From 6055432cc1bbefefda3ddc876052bc5e202a88f2 Mon Sep 17 00:00:00 2001
From: Vsevolod Tolstopyatov <qwwdfsad@gmail.com>
Date: Thu, 2 Sep 2021 12:14:53 +0300
Subject: [PATCH] Fix BlockHound false positive in stack trace recovery (#2895)

Fixes #2894
---
 .../{ExceptionsConstuctor.kt => ExceptionsConstructor.kt}       | 0
 kotlinx-coroutines-debug/src/CoroutinesBlockHoundIntegration.kt | 2 ++
 2 files changed, 2 insertions(+)
 rename kotlinx-coroutines-core/jvm/src/internal/{ExceptionsConstuctor.kt => ExceptionsConstructor.kt} (100%)

diff --git a/kotlinx-coroutines-core/jvm/src/internal/ExceptionsConstuctor.kt b/kotlinx-coroutines-core/jvm/src/internal/ExceptionsConstructor.kt
similarity index 100%
rename from kotlinx-coroutines-core/jvm/src/internal/ExceptionsConstuctor.kt
rename to kotlinx-coroutines-core/jvm/src/internal/ExceptionsConstructor.kt
diff --git a/kotlinx-coroutines-debug/src/CoroutinesBlockHoundIntegration.kt b/kotlinx-coroutines-debug/src/CoroutinesBlockHoundIntegration.kt
index 190476c41a..e0905567d6 100644
--- a/kotlinx-coroutines-debug/src/CoroutinesBlockHoundIntegration.kt
+++ b/kotlinx-coroutines-debug/src/CoroutinesBlockHoundIntegration.kt
@@ -19,6 +19,8 @@ public class CoroutinesBlockHoundIntegration : BlockHoundIntegration {
         allowServiceLoaderInvocationsOnInit()
         allowBlockingCallsInReflectionImpl()
         allowBlockingCallsInDebugProbes()
+        // Stacktrace recovery cache is guarded by lock
+        allowBlockingCallsInside("kotlinx.coroutines.internal.ExceptionsConstructorKt", "tryCopyException")
         /* The predicates that define that BlockHound should only report blocking calls from threads that are part of
         the coroutine thread pool and currently execute a CPU-bound coroutine computation. */
         addDynamicThreadPredicate { isSchedulerWorker(it) }