svn commit: r271182 - head/sys/kern
Adrian Chadd
adrian at freebsd.org
Fri Sep 5 21:15:17 UTC 2014
I'm building a vimage kernel now to at least compile test a fix.
Thanks,
-a
On 5 September 2014 12:59, Garrett Cooper <yaneurabeya at gmail.com> wrote:
>
>> On Sep 5, 2014, at 12:54, Mateusz Guzik <mjguzik at gmail.com> wrote:
>>
>>> On Fri, Sep 05, 2014 at 07:50:18PM +0000, Gleb Smirnoff wrote:
>>> Author: glebius
>>> Date: Fri Sep 5 19:50:18 2014
>>> New Revision: 271182
>>> URL: http://svnweb.freebsd.org/changeset/base/271182
>>>
>>> Log:
>>> Set vnet context before accessing V_socket_hhh[].
>>>
>>> Submitted by: "Hiroo Ono (小野寛生)" <hiroo.ono+freebsd gmail.com>
>>>
>>> Modified:
>>> head/sys/kern/uipc_socket.c
>>>
>>> Modified: head/sys/kern/uipc_socket.c
>>> ==============================================================================
>>> --- head/sys/kern/uipc_socket.c Fri Sep 5 19:00:30 2014 (r271181)
>>> +++ head/sys/kern/uipc_socket.c Fri Sep 5 19:50:18 2014 (r271182)
>>> @@ -3265,9 +3265,11 @@ filt_soread(struct knote *kn, long hint)
>>> return 1;
>>> }
>>>
>>> + CURVNET_SET(so->so_vnet);
>>> if (V_socket_hhh[HHOOK_FILT_SOREAD]->hhh_nhooks > 0)
>>> /* This hook returning non-zero indicates an event, not error */
>>> return (hhook_run_socket(so, NULL, HHOOK_FILT_SOREAD));
>>> + CURVNET_RESTORE();
>>
>> should not this be something like:
>> error = hhook_run_socket(so, NULL, HHOOK_FILT_SOREAD);
>> CURVNET_RESTORE();
>> return (error);
>> ?
>
> Probably :/..
>
>
>>> return (0);
>>> }
>>> @@ -3294,8 +3296,10 @@ filt_sowrite(struct knote *kn, long hint
>>> SOCKBUF_LOCK_ASSERT(&so->so_snd);
>>> kn->kn_data = sbspace(&so->so_snd);
>>>
>>> + CURVNET_SET(so->so_vnet);
>>> if (V_socket_hhh[HHOOK_FILT_SOWRITE]->hhh_nhooks > 0)
>>> hhook_run_socket(so, kn, HHOOK_FILT_SOWRITE);
>>> + CURVNET_RESTORE();
>>>
>>> if (so->so_snd.sb_state & SBS_CANTSENDMORE) {
>>> kn->kn_flags |= EV_EOF;
>>
>> --
>> Mateusz Guzik <mjguzik gmail.com>
>>
>
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