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Issue in AC1032 BLOCK_HEADER table record #1179

@michal-josef-spacek

Description

@michal-josef-spacek

File is from test data defined in #1028 (reply in thread)
Level0.dwg.gz

Related to #1177

Error:

< Next object: 137 Handleoff: 0x1 [UMC] Offset: 8649 [MC] @20460
==========================================
Object number: 137/89, Size: 70 [MS], Hdlsize: 0x9F [UMC] , Type: 49 [BOT], Address: 20464
Add table record BLOCK_HEADER [137] Decode table record BLOCK_HEADER
 bitsize: 401, hdl_dat: @50.1 - @70.0 (70)
 obj string stream +400: @50.0 (400) has_strings: 1
 @48.0 data_size: 278/0x116 [RS]
handle: 0.2.287 [H 5]
EED[0] size: 0 (end)
num_eed: 0
num_reactors: 0 [BL 0]
is_xdic_missing: 1 [B 0]
has_ds_data: 0 [B 0]
ownerhandle: (4.1.1) abs:1 [H 330]
--common_size: 30
name: "Level1" [TU 2]
is_xref_resolved: 0 [BS 0]
xref: (5.0.0) abs:0 [H 0]
=> flag 64 [BL 70]
anonymous: 0 [B 0]
hasattrs: 0 [B 0]
blkisxref: 1 [B 0]
xrefoverlaid: 0 [B 0]
xref_loaded: 0 [B 0]
num_owned: 0 [BL 0]
base_pt: (0, 0, 1.1186e-67) [3BD 10]
xref_pname: "Level1.dwg" [TU 1]
num_inserts: 14 [RC* 0]
description: "" [TU 4]
ERROR: bit_read_BL: unexpected 2-bit code: '11'
preview_size: 256 [BL 0]
ERROR: bit_read_TF buffer overflow at 30.1 + 256 > 70
preview: "(null)" [TF 256 310] object_map{287} = 137
 padding: 40/0 (6 bits)
crc: D072 [RSx]
 check_CRC 20460-20534 = 74: D072 == D072

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