To reproduce:

1. Download and open attached "Video-AndroidSEGV.zip" project.
2. In Build settings add "Main" scene to build.
3. Build and run for any Android device.
4. When app opens press Play button located in the bottom right corner.

Expected result: Playback is reset and video plays again from the beginning.
Actual result: After button press, application crashes on Fatal signal 11 (SIGSEGV).

Reproduced with: 2018.1.0a1, 2017.3.0b6, 2017.2.0f3, 2017.2.0b5.
Not reproduced with: 2017.2.0b4, 2017.1.2p2, 5.6.4p1.
Regression introduced in: 2017.2.0b5.

Devices under test:

Google Nexus 5X, OS:8.0.0, CPU:arm64-v8a, GPU:Adreno (TM) 418,
Build:google/bullhead/bullhead:7.1.2/N2G47W/3938523:user/release-keys

Sony C6603 (Xperia Z), OS:5.1.1, CPU:armeabi-v7a, GPU:Adreno (TM) 320,
Build:Sony/C6603/C6603:5.1.1/10.7.A.0.228/58103698:user/release-keys

HUAWEI EVA L19*, OS:7.0, CPU:arm64-v8a, GPU:Mali-T880,
Build:HUAWEI/EVA-L19/HWEVA:7.0/HUAWEIEVA-L19/C432B386:user/release-keys

Notes: Did not reproduce on iPad Mini 3(iOS 10.3.2).

Verified with 2018.1.0b1