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[SR-13551] deinit and autorelease will crash in AutoreleasePoolPage::releaseUntil #55988

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swift-ci opened this issue Sep 15, 2020 · 1 comment
Open

[SR-13551] deinit and autorelease will crash in AutoreleasePoolPage::releaseUntil #55988

swift-ci opened this issue Sep 15, 2020 · 1 comment
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bug A deviation from expected or documented behavior. Also: expected but undesirable behavior. compiler The Swift compiler in itself

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@swift-ci
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Previous ID SR-13551
Radar rdar://problem/68926773
Original Reporter 酷酷的哀殿 (JIRA User)
Type Bug
Additional Detail from JIRA
Votes 0
Component/s Compiler
Labels Bug
Assignee None
Priority Medium

md5: d32d186812b4ef33f6a691df912a684d

Issue Description:

Crash Info:

The follow code will crash in x86_64 with Thread 1: EXC_BAD_ACCESS (code=1, address=0x20)

Crash Reason:

Manager will be release after deinit.

Code:

//代码占位符
import Foundation
 
class Manager: NSObject {
    deinit {
        let _ = String(format:"%p", self)
    }
}
 
class MY {
    func test() {
        let _ = Manager()
    }
}
 
autoreleasepool {
    MY().test()
}
 
print("Hello, World!")

Solution:

//代码占位符
class Manager: NSObject {
    deinit {
        autoreleasepool {
            let _ = String(format:"%p", self)
        }
    }
}
@typesanitizer
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@swift-ci swift-ci transferred this issue from apple/swift-issues Apr 25, 2022
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bug A deviation from expected or documented behavior. Also: expected but undesirable behavior. compiler The Swift compiler in itself
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@typesanitizer @swift-ci