Re: OpenBSD 7.2 fw stack trace on Dell R740

Hi Stuart,

Am 25.09.23 um 19:08 schrieb Stuart Henderson:
> That might possibly be the one fixed by 7.2 errata 008, so if you don't
> already have that you at least want to syspatch.

That was my guess as well. However, the systems were patched up to 7.2
errata-016. I applied the remaining patches. So far the systems are running
stable. Are there any changes between the 7.2 and 7.3 releases that could
indicate a bug?

Many regards,

Joerg

> On 2023-09-25, Joerg Streckfuss <streckfuss@dfn-cert.de> wrote:
>> This is a cryptographically signed message in MIME format.
>>
>> --------------ms030306090501000403020005
>> Content-Type: text/plain; charset=UTF-8; format=flowed
>> Content-Transfer-Encoding: 7bit
>>
>>
>> Dear list,
>>
>> today two of our firewalls crashed. after i was able to bring the first firewall
>> back online, this one crashed again within a few minutes. this time i was able
>> to take a stack-trace from the console:
>>
>> <snip>
>> OpenBSD/amd64 (fw1) (tty00)
>>
>> login: uvm_fault(0xffffffff823237a0, 0x0, 0, 1) -> e
>> fatal page fault in supervisor mode
>> trap type 6 code 0 rip ffffffff81c38d68 cs 8 rflags 10246 cr2 0 cpl 0 rsp
>> ffff80002b853590
>> gsbase 0xffff80001d3dcff0 kgsbase 0x0
>> panic: trap type 6, code=0, pc=ffffffff81c38d68
>> Starting stack trace...
>> panic(ffffffff81f22fcf) at panic+0x12c
>> kerntrap(ffff80002b8534e0) at kerntrap+0x114
>> alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b
>> pf_state_export(fffffd80513f0bd4,fffffd877600a2a0) at pf_state_export+0x38
>> pfsync_sendout() at pfsync_sendout+0x5e4
>> pfsync_update_state(fffffd887b0ef6c0) at pfsync_update_state+0x15b
>> pf_test(18,1,ffff800002eed000,ffff80002b853a08) at pf_test+0x117a
>> ip6_input_if(ffff80002b853a08,ffff80002b853a14,29,0,ffff800002eed000) at
>> ip6_input_if+0x1ae
>> ipv6_input(ffff800002eed000,fffffd8050cb7c00) at ipv6_input+0x39
>> ether_input(ffff800002eed000,fffffd8050cb7c00) at ether_input+0x3b1
>> carp_input(ffff80000193d050,fffffd8050cb7c00,5e000102) at carp_input+0x196
>> ether_input(ffff80000193d050,fffffd8050cb7c00) at ether_input+0x1d9
>> if_input_process(ffff80000193d050,ffff80002b853be8) at if_input_process+0x6f
>> ifiq_process(ffff80000193aa00) at ifiq_process+0x69
>> taskq_thread(ffff800000037180) at taskq_thread+0x100
>> end trace frame: 0x0, count: 242
>> End of stack trace.
>> <snap>
>>
>> Both Systems are OpenBSD 7.2 running on Dell PowerEdge R740
>>
>> Is anyone able to interpret the stack trace?
>>
>> Regards,
>>
>> Joerg
>>
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>> --------------ms030306090501000403020005--
>>
>>
>
>

--
Dipl.-Ing. (FH) Joerg Streckfuss M.Sc. (Senior IT-Specialist)

DFN-CERT Services GmbH, https://www.dfn-cert.de/, Phone +49 40 808077-555
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