Re: [dpdk-dev] [PATCH] eventdev/eth_tx: fix queue_del function

[David Marchand <david.marchand@redhat.com>]

On Tue, Nov 9, 2021 at 10:24 AM Jayatheerthan, Jay
<jay.jayatheerthan@intel.com> wrote:
> > -----Original Message-----
> > From: Naga Harish K, S V <s.v.naga.harish.k@intel.com>
> > Sent: Tuesday, November 9, 2021 1:04 PM
> > To: jerinj@marvell.com; Jayatheerthan, Jay <jay.jayatheerthan@intel.com>
> > Cc: dev@dpdk.org; stable@dpdk.org
> > Subject: [PATCH] eventdev/eth_tx: fix queue_del function
> >
> > This patch fixes heap-use-after-free reported by ASAN,
> > please reference https://bugs.dpdk.org/show_bug.cgi?id=869
> >
> > The application can use the queue_id as `-1` to delete all
> > the queues of the eth_device that are added to tx_adapter
> > instance.
> > In above case, the queue_del api is trying to use number of
> > queues from adapter level instead of eth_device queues.
> > When there are queues added from multiple eth devices,
> > it will result in heap-use-after-free as reported by ASAN.
> >
> > This patch fixes the queue_del api to use correct number of
> > queues.
> >
> > Bugzilla ID: 869
> > Fixes: a3bbf2e09756 ("eventdev: add eth Tx adapter implementation")
> > Cc: stable@dpdk.org
> >
> > Signed-off-by: Naga Harish K S V <s.v.naga.harish.k@intel.com>

RTE>>event_eth_tx_adapter_autotest
 + ------------------------------------------------------- +
 + Test Suite : tx event eth adapter test suite
Port 0 MAC: 00 00 00 00 00 00
Port 1 MAC: 00 00 00 00 00 00
Failed to find a valid event device, testing with event_sw0 device
 + ------------------------------------------------------- +
 + TestCase [ 0] : tx_adapter_create_free succeeded
Invalid port_id=2
EVENTDEV: txa_service_adapter_free() line 743: 1 Tx queues not deleted
 + TestCase [ 1] : tx_adapter_queue_add_del succeeded
 + TestCase [ 2] : tx_adapter_start_stop succeeded
 + TestCase [ 3] : tx_adapter_service succeeded
 + TestCase [ 4] : tx_adapter_dynamic_device succeeded
 + ------------------------------------------------------- +
 + Test Suite Summary : tx event eth adapter test suite
 + ------------------------------------------------------- +
 + Tests Total :        5
 + Tests Skipped :      0
 + Tests Executed :     5
 + Tests Unsupported:   0
 + Tests Passed :       5
 + Tests Failed :       0
 + ------------------------------------------------------- +
Test OK

And no ASan splat.
Tested-by: David Marchand <david.marchand@redhat.com>

Thanks.


-- 
David Marchand