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

[Bug 36624] New: valgrind shows uninitialized memory in kernel32/tests/console.c
by wine-bugs＠winehq.org Aug. 28, 2026

Aug. 28, 2026

https://bugs.winehq.org/show_bug.cgi?id=36624 Bug ID: 36624 Summary: valgrind shows uninitialized memory in kernel32/tests/console.c Product: Wine Version: 1.7.19 Hardware: x86 OS: Linux Status: NEW Keywords: download, source, testcase Severity: normal Priority: P2 Component: kernel32 Assignee: wine-bugs(a)winehq.org Reporter: austinenglish(a)gmail.com An old valgrind warning that I don't for.. ==18074== Syscall param writev(vector[...]) points to uninitialised byte(s) ==18074== at 0x4E952886: writev (in /usr/lib/libc-2.18.so) ==18074== by 0x7BC7FE6F: send_request (server.c:213) ==18074== by 0x7BC80001: wine_server_call (server.c:294) ==18074== by 0x7B82E0ED: wine_server_call_err (server.h:61) ==18074== by 0x7B82F344: WriteConsoleInputW (console.c:533) ==18074== by 0x4647B58: WCUSER_GenerateMouseInputRecord (user.c:1092) ==18074== by 0x4648005: WCUSER_Proc (user.c:1160) ==18074== by 0x535C5C1: ??? (winproc.c:173) ==18074== by 0x535C736: call_window_proc (winproc.c:244) ==18074== by 0x535E8CF: WINPROC_call_window (winproc.c:900) ==18074== by 0x531FC04: DispatchMessageW (message.c:4019) ==18074== by 0x4648BDF: WCUSER_MainLoop (user.c:1387) ==18074== by 0x464BDA6: WinMain (wineconsole.c:854) ==18074== by 0x464C09F: main (exe_main.c:49) ==18074== Address 0x4d0f74e is on thread 1's stack ==18074== Uninitialised value was created by a stack allocation ==18074== at 0x4647A54: WCUSER_GenerateMouseInputRecord (user.c:1071) ==18074== from http://www.winehq.org/pipermail/wine-devel/2008-November/070539.html: the issue in fixing WCUSER_GenerateMouseInputRecord() is that we'll still get the same warning in valgrind from a partly initialized INPUT_RECORD from any caller to WriteConsoleInput (and the code in wineconsole is perfectly correct as it only assigns the fields it needs for a MouseEvent) the cleanest fix should be in WriteConsoleInput not to pass the undefined parts to wineserver (or to set them to zero) -- 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 36509] New: valgrind shows a potential leak in mscoree/tests/debugging.c
by wine-bugs＠winehq.org Aug. 28, 2026

Aug. 28, 2026

https://bugs.winehq.org/show_bug.cgi?id=36509 Bug ID: 36509 Summary: valgrind shows a potential leak in mscoree/tests/debugging.c Product: Wine Version: 1.7.19 Hardware: x86 OS: Linux Status: NEW Keywords: download, source, testcase Severity: normal Priority: P2 Component: mscoree Assignee: wine-bugs(a)winehq.org Reporter: austinenglish(a)gmail.com ../../../tools/runtest -q -P wine -T ../../.. -M mscoree.dll -p mscoree_test.exe.so debugging && touch debugging.ok preloader: Warning: failed to reserve range 00110000-68000000 preloader: Warning: failed to reserve range 7f000000-82000000 /bin/sh: /usr/bin/egrep: No such file or directory ==9100== Find PDB file: /tmp/valgrind_petmp9100_2afae468 is empty ==9100== Warning: Missing or un-stat-able /home/austin/.wine-valgrind/drive_c/windows/mono/mono-2.0/bin/libmono-2.0-x86.pdb fixme:mscoree:CorDebug_Initialize stub 0x4aa1808 ==9100== 52 bytes in 1 blocks are possibly lost in loss record 296 of 646 ==9100== at 0x7BC4C6DF: notify_alloc (heap.c:255) ==9100== by 0x7BC50F23: RtlAllocateHeap (heap.c:1716) ==9100== by 0x62F2004: ??? ==9100== by 0x62F4544: ??? ==9100== by 0x62F4F5D: ??? ==9100== by 0x62F9A9F: ??? ==9100== by 0x4CA2FF1: test_createDebugger (debugging.c:450) ==9100== by 0x4CA3237: func_debugging (debugging.c:488) ==9100== by 0x4CA76F6: run_test (test.h:584) ==9100== by 0x4CA7AE5: main (test.h:654) ==9100== -- 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 56848] New: Crashes when entering certain screens.
by WineHQ Bugzilla Aug. 28, 2026

Aug. 28, 2026

https://bugs.winehq.org/show_bug.cgi?id=56848 Bug ID: 56848 Summary: Crashes when entering certain screens. Product: Wine Version: 6.0.3 Hardware: x86-64 OS: Linux Status: UNCONFIRMED Severity: critical Priority: P2 Component: -unknown Assignee: wine-bugs(a)winehq.org Reporter: alexis.auriac(a)gmail.com Distribution: --- Created attachment 76654 --> https://bugs.winehq.org/attachment.cgi?id=76654 backtrace I was playing dofus (https://www.dofus.com/en) running it with the official app image, the game keeps crashing when entering certain areas or screens. An error window redirected me here. -- 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 36657] New: valgrind shows uninitialized memory use in d3d9/tests/visual.c
by wine-bugs＠winehq.org Aug. 28, 2026

Aug. 28, 2026

https://bugs.winehq.org/show_bug.cgi?id=36657 Bug ID: 36657 Summary: valgrind shows uninitialized memory use in d3d9/tests/visual.c Product: Wine Version: 1.7.19 Hardware: x86 OS: Linux Status: NEW Keywords: download, source, testcase, valgrind Severity: normal Priority: P2 Component: directx-d3d Assignee: wine-bugs(a)winehq.org Reporter: austinenglish(a)gmail.com ==9511== Conditional jump or move depends on uninitialised value(s) ==9511== at 0x764645F: ??? (in /usr/lib32/libnvidia-glcore.so.337.25) ==9511== by 0x4F542C8: shader_glsl_load_constants (glsl_shader.c:854) ==9511== by 0x4F24EED: context_apply_draw_state (context.c:3003) ==9511== by 0x4F4E196: draw_primitive (drawprim.c:664) ==9511== by 0x4F25621: wined3d_cs_exec_draw (cs.c:291) ==9511== by 0x4F269CF: wined3d_cs_st_submit (cs.c:893) ==9511== by 0x4F2568E: wined3d_cs_emit_draw (cs.c:308) ==9511== by 0x4F34F83: wined3d_device_draw_primitive (device.c:3265) ==9511== by 0x4EB1215: d3d9_device_DrawPrimitiveUP (device.c:2206) ==9511== by 0x4D12CBD: vpos_register_test (visual.c:9470) ==9511== by 0x4D3C95A: func_visual (visual.c:16632) ==9511== by 0x4D3D7CA: run_test (test.h:584) ==9511== by 0x4D3DBB9: main (test.h:654) ==9511== Uninitialised value was created by a stack allocation ==9511== at 0x4F53C00: shader_glsl_load_constants (glsl_shader.c:766) ==9511== OpenGL renderer string: GeForce GTX 460/PCIe/SSE2 OpenGL core profile version string: 4.3.0 NVIDIA 337.25 -- 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 36585] New: valgrind shows uninitialized memory use in user32/tests/edit.c
by wine-bugs＠winehq.org Aug. 28, 2026

Aug. 28, 2026

https://bugs.winehq.org/show_bug.cgi?id=36585 Bug ID: 36585 Summary: valgrind shows uninitialized memory use in user32/tests/edit.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 ../../../tools/runtest -q -P wine -T ../../.. -M user32.dll -p user32_test.exe.so edit && touch edit.ok preloader: Warning: failed to reserve range 00110000-68000000 preloader: Warning: failed to reserve range 7f000000-82000000 ==4864== Use of uninitialised value of size 4 ==4864== at 0x403DC86: mbstowcs_sbcs (mbtowc.c:88) ==4864== by 0x403E430: wine_cp_mbstowcs (mbtowc.c:278) ==4864== by 0x7B850B05: MultiByteToWideChar (locale.c:2031) ==4864== by 0x52560FB: EDIT_EM_SetHandle (edit.c:2821) ==4864== by 0x525C68C: EditWndProc_common (edit.c:4728) ==4864== by 0x52CDFCA: EditWndProcA (winproc.c:1077) ==4864== by 0x52CB4F5: ??? (winproc.c:173) ==4864== by 0x52CB66A: call_window_proc (winproc.c:244) ==4864== by 0x52CD8B9: WINPROC_call_window (winproc.c:909) ==4864== by 0x528A11C: call_window_proc (message.c:2223) ==4864== by 0x528CFBA: send_message (message.c:3260) ==4864== by 0x528D649: SendMessageA (message.c:3476) ==4864== by 0x4DD5C07: test_EM_GETHANDLE (edit.c:2700) ==4864== by 0x4DD61E2: func_edit (edit.c:2785) ==4864== by 0x4E93978: run_test (test.h:584) ==4864== by 0x4E93D67: main (test.h:654) ==4864== Uninitialised value was created by a client request ==4864== at 0x7BC4C4D6: mark_block_uninitialized (heap.c:209) ==4864== by 0x7BC4C641: initialize_block (heap.c:240) ==4864== by 0x7BC50F4D: RtlAllocateHeap (heap.c:1717) ==4864== by 0x7B8457FF: HeapAlloc (heap.c:271) ==4864== by 0x7B845B34: GlobalAlloc (heap.c:388) ==4864== by 0x7B846E63: LocalAlloc (heap.c:967) ==4864== by 0x4DD5AD5: test_EM_GETHANDLE (edit.c:2686) ==4864== by 0x4DD61E2: func_edit (edit.c:2785) ==4864== by 0x4E93978: run_test (test.h:584) ==4864== by 0x4E93D67: main (test.h:654) ==4864== -- 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 36582] New: valgrind shows a definite leak in user32/tests/dialog.c
by wine-bugs＠winehq.org Aug. 28, 2026

Aug. 28, 2026

https://bugs.winehq.org/show_bug.cgi?id=36582 Bug ID: 36582 Summary: valgrind shows a definite leak in user32/tests/dialog.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 ==26259== 28 bytes in 1 blocks are definitely lost in loss record 237 of 760 ==26259== at 0x7BC4C6DF: notify_alloc (heap.c:255) ==26259== by 0x7BC50F23: RtlAllocateHeap (heap.c:1716) ==26259== by 0x5154EB8: DIALOG_get_info (defdlg.c:342) ==26259== by 0x5154F60: DefDlgProcA (defdlg.c:369) ==26259== by 0x4CCFD69: test_WM_NEXTDLGCTL (dialog.c:606) ==26259== by 0x4CD3173: func_dialog (dialog.c:1434) ==26259== by 0x4DA3978: run_test (test.h:584) ==26259== by 0x4DA3D67: main (test.h:654) ==26259== -- 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 36417] New: valgrind shows a definite leak in ole32/tests/ole_server.c
by wine-bugs＠winehq.org Aug. 28, 2026

Aug. 28, 2026

https://bugs.winehq.org/show_bug.cgi?id=36417 Bug ID: 36417 Summary: valgrind shows a definite leak in ole32/tests/ole_server.c Product: Wine Version: 1.7.18 Hardware: x86 OS: Linux Status: NEW Keywords: download, source, testcase Severity: normal Priority: P2 Component: ole32 Assignee: wine-bugs(a)winehq.org Reporter: austinenglish(a)gmail.com ==24870== 512 bytes in 1 blocks are definitely lost in loss record 530 of 656 ==24870== at 0x7BC50A9B: RtlAllocateHeap (heap.c:255) ==24870== by 0x57A644F: list_window_children (win.c:318) ==24870== by 0x57AAFD2: WIN_ListChildren (win.c:3267) ==24870== by 0x57AB4DE: WIN_DestroyWindow (win.c:944) ==24870== by 0x57AB986: DestroyWindow (win.c:1884) ==24870== by 0x535F78C: apartment_release (compobj.c:1147) ==24870== by 0x53610D9: CoUninitialize (compobj.c:1960) ==24870== by 0x5361317: apartment_hostobject_thread (compobj.c:1522) ==24870== by 0x7BC80ABF: ??? (in /home/austin/wine-valgrind-known/dlls/ntdll/ntdll.dll.so) ==24870== by 0x7BC83A6C: call_thread_func (signal_i386.c:2630) ==24870== by 0x7BC80A9D: ??? (in /home/austin/wine-valgrind-known/dlls/ntdll/ntdll.dll.so) ==24870== by 0x7BC89E2B: start_thread (thread.c:428) ==24870== by 0x4EA7BD89: start_thread (in /usr/lib/libpthread-2.18.so) ==24870== by 0x4E95CA0D: clone (in /usr/lib/libc-2.18.so) ==24870== -- 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 36407] New: valgrind shows a potential leak in mmcndmgr/tests/mmcndmgr.c
by wine-bugs＠winehq.org Aug. 28, 2026

Aug. 28, 2026

https://bugs.winehq.org/show_bug.cgi?id=36407 Bug ID: 36407 Summary: valgrind shows a potential leak in mmcndmgr/tests/mmcndmgr.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 ../../../tools/runtest -q -P wine -T ../../.. -M mmcndmgr.dll -p mmcndmgr_test.exe.so mmcndmgr && touch mmcndmgr.ok preloader: Warning: failed to reserve range 00110000-68000000 preloader: Warning: failed to reserve range 7f000000-82000000 ==21436== 28 bytes in 1 blocks are possibly lost in loss record 171 of 596 ==21436== at 0x7BC50A9B: RtlAllocateHeap (heap.c:255) ==21436== by 0x4ED6BB8: apartment_getclassobject (compobj.c:526) ==21436== by 0x4ED9FC6: get_inproc_class_object (compobj.c:2894) ==21436== by 0x4EDCD2F: CoGetClassObject (compobj.c:3032) ==21436== by 0x4EDD4B7: CoCreateInstance (compobj.c:3197) ==21436== by 0x4D74D38: func_mmcndmgr (mmcndmgr.c:37) ==21436== by 0x4D75C14: run_test (test.h:584) ==21436== by 0x4D76002: main (test.h:654) ==21436== -- 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 59471] New: Building wine inside cygwin64 with gcc fails since b3d309157b
by WineHQ Bugzilla Aug. 28, 2026

Aug. 28, 2026

http://bugs.winehq.org/show_bug.cgi?id=59471 Bug ID: 59471 Summary: Building wine inside cygwin64 with gcc fails since b3d309157b Product: Wine Version: 11.3 Hardware: x86-64 OS: Linux Status: NEW Severity: normal Priority: P2 Component: build-env Assignee: wine-bugs(a)list.winehq.org Reporter: bernhardu(a)mailbox.org Distribution: --- Hello, I don't know if this is a supported configuration or used by others. This is cygwin64 with plain gcc, no llvm or mingw. I found this fails since b3d309157b with this error: ../configure 'CC=ccache gcc' --enable-win64 --without-mingw --disable-tests ... checking for msgfmt... no checking whether ccache gcc -m64 supports -target x86_64-windows -fuse-ld=lld -Wl,-subsystem:console -Wl,-WX --no-default-config... no checking whether ccache gcc -m64 supports -target x86_64-windows -fuse-ld=lld -Wl,-subsystem:console -Wl,-WX... no checking whether ccache gcc -m64 works... yes configure: error: x86_64 PE cross-compiler not found. This is an error since --enable-archs=x86_64 was requested. https://gitlab.winehq.org/bernhardu/wine/-/jobs/232744#L1013 (This pipeline is intended just to test cygwin on wine.) It looks like configure is taking some branch intended for clang, which fails with gcc. Below modification gets the old behavior back. --- a/configure +++ b/configure @@ -6564,7 +6564,7 @@ case $host_os in with_fontconfig=${with_fontconfig:-no} ;; mingw32*|cygwin*) - enable_archs=${enable_archs:-$HOST_ARCH} + #enable_archs=${enable_archs:-$HOST_ARCH} eval "${HOST_ARCH}_CC=\$CC" enable_loader=${enable_loader:-no} enable_server=${enable_server:-no} -- 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 36197] New: valgrind shows some possible leaks in mmdevapi/tests/render.c
by wine-bugs＠winehq.org Aug. 28, 2026

Aug. 28, 2026

https://bugs.winehq.org/show_bug.cgi?id=36197 Bug ID: 36197 Summary: valgrind shows some possible leaks in mmdevapi/tests/render.c Product: Wine Version: 1.7.17 Hardware: x86 OS: Linux Status: NEW Keywords: download, source, testcase Severity: normal Priority: P2 Component: mmdevapi Assignee: wine-bugs(a)winehq.org Reporter: austinenglish(a)gmail.com ==12595== 28 bytes in 1 blocks are possibly lost in loss record 115 of 538 ==12595== at 0x7BC4C6B7: notify_alloc (heap.c:255) ==12595== by 0x7BC50EFB: RtlAllocateHeap (heap.c:1716) ==12595== by 0x4FB483E: COMPOBJ_DllList_Add (compobj.c:526) ==12595== by 0x4FB6B7A: apartment_getclassobject (compobj.c:1335) ==12595== by 0x4FBA2C4: get_inproc_class_object (compobj.c:2894) ==12595== by 0x4FBA783: CoGetClassObject (compobj.c:3032) ==12595== by 0x4FBAD45: CoCreateInstance (compobj.c:3197) ==12595== by 0x4E66E6B: func_render (render.c:2238) ==12595== by 0x4E67EAF: run_test (test.h:584) ==12595== by 0x4E6829E: main (test.h:654) ==12595== ==12595== 76 bytes in 1 blocks are possibly lost in loss record 277 of 538 ==12595== at 0x7BC4C6B7: notify_alloc (heap.c:255) ==12595== by 0x7BC50EFB: RtlAllocateHeap (heap.c:1716) ==12595== by 0x652ED88: create_session (mmdevdrv.c:1038) ==12595== by 0x652EF3E: get_audio_session (mmdevdrv.c:1086) ==12595== by 0x6537F38: AudioSessionManager_GetSimpleAudioVolume (mmdevdrv.c:3734) ==12595== by 0x4E64D02: test_session_creation (audiopolicy.h:908) ==12595== by 0x4E6706D: func_render (render.c:2272) ==12595== by 0x4E67EAF: run_test (test.h:584) ==12595== by 0x4E6829E: main (test.h:654) ==12595== -- 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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