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[SR-10776] Calling XMLDocument's var name: String? induces runtime crash on Linux. #3330

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YOCKOW opened this issue May 26, 2019 · 2 comments
Closed

[SR-10776] Calling XMLDocument's var name: String? induces runtime crash on Linux. #3330

YOCKOW opened this issue May 26, 2019 · 2 comments
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@YOCKOW
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bug Foundation RunTimeCrash

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@YOCKOW
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YOCKOW commented May 26, 2019

Previous ID SR-10776
Radar None
Original Reporter @YOCKOW
Type Bug
Status Resolved
Resolution Done
Environment

Swift 5.0.1
Ubuntu 18.04

Additional Detail from JIRA
Votes 0
Component/s Foundation
Labels Bug, RunTimeCrash
Assignee @YOCKOW
Priority Medium

md5: 2dbda6a18247e0609926b22b99df2e8a

Issue Description:

The code below can be compiled, but runtime crash occurs with segfault on Linux.

import Foundation

let doc = XMLDocument(rootElement: nil)
print(doc.name)

[Result on REPL]

Process 3697 stopped
* thread #​1, name = 'repl_swift', stop reason = signal SIGSEGV: invalid address (fault address: 0x100000017)
    frame #​0: 0x00007ffff3e15a2b libFoundation.so`_CFXMLNodeCopyName + 43
libFoundation.so`_CFXMLNodeCopyName:
->  0x7ffff3e15a2b <+43>: movq   0x18(%rax), %rsi
    0x7ffff3e15a2f <+47>: jmp    0x7ffff3e15a33            ; <+51>
    0x7ffff3e15a31 <+49>: xorl   %esi, %esi
    0x7ffff3e15a33 <+51>: xorl   %r14d, %r14d
Target 0: (repl_swift) stopped.
doc: Foundation.XMLDocument = <extracting data from value failed>
@YOCKOW
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YOCKOW commented May 29, 2019

PR#2316

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YOCKOW commented Aug 16, 2019

#2316 has been merged into master: 482a27a

@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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