App crashes on android after about 1 hr usage with Fatal signal 6 (SIGABRT), code -1 (SI_QUEUE) in tid 6664 (SGen worker)

Question

App crashes on android after continuous use for about 1 hour. Please refer below adb logs when app crashed -

2025-03-21 14:29:09.249 6649-6664 com.name.myname com.name.myname E How can an object and a reference inside it not be in the same block? 2025-03-21 14:29:09.251 6649-6664 monodroid com.name.myname A How can an object and a reference inside it not be in the same block? 2025-03-21 14:29:09.252 6649-6664 monodroid com.name.myname A Abort at mono-log-adapter.cc:46:3 ('static void xamarin::android::internal::MonodroidRuntime::mono_log_handler(const char *, const char *, const char *, mono_bool, void *)') 2025-03-21 14:29:09.395 11907-11907 linker64 pid-11907 W type=1400 audit(0.0:9001): avc: denied { search } for name="tests" dev="dm-49" ino=113 scontext=u:r:untrusted_app:s0:c165,c257,c512,c768 tcontext=u:object_r:shell_test_data_file:s0 tclass=dir permissive=0 app=com.name.myname 2025-03-21 14:29:09.395 11907-11907 linker64 pid-11907 W type=1400 audit(0.0:9002): avc: denied { search } for name="tests" dev="dm-49" ino=113 scontext=u:r:untrusted_app:s0:c165,c257,c512,c768 tcontext=u:object_r:shell_test_data_file:s0 tclass=dir permissive=0 app=com.name.myname 2025-03-21 14:29:09.395 11907-11907 linker64 pid-11907 W type=1400 audit(0.0:9003): avc: denied { search } for name="tests" dev="dm-49" ino=113 scontext=u:r:untrusted_app:s0:c165,c257,c512,c768 tcontext=u:object_r:shell_test_data_file:s0 tclass=dir permissive=0 app=com.name.myname 2025-03-21 14:29:09.395 11907-11907 linker64 pid-11907 W type=1400 audit(0.0:9004): avc: denied { search } for name="tests" dev="dm-49" ino=113 scontext=u:r:untrusted_app:s0:c165,c257,c512,c768 tcontext=u:object_r:shell_test_data_file:s0 tclass=dir permissive=0 app=com.name.myname 2025-03-21 14:29:09.635 6649-8860 com.name.myname com.name.myname I Explicit concurrent mark compact GC freed 405KB AllocSpace bytes, 0(0B) LOS objects, 24% free, 13MB/17MB, paused 1.205ms,3.953ms total 114.777ms

2025-03-21 14:29:11.881 6649-6664 libc com.name.myname A Fatal signal 6 (SIGABRT), code -1 (SI_QUEUE) in tid 6664 (SGen worker), pid 6649 (com.name.myname) 2025-03-21 14:29:12.034 6649-8915 com.name.myname com.name.myname I Explicit concurrent mark compact GC freed 104KB AllocSpace bytes, 0(0B) LOS objects, 24% free, 13MB/17MB, paused 1.667ms,5.810ms total 188.832ms

2025-03-21 14:29:13.390 6649-8396 com.name.myname com.name.myname I Explicit concurrent mark compact GC freed 36KB AllocSpace bytes, 0(0B) LOS objects, 24% free, 13MB/17MB, paused 1.584ms,4.989ms total 136.044ms 2025-03-21 14:29:14.563 11910-11910 DEBUG crash_dump64 A Cmdline: com.name.myname 2025-03-21 14:29:14.564 11910-11910 DEBUG crash_dump64 A pid: 6649, tid: 6664, name: SGen worker >>> com.name.myname <<< 2025-03-21 14:29:14.564 11910-11910 DEBUG crash_dump64 A #1 pc 00000000000467e0 /data/app/~~powVlcLVZYqugiW7-6oNAw==/com.name.myname--etGUP2wt1GJpiWcBdbpiQ==/split_config.arm64_v8a.apk!libmono-android.release.so (xamarin::android::Helpers::abort_application(_LogCategories, char const*, bool, std::__ndk1::source_location)+148) (BuildId: 5b590bab63a2fd96f32bed580c213ac3371fd6be) 2025-03-21 14:29:14.564 11910-11910 DEBUG crash_dump64 A #2 pc 000000000001a854 /data/app/~~powVlcLVZYqugiW7-6oNAw==/com.name.myname--etGUP2wt1GJpiWcBdbpiQ==/split_config.arm64_v8a.apk!libmono-android.release.so (xamarin::android::Helpers::abort_application(char const*, bool, std::__ndk1::source_location)+28) (BuildId: 5b590bab63a2fd96f32bed580c213ac3371fd6be) 2025-03-21 14:29:14.564 11910-11910 DEBUG crash_dump64 A #3 pc 000000000002b148 /data/app/~~powVlcLVZYqugiW7-6oNAw==/com.name.myname--etGUP2wt1GJpiWcBdbpiQ==/split_config.arm64_v8a.apk!libmono-android.release.so (xamarin::android::internal::MonodroidRuntime::mono_log_handler(char const*, char const*, char const*, int, void*)+216) (BuildId: 5b590bab63a2fd96f32bed580c213ac3371fd6be) 2025-03-21 14:29:14.564 11910-11910 DEBUG crash_dump64 A #4 pc 00000000001d1738 /data/app/~~powVlcLVZYqugiW7-6oNAw==/com.name.myname--etGUP2wt1GJpiWcBdbpiQ==/split_config.arm64_v8a.apk!libmonosgen-2.0.so (BuildId: 40613dedac7998c3faea49b99e495f0470c15869) 2025-03-21 14:29:14.564 11910-11910 DEBUG crash_dump64 A #5 pc 00000000001d17c4 /data/app/~~powVlcLVZYqugiW7-6oNAw==/com.name.myname--etGUP2wt1GJpiWcBdbpiQ==/split_config.arm64_v8a.apk!libmonosgen-2.0.so (BuildId: 40613dedac7998c3faea49b99e495f0470c15869) 2025-03-21 14:29:14.564 11910-11910 DEBUG crash_dump64 A #6 pc 00000000002d5e64 /data/app/~~powVlcLVZYqugiW7-6oNAw==/com.name.myname--etGUP2wt1GJpiWcBdbpiQ==/split_config.arm64_v8a.apk!libmonosgen-2.0.so (BuildId: 40613dedac7998c3faea49b99e495f0470c15869) 2025-03-21 14:29:14.565 11910-11910 DEBUG crash_dump64 A #7 pc 00000000002c6258 /data/app/~~powVlcLVZYqugiW7-6oNAw==/com.name.myname--etGUP2wt1GJpiWcBdbpiQ==/split_config.arm64_v8a.apk!libmonosgen-2.0.so (BuildId: 40613dedac7998c3faea49b99e495f0470c15869) 2025-03-21 14:29:14.565 11910-11910 DEBUG crash_dump64 A #8 pc 000000000029c214 /data/app/~~powVlcLVZYqugiW7-6oNAw==/com.name.myname--etGUP2wt1GJpiWcBdbpiQ==/split_config.arm64_v8a.apk!libmonosgen-2.0.so (BuildId: 40613dedac7998c3faea49b99e495f0470c15869) 2025-03-21 14:29:14.565 11910-11910 DEBUG crash_dump64 A #9 pc 00000000002aaeb4 /data/app/~~powVlcLVZYqugiW7-6oNAw==/com.name.myname--etGUP2wt1GJpiWcBdbpiQ==/split_config.arm64_v8a.apk!libmonosgen-2.0.so (BuildId: 40613dedac7998c3faea49b99e495f0470c15869) 2025-03-21 14:29:14.565 11910-11910 DEBUG crash_dump64 A #10 pc 00000000002bc39c /data/app/~~powVlcLVZYqugiW7-6oNAw==/com.name.myname--etGUP2wt1GJpiWcBdbpiQ==/split_config.arm64_v8a.apk!libmonosgen-2.0.so (BuildId: 40613dedac7998c3faea49b99e495f0470c15869) 2025-03-21 14:29:14.565 11910-11910 DEBUG crash_dump64 A #11 pc 00000000002b35f4 /data/app/~~powVlcLVZYqugiW7-6oNAw==/com.name.myname--etGUP2wt1GJpiWcBdbpiQ==/split_config.arm64_v8a.apk!libmonosgen-2.0.so (BuildId: 40613dedac7998c3faea49b99e495f0470c15869) 2025-03-21 14:29:14.565 11910-11910 DEBUG crash_dump64 A #12 pc 00000000002e4364 /data/app/~~powVlcLVZYqugiW7-6oNAw==/com.name.myname--etGUP2wt1GJpiWcBdbpiQ==/split_config.arm64_v8a.apk!libmonosgen-2.0.so (BuildId: 40613dedac7998c3faea49b99e495f0470c15869) 2025-03-21 14:29:14.750 2043-11915 ActivityTaskManager system_server W Force finishing activity com.name.myname/crc64415d5ee05d3f8ae5.MainActivity 2025-03-21 14:29:15.338 2043-4702 WindowManager system_server I WIN DEATH: Window{949f4d7 u0 com.name.myname/crc64415d5ee05d3f8ae5.MainActivity} 2025-03-21 14:29:15.339 2043-2386 ConnectivityService system_server D releasing NetworkRequest [ REQUEST id=2913, [ Capabilities: INTERNET&NOT_RESTRICTED&TRUSTED&NOT_VCN_MANAGED Uid: 10421 RequestorUid: 10421 RequestorPkg: com.name.myname UnderlyingNetworks: Null] ] (release request) 2025-03-21 14:29:15.341 2043-5068 ActivityManager system_server I appDiedLocked: app=ProcessRecord{3c22c9b 6649:com.name.myname/u0a421} thread=android.os.BinderProxy@73d2f8c fromBinderDied=true isKilledByAm=false reason=null 2025-03-21 14:29:15.341 2043-5068 ActivityManager system_server I Process com.name.myname (pid 6649) has died: cch CRE 2025-03-21 14:29:15.343 2043-2386 ConnectivityService system_server D releasing NetworkRequest [ REQUEST id=2910, [ Capabilities: INTERNET&NOT_RESTRICTED&TRUSTED&NOT_VCN_MANAGED Uid: 10421 RequestorUid: 10421 RequestorPkg: com.name.myname UnderlyingNetworks: Null] ] (release request) 2025-03-21 14:29:15.343 2043-2386 ConnectivityService system_server D releasing NetworkRequest [ REQUEST id=2906, [ Capabilities: INTERNET&NOT_RESTRICTED&TRUSTED&NOT_VCN_MANAGED Uid: 10421 RequestorUid: 10421 RequestorPkg: com.name.myname UnderlyingNetworks: Null] ] (release request) 2025-03-21 14:29:15.343 2043-4702 InputManager-JNI system_server W Input channel object '949f4d7 com.name.myname/crc64415d5ee05d3f8ae5.MainActivity (client)' was disposed without first being removed with the input manager! 2025-03-21 14:29:15.344 2043-2386 ConnectivityService system_server D releasing NetworkRequest [ REQUEST id=2908, [ Capabilities: INTERNET&NOT_RESTRICTED&TRUSTED&NOT_VCN_MANAGED Uid: 10421 RequestorUid: 10421 RequestorPkg: com.name.myname UnderlyingNetworks: Null] ] (release request) 2025-03-21 14:29:15.368 2043-5068 InputManager-JNI system_server W Input channel object 'Letterbox_left_ActivityRecord{5755e87 u0 com.name.myname/crc64415d5ee05d3f8ae5.MainActivity} t68} (client)' was disposed without first being removed with the input manager! 2025-03-21 14:29:15.368 2043-5068 InputManager-JNI system_server W Input channel object 'Letterbox_top_ActivityRecord{5755e87 u0 com.name.myname/crc64415d5ee05d3f8ae5.MainActivity} t68} (client)' was disposed without first being removed with the input manager! 2025-03-21 14:29:15.368 2043-5068 InputManager-JNI system_server W Input channel object 'Letterbox_right_ActivityRecord{5755e87 u0 com.name.myname/crc64415d5ee05d3f8ae5.MainActivity} t68} (client)' was disposed without first being removed with the input manager! 2025-03-21 14:29:15.368 2043-5068 InputManager-JNI system_server W Input channel object 'Letterbox_bottom_ActivityRecord{5755e87 u0 com.name.myname/crc64415d5ee05d3f8ae5.MainActivity} t68} (client)' was disposed without first being removed with the input manager! 2025-03-21 14:29:15.375 2043-2133 UsageStatsService system_server W Unexpected activity event reported! (com.name.myname/crc64415d5ee05d3f8ae5.MainActivity event : 23 instanceId : 189469149)

Answer 1

The real error is that dispose is called on an object that is still referenced by other objects. When the other object references the disposed object (maybe a callback) there is a crash. It appears your activity dispose is not releasing input manager references.