[QTBUG-61074] Wrong pointers are freed in QList and QArray - Qt Bug Tracker

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Details

Type: Bug
Status: Closed
Priority: Not Evaluated
Resolution: Duplicate
Affects Version/s: Some future release
Fix Version/s: None
Component/s: Core: Containers and Algorithms
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None
Environment:

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VS2017, static x64 build. Configured as:

call configure.bat -opensource -confirm-license -platform win32-msvc2017 -debug-and-release -static-runtime -static -mp ^
-no-openssl -no-dbus -no-opengl -no-feature-direct2d -no-feature-directwrite -no-feature-sql -no-sql-odbc -no-sql-sqlite ^
-no-feature-testlib -nomake tests -no-qml-debug -no-feature-freetype -no-feature-iconv

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VS2017, static x64 build. Configured as: call configure.bat -opensource -confirm-license -platform win32-msvc2017 -debug-and-release -static-runtime -static -mp ^ -no-openssl -no-dbus -no-opengl -no-feature-direct2d -no-feature-directwrite -no-feature-sql -no-sql-odbc -no-sql-sqlite ^ -no-feature-testlib -nomake tests -no-qml-debug -no-feature-freetype -no-feature-iconv

Description

In QArrayData::deallocate and QListData::realloc_grow, the first reallocation will free pointers to shared_null(s), which are not allocated by CRT. In VS2017, _CrtIsValidHeapPointer will throw exception.

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is replaced by

QTBUG-59721 QString crash attempt to free() shared_null static variable

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Assignee:: Thiago Macieira

Reporter:: Gang Chen

Votes:: 0 Vote for this issue

Watchers:: 2 Start watching this issue

Dates

Created:: 27 May '17 12:32

Updated:: 27 May '17 15:28

Resolved:: 27 May '17 15:28

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