int, fd, const void *, buf, size_t, len, + int, flags, const struct sockaddr *, addr, socklen_t, addrlen) +safe_syscall6(ssize_t, recvfrom, int, fd, void *, buf, size_t, len, + int, flags, struct sockaddr *, addr, socklen_t *, addrlen) +safe_syscall3(ssize_t, sendmsg, int, fd, const struct msghdr *, msg, int, flags) +safe_syscall3(ssize_t, recvmsg, int, fd, struct msghdr *, msg, int, flags) static inline int host_to_target_sock_type(int host_type) { @@ -2910,10 +2916,10 @@ static abi_long do_sendrecvmsg_locked(int fd, struct target_msghdr *msgp, ret = target_to_host_cmsg(&msg, msgp); } if (ret == 0) { - ret = get_errno(sendmsg(fd, &msg, flags)); + ret = get_errno(safe_sendmsg(fd, &msg, flags)); } } else { - ret = get_errno(recvmsg(fd, &msg, flags)); + ret = get_errno(safe_recvmsg(fd, &msg, flags)); if (!is_error(ret)) { len = ret; if (fd_trans_host_to_target_data(fd)) { @@ -3162,9 +3168,9 @@ static abi_long do_sendto(int fd, abi_ulong msg, size_t len, int flags, unlock_user(host_msg, msg, 0); return ret; } - ret = get_errno(sendto(fd, host_msg, len, flags, addr, addrlen)); + ret = get_errno(safe_sendto(fd, host_msg, len, flags, addr, addrlen)); } else { - ret = get_errno(send(fd, host_msg, len, flags)); + ret = get_errno(safe_sendto(fd, host_msg, len, flags, NULL, 0)); } unlock_user(host_msg, msg, 0); return ret; @@ -3193,10 +3199,11 @@ static abi_long do_recvfrom(int fd, abi_ulong msg, size_t len, int flags, goto fail; } addr = alloca(addrlen); - ret = get_errno(recvfrom(fd, host_msg, len, flags, addr, &addrlen)); + ret = get_errno(safe_recvfrom(fd, host_msg, len, flags, + addr, &addrlen)); } else { addr = NULL; /* To keep compiler quiet. */ - ret = get_errno(qemu_recv(fd, host_msg, len, flags)); + ret = get_errno(safe_recvfrom(fd, host_msg, len, flags, NULL, 0)); } if (!is_error(ret)) { if (target_addr) {