Page fault after destroying/reconfiguring GRE interface

[Andrey V. Elsukov]

On 04.10.2015 02:10, Julian Kornberger wrote:
> my machine (FreeBSD 10.2) crashes sometimes after I destroy or
> reconfigure a GRE interface. You find my crash dumps at:
> http://www.informatik.uni-bremen.de/~juliank/crash/
> 
> [...]
> #7  0xffffffff80d307f2 in calltrap ()
>     at /usr/src/sys/amd64/amd64/exception.S:236
> #8  0xffffffff81e125eb in in_gre_encapcheck (m=0xfffff8001ef81d00, off=20,
>     proto=47, arg=0xfffff800613f3000)
>     at /usr/src/sys/modules/if_gre/../../netinet/ip_gre.c:112
> #9  0xffffffff80a75142 in encap4_input (m=0xfffff8001ef81d00, off=20)
>     at /usr/src/sys/netinet/ip_encap.c:149
> #10 0xffffffff80a77f57 in ip_input (m=0xfffff8001ef81d00)
>     at /usr/src/sys/netinet/ip_input.c:734
> [...]
> 
> Any ideas?

Can you test this patch?

-- 
WBR, Andrey V. Elsukov
-------------- next part --------------
A non-text attachment was scrubbed...
Name: ip_encap.diff
Type: text/x-patch
Size: 1136 bytes
Desc: not available
URL: <http://lists.freebsd.org/pipermail/freebsd-net/attachments/20151004/72d1c157/attachment.bin>
-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 538 bytes
Desc: OpenPGP digital signature
URL: <http://lists.freebsd.org/pipermail/freebsd-net/attachments/20151004/72d1c157/attachment-0001.bin>