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ntdll: Use malloc() to allocate the buffer in server_get_unix_name(). 

Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Alexandre Julliard 2020-07-14 10:32:55 +02:00
parent 1037bf54bf
commit 9ec5be2cea
1 changed files with 7 additions and 8 deletions
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15
dlls/ntdll/unix/file.c
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@ -1777,8 +1777,7 @@ static NTSTATUS server_get_unix_name( HANDLE handle, char **unix_name )
for (;;)
{
name = RtlAllocateHeap( GetProcessHeap(), 0, size + 1 );
if (!name) return STATUS_NO_MEMORY;
if (!(name = malloc( size + 1 ))) return STATUS_NO_MEMORY;
SERVER_START_REQ( get_handle_unix_name )
{
@ -1795,7 +1794,7 @@ static NTSTATUS server_get_unix_name( HANDLE handle, char **unix_name )
*unix_name = name;
break;
}
RtlFreeHeap( GetProcessHeap(), 0, name );
free( name );
if (ret != STATUS_BUFFER_OVERFLOW) break;
}
return ret;
@ -1962,7 +1961,7 @@ static NTSTATUS get_mountmgr_fs_info( HANDLE handle, int fd, struct mountmgr_uni
if ((status = server_get_unix_name( handle, &unix_name ))) return status;
letter = find_dos_device( unix_name );
RtlFreeHeap( GetProcessHeap(), 0, unix_name );
free( unix_name );
if (letter == -1)
{
@ -3985,7 +3984,7 @@ NTSTATUS WINAPI NtQueryInformationFile( HANDLE handle, IO_STATUS_BLOCK *io,
info->AlignmentInformation.AlignmentRequirement = 1; /* FIXME */
io->u.Status = fill_name_info( unix_name, &info->NameInformation, &name_len );
RtlFreeHeap( GetProcessHeap(), 0, unix_name );
free( unix_name );
io->Information = FIELD_OFFSET(FILE_ALL_INFORMATION, NameInformation.FileName) + name_len;
}
}
@ -4037,7 +4036,7 @@ NTSTATUS WINAPI NtQueryInformationFile( HANDLE handle, IO_STATUS_BLOCK *io,
{
LONG name_len = len - FIELD_OFFSET(FILE_NAME_INFORMATION, FileName);
io->u.Status = fill_name_info( unix_name, info, &name_len );
RtlFreeHeap( GetProcessHeap(), 0, unix_name );
free( unix_name );
io->Information = FIELD_OFFSET(FILE_NAME_INFORMATION, FileName) + name_len;
}
}
@ -4072,7 +4071,7 @@ NTSTATUS WINAPI NtQueryInformationFile( HANDLE handle, IO_STATUS_BLOCK *io,
info->EndOfFile = std.EndOfFile;
info->FileAttributes = basic.FileAttributes;
}
RtlFreeHeap( GetProcessHeap(), 0, unix_name );
free( unix_name );
}
}
break;
@ -6395,7 +6394,7 @@ NTSTATUS WINAPI NtQueryObject( HANDLE handle, OBJECT_INFORMATION_CLASS info_clas
if (used_len) *used_len = sizeof(*p) + size;
free( nt_name );
}
RtlFreeHeap( GetProcessHeap(), 0, unix_name );
free( unix_name );
break;
}
else if (status != STATUS_OBJECT_TYPE_MISMATCH) break;