ANR (Application not responding) error in AdGuard for Samsung Internet Android

[h4jani]

Please answer the following questions for yourself before submitting an issue

• [x] Filters were updated before reproducing an issue
• [x] I checked the knowledge base and found no answer
• [x] I checked to make sure that this issue has not already been filed

AdGuard version

4.9.50

Environment

• OS version: Android 15 (SDK 35)
• Device: Samsung Galaxy M36 (SM-M366B)
• OneUI version: 7.0

HTTPS filtering

• [ ] yes, I do

Root access

• [ ] yes, I have it

Integration with AdGuard VPN

• [ ] yes, I do

Routing mode

Local VPN

Ad Blocking

No response

Privacy

No response

Social

No response

Annoyances

No response

Security

No response

Language-specific

No response

Other

No response

Which DNS server do you use?

DNS protection disabled

DNS protocol

None

Custom DNS

No response

What Stealth Mode options do you have enabled?

No response

Issue Details

Steps to reproduce:

1. Download the AdGuard for Samsung Internet apk
2. Run the ACT stress test (developed by Samsung's internal QA team)
3. ANR occurred

Expected Behavior

The crash due to ANR should not occur.

Actual Behavior

ANR crash callstack:

----- pid 23916 at 2025-06-01 16:10:10.969576189+0530 ----- Cmd line: com.adguard.android Build fingerprint: 'samsung/m36xins/m36x:15/AP3A.240905.015.A2/M366BXXU1AYE5_ODM1AYE5:user/release-keys' ABI: 'arm64' Build type: optimized Debug Store: 1,0,253021287:: suspend all histogram: Sum: 3.171ms 99% C.I. 2us-1799.199us Avg: 211.400us Max: 1857us DALVIK THREADS (27): "main" prio=5 tid=1 Native | group="main" sCount=1 ucsCount=0 flags=1 obj=0x729a8f98 self=0xb40000789f67cbe0 | sysTid=23916 nice=-10 cgrp=top-app sched=0/0 handle=0x7a51b34d28 | state=S schedstat=( 544090355 24103514 1786 ) utm=27 stm=26 core=6 HZ=100 | stack=0x7fdcd6e000-0x7fdcd70000 stackSize=8188KB | held mutexes= native: #00 pc 0008169c /apex/com.android.runtime/lib64/bionic/libc.so (syscall+28) (BuildId: 21a82e670fd9b8294d92357326d57ab2) native: #01 pc 0022a29c /apex/com.android.art/lib64/libart.so (art::ConditionVariable::WaitHoldingLocks+136) (BuildId: 4ccb65ae9ac5ad5da3af5a342d5b0b92) native: #02 pc 007519f0 /apex/com.android.art/lib64/libart.so (art::JNI::CallObjectMethodV+1216) (BuildId: 4ccb65ae9ac5ad5da3af5a342d5b0b92) native: #03 pc 000db1e8 /system/lib64/libandroid_runtime.so (_JNIEnv::CallObjectMethod+120) (BuildId: 3c8c61c062b9226a1ee0c7b94c79c4ec) native: #04 pc 0015ed68 /system/lib64/libandroid_runtime.so (android::NativeDisplayEventReceiver::dispatchVsync+64) (BuildId: 3c8c61c062b9226a1ee0c7b94c79c4ec) native: #05 pc 000e061c /system/lib64/libgui.so (android::DisplayEventDispatcher::handleEvent+328) (BuildId: 0279d8a73e545c5841cb4a45b025c5c4) native: #06 pc 000134ac /system/lib64/libutils.so (android::Looper::pollOnce+1508) (BuildId: a75c1f3d158314c6e3d91dd3f4524fc6) native: #07 pc 0018fec4 /system/lib64/libandroid_runtime.so (android::android_os_MessageQueue_nativePollOnce+44) (BuildId: 3c8c61c062b9226a1ee0c7b94c79c4ec) at android.os.MessageQueue.nativePollOnce(Native method) at android.os.MessageQueue.next(MessageQueue.java:346) at android.os.Looper.loopOnce(Looper.java:214) at android.os.Looper.loop(Looper.java:342) at android.app.ActivityThread.main(ActivityThread.java:9638) at java.lang.reflect.Method.invoke(Native method) at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:619) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:929) DumpLatencyMs: 71.3532

"threadmanager-multiple-pool-4-thread-2" prio=5 tid=19 Blocked | group="main" sCount=1 ucsCount=0 flags=1 obj=0x141a8e10 self=0xb40000789f6c5c00 | sysTid=23946 nice=0 cgrp=top-app sched=0/0 handle=0x76c2aac5f0 | state=S schedstat=( 6148693 1750040 16 ) utm=0 stm=0 core=7 HZ=100 | stack=0x76c26a9000-0x76c26ab000 stackSize=4109KB | held mutexes= at com.adguard.mobile.multikit.common.boot.AbstractLoader.g(AbstractLoader.kt:18)

• waiting to lock <0x07645340> (a java.lang.Object) held by thread 15 at com.adguard.mobile.multikit.common.boot.AbstractLoader.f(AbstractLoader.kt:168) at com.adguard.mobile.multikit.common.boot.AbstractLoader.d(AbstractLoader.kt:20) at com.adguard.mobile.multikit.common.boot.AbstractLoader.c(AbstractLoader.kt:30) at com.adguard.mobile.multikit.common.boot.AbstractLoader.d(AbstractLoader.kt:24) at com.adguard.mobile.multikit.common.boot.AbstractLoader.e(AbstractLoader.kt:8) at com.adguard.android.ui.activity.SplashActivity.p(SplashActivity.kt:13) at com.adguard.android.ui.activity.SplashActivity.r(SplashActivity.kt:98) at com.adguard.android.ui.activity.SplashActivity.n(SplashActivity.kt:1) at com.adguard.android.ui.activity.SplashActivity$c.invoke(SplashActivity.kt:6) at com.adguard.android.ui.activity.SplashActivity$c.invoke(SplashActivity.kt:1) at E2.m$g.invoke(ExecutorService.android.kt:3) at E2.m.i(ExecutorService.android.kt:15) at E2.m.b(ExecutorService.android.kt:1) at E2.h.run(R8$$SyntheticClass:5) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:487) at java.util.concurrent.FutureTask.run(FutureTask.java:264) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:307) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:644) at java.lang.Thread.run(Thread.java:1012) DumpLatencyMs: 320.996

Screenshots

Screenshot 1

Additional Information

No response

[ESurina]

Could you please check if this problem exists on the latest Nightly version?

[ESurina]

@h4jani I remind you to check the latest Nightly version.

[ESurina]

Please reopen the issue if the problem reoccurs on the latest Nightly version.