third_party/WebKit/Source/modules/credentialmanager/CredentialsContainer.cpp - Issue 2850813004: Add a nullptr check in blink::RequestCallbacks::onSuccess to fix crash.

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Unified Diff: third_party/WebKit/Source/modules/credentialmanager/CredentialsContainer.cpp

Issue 2850813004: Add a nullptr check in blink::RequestCallbacks::onSuccess to fix crash. (Closed)

Patch Set: rebase Created 3 years, 8 months ago

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Index: third_party/WebKit/Source/modules/credentialmanager/CredentialsContainer.cpp

diff --git a/third_party/WebKit/Source/modules/credentialmanager/CredentialsContainer.cpp b/third_party/WebKit/Source/modules/credentialmanager/CredentialsContainer.cpp

index 5198c3f8c0f4822768cf0ffeb5ab9d7cfa277eae..0a703fccdfe38973451129bb681319aa15733bba 100644

--- a/third_party/WebKit/Source/modules/credentialmanager/CredentialsContainer.cpp

+++ b/third_party/WebKit/Source/modules/credentialmanager/CredentialsContainer.cpp

@@ -90,9 +90,11 @@ class RequestCallbacks : public WebCredentialManagerClient::RequestCallbacks {

~RequestCallbacks() override {}

void OnSuccess(std::unique_ptr<WebCredential> web_credential) override {

- Frame* frame =

- ToDocument(ExecutionContext::From(resolver_->GetScriptState()))

- ->GetFrame();

+ ExecutionContext* context =

+ ExecutionContext::From(resolver_->GetScriptState());

+ if (!context)

+ return;

+ Frame* frame = ToDocument(context)->GetFrame();

SECURITY_CHECK(!frame || frame == frame->Tree().Top());

std::unique_ptr<WebCredential> credential =