On 3/6/19 3:33 AM, Vasily Averin wrote:
> James, Martin,
> noone replied 2 weeks,
> could you please pick up this patch?
>
> According to Network guru sendpage must not be called for Slab objects.
> Unfortunately this happen in real life, for example when XFS send metadata
> via network block dev
Vasily,
> In "XFS over network block device" scenario XFS can create IO requests
> with slab-based XFS metadata. During processing such requests
> tcp_sendpage() can merge skb fragments with neighbour slab objects.
Applied to 5.1/scsi-queue, thanks!
--
Martin K. Petersen Oracle Linux Eng
James, Martin,
noone replied 2 weeks,
could you please pick up this patch?
According to Network guru sendpage must not be called for Slab objects.
Unfortunately this happen in real life, for example when XFS send metadata via
network block device.
Some of such cases -- drbd and ceph -- already ha
In "XFS over network block device" scenario XFS can create IO requests
with slab-based XFS metadata. During processing such requests
tcp_sendpage() can merge skb fragments with neighbour slab objects.
If receiving side is located on the same host tcp_recvmsg() can trigger
BUG_ON in hardening check
On Thu, Feb 21, 2019 at 06:23:17PM +0300, Vasily Averin wrote:
> In "XFS over network block device" scenario XFS can create IO requests
> with slab-based XFS metadata. During processing such requests
> tcp_sendpage() can merge skb fragments with neighbour slab objects.
>
> If receiving side is loc
Vasily,
> James, Martin, noone replied 2 weeks, could you please pick up this
> patch?
No objections from me wrt. to the change. However, I am awaiting a
review from the iSCSI maintainers Lee and Chris.
--
Martin K. Petersen Oracle Linux Engineering
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