May 2026 - Wine-Bugs - list.winehq.org

[Bug 36614] New: valgrind shows a definite leak in rpcrt4/rpc_server.c process_request_packet()
by wine-bugs＠winehq.org Aug. 27, 2026

Aug. 27, 2026

https://bugs.winehq.org/show_bug.cgi?id=36614 Bug ID: 36614 Summary: valgrind shows a definite leak in rpcrt4/rpc_server.c process_request_packet() Product: Wine Version: 1.7.19 Hardware: x86 OS: Linux Status: NEW Keywords: download, source, testcase Severity: normal Priority: P2 Component: -unknown Assignee: wine-bugs(a)winehq.org Reporter: austinenglish(a)gmail.com ==15328== 81 bytes in 10 blocks are definitely lost in loss record 71 of 107 ==15328== at 0x7BC4C6DF: notify_alloc (heap.c:255) ==15328== by 0x7BC50F23: RtlAllocateHeap (heap.c:1716) ==15328== by 0x4EA25D5: I_RpcAllocate (rpcrt4_main.c:710) ==15328== by 0x4EA0134: RpcTransport_ParseTopOfTower (rpc_transport.c:3604) ==15328== by 0x4E8C6D7: TowerExplode (rpc_epmap.c:559) ==15328== by 0x495DA33: ept_map (epmp.c:219) ==15328== by 0x4960825: epm_ept_map (epm_s.c:744) ==15328== by 0x4E92AB2: process_request_packet (rpc_server.c:441) ==15328== by 0x4E92F06: RPCRT4_process_packet (rpc_server.c:519) ==15328== by 0x4E93099: RPCRT4_worker_thread (rpc_server.c:541) ==15328== by 0x7BC90A24: worker_thread_proc (threadpool.c:110) ==15328== by 0x7BC870C7: ??? (signal_i386.c:2571) ==15328== by 0x7BC87110: call_thread_func (signal_i386.c:2630) ==15328== by 0x7BC870A5: ??? (signal_i386.c:2571) ==15328== by 0x7BC8E4EC: start_thread (thread.c:428) ==15328== by 0x421FF92: start_thread (pthread_create.c:309) ==15328== by 0x43247ED: clone (clone.S:129) ==15328== This shows up at the end of make -k test, but I'm not sure which test causes it. -- Do not reply to this email, post in Bugzilla using the above URL to reply. You are receiving this mail because: You are watching all bug changes.

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[Bug 36586] New: valgrind shows uninitialized memory use in user32/tests/msg.c
by wine-bugs＠winehq.org Aug. 27, 2026

Aug. 27, 2026

https://bugs.winehq.org/show_bug.cgi?id=36586 Bug ID: 36586 Summary: valgrind shows uninitialized memory use in user32/tests/msg.c Product: Wine Version: 1.7.19 Hardware: x86 OS: Linux Status: NEW Keywords: download, source, testcase Severity: normal Priority: P2 Component: user32 Assignee: wine-bugs(a)winehq.org Reporter: austinenglish(a)gmail.com ==27824== Conditional jump or move depends on uninitialised value(s) ==27824== at 0x427931D: vfprintf (vfprintf.c:1634) ==27824== by 0x429C4E1: vsprintf (iovsprintf.c:42) ==27824== by 0x428229E: sprintf (sprintf.c:32) ==27824== by 0x4D13DF4: add_message_ (msg.c:1994) ==27824== by 0x4D4338F: test_hotkey (msg.c:13929) ==27824== by 0x4D47490: func_msg (msg.c:14598) ==27824== by 0x4DA6978: run_test (test.h:584) ==27824== by 0x4DA6D67: main (test.h:654) ==27824== Uninitialised value was created by a stack allocation ==27824== at 0x4D41D56: test_hotkey (msg.c:13707) ==27824== Use of uninitialised value of size 4 ==27824== at 0x42780CD: _itoa_word (_itoa.c:180) ==27824== by 0x427B856: vfprintf (vfprintf.c:1634) ==27824== by 0x429C4E1: vsprintf (iovsprintf.c:42) ==27824== by 0x428229E: sprintf (sprintf.c:32) ==27824== by 0x4D13DF4: add_message_ (msg.c:1994) ==27824== by 0x4D4338F: test_hotkey (msg.c:13929) ==27824== by 0x4D47490: func_msg (msg.c:14598) ==27824== by 0x4DA6978: run_test (test.h:584) ==27824== by 0x4DA6D67: main (test.h:654) ==27824== Uninitialised value was created by a stack allocation ==27824== at 0x4D41D56: test_hotkey (msg.c:13707) ==27824== -- Do not reply to this email, post in Bugzilla using the above URL to reply. You are receiving this mail because: You are watching all bug changes.

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[Bug 36907] New: valgrind shows an unitialized variable in dlls/ieframe/tests/ie.c (nsEventStateManager::Release)
by wine-bugs＠winehq.org Aug. 27, 2026

Aug. 27, 2026

https://bugs.winehq.org/show_bug.cgi?id=36907 Bug ID: 36907 Summary: valgrind shows an unitialized variable in dlls/ieframe/tests/ie.c (nsEventStateManager::Release) Product: Wine Version: 1.7.22 Hardware: x86 OS: Linux Status: NEW Keywords: download, source, testcase, valgrind Severity: normal Priority: P2 Component: ieframe Assignee: wine-bugs(a)winehq.org Reporter: austinenglish(a)gmail.com ==24012== Conditional jump or move depends on uninitialised value(s) ==24012== at 0x103064CA: nsEventStateManager::Release (in /home/austin/.wine/drive_c/windows/system32/gecko/2.24/wine_gecko/xul.dll) ==24012== Uninitialised value was created by a client request ==24012== at 0x7BC4C4D6: mark_block_uninitialized (heap.c:209) ==24012== by 0x7BC4C641: initialize_block (heap.c:240) ==24012== by 0x7BC50F4D: RtlAllocateHeap (heap.c:1717) ==24012== by 0x6FA276B: msvcrt_heap_alloc (heap.c:70) ==24012== by 0x6FA3330: MSVCRT_malloc (heap.c:408) ==24012== by 0x80D71095: moz_xmalloc (mozalloc.cpp:54) ==24012== by 0x109B96F7: NS_InitXPCOM2 (nsxpcominit.cpp:464) ==24012== by 0x6D601B3: init_xpcom (nsembed.c:698) ==24012== by 0x6D60626: load_gecko (nsembed.c:774) ==24012== by 0x6D65013: create_nscontainer (nsembed.c:2042) ==24012== by 0x6CE5477: HTMLDocument_Create (htmldoc.c:4756) ==24012== by 0x6D4F178: ClassFactory_CreateInstance (main.c:238) ==24012== by 0x4EF20A2: CoCreateInstance (unknwn.h:226) ==24012== by 0x4E192B2: create_mime_object (binding.c:258) ==24012== by 0x4E19652: create_object (binding.c:308) ==24012== by 0x4E1C1E8: report_data (binding.c:1077) ==24012== by 0x4E1C531: InternetProtocolSink_ReportData (binding.c:1126) ==24012== by 0x4E218F0: ProtocolSinkHandler_ReportData (urlmon.h:3113) ==24012== by 0x4E22441: report_data_proc (urlmon.h:3113) ==24012== by 0x4E1E10E: process_tasks (bindprot.c:57) ==24012== -- Do not reply to this email, post in Bugzilla using the above URL to reply. You are receiving this mail because: You are watching all bug changes.

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[Bug 36420] New: valgrind shows a possible leak in oledb32/tests/convert.c
by wine-bugs＠winehq.org Aug. 27, 2026

Aug. 27, 2026

https://bugs.winehq.org/show_bug.cgi?id=36420 Bug ID: 36420 Summary: valgrind shows a possible leak in oledb32/tests/convert.c Product: Wine Version: 1.7.18 Hardware: x86 OS: Linux Status: NEW Keywords: download, source, testcase Severity: normal Priority: P2 Component: oledb32 Assignee: wine-bugs(a)winehq.org Reporter: austinenglish(a)gmail.com ==4543== 28 bytes in 1 blocks are possibly lost in loss record 173 of 580 ==4543== at 0x7BC50A9B: RtlAllocateHeap (heap.c:255) ==4543== by 0x512CBB8: apartment_getclassobject (compobj.c:526) ==4543== by 0x512FFC6: get_inproc_class_object (compobj.c:2894) ==4543== by 0x5132D2F: CoGetClassObject (compobj.c:3032) ==4543== by 0x51334B7: CoCreateInstance (compobj.c:3197) ==4543== by 0x4B75932: test_dcinfo (convert.c:47) ==4543== by 0x4B84AFA: func_convert (convert.c:2908) ==4543== by 0x4B90E18: run_test (test.h:584) ==4543== by 0x4B91207: main (test.h:654) ==4543== -- Do not reply to this email, post in Bugzilla using the above URL to reply. You are receiving this mail because: You are watching all bug changes.

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[Bug 36169] New: valgrind shows a possible leak in programs/services/tests/services.c
by wine-bugs＠winehq.org Aug. 27, 2026

Aug. 27, 2026

https://bugs.winehq.org/show_bug.cgi?id=36169 Bug ID: 36169 Summary: valgrind shows a possible leak in programs/services/tests/services.c Product: Wine Version: 1.7.17 Hardware: x86 OS: Linux Status: NEW Keywords: download, source, testcase Severity: normal Priority: P2 Component: programs Assignee: wine-bugs(a)winehq.org Reporter: austinenglish(a)gmail.com ==3856== 32 bytes in 1 blocks are possibly lost in loss record 32 of 104 ==3856== at 0x7BC4C6B7: notify_alloc (heap.c:255) ==3856== by 0x7BC50EFB: RtlAllocateHeap (heap.c:1716) ==3856== by 0x7BC39A6B: RtlInitializeCriticalSectionEx (critsection.c:326) ==3856== by 0x7B876AE5: InitializeCriticalSectionEx (sync.c:356) ==3856== by 0x7B876A64: InitializeCriticalSection (sync.c:313) ==3856== by 0x4A34B0E: test_runner (service.c:445) ==3856== by 0x4A34DAD: func_service (service.c:484) ==3856== by 0x4A35C5D: run_test (test.h:584) ==3856== by 0x4A3604B: main (test.h:654) ==3856== -- Do not reply to this email, post in Bugzilla using the above URL to reply. You are receiving this mail because: You are watching all bug changes.

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[Bug 59691] New: Please add support for the kernel32 SystemTimeToTzSpecificLocalTimeEx function
by WineHQ Bugzilla Aug. 27, 2026

Aug. 27, 2026

http://bugs.winehq.org/show_bug.cgi?id=59691 Bug ID: 59691 Summary: Please add support for the kernel32 SystemTimeToTzSpecificLocalTimeEx function Product: Wine Version: 11.7 Hardware: x86-64 OS: Linux Status: UNCONFIRMED Severity: normal Priority: P2 Component: kernel32 Assignee: wine-bugs(a)list.winehq.org Reporter: jmscdba+bugs(a)gmail.com Distribution: --- Please add support for the kernel32 SystemTimeToTzSpecificLocalTimeEx function Here is the actual message from the backtrace Unhandled exception: unimplemented function KERNEL32.dll.SystemTimeToTzSpecificLocalTimeEx called in 64-bit code (0x006ffffffa8448). -- Do not reply to this email, post in Bugzilla using the above URL to reply. You are receiving this mail because: You are watching all bug changes.

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[Bug 46345] New: mstask/tests/ task.c shows uninitialized memory use in task_set_trigger()
by wine-bugs＠winehq.org Aug. 27, 2026

Aug. 27, 2026

https://bugs.winehq.org/show_bug.cgi?id=46345 Bug ID: 46345 Summary: mstask/tests/task.c shows uninitialized memory use in task_set_trigger() Product: Wine Version: 4.0-rc3 Hardware: x86 OS: Linux Status: NEW Keywords: download, source, testcase, valgrind Severity: normal Priority: P2 Component: mstask Assignee: wine-bugs(a)winehq.org Reporter: austinenglish(a)gmail.com Distribution: Gentoo ../../../tools/runtest -q -P wine -T ../../.. -M mstask.dll -p mstask_test.exe.so task && touch task.ok ==19487== Syscall param write(buf) points to uninitialised byte(s) ==19487== at 0x424EC7F: write (write.c:27) ==19487== by 0x7BC443F7: NtWriteFile (file.c:1305) ==19487== by 0x7B43CC9A: WriteFile (file.c:571) ==19487== by 0x5ADBC76: write_triggers (task.c:1587) ==19487== by 0x5ADE779: MSTASK_IPersistFile_Save (task.c:1760) ==19487== by 0x42282EA: IPersistFile_Save (objidl.h:4652) ==19487== by 0x42282EA: save_job (???:0) ==19487== by 0x422A3E2: test_Run (task.c:606) ==19487== by 0x422ABBE: func_task (task.c:793) ==19487== by 0x4230331: run_test (test.h:617) ==19487== by 0x4230D6F: main (test.h:701) ==19487== Address 0x4954690 is 40 bytes inside a recently re-allocated block of size 48 alloc'd ==19487== at 0x7BC483AD: notify_alloc (heap.c:260) ==19487== by 0x7BC4B8D1: RtlAllocateHeap (heap.c:1726) ==19487== by 0x5ADDDCD: heap_alloc (heap.h:29) ==19487== by 0x5ADEA7D: MSTASK_ITask_CreateTrigger (task.c:327) ==19487== by 0x5ADBBFC: ITask_CreateTrigger (mstask.h:1210) ==19487== by 0x5ADBBFC: write_triggers (???:0) ==19487== by 0x5ADE779: MSTASK_IPersistFile_Save (task.c:1760) ==19487== by 0x42282EA: IPersistFile_Save (objidl.h:4652) ==19487== by 0x42282EA: save_job (???:0) ==19487== by 0x422A1E2: test_Run (task.c:571) ==19487== by 0x422ABBE: func_task (task.c:793) ==19487== by 0x4230331: run_test (test.h:617) ==19487== by 0x4230D6F: main (test.h:701) ==19487== Uninitialised value was created by a stack allocation ==19487== at 0x5ADEC03: task_set_trigger (task.c:153) ==19487== -- Do not reply to this email, post in Bugzilla using the above URL to reply. You are receiving this mail because: You are watching all bug changes.

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[Bug 38675] New: valgrind shows uninitialized memory in kernel32/file.c:DeviceIoControl()
by wine-bugs＠winehq.org Aug. 27, 2026

Aug. 27, 2026

https://bugs.winehq.org/show_bug.cgi?id=38675 Bug ID: 38675 Summary: valgrind shows uninitialized memory in kernel32/file.c:DeviceIoControl() Product: Wine Version: 1.7.44 Hardware: x86 OS: Linux Status: NEW Keywords: download, source, testcase, valgrind Severity: normal Priority: P2 Component: kernel32 Assignee: wine-bugs(a)winehq.org Reporter: austinenglish(a)gmail.com Distribution: Fedora ../../../tools/runtest -q -P wine -T ../../.. -M kernel32.dll -p kernel32_test.exe.so drive && touch drive.ok ==14492== Syscall param writev(vector[...]) points to uninitialised byte(s) ==14492== at 0x4F7A0F23: __writev_nocancel (in /usr/lib/libc-2.21.so) ==14492== by 0x7BC7A9C5: send_request (server.c:228) ==14492== by 0x7BC7AB52: wine_server_call (server.c:309) ==14492== by 0x7BC7B8CD: server_select (server.c:607) ==14492== by 0x7BC85426: NtWaitForMultipleObjects (sync.c:976) ==14492== by 0x7BC85471: NtWaitForSingleObject (sync.c:985) ==14492== by 0x7BC45DFF: server_ioctl_file (file.c:1539) ==14492== by 0x7BC45FF7: NtDeviceIoControlFile (file.c:1628) ==14492== by 0x7B840C64: DeviceIoControl (file.c:2599) ==14492== by 0x7B87DAFA: get_mountmgr_drive_type (volume.c:206) ==14492== by 0x7B88133A: GetDriveTypeW (volume.c:1614) ==14492== by 0x7B8814F9: GetDriveTypeA (volume.c:1660) ==14492== by 0x47D4D2E: test_GetDriveTypeA (drive.c:41) ==14492== by 0x47D5770: func_drive (drive.c:207) ==14492== by 0x4893BD4: run_test (test.h:584) ==14492== by 0x489401C: main (test.h:666) ==14492== Address 0x4b7f5c4 is on thread 1's stack ==14492== in frame #3, created by server_select (server.c:586) ==14492== Uninitialised value was created by a stack allocation ==14492== at 0x7B840A55: DeviceIoControl (file.c:2549) ==14492== -- Do not reply to this email, post in Bugzilla using the above URL to reply. You are receiving this mail because: You are watching all bug changes.

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[Bug 38674] New: valgrind shows uninitialized memory in kernel32/tests/console.c:test_WriteConsoleInputA()
by wine-bugs＠winehq.org Aug. 27, 2026

Aug. 27, 2026

https://bugs.winehq.org/show_bug.cgi?id=38674 Bug ID: 38674 Summary: valgrind shows uninitialized memory in kernel32/tests/console.c:test_WriteConsoleInputA() Product: Wine Version: 1.7.44 Hardware: x86 OS: Linux Status: NEW Keywords: download, source, testcase, valgrind Severity: normal Priority: P2 Component: kernel32 Assignee: wine-bugs(a)winehq.org Reporter: austinenglish(a)gmail.com Distribution: Fedora ../../../tools/runtest -q -P wine -T ../../.. -M kernel32.dll -p kernel32_test.exe.so console && touch console.ok ==14463== Syscall param writev(vector[...]) points to uninitialised byte(s) ==14463== at 0x4F7A0F4B: ??? (in /usr/lib/libc-2.21.so) ==14463== by 0x7BC7A9C5: send_request (server.c:228) ==14463== by 0x7BC7AB52: wine_server_call (server.c:309) ==14463== by 0x7B82DC08: wine_server_call_err (server.h:61) ==14463== by 0x7B82ED10: WriteConsoleInputW (console.c:533) ==14463== by 0x7B82EBCB: WriteConsoleInputA (console.c:506) ==14463== by 0x47C817E: test_WriteConsoleInputA (console.c:1438) ==14463== by 0x47CF063: func_console (console.c:2712) ==14463== by 0x4893BD4: run_test (test.h:584) ==14463== by 0x489401C: main (test.h:666) ==14463== Address 0x4666042 is 2 bytes inside a recently re-allocated block of size 20 alloc'd ==14463== at 0x7BC4A9F1: notify_alloc (heap.c:254) ==14463== by 0x7BC4EC94: RtlAllocateHeap (heap.c:1715) ==14463== by 0x7B84351C: HeapAlloc (heap.c:271) ==14463== by 0x7B82EB67: WriteConsoleInputA (console.c:496) ==14463== by 0x47C817E: test_WriteConsoleInputA (console.c:1438) ==14463== by 0x47CF063: func_console (console.c:2712) ==14463== by 0x4893BD4: run_test (test.h:584) ==14463== by 0x489401C: main (test.h:666) ==14463== Uninitialised value was created by a stack allocation ==14463== at 0x47C7B45: test_WriteConsoleInputA (console.c:1364) ==14463== -- Do not reply to this email, post in Bugzilla using the above URL to reply. You are receiving this mail because: You are watching all bug changes.

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[Bug 38452] New: valgrind shows an uninitialized variable in urlmon/tests/url.c
by wine-bugs＠winehq.org Aug. 27, 2026

Aug. 27, 2026

https://bugs.winehq.org/show_bug.cgi?id=38452 Bug ID: 38452 Summary: valgrind shows an uninitialized variable in urlmon/tests/url.c Product: Wine Version: 1.7.41 Hardware: x86 OS: Linux Status: NEW Keywords: download, source, testcase, valgrind Severity: normal Priority: P2 Component: urlmon Assignee: wine-bugs(a)winehq.org Reporter: austinenglish(a)gmail.com Distribution: Debian ==16118== Conditional jump or move depends on uninitialised value(s) ==16118== at 0x98944C9: ??? ==16118== by 0x59BB456: create_nscontainer (nsembed.c:2115) ==16118== by 0x59389E8: HTMLDocument_Create (htmldoc.c:4857) ==16118== by 0x59A727D: ClassFactory_CreateInstance (main.c:271) ==16118== by 0x49F746C: IClassFactory_CreateInstance (unknwn.h:226) ==16118== by 0x49F746C: CoCreateInstance (???:0) ==16118== by 0x4929C7C: create_mime_object (binding.c:260) ==16118== by 0x4929FAB: create_object (binding.c:310) ==16118== by 0x492C716: report_data (binding.c:1079) ==16118== by 0x492C9F3: InternetProtocolSink_ReportData (binding.c:1128) ==16118== by 0x4931581: IInternetProtocolSink_ReportData (urlmon.h:3113) ==16118== by 0x4931581: ProtocolSinkHandler_ReportData (???:0) ==16118== by 0x4931FF0: IInternetProtocolSink_ReportData (urlmon.h:3113) ==16118== by 0x4931FF0: report_data_proc (???:0) ==16118== by 0x492E367: process_tasks (bindprot.c:57) ==16118== by 0x492E3B8: notif_wnd_proc (bindprot.c:68) ==16118== by 0x4C424C9: ??? (winproc.c:174) ==16118== by 0x4C425FC: call_window_proc (winproc.c:245) ==16118== by 0x4C44370: WINPROC_call_window (winproc.c:901) ==16118== by 0x4C0CB60: DispatchMessageW (message.c:4027) ==16118== by 0x492DD97: start_binding (binding.c:1554) ==16118== by 0x492DF63: bind_to_object (binding.c:1598) ==16118== by 0x494AA69: URLMoniker_BindToObject (umon.c:260) ==16118== Uninitialised value was created by a stack allocation ==16118== at 0x9894439: ??? ==16118== -- Do not reply to this email, post in Bugzilla using the above URL to reply. You are receiving this mail because: You are watching all bug changes.

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