signal 11 (SIGSEGV), code 1 (SEGV_MAPERR), fault addr 00002438

Hello!
I encountered the following error in my Unity game.
Tested on an emulator Nexus 5X API 28 x86.

Details:
The game has AdMob advertising with rewards. I load it when the game starts.
And everything works fine for the first time. However, once I close the games and open it again, after about a second, the following error appears.

Code (CSharp):

1. E/CRASH: signal 11 (SIGSEGV), code 1 (SEGV_MAPERR), fault addr 00002438
2.     *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** ***
3.     Build type 'Release', Scripting Backend 'mono', CPU 'x86'
4.     Build fingerprint: 'google/sdk_gphone_x86/generic_x86:9/PSR1.180720.061/5075414:userdebug/dev-keys'
5.     Revision: '0'
6.     pid: 4044, tid: 4498, name: Thread-84  >>> com.XXX.xxx <<<
7.         eax 00000000  ebx c9e91ff4  ecx 00000005  edx b91c2970
8.         esi 00000000  edi b91c0608
9.         xcs 00000023  xds 0000002b  xes 0000002b  xfs 0000006b  xss 0000002b
10.         eip c8ab721b  ebp b91c0bd0  esp b91c05e0  flags 00210286
11.     backtrace:
12. E/CRASH:    #00  pc 002ad21b  /data/app/com.XXX.xxx-ZNG5BehYYwx-6YeOpbnHOA==/lib/x86/libunity.so
13. E/CRASH: other thread is trapped; signum = 11
14. E/MessageQueue: IdleHandler threw exception
15.     java.lang.Error: signal 11 (SIGSEGV), code 1 (SEGV_MAPERR), fault addr 00002438
16.     Build fingerprint: 'google/sdk_gphone_x86/generic_x86:9/PSR1.180720.061/5075414:userdebug/dev-keys'
17.     Revision: '0'
18.     pid: 4044, tid: 4498, name: Thread-84  >>> com.XXX.xxx <<<
19.  
20.         at libunity.002ad21b(Native Method)

Then the game freezes.

If I disable ads, the error does not appear.

 

No, on real devices there is no error.
Thank =)