[Bug 43313] New: valgrind shows several uninitialized writes in dlls/ dinput/tests/device.c

wine-bugs at winehq.org wine-bugs at winehq.org
Mon Jul 10 18:41:56 CDT 2017 

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 at winehq.org
          Reporter: austinenglish at gmail.com
                CC: 00cpxxx at 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

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