Hello all.
I'm experiencing a crash with PJSUA (Swig) on Android when deleting a call and account in quick succession.
Here is the scenario from the Android application perspective:
1. Setup account and register with registrar
2. Receive inbound call (do not answer)
3. Receive disconnect event (caller hangs-up)
4. Delete call and account:
call.delete();
call = null;
account.delete();
account = null;
5. App crashes with:
Fatal signal 11 (SIGSEGV) at 0x3a302063 (code=1), thread 28956 (com.sampleapp)
*** *** *** *** *** *** *** *** *** *** *** *** *** *** *** ***
Build fingerprint: 'google/nakasi/grouper:4.2.2/JDQ39/573038:user/release-keys'
Revision: '0'
pid: 28926, tid: 28956, name: com.sampleapp >>> com.sampleapp <<<
signal 11 (SIGSEGV), code 1 (SEGV_MAPERR), fault addr 3a302063
r0 3a302063 r1 00000007 r2 61f1c9a0 r3 3a302063
r4 00000001 r5 61ee805c r6 61eea08c r7 58cdf7c4
r8 68b5e360 r9 00100000 sl 58cdf7c4 fp 68e3ce84
ip 00000001 sp 68e3ce78 lr 689520b8 pc 68951bc8 cpsr 60000010
d0 000000000062e080 d1 3ff000004280cccd
d2 0000001c0000001b d3 0001000100010001
d4 ff00550055005500 d5 00000131000f000f
d6 4034346dc5d63900 d7 0062e0808f5c28f6
d8 0000000000000000 d9 0000000000000000
d10 0000000000000000 d11 0000000000000000
d12 0000000000000000 d13 0000000000000000
d14 0000000000000000 d15 0000000000000000
d16 4158b82020000000 d17 3fe0000000000000
d18 0000000000000000 d19 002bf000002ad000
d20 0070c01d006c401c d21 0079c01f0075401e
d22 0000000000000004 d23 0000002300000022
d24 0082c021007e4020 d25 008bc02300874022
d26 000000200000001f d27 0000002200000021
d28 0070c000006c4000 d29 0079c00000754000
d30 0000000100000001 d31 0000000100000001
scr 80000090
backtrace:
#00 pc 0008dbc8 /data/app-lib/com.sampleapp-2/libpjsua2.so (_JavaVM::DetachCurrentThread()+20)
#01 pc 0008e0b4 /data/app-lib/com.sampleapp-2/libpjsua2.so (Swig::Director::JNIEnvWrapper::~JNIEnvWrapper()+48)
#02 pc 00093fdc /data/app-lib/com.sampleapp-2/libpjsua2.so (SwigDirector_Call::onCallState(pj::OnCallStateParam&)+384)
This is the easiest way to reproduce the problem but there are other scenarios where deleting the call and account causes the same crash.
I have debugged a lot and I believe the problem is that deleting the account while the call is closing causes the crash.
If I close only the call and later (by tapping a button) close the account, the crash does not happen.
Am I doing something wrong? Is there any way to prevent this crash?
Thank you,
Isac
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