[Bug 46348] New: rpcrt4/tests/ server.c shows uninitialized memory use in union_tests()

https://bugs.winehq.org/show_bug.cgi?id=46348

            Bug ID: 46348
           Summary: rpcrt4/tests/server.c shows uninitialized memory use
                    in union_tests()
           Product: Wine
           Version: 4.0-rc3
          Hardware: x86
                OS: Linux
            Status: NEW
          Keywords: download, source, testcase, valgrind
          Severity: normal
          Priority: P2
         Component: rpc
          Assignee: wine-bugs(a)winehq.org
          Reporter: austinenglish(a)gmail.com
      Distribution: Gentoo

../../../tools/runtest -q -P wine -T ../../.. -M rpcrt4.dll -p
rpcrt4_test.exe.so server && touch server.ok
==19697== Syscall param sendmsg(msg.msg_iov[0]) points to uninitialised byte(s)
==19697==    at 0x425091F: sendmsg (sendmsg.c:30)
==19697==    by 0x56081C4: WS2_send (socket.c:2628)
==19697==    by 0x56084BB: WS2_sendto (socket.c:5606)
==19697==    by 0x560EBC5: WS_send (socket.c:5521)
==19697==    by 0x552C19C: rpcrt4_conn_tcp_write (rpc_transport.c:1424)
==19697==    by 0x551F74C: rpcrt4_conn_write (rpc_binding.h:197)
==19697==    by 0x5520FD0: RPCRT4_SendWithAuth (rpc_message.c:850)
==19697==    by 0x5521CE2: RPCRT4_Send (rpc_message.c:1249)
==19697==    by 0x5522C8E: I_RpcSend (rpc_message.c:1813)
==19697==    by 0x5522F6E: I_RpcSendReceive (rpc_message.c:1926)
==19697==    by 0x54FFBFF: NdrSendReceive (ndr_clientserver.c:215)
==19697==    by 0x4A6B3E6: ip_test (server_c.c:5576)
==19697==    by 0x4A59939: union_tests (server.c:1120)
==19697==    by 0x4A5E4EB: run_tests (server.c:1613)
==19697==    by 0x4A5E78F: client (server.c:1674)
==19697==    by 0x4A60399: func_server (server.c:2229)
==19697==    by 0x4A7AFD8: run_test (test.h:617)
==19697==    by 0x4A7BA16: main (test.h:701)
==19697==  Address 0x492d4c8 is 24 bytes inside a recently re-allocated block
of size 100 alloc'd
==19697==    at 0x7BC483AD: notify_alloc (heap.c:260)
==19697==    by 0x7BC4B8D1: RtlAllocateHeap (heap.c:1726)
==19697==    by 0x5521086: RPCRT4_SendWithAuth (rpc_message.c:809)
==19697==    by 0x5521CE2: RPCRT4_Send (rpc_message.c:1249)
==19697==    by 0x5522C8E: I_RpcSend (rpc_message.c:1813)
==19697==    by 0x5522F6E: I_RpcSendReceive (rpc_message.c:1926)
==19697==    by 0x54FFBFF: NdrSendReceive (ndr_clientserver.c:215)
==19697==    by 0x4A6B3E6: ip_test (server_c.c:5576)
==19697==    by 0x4A59939: union_tests (server.c:1120)
==19697==    by 0x4A5E4EB: run_tests (server.c:1613)
==19697==    by 0x4A5E78F: client (server.c:1674)
==19697==    by 0x4A60399: func_server (server.c:2229)
==19697==    by 0x4A7AFD8: run_test (test.h:617)
==19697==    by 0x4A7BA16: main (test.h:701)
==19697==  Uninitialised value was created by a stack allocation
==19697==    at 0x4A595F7: union_tests (server.c:1069)
==19697==

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[Bug 46348] rpcrt4/tests/ server.c shows uninitialized memory use in union_tests()

https://bugs.winehq.org/show_bug.cgi?id=46348

--- Comment #1 from Austin English <austinenglish(a)gmail.com> ---
Second one in the same test:
==19714== Syscall param writev(vector[...]) points to uninitialised byte(s)
==19714==    at 0x4356813: writev (writev.c:26)
==19714==    by 0x7BC75457: send_request (server.c:228)
==19714==    by 0x7BC76158: server_call_unlocked (server.c:288)
==19714==    by 0x7BC761AD: wine_server_call (server.c:321)
==19714==    by 0x7BC419E5: server_write_file (file.c:621)
==19714==    by 0x7BC43FCB: NtWriteFile (file.c:1229)
==19714==    by 0x552D016: rpcrt4_conn_np_write (rpc_transport.c:416)
==19714==    by 0x551F74C: rpcrt4_conn_write (rpc_binding.h:197)
==19714==    by 0x5520FD0: RPCRT4_SendWithAuth (rpc_message.c:850)
==19714==    by 0x5521CE2: RPCRT4_Send (rpc_message.c:1249)
==19714==    by 0x5522C8E: I_RpcSend (rpc_message.c:1813)
==19714==    by 0x5522F6E: I_RpcSendReceive (rpc_message.c:1926)
==19714==    by 0x54FFBFF: NdrSendReceive (ndr_clientserver.c:215)
==19714==    by 0x4A6B3E6: ip_test (server_c.c:5576)
==19714==    by 0x4A59939: union_tests (server.c:1120)
==19714==    by 0x4A5E4EB: run_tests (server.c:1613)
==19714==    by 0x4A5E9C4: client (server.c:1698)
==19714==    by 0x4A60399: func_server (server.c:2229)
==19714==    by 0x4A7AFD8: run_test (test.h:617)
==19714==    by 0x4A7BA16: main (test.h:701)
==19714==  Address 0x4928c10 is 24 bytes inside a recently re-allocated block
of size 100 alloc'd
==19714==    at 0x7BC483AD: notify_alloc (heap.c:260)
==19714==    by 0x7BC4B8D1: RtlAllocateHeap (heap.c:1726)
==19714==    by 0x5521086: RPCRT4_SendWithAuth (rpc_message.c:809)
==19714==    by 0x5521CE2: RPCRT4_Send (rpc_message.c:1249)
==19714==    by 0x5522C8E: I_RpcSend (rpc_message.c:1813)
==19714==    by 0x5522F6E: I_RpcSendReceive (rpc_message.c:1926)
==19714==    by 0x54FFBFF: NdrSendReceive (ndr_clientserver.c:215)
==19714==    by 0x4A6B3E6: ip_test (server_c.c:5576)
==19714==    by 0x4A59939: union_tests (server.c:1120)
==19714==    by 0x4A5E4EB: run_tests (server.c:1613)
==19714==    by 0x4A5E9C4: client (server.c:1698)
==19714==    by 0x4A60399: func_server (server.c:2229)
==19714==    by 0x4A7AFD8: run_test (test.h:617)
==19714==    by 0x4A7BA16: main (test.h:701)
==19714==  Uninitialised value was created by a stack allocation
==19714==    at 0x4A595F7: union_tests (server.c:1069)
==19714==

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[Bug 46348] rpcrt4/tests/server.c shows uninitialized memory use in union_tests()

[WineHQ Bugzilla]

http://bugs.winehq.org/show_bug.cgi?id=46348

Austin English <[e-mail]> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         Resolution|---                         |ABANDONED
             Status|NEW                         |RESOLVED

--- Comment #2 from Austin English <[e-mail]> ---
Modern wine doesn't play well with valgrind. Marking valgrind bugs as
abandoned.

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[Bug 46348] rpcrt4/tests/server.c shows uninitialized memory use in union_tests()

[WineHQ Bugzilla]

http://bugs.winehq.org/show_bug.cgi?id=46348

Austin English <[e-mail]> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|RESOLVED                    |CLOSED

--- Comment #3 from Austin English <[e-mail]> ---
Closing.

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