[lwip-devel] [patch #10410] Fix out-of-bound access when only last block is empty

[Samuel Thibault]

URL:
  <https://savannah.nongnu.org/patch/?10410>

                 Summary: Fix out-of-bound access when only last block is
empty
                   Group: lwIP - A Lightweight TCP/IP stack
               Submitter: sthibaul
               Submitted: dim. 05 nov. 2023 19:13:42
                Category: None
                Priority: 5 - Normal
                  Status: None
                 Privacy: Public
             Assigned to: None
        Originator Email: 
             Open/Closed: Open
         Discussion Lock: Any
         Planned Release: None


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Follow-up Comments:


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Date: dim. 05 nov. 2023 19:13:42     By: Samuel Thibault <sthibaul>
When an IPv6 does not contain an empty block except the last one, the current
code would check beyond the last block to see whether it is empty.

The attached patch fixes this out-of-bound access






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File Attachments:


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Date: dim. 05 nov. 2023 19:13:43  Name: empty_block_last  Size: 615o   By:
sthibaul

<http://savannah.nongnu.org/patch/download.php?file_id=55313>

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