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

[Bug 59691] New: Please add support for the kernel32 SystemTimeToTzSpecificLocalTimeEx function
by WineHQ Bugzilla Aug. 28, 2026

Aug. 28, 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.

1 5

[Bug 46345] New: mstask/tests/ task.c shows uninitialized memory use in task_set_trigger()
by wine-bugs＠winehq.org Aug. 28, 2026

Aug. 28, 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.

2 2

[Bug 38675] New: valgrind shows uninitialized memory in kernel32/file.c:DeviceIoControl()
by wine-bugs＠winehq.org Aug. 28, 2026

Aug. 28, 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.

2 3

[Bug 38674] New: valgrind shows uninitialized memory in kernel32/tests/console.c:test_WriteConsoleInputA()
by wine-bugs＠winehq.org Aug. 28, 2026

Aug. 28, 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.

2 2

[Bug 38452] New: valgrind shows an uninitialized variable in urlmon/tests/url.c
by wine-bugs＠winehq.org Aug. 28, 2026

Aug. 28, 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.

2 2

[Bug 52374] New: compiling on Cygwin fails: error: ‘S_IRUSR’ undeclared (in libs/mpg123)
by WineHQ Bugzilla Aug. 28, 2026

Aug. 28, 2026

https://bugs.winehq.org/show_bug.cgi?id=52374 Bug ID: 52374 Summary: compiling on Cygwin fails: error: ‘S_IRUSR’ undeclared (in libs/mpg123) Product: Wine Version: 7.0-rc5 Hardware: x86-64 OS: Windows Status: UNCONFIRMED Severity: normal Priority: P2 Component: l3codeca.acm Assignee: wine-bugs(a)winehq.org Reporter: saulius2(a)gmail.com (This is continuation from the bug 52370) After faking some dlls from there, make then fails in libs/mpg123. Other defines are missing too: S_IWUSR, S_IRGRP, S_IWGRP, S_IROTH, S_IWOTH. --- snip --- $ make gcc -c -o libs/mpg123/src/compat/compat.o libs/mpg123/src/compat/compat.c -Ilibs/mpg123 -Iinclude -Iinclude/msvcrt \ -Ilibs/mpg123/src -Ilibs/mpg123/src/compat -Ilibs/mpg123/src/libmpg123 -DOPT_GENERIC_DITHER \ -DREAL_IS_FLOAT -DNO_CATCHSIGNAL -DMPG123_NO_LARGENAME -D_UCRT -fasynchronous-unwind-tables \ -D_WIN32 -fno-builtin -fshort-wchar -D__WINE_PE_BUILD -pipe -fcf-protection=none \ -fno-stack-protector -fno-strict-aliasing -Wno-packed-not-aligned -gdwarf-4 \ -fno-omit-frame-pointer -g -O2 libs/mpg123/src/compat/compat.c: In function ‘INT123_compat_open’: libs/mpg123/src/compat/compat.c:96:37: error: ‘S_IRUSR’ undeclared (first use in this function) 96 | ret = open(filename, flags, S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP|S_IROTH|S_IWOTH); | ^~~~~~~ libs/mpg123/src/compat/compat.c:96:37: note: each undeclared identifier is reported only once for each function it appears in libs/mpg123/src/compat/compat.c:96:45: error: ‘S_IWUSR’ undeclared (first use in this function) 96 | ret = open(filename, flags, S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP|S_IROTH|S_IWOTH); | ^~~~~~~ libs/mpg123/src/compat/compat.c:96:53: error: ‘S_IRGRP’ undeclared (first use in this function) 96 | ret = open(filename, flags, S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP|S_IROTH|S_IWOTH); | ^~~~~~~ libs/mpg123/src/compat/compat.c:96:61: error: ‘S_IWGRP’ undeclared (first use in this function) 96 | ret = open(filename, flags, S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP|S_IROTH|S_IWOTH); | ^~~~~~~ libs/mpg123/src/compat/compat.c:96:69: error: ‘S_IROTH’ undeclared (first use in this function) 96 | ret = open(filename, flags, S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP|S_IROTH|S_IWOTH); | ^~~~~~~ libs/mpg123/src/compat/compat.c:96:77: error: ‘S_IWOTH’ undeclared (first use in this function) 96 | ret = open(filename, flags, S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP|S_IROTH|S_IWOTH); | ^~~~~~~ make: *** [Makefile:160889: libs/mpg123/src/compat/compat.o] Error 1 --- snip --- This then leads to dlls/l3codeca.acm/l3codeca.acm build failure. -- 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.

2 7

[Bug 46344] New: valgrind shows some invalid reads in mshtml/tests/ htmldoc.c
by wine-bugs＠winehq.org Aug. 28, 2026

Aug. 28, 2026

https://bugs.winehq.org/show_bug.cgi?id=46344 Bug ID: 46344 Summary: valgrind shows some invalid reads in mshtml/tests/htmldoc.c Product: Wine Version: 4.0-rc3 Hardware: x86 OS: Linux Status: NEW Keywords: download, source, testcase, valgrind Severity: normal Priority: P2 Component: mshtml Assignee: wine-bugs(a)winehq.org Reporter: austinenglish(a)gmail.com Distribution: --- ../../../tools/runtest -q -P wine -T ../../.. -M mshtml.dll -p mshtml_test.exe.so htmldoc && touch htmldoc.ok ==14162== Thread 6: ==14162== Syscall param writev(vector[...]) points to uninitialised byte(s) ==14162== at 0x4356813: writev (writev.c:26) ==14162== by 0x7BC75457: send_request (server.c:228) ==14162== by 0x7BC76158: server_call_unlocked (server.c:288) ==14162== by 0x7BC761AD: wine_server_call (server.c:321) ==14162== by 0x7BC419E5: server_write_file (file.c:621) ==14162== by 0x7BC43FCB: NtWriteFile (file.c:1229) ==14162== by 0x53E1016: rpcrt4_conn_np_write (rpc_transport.c:416) ==14162== by 0x53D374C: rpcrt4_conn_write (rpc_binding.h:197) ==14162== by 0x53D4FD0: RPCRT4_SendWithAuth (rpc_message.c:850) ==14162== by 0x53D5CE2: RPCRT4_Send (rpc_message.c:1249) ==14162== by 0x53D78DD: process_request_packet (rpc_server.c:462) ==14162== by 0x53D85EE: RPCRT4_process_packet (rpc_server.c:517) ==14162== by 0x53D867F: RPCRT4_worker_thread (rpc_server.c:539) ==14162== by 0x7BC85243: process_rtl_work_item (threadpool.c:349) ==14162== by 0x7BC867A7: threadpool_worker_proc (threadpool.c:2126) ==14162== by 0x7BC77F0F: ??? (in /home/austin/wine-valgrind/dlls/ntdll/ntdll.dll.so) ==14162== by 0x7BC7B2D5: call_thread_func (signal_i386.c:2654) ==14162== by 0x7BC77F01: ??? (in /home/austin/wine-valgrind/dlls/ntdll/ntdll.dll.so) ==14162== Address 0x49c2b0c is 44 bytes inside a recently re-allocated block of size 92 alloc'd ==14162== at 0x7BC483AD: notify_alloc (heap.c:260) ==14162== by 0x7BC4B8D1: RtlAllocateHeap (heap.c:1726) ==14162== by 0x53D5086: RPCRT4_SendWithAuth (rpc_message.c:809) ==14162== by 0x53D5CE2: RPCRT4_Send (rpc_message.c:1249) ==14162== by 0x53D78DD: process_request_packet (rpc_server.c:462) ==14162== by 0x53D85EE: RPCRT4_process_packet (rpc_server.c:517) ==14162== by 0x53D867F: RPCRT4_worker_thread (rpc_server.c:539) ==14162== by 0x7BC85243: process_rtl_work_item (threadpool.c:349) ==14162== by 0x7BC867A7: threadpool_worker_proc (threadpool.c:2126) ==14162== by 0x7BC77F0F: ??? (in /home/austin/wine-valgrind/dlls/ntdll/ntdll.dll.so) ==14162== by 0x7BC7B2D5: call_thread_func (signal_i386.c:2654) ==14162== by 0x7BC77F01: ??? (in /home/austin/wine-valgrind/dlls/ntdll/ntdll.dll.so) ==14162== Uninitialised value was created by a client request ==14162== at 0x7BC4831C: mark_block_uninitialized (heap.c:214) ==14162== by 0x7BC4A643: initialize_block (heap.c:245) ==14162== by 0x7BC4B8E7: RtlAllocateHeap (heap.c:1727) ==14162== by 0x4BE5298: IMalloc_fnAlloc (ifs.c:187) ==14162== by 0x4BE572E: IMalloc_Alloc (objidl.h:1414) ==14162== by 0x4BE572E: CoTaskMemAlloc (???:0) ==14162== by 0x4C12F6A: RemUnknown_RemQueryInterface (stubmanager.c:719) ==14162== by 0x4C1B589: IRemUnknown_RemQueryInterface_Stub (dcom_p.c:366) ==14162== by 0x53B2DB4: CStdStubBuffer_Invoke (cstub.c:490) ==14162== by 0x4BFC003: IRpcStubBuffer_Invoke (objidl.h:7887) ==14162== by 0x4BFC003: RPC_ExecuteCall (???:0) ==14162== by 0x4BCB493: apartment_wndproc (compobj.c:1500) ==14162== by 0x4F06F0D: ??? (in /home/austin/wine-valgrind/dlls/user32/user32.dll.so) ==14162== by 0x4F0752B: call_window_proc (winproc.c:246) ==14162== by 0x4F09554: WINPROC_call_window (winproc.c:921) ==14162== by 0x4ECF35F: DispatchMessageW (message.c:4055) ==14162== by 0x4AA1F06: IEWinMain (iexplore.c:1193) ==14162== by 0x4A419F3: wWinMain (main.c:92) ==14162== by 0x4A41C48: wmain (exe_wmain.c:51) ==14162== by 0x4A41B3F: __wine_spec_exe_wentry (exe_wentry.c:36) ==14162== by 0x7B45C1E1: ??? (in /home/austin/wine-valgrind/dlls/kernel32/kernel32.dll.so) ==14162== by 0x7B460231: start_process (process.c:1273) ==14162== ==13345== Thread 40: ==13345== Syscall param writev(vector[...]) points to uninitialised byte(s) ==13345== at 0x4356813: writev (writev.c:26) ==13345== by 0x7BC75457: send_request (server.c:228) ==13345== by 0x7BC76158: server_call_unlocked (server.c:288) ==13345== by 0x7BC761AD: wine_server_call (server.c:321) ==13345== by 0x7BC419E5: server_write_file (file.c:621) ==13345== by 0x7BC43FCB: NtWriteFile (file.c:1229) ==13345== by 0x53A8016: rpcrt4_conn_np_write (rpc_transport.c:416) ==13345== by 0x539A74C: rpcrt4_conn_write (rpc_binding.h:197) ==13345== by 0x539BFD0: RPCRT4_SendWithAuth (rpc_message.c:850) ==13345== by 0x539CCE2: RPCRT4_Send (rpc_message.c:1249) ==13345== by 0x539E8DD: process_request_packet (rpc_server.c:462) ==13345== by 0x539F5EE: RPCRT4_process_packet (rpc_server.c:517) ==13345== by 0x539F67F: RPCRT4_worker_thread (rpc_server.c:539) ==13345== by 0x7BC85243: process_rtl_work_item (threadpool.c:349) ==13345== by 0x7BC867A7: threadpool_worker_proc (threadpool.c:2126) ==13345== by 0x7BC77F0F: ??? (in /home/austin/wine-valgrind/dlls/ntdll/ntdll.dll.so) ==13345== by 0x7BC7B2D5: call_thread_func (signal_i386.c:2654) ==13345== by 0x7BC77F01: ??? (in /home/austin/wine-valgrind/dlls/ntdll/ntdll.dll.so) ==13345== Address 0x8eb5f64 is 44 bytes inside a recently re-allocated block of size 92 alloc'd ==13345== at 0x7BC483AD: notify_alloc (heap.c:260) ==13345== by 0x7BC4B8D1: RtlAllocateHeap (heap.c:1726) ==13345== by 0x539C086: RPCRT4_SendWithAuth (rpc_message.c:809) ==13345== by 0x539CCE2: RPCRT4_Send (rpc_message.c:1249) ==13345== by 0x539E8DD: process_request_packet (rpc_server.c:462) ==13345== by 0x539F5EE: RPCRT4_process_packet (rpc_server.c:517) ==13345== by 0x539F67F: RPCRT4_worker_thread (rpc_server.c:539) ==13345== by 0x7BC85243: process_rtl_work_item (threadpool.c:349) ==13345== by 0x7BC867A7: threadpool_worker_proc (threadpool.c:2126) ==13345== by 0x7BC77F0F: ??? (in /home/austin/wine-valgrind/dlls/ntdll/ntdll.dll.so) ==13345== by 0x7BC7B2D5: call_thread_func (signal_i386.c:2654) ==13345== by 0x7BC77F01: ??? (in /home/austin/wine-valgrind/dlls/ntdll/ntdll.dll.so) ==13345== Uninitialised value was created by a client request ==13345== at 0x7BC4831C: mark_block_uninitialized (heap.c:214) ==13345== by 0x7BC4A643: initialize_block (heap.c:245) ==13345== by 0x7BC4B8E7: RtlAllocateHeap (heap.c:1727) ==13345== by 0x4CAC298: IMalloc_fnAlloc (ifs.c:187) ==13345== by 0x4CAC72E: IMalloc_Alloc (objidl.h:1414) ==13345== by 0x4CAC72E: CoTaskMemAlloc (???:0) ==13345== by 0x4CD9F6A: RemUnknown_RemQueryInterface (stubmanager.c:719) ==13345== by 0x4CE2589: IRemUnknown_RemQueryInterface_Stub (dcom_p.c:366) ==13345== by 0x5379DB4: CStdStubBuffer_Invoke (cstub.c:490) ==13345== by 0x4CC3003: IRpcStubBuffer_Invoke (objidl.h:7887) ==13345== by 0x4CC3003: RPC_ExecuteCall (???:0) ==13345== by 0x4C92493: apartment_wndproc (compobj.c:1500) ==13345== by 0x4FCDF0D: ??? (in /home/austin/wine-valgrind/dlls/user32/user32.dll.so) ==13345== by 0x4FCE52B: call_window_proc (winproc.c:246) ==13345== by 0x4FD0554: WINPROC_call_window (winproc.c:921) ==13345== by 0x4F9635F: DispatchMessageW (message.c:4055) ==13345== by 0x4C98407: CoWaitForMultipleHandles (compobj.c:4591) ==13345== by 0x4CC1047: ClientRpcChannelBuffer_SendReceive (rpc.c:913) ==13345== by 0x53782FE: IRpcChannelBuffer_SendReceive (objidl.h:7075) ==13345== by 0x53782FE: NdrProxySendReceive (???:0) ==13345== by 0x2327655D: ITargetFramePriv2_AggregatedNavigation2_Proxy (actxprxy_htiface_p.c:3445) ==13345== by 0x6EDE7BE: ITargetFramePriv2_AggregatedNavigation2 (htiface.h:600) ==13345== by 0x6EDE7BE: navigate_new_window (???:0) ==13345== by 0x6ED00E4: HTMLWindow2_open (htmlwindow.c:1012) ==13345== -- 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.

2 3

[Bug 43313] New: valgrind shows several uninitialized writes in dlls/ dinput/tests/device.c
by wine-bugs＠winehq.org Aug. 28, 2026

Aug. 28, 2026

https://bugs.winehq.org/show_bug.cgi?id=43313 Bug ID: 43313 Summary: valgrind shows several uninitialized writes in dlls/dinput/tests/device.c Product: Wine Version: 2.12 Hardware: x86 OS: Linux Status: NEW Keywords: download, source, testcase, valgrind Severity: normal Priority: P2 Component: directx-dinput Assignee: wine-bugs(a)winehq.org Reporter: austinenglish(a)gmail.com CC: 00cpxxx(a)gmail.com Distribution: Gentoo ==21119== Syscall param write(buf) points to uninitialised byte(s) ==21119== at 0x424DE7F: ??? (syscall-template.S:84) ==21119== by 0x52A6DAE: JoystickWImpl_Acquire (joystick_linuxinput.c:718) ==21119== by 0x52A6F15: JoystickAImpl_Acquire (joystick_linuxinput.c:736) ==21119== by 0x48783BA: test_object_info (device.c:118) ==21119== by 0x4878BBB: enum_devices (device.c:194) ==21119== by 0x5295DD3: ??? (dinput_main.c:351) ==21119== by 0x5296011: IDirectInputAImpl_EnumDevices (dinput_main.c:419) ==21119== by 0x4878EF8: device_tests (device.c:241) ==21119== by 0x4879050: func_device (device.c:266) ==21119== by 0x48822E7: run_test (test.h:603) ==21119== by 0x4882739: main (test.h:687) ==21119== Address 0x4b0f68c is on thread 1's stack ==21119== in frame #1, created by JoystickWImpl_Acquire (joystick_linuxinput.c:684) ==21119== Uninitialised value was created by a stack allocation ==21119== at 0x52A6B64: JoystickWImpl_Acquire (joystick_linuxinput.c:684) ==21119== ==21119== Syscall param write(buf) points to uninitialised byte(s) ==21119== at 0x424DE7F: ??? (syscall-template.S:84) ==21119== by 0x52A700D: JoystickWImpl_Unacquire (joystick_linuxinput.c:762) ==21119== by 0x52A70F0: JoystickAImpl_Unacquire (joystick_linuxinput.c:774) ==21119== by 0x4878441: test_object_info (device.c:121) ==21119== by 0x4878BBB: enum_devices (device.c:194) ==21119== by 0x5295DD3: ??? (dinput_main.c:351) ==21119== by 0x5296011: IDirectInputAImpl_EnumDevices (dinput_main.c:419) ==21119== by 0x4878EF8: device_tests (device.c:241) ==21119== by 0x4879050: func_device (device.c:266) ==21119== by 0x48822E7: run_test (test.h:603) ==21119== by 0x4882739: main (test.h:687) ==21119== Address 0x4b0f68c is on thread 1's stack ==21119== in frame #1, created by JoystickWImpl_Unacquire (joystick_linuxinput.c:743) ==21119== Uninitialised value was created by a stack allocation ==21119== at 0x52A6F36: JoystickWImpl_Unacquire (joystick_linuxinput.c:743) ==21119== ==21119== Syscall param write(buf) points to uninitialised byte(s) ==21119== at 0x424DE7F: ??? (syscall-template.S:84) ==21119== by 0x52A6DAE: JoystickWImpl_Acquire (joystick_linuxinput.c:718) ==21119== by 0x52A6F15: JoystickAImpl_Acquire (joystick_linuxinput.c:736) ==21119== by 0x48785AF: test_object_info (device.c:131) ==21119== by 0x4878BBB: enum_devices (device.c:194) ==21119== by 0x5295DD3: ??? (dinput_main.c:351) ==21119== by 0x5296011: IDirectInputAImpl_EnumDevices (dinput_main.c:419) ==21119== by 0x4878EF8: device_tests (device.c:241) ==21119== by 0x4879050: func_device (device.c:266) ==21119== by 0x48822E7: run_test (test.h:603) ==21119== by 0x4882739: main (test.h:687) ==21119== Address 0x4b0f68c is on thread 1's stack ==21119== in frame #1, created by JoystickWImpl_Acquire (joystick_linuxinput.c:684) ==21119== Uninitialised value was created by a stack allocation ==21119== at 0x52A6B64: JoystickWImpl_Acquire (joystick_linuxinput.c:684) ==21119== ==21119== Syscall param write(buf) points to uninitialised byte(s) ==21119== at 0x424DE7F: ??? (syscall-template.S:84) ==21119== by 0x52A700D: JoystickWImpl_Unacquire (joystick_linuxinput.c:762) ==21119== by 0x52A70F0: JoystickAImpl_Unacquire (joystick_linuxinput.c:774) ==21119== by 0x4878683: test_object_info (device.c:136) ==21119== by 0x4878BBB: enum_devices (device.c:194) ==21119== by 0x5295DD3: ??? (dinput_main.c:351) ==21119== by 0x5296011: IDirectInputAImpl_EnumDevices (dinput_main.c:419) ==21119== by 0x4878EF8: device_tests (device.c:241) ==21119== by 0x4879050: func_device (device.c:266) ==21119== by 0x48822E7: run_test (test.h:603) ==21119== by 0x4882739: main (test.h:687) ==21119== Address 0x4b0f68c is on thread 1's stack ==21119== in frame #1, created by JoystickWImpl_Unacquire (joystick_linuxinput.c:743) ==21119== Uninitialised value was created by a stack allocation ==21119== at 0x52A6F36: JoystickWImpl_Unacquire (joystick_linuxinput.c:743) ==21119== ==21119== Syscall param write(buf) points to uninitialised byte(s) ==21119== at 0x424DE7F: ??? (syscall-template.S:84) ==21119== by 0x52A6DAE: JoystickWImpl_Acquire (joystick_linuxinput.c:718) ==21119== by 0x52A6F15: JoystickAImpl_Acquire (joystick_linuxinput.c:736) ==21119== by 0x48788F9: test_object_info (device.c:161) ==21119== by 0x4878BBB: enum_devices (device.c:194) ==21119== by 0x5295DD3: ??? (dinput_main.c:351) ==21119== by 0x5296011: IDirectInputAImpl_EnumDevices (dinput_main.c:419) ==21119== by 0x4878EF8: device_tests (device.c:241) ==21119== by 0x4879050: func_device (device.c:266) ==21119== by 0x48822E7: run_test (test.h:603) ==21119== by 0x4882739: main (test.h:687) ==21119== Address 0x4b0f68c is on thread 1's stack ==21119== in frame #1, created by JoystickWImpl_Acquire (joystick_linuxinput.c:684) ==21119== Uninitialised value was created by a stack allocation ==21119== at 0x52A6B64: JoystickWImpl_Acquire (joystick_linuxinput.c:684) ==21119== ==21119== Syscall param write(buf) points to uninitialised byte(s) ==21119== at 0x424DE7F: ??? (syscall-template.S:84) ==21119== by 0x52A700D: JoystickWImpl_Unacquire (joystick_linuxinput.c:762) ==21119== by 0x52A70F0: JoystickAImpl_Unacquire (joystick_linuxinput.c:774) ==21119== by 0x48789BD: test_object_info (device.c:166) ==21119== by 0x4878BBB: enum_devices (device.c:194) ==21119== by 0x5295DD3: ??? (dinput_main.c:351) ==21119== by 0x5296011: IDirectInputAImpl_EnumDevices (dinput_main.c:419) ==21119== by 0x4878EF8: device_tests (device.c:241) ==21119== by 0x4879050: func_device (device.c:266) ==21119== by 0x48822E7: run_test (test.h:603) ==21119== by 0x4882739: main (test.h:687) ==21119== Address 0x4b0f68c is on thread 1's stack ==21119== in frame #1, created by JoystickWImpl_Unacquire (joystick_linuxinput.c:743) ==21119== Uninitialised value was created by a stack allocation ==21119== at 0x52A6F36: JoystickWImpl_Unacquire (joystick_linuxinput.c:743) ==21119== ==21119== Syscall param write(buf) points to uninitialised byte(s) ==21119== at 0x424DE7F: ??? (syscall-template.S:84) ==21119== by 0x52A6DAE: JoystickWImpl_Acquire (joystick_linuxinput.c:718) ==21119== by 0x48783BA: test_object_info (device.c:118) ==21119== by 0x4878C4C: enum_devices (device.c:200) ==21119== by 0x5295DD3: ??? (dinput_main.c:351) ==21119== by 0x5296011: IDirectInputAImpl_EnumDevices (dinput_main.c:419) ==21119== by 0x4878EF8: device_tests (device.c:241) ==21119== by 0x4879050: func_device (device.c:266) ==21119== by 0x48822E7: run_test (test.h:603) ==21119== by 0x4882739: main (test.h:687) ==21119== Address 0x4b0f6cc is on thread 1's stack ==21119== in frame #1, created by JoystickWImpl_Acquire (joystick_linuxinput.c:684) ==21119== Uninitialised value was created by a stack allocation ==21119== at 0x52A6B64: JoystickWImpl_Acquire (joystick_linuxinput.c:684) ==21119== ==21119== Syscall param write(buf) points to uninitialised byte(s) ==21119== at 0x424DE7F: ??? (syscall-template.S:84) ==21119== by 0x52A700D: JoystickWImpl_Unacquire (joystick_linuxinput.c:762) ==21119== by 0x4878441: test_object_info (device.c:121) ==21119== by 0x4878C4C: enum_devices (device.c:200) ==21119== by 0x5295DD3: ??? (dinput_main.c:351) ==21119== by 0x5296011: IDirectInputAImpl_EnumDevices (dinput_main.c:419) ==21119== by 0x4878EF8: device_tests (device.c:241) ==21119== by 0x4879050: func_device (device.c:266) ==21119== by 0x48822E7: run_test (test.h:603) ==21119== by 0x4882739: main (test.h:687) ==21119== Address 0x4b0f6cc is on thread 1's stack ==21119== in frame #1, created by JoystickWImpl_Unacquire (joystick_linuxinput.c:743) ==21119== Uninitialised value was created by a stack allocation ==21119== at 0x52A6F36: JoystickWImpl_Unacquire (joystick_linuxinput.c:743) ==21119== ==21119== Syscall param write(buf) points to uninitialised byte(s) ==21119== at 0x424DE7F: ??? (syscall-template.S:84) ==21119== by 0x52A6DAE: JoystickWImpl_Acquire (joystick_linuxinput.c:718) ==21119== by 0x48785AF: test_object_info (device.c:131) ==21119== by 0x4878C4C: enum_devices (device.c:200) ==21119== by 0x5295DD3: ??? (dinput_main.c:351) ==21119== by 0x5296011: IDirectInputAImpl_EnumDevices (dinput_main.c:419) ==21119== by 0x4878EF8: device_tests (device.c:241) ==21119== by 0x4879050: func_device (device.c:266) ==21119== by 0x48822E7: run_test (test.h:603) ==21119== by 0x4882739: main (test.h:687) ==21119== Address 0x4b0f6cc is on thread 1's stack ==21119== in frame #1, created by JoystickWImpl_Acquire (joystick_linuxinput.c:684) ==21119== Uninitialised value was created by a stack allocation ==21119== at 0x52A6B64: JoystickWImpl_Acquire (joystick_linuxinput.c:684) ==21119== ==21119== Syscall param write(buf) points to uninitialised byte(s) ==21119== at 0x424DE7F: ??? (syscall-template.S:84) ==21119== by 0x52A700D: JoystickWImpl_Unacquire (joystick_linuxinput.c:762) ==21119== by 0x4878683: test_object_info (device.c:136) ==21119== by 0x4878C4C: enum_devices (device.c:200) ==21119== by 0x5295DD3: ??? (dinput_main.c:351) ==21119== by 0x5296011: IDirectInputAImpl_EnumDevices (dinput_main.c:419) ==21119== by 0x4878EF8: device_tests (device.c:241) ==21119== by 0x4879050: func_device (device.c:266) ==21119== by 0x48822E7: run_test (test.h:603) ==21119== by 0x4882739: main (test.h:687) ==21119== Address 0x4b0f6cc is on thread 1's stack ==21119== in frame #1, created by JoystickWImpl_Unacquire (joystick_linuxinput.c:743) ==21119== Uninitialised value was created by a stack allocation ==21119== at 0x52A6F36: JoystickWImpl_Unacquire (joystick_linuxinput.c:743) ==21119== wine-2.12. Note: I had a Sony DS4 plugged in via USB when the tests were run, which may be related -- 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.

2 3

[Bug 37157] New: mshtml/events test hangs under valgrind
by wine-bugs＠winehq.org Aug. 28, 2026

Aug. 28, 2026

https://bugs.winehq.org/show_bug.cgi?id=37157 Bug ID: 37157 Summary: mshtml/events test hangs under valgrind Product: Wine Version: 1.7.24 Hardware: x86 OS: Linux Status: NEW Severity: normal Priority: P2 Component: mshtml Assignee: wine-bugs(a)winehq.org Reporter: austinenglish(a)gmail.com Created attachment 49389 --> https://bugs.winehq.org/attachment.cgi?id=49389 valgrind output I've only noticed this on my debian desktop, but it's repeatable every time. austin(a)debian-home:~/wine-valgrind-known$ valgrind --version valgrind-3.9.0 austin(a)debian-home:~/wine-valgrind-known$ ps aux | grep event austin 18489 0.0 0.0 2244 540 pts/3 S+ 07:56 0:00 /bin/sh -c ../../../tools/runtest -q -P wine -T ../../.. -M mshtml.dll -p mshtml_test.exe.so events && touch events.ok austin(a)debian-home:~/wine-valgrind-known$ uname -a Linux debian-home 3.14-2-686-pae #1 SMP Debian 3.14.13-2 (2014-07-24) i686 GNU/Linux -- 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.

2 9

[Bug 36315] New: valgrind shows several leaks in qedit/tests/mediadet.c
by wine-bugs＠winehq.org Aug. 28, 2026

Aug. 28, 2026

https://bugs.winehq.org/show_bug.cgi?id=36315 Bug ID: 36315 Summary: valgrind shows several leaks in qedit/tests/mediadet.c Product: Wine Version: 1.7.18 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 Created attachment 48402 --> https://bugs.winehq.org/attachment.cgi?id=48402 valgrind log ==31827== 28 bytes in 1 blocks are possibly lost in loss record 239 of 877 ==31827== at 0x7BC4C735: notify_alloc (heap.c:255) ==31827== by 0x7BC50F79: RtlAllocateHeap (heap.c:1716) ==31827== by 0x4B5B262: heap_alloc_zero (typelib.c:1662) ==31827== by 0x4B5DEA1: MSFT_ReadAllRefs (typelib.c:2902) ==31827== by 0x4B6014C: ITypeLib2_Constructor_MSFT (typelib.c:3716) ==31827== by 0x4B5F3B8: TLB_ReadTypeLib (typelib.c:3460) ==31827== by 0x4B576DC: LoadTypeLibEx (typelib.c:478) ==31827== by 0x4B57618: LoadTypeLib (typelib.c:454) ==31827== by 0x4B5786A: LoadRegTypeLib (typelib.c:537) ==31827== by 0x6073AD3: ??? ==31827== by 0x607A475: ??? ==31827== by 0x600A806: ??? ==31827== by 0x600AAC0: ??? ==31827== by 0x50A3E26: CoCreateInstance (unknwn.h:226) ==31827== by 0x5FADE44: SampleGrabber_create (samplegrabber.c:1304) ==31827== by 0x5FA741F: DSCF_CreateInstance (main.c:110) ==31827== by 0x50A3E26: CoCreateInstance (unknwn.h:226) ==31827== by 0x4956F1F: test_samplegrabber (mediadet.c:388) ==31827== by 0x4957979: func_mediadet (mediadet.c:475) ==31827== by 0x495877C: run_test (test.h:584) ==31827== ==31827== 32 bytes in 1 blocks are possibly lost in loss record 293 of 877 ==31827== at 0x7BC4C735: notify_alloc (heap.c:255) ==31827== by 0x7BC50F79: RtlAllocateHeap (heap.c:1716) ==31827== by 0x7BC39AE9: RtlInitializeCriticalSectionEx (critsection.c:326) ==31827== by 0x7B876B51: InitializeCriticalSectionEx (sync.c:356) ==31827== by 0x7B876AD0: InitializeCriticalSection (sync.c:313) ==31827== by 0x6074935: ??? ==31827== by 0x6011AC3: ??? ==31827== by 0x5FE5C00: ??? ==31827== by 0x600AAC0: ??? ==31827== by 0x50A3E26: CoCreateInstance (unknwn.h:226) ==31827== by 0x5FA8D03: GetSplitter (mediadet.c:435) ==31827== by 0x5FA9282: MediaDet_put_Filename (mediadet.c:513) ==31827== by 0x4955998: test_mediadet (qedit.h:598) ==31827== by 0x4957974: func_mediadet (mediadet.c:474) ==31827== by 0x495877C: run_test (test.h:584) ==31827== by 0x4958B6A: main (test.h:654) ==31827== ==4134== 66 bytes in 1 blocks are definitely lost in loss record 456 of 929 ==4134== at 0x7BC4C735: notify_alloc (heap.c:255) ==4134== by 0x7BC50F79: RtlAllocateHeap (heap.c:1716) ==4134== by 0x52C2635: IMalloc_fnAlloc (ifs.c:186) ==4134== by 0x52C2F50: CoTaskMemAlloc (objidl.h:1236) ==4134== by 0x6345811: ??? ==4134== by 0x634F193: ??? ==4134== by 0x630023B: MediaDet_put_Filename (strmif.h:6469) ==4134== by 0x4A79998: test_mediadet (qedit.h:598) ==4134== by 0x4A7B974: func_mediadet (mediadet.c:474) ==4134== by 0x4A7C77C: run_test (test.h:584) ==4134== by 0x4A7CB6A: main (test.h:654) ==4134== etc. -- 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.

2 3