SSL crash in Android 6 (Marshmallow)

QSslSocket::supportsSsl() // true
QSslSocket::sslLibraryVersionString(); // "BoringSSL"
QSslSocket::sslLibraryBuildVersionString(); // "OpenSSL 1.0.1j 15 Oct 2014"

QSslSocket sslSocket;
sslSocket.setProtocol(QSsl::SecureProtocols);
QSslCertificate cert = QSslCertificate(ourcacert);
QList<QSslCertificate> certs;
certs.append(cert);
sslSocket.setCaCertificates(certs);
sslSocket.connectToHostEncrypted("xyz.com", 443);

bool res = sslSocket.waitForConnected(); // place where it crashes
...

....
SIGSEGV
 1  libcrypto.so + 0x5fa57
    Found by: stack scanning
 2  libcrypto.so + 0x64101
    Found by: stack scanning
 3  libcrypto.so + 0x640bf
    Found by: stack scanning
 4  libQt5Network.so!__bswapsi2 + 0x1d0ca
    Found by: stack scanning
 5  libQt5Network.so!_ZNK15QSslCertificate23subjectAlternativeNamesEv + 0x73be
    Found by: stack scanning
 6  libQt5Network.so!_ZNK15QSslCertificate23subjectAlternativeNamesEv + 0x842
    Found by: stack scanning
 7  libc.so + 0x75592
    Found by: stack scanning
 8  libQt5Network.so!_ZNK15QSslCertificate23subjectAlternativeNamesEv + 0x334a
    Found by: stack scanning
 9  libc.so + 0x75592
    Found by: stack scanning
10  libQt5Network.so!_ZNK15QSslCertificate23subjectAlternativeNamesEv + 0x4646
    Found by: stack scanning
11  libQt5Network.so!_ZN10QSslSocket11modeChangedENS_7SslModeE + 0x2a
    Found by: stack scanning
12  libQt5Network.so!_ZN10QSslSocket21startClientEncryptionEv + 0xca
    Found by: stack scanning
13  libQt5Network.so!_ZN10QSslSocket19waitForDisconnectedEi + 0x232
    Found by: stack scanning
14  libQt5Network.so!_ZN10QSslSocket23addDefaultCaCertificateERK15QSslCertificate + 0x256
....