Audio Failed to initialize spatializer (2017.2.0p4)

I'm trying to make updates to two mobile VR games that previously shipped on 5.6 with support for the Oculus Spatializer. When building on 2017.2.0p4, I get this message in adb every time a spatialized sound plays:

We didn't have this issue on 5.6, and I can't reproduce this issue in the editor. On Gear VR, we actually get a crash during gameplay, too, that I think may be related to the above error message being spammed. It triggers a signal 11 error before the crash:

Code (CSharp):

1. 12-22 14:35:49.724 14242 14242 F DEBUG   : signal 11 (SIGSEGV), code 1 (SEGV_MAPERR), fault addr 0x7080
2. 12-22 14:35:49.724 14242 14242 F DEBUG   :     r0 c6e800c8  r1 c1160420  r2 c6e80260  r3 00007080
3. 12-22 14:35:49.724 14242 14242 F DEBUG   :     r4 c6e80260  r5 00000000  r6 c6e7fb10  r7 00007080
4. 12-22 14:35:49.724 14242 14242 F DEBUG   :     r8 00000000  r9 00000000  sl c6e80828  fp c6e807f8
5. 12-22 14:35:49.724 14242 14242 F DEBUG   :     ip c6e806c0  sp c6e7fb10  lr c6e806d0  pc ca63a228  cpsr 60000010

Any guidance would be appreciated. Thanks!