ecfcc07a48
Dstaddr may contain uninitialized padding at the end (common implementations accept larger addrlen and ignore the extra bytes). Also, depending on the socket state, dstaddr argument may be ignored. llvm-svn: 273205
84 lines
2.8 KiB
C++
84 lines
2.8 KiB
C++
// RUN: %clangxx_msan %s -DSEND -DPOISON -o %t && not %run %t 2>&1 | FileCheck %s --check-prefix=SEND
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// RUN: %clangxx_msan %s -DSENDTO -DPOISON -o %t && not %run %t 2>&1 | FileCheck %s --check-prefix=SENDTO
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// RUN: %clangxx_msan %s -DSENDMSG -DPOISON -o %t && not %run %t 2>&1 | FileCheck %s --check-prefix=SENDMSG
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// RUN: %clangxx_msan %s -DSEND -o %t && %run %t 2>&1 | FileCheck %s --check-prefix=NEGATIVE
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// RUN: %clangxx_msan %s -DSENDTO -o %t && %run %t 2>&1 | FileCheck %s --check-prefix=NEGATIVE
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// RUN: %clangxx_msan %s -DSENDMSG -o %t && %run %t 2>&1 | FileCheck %s --check-prefix=NEGATIVE
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// RUN: %clangxx_msan %s -DSEND -DPOISON -o %t && \
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// RUN: MSAN_OPTIONS=intercept_send=0 %run %t 2>&1 | FileCheck %s --check-prefix=NEGATIVE
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// RUN: %clangxx_msan %s -DSENDTO -DPOISON -o %t && \
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// RUN: MSAN_OPTIONS=intercept_send=0 %run %t 2>&1 | FileCheck %s --check-prefix=NEGATIVE
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// RUN: %clangxx_msan %s -DSENDMSG -DPOISON -o %t && \
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// RUN: MSAN_OPTIONS=intercept_send=0 %run %t 2>&1 | FileCheck %s --check-prefix=NEGATIVE
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// UNSUPPORTED: android
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#include <assert.h>
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#include <stdio.h>
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#include <unistd.h>
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#include <stdlib.h>
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#include <string.h>
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#include <netdb.h>
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#include <sys/types.h>
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#include <sys/socket.h>
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#include <sanitizer/msan_interface.h>
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const int kBufSize = 10;
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int sockfd;
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int main() {
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int ret;
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char buf[kBufSize] = {0};
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pthread_t client_thread;
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struct sockaddr_in serveraddr;
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sockfd = socket(AF_INET, SOCK_DGRAM, 0);
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memset(&serveraddr, 0, sizeof(serveraddr));
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serveraddr.sin_family = AF_INET;
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serveraddr.sin_addr.s_addr = htonl(INADDR_ANY);
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serveraddr.sin_port = 0;
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bind(sockfd, (struct sockaddr *)&serveraddr, sizeof(serveraddr));
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socklen_t addrlen = sizeof(serveraddr);
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getsockname(sockfd, (struct sockaddr *)&serveraddr, &addrlen);
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#if defined(POISON)
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__msan_poison(buf + 7, 1);
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#endif
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#if defined(SENDMSG)
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struct iovec iov[2] = {{buf, 5}, {buf + 5, 5}};
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struct msghdr msg;
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msg.msg_name = &serveraddr;
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msg.msg_namelen = addrlen;
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msg.msg_iov = iov;
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msg.msg_iovlen = 2;
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msg.msg_control = 0;
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msg.msg_controllen = 0;
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msg.msg_flags = 0;
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#endif
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#if defined(SEND)
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ret = connect(sockfd, (struct sockaddr *)&serveraddr, addrlen);
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assert(ret == 0);
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ret = send(sockfd, buf, kBufSize, 0);
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// SEND: Uninitialized bytes in __interceptor_send at offset 7 inside [{{.*}}, 10)
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assert(ret > 0);
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#elif defined(SENDTO)
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ret =
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sendto(sockfd, buf, kBufSize, 0, (struct sockaddr *)&serveraddr, addrlen);
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// SENDTO: Uninitialized bytes in __interceptor_sendto at offset 7 inside [{{.*}}, 10)
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assert(ret > 0);
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#elif defined(SENDMSG)
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ret = sendmsg(sockfd, &msg, 0);
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// SENDMSG: Uninitialized bytes in {{.*}} at offset 2 inside [{{.*}}, 5)
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assert(ret > 0);
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#endif
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fprintf(stderr, "== done\n");
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// NEGATIVE: == done
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return 0;
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}
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