Re: CVS commit: src/sys/netinet6

[Roy Marples <roy%marples.name@localhost>]

On 22/04/2020 20:32, Roy Marples wrote:
> Module Name:	src
> Committed By:	roy
> Date:		Wed Apr 22 19:32:11 UTC 2020
>
> Modified Files:
> 	src/sys/netinet6: nd6_nbr.c
>
> Log Message:
> inet6: nd6_na_input() now considers ln_state <= ND6_LLINFO_INCOMPLETE
>
> Otherwise if ln_state != ND6_LLINFO_INCOMPLETE and the is no lladdr
> and this message was solicited then ln_state is set to ND6_LLINFO_REACHABLE
> which could then cause a panic in nd6_resolve().
> If ln_state > ND6_LLINFO_INCOMPLETE then it's assumed we have a lladdr.
>
> Potentially this could have been triggered by the introduction of
> ND6_LLINFO_PURGE in nd6.c r1.143 but also by the re-introduction of
> ND6_LLINFO_INCOMPLETE in nd6.c r1.263.

I meant ND6_LLINFO_WAITDELETE, not ND6_LLINFO_INCOMPLETE here.

> Depending on the timing, it's technically possible to receive such
> a message after the llentry is created with ND6_LLINFO_NOSTATE.
>
>
> To generate a diff of this commit:
> cvs rdiff -u -r1.177 -r1.178 src/sys/netinet6/nd6_nbr.c
>
> Please note that diffs are not public domain; they are subject to the
> copyright notices on the relevant files.