buglwIP - A Lightweight TCP/IP stack - Bugs: bug #55163, ICMPv6 Option - Recursive DNS...

 
 

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bug #55163: ICMPv6 Option - Recursive DNS Server -> fails to set multiple dns addresses correctly

Submitter:  Travis Barney <travisbarney>
Submitted:  Tue 04 Dec 2018 11:23:54 PM UTC
   
 
Category:  IPv6 Severity:  3 - Normal
Item Group:  Faulty Behaviour Status:  Fixed
Privacy:  Public Assigned to:  goldsimon
Open/Closed:  Closed Planned Release:  None
lwIP version:  2.1.1

Wed 05 Dec 2018 06:57:19 PM UTC, comment #1: 

Fixed, thanks for reporting.

Simon Goldschmidt <goldsimon>
Group administrator
Tue 04 Dec 2018 11:23:54 PM UTC, original submission:  

The ICMPv6 Option Recursive DNS Server fails to set the second dns correctly.  The first DNS address found is the only one that gets set.  This is due to a failure to increment the copy_offset.

nd6.c -> nd6_input -> case ND6_OPTION_TYPE_RDNSS

The for loop does not increment copy_offset.  The copy_offset should be incremented by 16.

Travis Barney <travisbarney>

 

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    Follow 3 latest changes.

    Date Changed by Updated Field Previous Value => Replaced by
    2018-12-05 goldsimon StatusNone Fixed
        Assigned toNone goldsimon
        Open/ClosedOpen Closed

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