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Bug
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Resolution: Fixed
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Not Evaluated
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6.7, 6.8, 6.9, 6.10
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None
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macOS
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c02fe277a (dev), 3501d7616 (6.10), 55809001f (6.9), 427fd19b2 (tqtc/lts-6.8)
When adding an application font from data (a QByteArray, or a file path leading to a compiled in resource), the leaks tool reports a memory leak:
STACK OF 1 INSTANCE OF 'ROOT LEAK: <NSCTFontDescriptor>': 8 dyld 0x198e9b154 start + 2476 7 reproduction 0x10008ea28 main + 80 6 org.qt-project.QtGui 0x102af5c78 QFontDatabase::addApplicationFont(QString const&) + 344 qfontdatabase.cpp:2308 5 org.qt-project.QtGui 0x102af4f54 QFontDatabasePrivate::addAppFont(QByteArray const&, QString const&) + 568 qfontdatabase.cpp:2211 4 org.qt-project.QtGui 0x102d9ec40 QCoreTextFontDatabase::addApplicationFont(QByteArray const&, QString const&, QFontDatabasePrivate::ApplicationFont*) + 608 qcoretextfontdatabase.mm:775 3 com.apple.CoreText 0x19b6d8c50 CTFontDescriptorCreateCopyWithAttributes + 80 2 com.apple.CoreText 0x19b6d8cd4 TCFRef<CTFontDescriptor*> TCFBase_NEW<CTFontDescriptor, CTFontDescriptor*, __CFDictionary const*>(CTFontDescriptor*&&, __CFDictionary const*&&) + 44 1 com.apple.CoreFoundation 0x19928b198 _CFRuntimeCreateInstance + 852 0 libsystem_malloc.dylib 0x19905fa68 _malloc_zone_malloc_instrumented_or_legacy + 148 ==== 45 (15.6K) ROOT LEAK: <NSCTFontDescriptor 0x12f894570> [112] 42 (15.4K) _reserved3 --> <TBaseFont 0x12f8aa750> [592] 20 (9.73K) <NSMutableCharacterSet 0x12f886590> [64] 1 (8.50K) <malloc in __CFCSetMakeBitmap 0x13005dc00> [8704] 18 (1.17K) <malloc in __CFCSetAddNonBMPPlanesInRange 0x12f843e00> [32] 17 (1.14K) <realloc in __CFCSetAddNonBMPPlanesInRange 0x12f881b70> [144] 1 (64 bytes) <NSMutableCharacterSet 0x12f882c60> [64] 1 (64 bytes) <NSMutableCharacterSet 0x12f882ca0> [64] 1 (64 bytes) <NSMutableCharacterSet 0x12f882f70> [64] 1 (64 bytes) <NSMutableCharacterSet 0x12f882fb0> [64] 1 (64 bytes) <NSMutableCharacterSet 0x12f8857e0> [64] 1 (64 bytes) <NSMutableCharacterSet 0x12f885820> [64] 1 (64 bytes) <NSMutableCharacterSet 0x12f894c40> [64] 1 (64 bytes) <NSMutableCharacterSet 0x12f894c80> [64] 1 (64 bytes) <NSMutableCharacterSet 0x12f899860> [64] 1 (64 bytes) <NSMutableCharacterSet 0x12f8998a0> [64] 1 (64 bytes) <NSMutableCharacterSet 0x12f89dc30> [64] 1 (64 bytes) <NSMutableCharacterSet 0x12f89dc70> [64] 1 (64 bytes) <NSMutableCharacterSet 0x12f8a5d70> [64] 1 (64 bytes) <NSMutableCharacterSet 0x12f8a96c0> [64] 1 (64 bytes) <NSMutableCharacterSet 0x12f8a9970> [64] 1 (64 bytes) <NSMutableCharacterSet 0x12f8a9bf0> [64] 9 (3.56K) <NSMutableDictionary 0x12f8a94c0> [48] 8 (3.52K) <NSMutableDictionary (Storage) 0x12f897a70> [128] 2 (3.06K) <NSMutableArray 0x12f821a20> [64] 1 (3.00K) <NSMutableArray (Storage) 0x130077c00> [3072] 2 (176 bytes) <NSMutableDictionary 0x12f8a3fa0> [48] 1 (128 bytes) <NSMutableDictionary (Storage) 0x12f8988e0> [128] 3 (160 bytes) <NSMutableDictionary 0x12f8a46e0> [48] 2 (112 bytes) <NSMutableDictionary (Storage) 0x12f8a65a0> [64] 1 (48 bytes) <CFString 0x12f831c10> [48] 9 (1.25K) <CGFont 0x12f8a9ab0> [144] 7 (1008 bytes) <calloc in xt_font_create 0x12f871700> [48] 6 (960 bytes) <TFPInMemoryFont 0x12f8aa570> [480] 2 (224 bytes) <CFArray 0x12f8a4080> [64] 1 (160 bytes) <malloc in _CFArrayReplaceValues 0x12f8aae80> [160] 1 (144 bytes) <malloc in TFPFont::GetFontInfo() const 0x12f8a9fa0> [144] 1 (64 bytes) <CFData 0x12f820150> [64] 1 (48 bytes) <TType1FontType2CIDCharStringHandler 0x12f8a55b0> [48] 1 (128 bytes) <calloc in get_font_info 0x12f8947b0> [128] 2 (240 bytes) <NSURL 0x12f89f4a0> [144] 1 (96 bytes) _clients --> <CFString 0x12f89fe50> [96] 1 (48 bytes) <CFString 0x12f8a3dd0> [48] 2 (112 bytes) _attributes --> <NSMutableDictionary 0x12f8a9df0> [48] 1 (64 bytes) <NSMutableDictionary (Storage) 0x12f888090> [64]
Reproduction attached.