William Yo - 2023-01-19

We find some large zip files cannot be extract on 16.02 but can on 9.20.

If you use command to test this zip file will get header error.

# 7z t 1.zip 

7-Zip [64] 16.02 : Copyright (c) 1999-2016 Igor Pavlov : 2016-05-21
p7zip Version 16.02 (locale=zh_HK.UTF-8,Utf16=on,HugeFiles=on,64 bits,4 CPUs Intel(R) Core(TM) i5-7400 CPU @ 3.00GHz (906E9),ASM,AES-NI)

Scanning the drive for archives:
1 file, 6834330434 bytes (6518 MiB)

Testing archive: 1.zip

ERRORS:
Headers Error

--
Path = 1.zip
Type = zip
ERRORS:
Headers Error
Physical Size = 6834330434
64-bit = +



Archives with Errors: 1

Open Errors: 1

However, it works on 9.20 for testing, and can be successfully extracted actually.

# 7z t 1.zip                                                

Testing                                                                                    
Testing                                                                                    
Testing                                      
Testing                                      
Testing     
Testing     
Testing     
Testing     
Testing     
Testing     
Testing     
Testing     
Testing     
Testing     
Testing     
Testing     

Everything is Ok

Folders: 4
Files: 12
Size:       6834322478 
Compressed: 6834330434 

# 7z

7-Zip [64] 9.20  Copyright (c) 1999-2010 Igor Pavlov  2010-11-18
p7zip Version 9.20 (locale=en_US.utf8,Utf16=on,HugeFiles=on,4 CPUs)

Usage: 7z <command> [<switches>...] <archive_name> [<file_names>...]
       [<@listfiles...>]

I am sorry that the zip file is too large to be attached.