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[SR-13729] Foundation notification unconditional bridging crash #3242

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iby opened this issue Oct 13, 2020 · 1 comment
Open

[SR-13729] Foundation notification unconditional bridging crash #3242

iby opened this issue Oct 13, 2020 · 1 comment
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bug Foundation

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@iby
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iby commented Oct 13, 2020

Previous ID SR-13729
Radar rdar://problem/70298055
Original Reporter @iby
Type Bug

Attachment: Download

Environment

Apple Swift version 5.3 (swiftlang-1200.0.29.2 clang-1200.0.30.1)
Xcode version 12.0.1 (12A7300)

Additional Detail from JIRA
Votes 0
Component/s Foundation
Labels Bug
Assignee None
Priority Medium

md5: 841949ae77a2a5fa0ef339fdd2b3d21c

Issue Description:

Came across this here. This is the isolated example that crashes in a playground:

import AVFoundation
import Foundation
let observer = NotificationCenter.default.addObserver(forName: nil, object: nil, queue: nil, using: { _ in })
let asset = AVAsset(url: URL(fileURLWithPath: "~/Downloads/bbb.mov"))
let _ = asset.tracks(withMediaType: .video).first
NotificationCenter.default.removeObserver(observer)

Not adding the observer or not invoking tracks method doesn't cause the crash. This happens with any asset file, but attaching one as a sample.
@typesanitizer
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@swift-ci create

@swift-ci swift-ci transferred this issue from apple/swift-issues Apr 25, 2022
@shahmishal shahmishal transferred this issue from apple/swift May 5, 2022
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@iby @typesanitizer