Disconnecting from a Room that is not connected sometimes results in crash

[aaalaniz]

We are sometimes seeing crashes when disconnecting from a Room that has not reached the connected state.

Stacktrace

05-09 20:56:03.465: I/org.webrtc.Logging(14462): WebRtcAudioManager: dispose@[name=Thread-2278, id=2278]
05-09 20:56:03.465: I/org.webrtc.Logging(14462): --------- beginning of crash
05-09 20:56:03.468: A/libc(14462): heap corruption detected by dlfree
05-09 20:56:03.468: A/libc(14462): Fatal signal 6 (SIGABRT), code -6 in tid 27921 (Thread-2278)
05-09 20:56:03.550: I/DEBUG(202): *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** ***
05-09 20:56:03.551: I/DEBUG(202): Build fingerprint: 'google/volantis/flounder:5.0.2/LRX22L/1816899:user/release-keys'
05-09 20:56:03.551: I/DEBUG(202): Revision: '0'
05-09 20:56:03.551: I/DEBUG(202): ABI: 'arm64'
05-09 20:56:03.551: I/DEBUG(202): pid: 14462, tid: 27921, name: Thread-2278  >>> com.twilio.video.test <<<
05-09 20:56:03.551: I/DEBUG(202): signal 6 (SIGABRT), code -6 (SI_TKILL), fault addr --------
05-09 20:56:03.626: I/DEBUG(202): Abort message: 'heap corruption detected by dlfree'
05-09 20:56:03.630: I/DEBUG(202):     x0   0000000000000000  x1   0000000000006d11  x2   0000000000000006  x3   00000055857f5030
05-09 20:56:03.630: I/DEBUG(202):     x4   00000055857f5030  x5   0000000000000005  x6   0000000000000001  x7   0000000000000020
05-09 20:56:03.630: I/DEBUG(202):     x8   0000000000000083  x9   fefeff7e66ff6464  x10  7f7f7f7f7f7f7f7f  x11  0000000000000001
05-09 20:56:03.630: I/DEBUG(202):     x12  0000000000000001  x13  0000000000000000  x14  0000000000000000  x15  001be7d789713de2
05-09 20:56:03.630: I/DEBUG(202):     x16  0000007f813a57d8  x17  0000007f8136a424  x18  0000000000000000  x19  00000055857f5030
05-09 20:56:03.630: I/DEBUG(202):     x20  0000007f68326bb0  x21  0000007f813ab000  x22  0000000000000058  x23  0000000000000006
05-09 20:56:03.630: I/DEBUG(202):     x24  0000000000000001  x25  0000007f68c1cdc8  x26  00000000ffffffff  x27  0000005585a7c100
05-09 20:56:03.630: I/DEBUG(202):     x28  000000000082e432  x29  0000007f68326300  x30  0000007f81328bb0
05-09 20:56:03.630: I/DEBUG(202):     sp   0000007f68326300  pc   0000007f8136a42c  pstate 0000000060000000
05-09 20:56:03.630: I/DEBUG(202): backtrace:
05-09 20:56:03.630: I/DEBUG(202):     #00 pc 000000000005f42c  /system/lib64/libc.so (tgkill+8)
05-09 20:56:03.630: I/DEBUG(202):     #01 pc 000000000001dbac  /system/lib64/libc.so (pthread_kill+160)
05-09 20:56:03.630: I/DEBUG(202):     #02 pc 000000000001f0e0  /system/lib64/libc.so (raise+28)
05-09 20:56:03.631: I/DEBUG(202):     #03 pc 00000000000189fc  /system/lib64/libc.so (abort+60)
05-09 20:56:03.631: I/DEBUG(202):     #04 pc 000000000001af88  /system/lib64/libc.so (__libc_fatal+128)
05-09 20:56:03.631: I/DEBUG(202):     #05 pc 000000000003e8c4  /system/lib64/libc.so (__bionic_heap_corruption_error+20)
05-09 20:56:03.631: I/DEBUG(202):     #06 pc 0000000000041d50  /system/lib64/libc.so (dlfree+1052)
05-09 20:56:03.631: I/DEBUG(202):     #07 pc 00000000000171c4  /system/lib64/libc.so (free+20)
05-09 20:56:03.631: I/DEBUG(202):     #08 pc 0000000000774e7c  /data/app/com.twilio.video.test-1/lib/arm64/libjingle_peerconnection_so.so
05-09 20:56:03.631: I/DEBUG(202):     #09 pc 0000000000777450  /data/app/com.twilio.video.test-1/lib/arm64/libjingle_peerconnection_so.so
05-09 20:56:03.631: I/DEBUG(202):     #10 pc 0000000000777604  /data/app/com.twilio.video.test-1/lib/arm64/libjingle_peerconnection_so.so
05-09 20:56:03.631: I/DEBUG(202):     #11 pc 00000000006d5288  /data/app/com.twilio.video.test-1/lib/arm64/libjingle_peerconnection_so.so
05-09 20:56:03.631: I/DEBUG(202):     #12 pc 00000000006d9d9c  /data/app/com.twilio.video.test-1/lib/arm64/libjingle_peerconnection_so.so
05-09 20:56:03.631: I/DEBUG(202):     #13 pc 00000000006d9e74  /data/app/com.twilio.video.test-1/lib/arm64/libjingle_peerconnection_so.so
05-09 20:56:03.631: I/DEBUG(202):     #14 pc 0000000000685100  /data/app/com.twilio.video.test-1/lib/arm64/libjingle_peerconnection_so.so
05-09 20:56:03.631: I/DEBUG(202):     #15 pc 0000000000670cac  /data/app/com.twilio.video.test-1/lib/arm64/libjingle_peerconnection_so.so
05-09 20:56:03.631: I/DEBUG(202):     #16 pc 000000000062f46c  /data/app/com.twilio.video.test-1/lib/arm64/libjingle_peerconnection_so.so
05-09 20:56:03.631: I/DEBUG(202):     #17 pc 000000000062f868  /data/app/com.twilio.video.test-1/lib/arm64/libjingle_peerconnection_so.so
05-09 20:56:03.631: I/DEBUG(202):     #18 pc 0000000000582160  /data/app/com.twilio.video.test-1/lib/arm64/libjingle_peerconnection_so.so
05-09 20:56:03.631: I/DEBUG(202):     #19 pc 000000000057db58  /data/app/com.twilio.video.test-1/lib/arm64/libjingle_peerconnection_so.so
05-09 20:56:03.631: I/DEBUG(202):     #20 pc 0000000000582350  /data/app/com.twilio.video.test-1/lib/arm64/libjingle_peerconnection_so.so
05-09 20:56:03.631: I/DEBUG(202):     #21 pc 0000000000582e28  /data/app/com.twilio.video.test-1/lib/arm64/libjingle_peerconnection_so.so
05-09 20:56:03.631: I/DEBUG(202):     #22 pc 000000000001ccc0  /system/lib64/libc.so (__pthread_start(void*)+52)
05-09 20:56:03.631: I/DEBUG(202):     #23 pc 0000000000018fc4  /system/lib64/libc.so (__start_thread+16)
05-09 20:56:03.968: I/DEBUG(202): Tombstone written to: /data/tombstones/tombstone_00

Workaround

The SDK should allow disconnecting from a Room before being connected, but if you are experiencing this issue we recommend waiting for the onConnected callback before calling disconnect.