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Write test for stack overflow detection

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This commit is contained in:
Justine Tunney 2022-05-23 15:52:26 -07:00
parent 99e67c348b
commit cef50f2a6b
4 changed files with 96 additions and 7 deletions
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9
tool/build/lib/eztls.c
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@ -63,8 +63,11 @@ static ssize_t EzWritevAll(int fd, struct iovec *iov, int iovlen) {
wrote = 0;
}
} while (wrote);
} else if (errno != EINTR) {
return total ? total : -1;
} else {
WARNF("writev() failed %m");
if (errno != EINTR) {
return total ? total : -1;
}
}
} while (i < iovlen);
return total;
@ -121,6 +124,7 @@ static int EzTlsRecvImpl(void *ctx, unsigned char *p, size_t n, uint32_t o) {
v[1].iov_base = bio->t;
v[1].iov_len = sizeof(bio->t);
while ((r = readv(bio->fd, v, 2)) == -1) {
WARNF("tls read() error %s", strerror(errno));
if (errno == EINTR) {
return MBEDTLS_ERR_SSL_WANT_READ;
} else if (errno == EAGAIN) {
@ -128,7 +132,6 @@ static int EzTlsRecvImpl(void *ctx, unsigned char *p, size_t n, uint32_t o) {
} else if (errno == EPIPE || errno == ECONNRESET || errno == ENETRESET) {
return MBEDTLS_ERR_NET_CONN_RESET;
} else {
WARNF("tls read() error %s", strerror(errno));
return MBEDTLS_ERR_NET_RECV_FAILED;
}
}