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Re: kern/43185 (bpf_validate() uses BPF_RVAL() when it should use BPF_SRC())

On Apr 21, 2010, at 9:40 AM, wrote:

> Synopsis: bpf_validate() uses BPF_RVAL() when it should use BPF_SRC()
> State-Changed-From-To: open->closed
> State-Changed-By:
> State-Changed-When: Wed, 21 Apr 2010 16:40:32 +0000
> State-Changed-Why:
> fix applied, thanks. Good catch!

I can't take credit for it - the reason I just filed several bugs against 
various BPF implementations is that I'd filed bugs against them earlier, with a 
patch to add OpenBSD's additional checking, and had assumed the OpenBSD code 
was correct, so they all followed OpenBSD and picked up its bug (well, FreeBSD 
did it differently, and didn't pick up the bug).  The fixer of one of those 
bugs *did* notice, and I noticed their change.

> Did you report this to the
> libpcap/tcpdump maintainers?

Given that I'm one of the libpcap/tcpdump maintainers, I didn't have to. :-)  
I've checked the fix into its bpf_validate(), in both the main and 1.1 Git 

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