Re: kern/52353: [netbsd-8] A crash in icmpv6 code (?)

[Kengo NAKAHARA <k-nakahara%iij.ad.jp@localhost>]

Hi,

On 2017/07/01 22:40, dmb%yenn.ulegend.net@localhost wrote:
> System: NetBSD yenn 8.0_BETA NetBSD 8.0_BETA (YENN) #6: Mon Jun 26 08:49:07 UTC 2017 builds@yenn:/var/obj/sys/arch/amd64/compile/YENN amd64

It seems you use other than GENERIC kernel config.Could you show your
kernel config?

> Architecture: x86_64
> Machine: amd64
>> Description:
> yenn# crash -M netbsd.3.core -N netbsd.3
> Crash version 8.0_BETA, image version 8.0_BETA.
> System panicked: in6_cksum: mbuf too short for IPv6 header
> Backtrace from time of crash is available.
> crash> bt
> _KERNEL_OPT_NARCNET() at 0
> ?() at fffffe80a11bcc00
> vpanic() at vpanic+0x149
> snprintf() at snprintf
> in6_cksum() at in6_cksum+0x1a2
> _icmp6_input() at _icmp6_input+0xb4
> wqinput_work() at wqinput_work+0x88
> workqueue_worker() at workqueue_worker+0xbc
> 
> yes, IPv6 is via gif(4), but _before_ the patch for MP-fy
>> How-To-Repeat:
> 	possibly ping the machine for some time (?) with IPv6 on a gif(4) (?)

Which do you use IPv6 over IPv6 or IPv6 over IPv4?


Thanks,

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Internet Initiative Japan Inc.

Device Engineering Section,
IoT Platform Development Department,
Network Division,
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Kengo NAKAHARA <k-nakahara%iij.ad.jp@localhost>