* [PATCH] IB/core: Avoid crash on pkey enforcement failed in received MADs
@ 2017-10-31 15:33 Parav Pandit
[not found] ` <1509463998-49670-1-git-send-email-parav-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
0 siblings, 1 reply; 6+ messages in thread
From: Parav Pandit @ 2017-10-31 15:33 UTC (permalink / raw)
To: linux-rdma-u79uwXL29TY76Z2rM5mHXA
Cc: parav-VPRAkNaXOzVWk0Htik3J/w, danielj-VPRAkNaXOzVWk0Htik3J/w
Below kernel crash is observed when Pkey security enforcement fails on
received MADs. This issue is reported in [1].
ib_free_recv_mad() accesses the rmpp_list, whose initialization is
needed before accessing it.
When security enformcent fails on received MADs, MAD processing avoided
due to security checks failed.
OpenSM[3770]: SM port is down
kernel: BUG: unable to handle kernel NULL pointer dereference at 0000000000000008
kernel: IP: ib_free_recv_mad+0x44/0xa0 [ib_core]
kernel: PGD 0
kernel: P4D 0
kernel:
kernel: Oops: 0002 [#1] SMP
kernel: CPU: 0 PID: 2833 Comm: kworker/0:1H Tainted: P IO 4.13.4-1-pve #1
kernel: Hardware name: Dell XS23-TY3 /9CMP63, BIOS 1.71 09/17/2013
kernel: Workqueue: ib-comp-wq ib_cq_poll_work [ib_core]
kernel: task: ffffa069c6541600 task.stack: ffffb9a729054000
kernel: RIP: 0010:ib_free_recv_mad+0x44/0xa0 [ib_core]
kernel: RSP: 0018:ffffb9a729057d38 EFLAGS: 00010286
kernel: RAX: ffffa069cb138a48 RBX: ffffa069cb138a10 RCX: 0000000000000000
kernel: RDX: ffffb9a729057d38 RSI: 0000000000000000 RDI: ffffa069cb138a20
kernel: RBP: ffffb9a729057d60 R08: ffffa072d2d49800 R09: ffffa069cb138ae0
kernel: R10: ffffa069cb138ae0 R11: ffffa072b3994e00 R12: ffffb9a729057d38
kernel: R13: ffffa069d1c90000 R14: 0000000000000000 R15: ffffa069d1c90880
kernel: FS: 0000000000000000(0000) GS:ffffa069dba00000(0000) knlGS:0000000000000000
kernel: CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
kernel: CR2: 0000000000000008 CR3: 00000011f51f2000 CR4: 00000000000006f0
kernel: Call Trace:
kernel: ib_mad_recv_done+0x5cc/0xb50 [ib_core]
kernel: __ib_process_cq+0x5c/0xb0 [ib_core]
kernel: ib_cq_poll_work+0x20/0x60 [ib_core]
kernel: process_one_work+0x1e9/0x410
kernel: worker_thread+0x4b/0x410
kernel: kthread+0x109/0x140
kernel: ? process_one_work+0x410/0x410
kernel: ? kthread_create_on_node+0x70/0x70
kernel: ? SyS_exit_group+0x14/0x20
kernel: ret_from_fork+0x25/0x30
kernel: RIP: ib_free_recv_mad+0x44/0xa0 [ib_core] RSP: ffffb9a729057d38
kernel: CR2: 0000000000000008
[1] : https://www.spinics.net/lists/linux-rdma/msg56190.html
Fixes: 47a2b338fe63 ("IB/core: Enforce security on management datagrams")
Signed-off-by: Parav Pandit <parav-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
Reported-by: Chris Blake <chrisrblake93-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
Reviewed-by: Daniel Jurgens <danielj-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
Reviewed-by: Hal Rosenstock <hal-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
---
drivers/infiniband/core/mad.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/infiniband/core/mad.c b/drivers/infiniband/core/mad.c
index f8f53bb..cb91245 100644
--- a/drivers/infiniband/core/mad.c
+++ b/drivers/infiniband/core/mad.c
@@ -1974,14 +1974,15 @@ static void ib_mad_complete_recv(struct ib_mad_agent_private *mad_agent_priv,
unsigned long flags;
int ret;
+ INIT_LIST_HEAD(&mad_recv_wc->rmpp_list);
ret = ib_mad_enforce_security(mad_agent_priv,
mad_recv_wc->wc->pkey_index);
if (ret) {
ib_free_recv_mad(mad_recv_wc);
deref_mad_agent(mad_agent_priv);
+ return;
}
- INIT_LIST_HEAD(&mad_recv_wc->rmpp_list);
list_add(&mad_recv_wc->recv_buf.list, &mad_recv_wc->rmpp_list);
if (ib_mad_kernel_rmpp_agent(&mad_agent_priv->agent)) {
mad_recv_wc = ib_process_rmpp_recv_wc(mad_agent_priv,
--
1.8.3.1
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* RE: [PATCH] IB/core: Avoid crash on pkey enforcement failed in received MADs
[not found] ` <1509463998-49670-1-git-send-email-parav-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
@ 2017-11-03 15:46 ` Parav Pandit
[not found] ` <VI1PR0502MB3008E61E5EBFA422FAF52674D15D0-o1MPJYiShExKsLr+rGaxW8DSnupUy6xnnBOFsp37pqbUKgpGm//BTAC/G2K4zDHf@public.gmane.org>
0 siblings, 1 reply; 6+ messages in thread
From: Parav Pandit @ 2017-11-03 15:46 UTC (permalink / raw)
To: Parav Pandit, linux-rdma-u79uwXL29TY76Z2rM5mHXA; +Cc: Daniel Jurgens
Hi Leon/Doug,
> -----Original Message-----
> From: Parav Pandit [mailto:parav-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org]
> Sent: Tuesday, October 31, 2017 10:33 AM
> To: linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
> Cc: Parav Pandit <parav-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>; Daniel Jurgens
> <danielj-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
> Subject: [PATCH] IB/core: Avoid crash on pkey enforcement failed in received
> MADs
>
> Below kernel crash is observed when Pkey security enforcement fails on
> received MADs. This issue is reported in [1].
>
> ib_free_recv_mad() accesses the rmpp_list, whose initialization is needed before
> accessing it.
> When security enformcent fails on received MADs, MAD processing avoided due
> to security checks failed.
>
> OpenSM[3770]: SM port is down
> kernel: BUG: unable to handle kernel NULL pointer dereference at
> 0000000000000008
> kernel: IP: ib_free_recv_mad+0x44/0xa0 [ib_core]
> kernel: PGD 0
> kernel: P4D 0
> kernel:
> kernel: Oops: 0002 [#1] SMP
> kernel: CPU: 0 PID: 2833 Comm: kworker/0:1H Tainted: P IO 4.13.4-1-pve
> #1
> kernel: Hardware name: Dell XS23-TY3 /9CMP63, BIOS 1.71 09/17/2013
> kernel: Workqueue: ib-comp-wq ib_cq_poll_work [ib_core]
> kernel: task: ffffa069c6541600 task.stack: ffffb9a729054000
> kernel: RIP: 0010:ib_free_recv_mad+0x44/0xa0 [ib_core]
> kernel: RSP: 0018:ffffb9a729057d38 EFLAGS: 00010286
> kernel: RAX: ffffa069cb138a48 RBX: ffffa069cb138a10 RCX: 0000000000000000
> kernel: RDX: ffffb9a729057d38 RSI: 0000000000000000 RDI: ffffa069cb138a20
> kernel: RBP: ffffb9a729057d60 R08: ffffa072d2d49800 R09: ffffa069cb138ae0
> kernel: R10: ffffa069cb138ae0 R11: ffffa072b3994e00 R12: ffffb9a729057d38
> kernel: R13: ffffa069d1c90000 R14: 0000000000000000 R15: ffffa069d1c90880
> kernel: FS: 0000000000000000(0000) GS:ffffa069dba00000(0000)
> knlGS:0000000000000000
> kernel: CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
> kernel: CR2: 0000000000000008 CR3: 00000011f51f2000 CR4:
> 00000000000006f0
> kernel: Call Trace:
> kernel: ib_mad_recv_done+0x5cc/0xb50 [ib_core]
> kernel: __ib_process_cq+0x5c/0xb0 [ib_core]
> kernel: ib_cq_poll_work+0x20/0x60 [ib_core]
> kernel: process_one_work+0x1e9/0x410
> kernel: worker_thread+0x4b/0x410
> kernel: kthread+0x109/0x140
> kernel: ? process_one_work+0x410/0x410
> kernel: ? kthread_create_on_node+0x70/0x70
> kernel: ? SyS_exit_group+0x14/0x20
> kernel: ret_from_fork+0x25/0x30
> kernel: RIP: ib_free_recv_mad+0x44/0xa0 [ib_core] RSP: ffffb9a729057d38
> kernel: CR2: 0000000000000008
>
> [1] : https://www.spinics.net/lists/linux-rdma/msg56190.html
>
> Fixes: 47a2b338fe63 ("IB/core: Enforce security on management datagrams")
> Signed-off-by: Parav Pandit <parav-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
> Reported-by: Chris Blake <chrisrblake93-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
> Reviewed-by: Daniel Jurgens <danielj-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
> Reviewed-by: Hal Rosenstock <hal-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
> ---
I think this is needed for 4.13+. I missed to CC stable in this patch.
Shall I resend with Cc: or?
--
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^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: [PATCH] IB/core: Avoid crash on pkey enforcement failed in received MADs
[not found] ` <VI1PR0502MB3008E61E5EBFA422FAF52674D15D0-o1MPJYiShExKsLr+rGaxW8DSnupUy6xnnBOFsp37pqbUKgpGm//BTAC/G2K4zDHf@public.gmane.org>
@ 2017-11-03 20:21 ` Leon Romanovsky
[not found] ` <20171103202136.GJ16127-U/DQcQFIOTAAJjI8aNfphQ@public.gmane.org>
0 siblings, 1 reply; 6+ messages in thread
From: Leon Romanovsky @ 2017-11-03 20:21 UTC (permalink / raw)
To: Parav Pandit; +Cc: linux-rdma-u79uwXL29TY76Z2rM5mHXA, Daniel Jurgens
[-- Attachment #1: Type: text/plain, Size: 3699 bytes --]
On Fri, Nov 03, 2017 at 03:46:40PM +0000, Parav Pandit wrote:
> Hi Leon/Doug,
>
> > -----Original Message-----
> > From: Parav Pandit [mailto:parav-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org]
> > Sent: Tuesday, October 31, 2017 10:33 AM
> > To: linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
> > Cc: Parav Pandit <parav-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>; Daniel Jurgens
> > <danielj-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
> > Subject: [PATCH] IB/core: Avoid crash on pkey enforcement failed in received
> > MADs
> >
> > Below kernel crash is observed when Pkey security enforcement fails on
> > received MADs. This issue is reported in [1].
> >
> > ib_free_recv_mad() accesses the rmpp_list, whose initialization is needed before
> > accessing it.
> > When security enformcent fails on received MADs, MAD processing avoided due
> > to security checks failed.
> >
> > OpenSM[3770]: SM port is down
> > kernel: BUG: unable to handle kernel NULL pointer dereference at
> > 0000000000000008
> > kernel: IP: ib_free_recv_mad+0x44/0xa0 [ib_core]
> > kernel: PGD 0
> > kernel: P4D 0
> > kernel:
> > kernel: Oops: 0002 [#1] SMP
> > kernel: CPU: 0 PID: 2833 Comm: kworker/0:1H Tainted: P IO 4.13.4-1-pve
> > #1
> > kernel: Hardware name: Dell XS23-TY3 /9CMP63, BIOS 1.71 09/17/2013
> > kernel: Workqueue: ib-comp-wq ib_cq_poll_work [ib_core]
> > kernel: task: ffffa069c6541600 task.stack: ffffb9a729054000
> > kernel: RIP: 0010:ib_free_recv_mad+0x44/0xa0 [ib_core]
> > kernel: RSP: 0018:ffffb9a729057d38 EFLAGS: 00010286
> > kernel: RAX: ffffa069cb138a48 RBX: ffffa069cb138a10 RCX: 0000000000000000
> > kernel: RDX: ffffb9a729057d38 RSI: 0000000000000000 RDI: ffffa069cb138a20
> > kernel: RBP: ffffb9a729057d60 R08: ffffa072d2d49800 R09: ffffa069cb138ae0
> > kernel: R10: ffffa069cb138ae0 R11: ffffa072b3994e00 R12: ffffb9a729057d38
> > kernel: R13: ffffa069d1c90000 R14: 0000000000000000 R15: ffffa069d1c90880
> > kernel: FS: 0000000000000000(0000) GS:ffffa069dba00000(0000)
> > knlGS:0000000000000000
> > kernel: CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
> > kernel: CR2: 0000000000000008 CR3: 00000011f51f2000 CR4:
> > 00000000000006f0
> > kernel: Call Trace:
> > kernel: ib_mad_recv_done+0x5cc/0xb50 [ib_core]
> > kernel: __ib_process_cq+0x5c/0xb0 [ib_core]
> > kernel: ib_cq_poll_work+0x20/0x60 [ib_core]
> > kernel: process_one_work+0x1e9/0x410
> > kernel: worker_thread+0x4b/0x410
> > kernel: kthread+0x109/0x140
> > kernel: ? process_one_work+0x410/0x410
> > kernel: ? kthread_create_on_node+0x70/0x70
> > kernel: ? SyS_exit_group+0x14/0x20
> > kernel: ret_from_fork+0x25/0x30
> > kernel: RIP: ib_free_recv_mad+0x44/0xa0 [ib_core] RSP: ffffb9a729057d38
> > kernel: CR2: 0000000000000008
> >
> > [1] : https://www.spinics.net/lists/linux-rdma/msg56190.html
> >
> > Fixes: 47a2b338fe63 ("IB/core: Enforce security on management datagrams")
> > Signed-off-by: Parav Pandit <parav-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
> > Reported-by: Chris Blake <chrisrblake93-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
> > Reviewed-by: Daniel Jurgens <danielj-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
> > Reviewed-by: Hal Rosenstock <hal-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
> > ---
>
> I think this is needed for 4.13+. I missed to CC stable in this patch.
> Shall I resend with Cc: or?
I believe that Doug will add it.
By the way, did you find the root cause of why security check failed and
we entered into that path?
Thanks
> --
> To unsubscribe from this list: send the line "unsubscribe linux-rdma" in
> the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
> More majordomo info at http://vger.kernel.org/majordomo-info.html
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^ permalink raw reply [flat|nested] 6+ messages in thread
* RE: [PATCH] IB/core: Avoid crash on pkey enforcement failed in received MADs
[not found] ` <20171103202136.GJ16127-U/DQcQFIOTAAJjI8aNfphQ@public.gmane.org>
@ 2017-11-06 17:12 ` Parav Pandit
[not found] ` <VI1PR0502MB300832C02DA8288A6CD55BCDD1500-o1MPJYiShExKsLr+rGaxW8DSnupUy6xnnBOFsp37pqbUKgpGm//BTAC/G2K4zDHf@public.gmane.org>
2017-11-10 18:26 ` Doug Ledford
1 sibling, 1 reply; 6+ messages in thread
From: Parav Pandit @ 2017-11-06 17:12 UTC (permalink / raw)
To: Leon Romanovsky; +Cc: linux-rdma-u79uwXL29TY76Z2rM5mHXA, Daniel Jurgens
> -----Original Message-----
> From: Leon Romanovsky [mailto:leon-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org]
> Sent: Friday, November 03, 2017 3:22 PM
> To: Parav Pandit <parav-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
> Cc: linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org; Daniel Jurgens <danielj-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
> Subject: Re: [PATCH] IB/core: Avoid crash on pkey enforcement failed in
> received MADs
>
> > > Fixes: 47a2b338fe63 ("IB/core: Enforce security on management
> > > datagrams")
> > > Signed-off-by: Parav Pandit <parav-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
> > > Reported-by: Chris Blake <chrisrblake93-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
> > > Reviewed-by: Daniel Jurgens <danielj-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
> > > Reviewed-by: Hal Rosenstock <hal-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
> > > ---
> >
> > I think this is needed for 4.13+. I missed to CC stable in this patch.
> > Shall I resend with Cc: or?
>
> I believe that Doug will add it.
>
Ok. Thanks.
> By the way, did you find the root cause of why security check failed and we
> entered into that path?
>
I believe Dan replied in the other thread.
--
To unsubscribe from this list: send the line "unsubscribe linux-rdma" in
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^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: [PATCH] IB/core: Avoid crash on pkey enforcement failed in received MADs
[not found] ` <VI1PR0502MB300832C02DA8288A6CD55BCDD1500-o1MPJYiShExKsLr+rGaxW8DSnupUy6xnnBOFsp37pqbUKgpGm//BTAC/G2K4zDHf@public.gmane.org>
@ 2017-11-06 17:13 ` Daniel Jurgens
0 siblings, 0 replies; 6+ messages in thread
From: Daniel Jurgens @ 2017-11-06 17:13 UTC (permalink / raw)
To: Parav Pandit, Leon Romanovsky; +Cc: linux-rdma-u79uwXL29TY76Z2rM5mHXA
On 11/6/2017 11:12 AM, Parav Pandit wrote:
>
>> -----Original Message-----
>> From: Leon Romanovsky [mailto:leon-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org]
>> Sent: Friday, November 03, 2017 3:22 PM
>> To: Parav Pandit <parav-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
>> Cc: linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org; Daniel Jurgens <danielj-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
>> Subject: Re: [PATCH] IB/core: Avoid crash on pkey enforcement failed in
>> received MADs
>>
>>>> Fixes: 47a2b338fe63 ("IB/core: Enforce security on management
>>>> datagrams")
>>>> Signed-off-by: Parav Pandit <parav-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
>>>> Reported-by: Chris Blake <chrisrblake93-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
>>>> Reviewed-by: Daniel Jurgens <danielj-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
>>>> Reviewed-by: Hal Rosenstock <hal-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
>>>> ---
>>> I think this is needed for 4.13+. I missed to CC stable in this patch.
>>> Shall I resend with Cc: or?
>> I believe that Doug will add it.
>>
> Ok. Thanks.
>
>> By the way, did you find the root cause of why security check failed and we
>> entered into that path?
>>
> I believe Dan replied in the other thread.
>
I've been unable to reproduce the denial that caused entry into that path.
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^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: [PATCH] IB/core: Avoid crash on pkey enforcement failed in received MADs
[not found] ` <20171103202136.GJ16127-U/DQcQFIOTAAJjI8aNfphQ@public.gmane.org>
2017-11-06 17:12 ` Parav Pandit
@ 2017-11-10 18:26 ` Doug Ledford
1 sibling, 0 replies; 6+ messages in thread
From: Doug Ledford @ 2017-11-10 18:26 UTC (permalink / raw)
To: Leon Romanovsky, Parav Pandit
Cc: linux-rdma-u79uwXL29TY76Z2rM5mHXA, Daniel Jurgens
[-- Attachment #1: Type: text/plain, Size: 847 bytes --]
On Fri, 2017-11-03 at 22:21 +0200, Leon Romanovsky wrote:
> > > Fixes: 47a2b338fe63 ("IB/core: Enforce security on management datagrams")
> > > Signed-off-by: Parav Pandit <parav-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
> > > Reported-by: Chris Blake <chrisrblake93-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
> > > Reviewed-by: Daniel Jurgens <danielj-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
> > > Reviewed-by: Hal Rosenstock <hal-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
> > > ---
> >
> > I think this is needed for 4.13+. I missed to CC stable in this patch.
> > Shall I resend with Cc: or?
>
> I believe that Doug will add it.
I did. Applied, thanks.
--
Doug Ledford <dledford-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
GPG KeyID: B826A3330E572FDD
Key fingerprint = AE6B 1BDA 122B 23B4 265B 1274 B826 A333 0E57 2FDD
[-- Attachment #2: This is a digitally signed message part --]
[-- Type: application/pgp-signature, Size: 833 bytes --]
^ permalink raw reply [flat|nested] 6+ messages in thread
end of thread, other threads:[~2017-11-10 18:26 UTC | newest]
Thread overview: 6+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2017-10-31 15:33 [PATCH] IB/core: Avoid crash on pkey enforcement failed in received MADs Parav Pandit
[not found] ` <1509463998-49670-1-git-send-email-parav-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
2017-11-03 15:46 ` Parav Pandit
[not found] ` <VI1PR0502MB3008E61E5EBFA422FAF52674D15D0-o1MPJYiShExKsLr+rGaxW8DSnupUy6xnnBOFsp37pqbUKgpGm//BTAC/G2K4zDHf@public.gmane.org>
2017-11-03 20:21 ` Leon Romanovsky
[not found] ` <20171103202136.GJ16127-U/DQcQFIOTAAJjI8aNfphQ@public.gmane.org>
2017-11-06 17:12 ` Parav Pandit
[not found] ` <VI1PR0502MB300832C02DA8288A6CD55BCDD1500-o1MPJYiShExKsLr+rGaxW8DSnupUy6xnnBOFsp37pqbUKgpGm//BTAC/G2K4zDHf@public.gmane.org>
2017-11-06 17:13 ` Daniel Jurgens
2017-11-10 18:26 ` Doug Ledford
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