This bug was fixed in the package linux-bluefield - 5.4.0-1060.66
---------------
linux-bluefield (5.4.0-1060.66) focal; urgency=medium
* focal/linux-bluefield: 5.4.0-1060.66 -proposed tracker (LP:
#2008364)
* gpio: Restrict usage of GPIO chip irq members before initialization
(LP: #2007581)
- gpio: Restrict usage of GPIO chip irq members before initialization
- gpio: Request interrupts after IRQ is initialized
* netfilter: flowtable: add counter support in HW offload (LP: #2008136)
- netfilter: conntrack: add nf_ct_acct_add()
- netfilter: flowtable: add counter support in HW offload
[ Ubuntu: 5.4.0-145.162 ]
* focal/linux: 5.4.0-145.162 -proposed tracker (LP: #2008389)
* [SRU]Update ice driver to support E823 devices (LP: #1986717)
- ice: Add device ids for E822 devices
- ice: add support for E823 devices
* btrfs/154: rename fails with EOVERFLOW when calculating item size during
item key collision (LP: #2004132)
- btrfs: correctly calculate item size used when item key collision happens
* rtcpie in timers from ubuntu_kernel_selftests randomly failing
(LP: #1814234)
- SAUCE: selftest: rtcpie: Force passing unreliable subtest
* [UBUNTU 20.04] KVM: s390: pv: don't allow userspace to set the clock under
PV - kernel part (LP: #1999882)
- KVM: s390x: fix SCK locking
- KVM: s390: pv: don't allow userspace to set the clock under PV
* CVE-2021-3669
- ipc: replace costly bailout check in sysvipc_find_ipc()
* net:fcnal-test.sh 'nettest' command not found on F/K (LP: #2006391)
- selftests/net: Find nettest in current directory
* xfs: Preallocated ioend transactions cause deadlock due to log buffer
exhaustion (LP: #2007219)
- xfs: drop submit side trans alloc for append ioends
* CVE-2022-4382
- USB: gadgetfs: Fix race between mounting and unmounting
* CVE-2022-2196
- KVM: VMX: Execute IBPB on emulated VM-exit when guest has IBRS
* ubuntu_kernel_selftests: net:udpgso_bench.sh failed (LP: #1951447)
- selftests: net: udpgso_bench: Fix racing bug between the rx/tx programs
* net:fcnal-test.sh didn't return a non-zero value even with some sub-tests
failed (LP: #2006692)
- selftests: net/fcnal-test.sh: add exit code
* Fix selftests/ftracetests/Meta-selftests in Focal (LP: #2006453)
- SAUCE: Fix ftrace/Meta-selftests bashism check
* CVE-2023-23559
- wifi: rndis_wlan: Prevent buffer overflow in rndis_query_oid
-- Bartlomiej Zolnierkiewicz <bartlomiej.zolnierkiew...@canonical.com>
Fri, 10 Mar 2023 18:15:33 +0100
** Changed in: linux-bluefield (Ubuntu Focal)
Status: Fix Committed => Fix Released
** CVE added: https://cve.mitre.org/cgi-bin/cvename.cgi?name=2021-3669
** CVE added: https://cve.mitre.org/cgi-bin/cvename.cgi?name=2022-2196
** CVE added: https://cve.mitre.org/cgi-bin/cvename.cgi?name=2022-4382
** CVE added: https://cve.mitre.org/cgi-bin/cvename.cgi?name=2023-23559
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https://bugs.launchpad.net/bugs/2008136
Title:
netfilter: flowtable: add counter support in HW offload
Status in linux-bluefield package in Ubuntu:
New
Status in linux-bluefield source package in Focal:
Fix Released
Bug description:
* Explain the bug(s)
While conntrack tuples are offloaded to hardware and conntrack packet
accounting is enabled, offloaded packets aren't counted.
* Brief explanation of fixes
Cherry-pick. No adaptation. First commit for SW, second commit of HW
offloaded rules.
ef803b3cf96a netfilter: flowtable: add counter support in HW offload
9312eabab4a6 netfilter: conntrack: add nf_ct_acct_add()
note: need to change a little due to cherry-pick conflict with
24384e28586c netfilter: flowtable: Set offload timeouts according to proto
values
* How to test
Create OVS bridge with 2 devices mlx5 rep devices.
Enable HW offload and configure regular connection tracking OpenFlow rules:
e.g:
ovs-ofctl del-flows br-ovs
ovs-ofctl add-flow br-ovs arp,actions=normal
ovs-ofctl add-flow br-ovs "table=0, ip,ct_state=-trk actions=ct(table=1)"
ovs-ofctl add-flow br-ovs "table=1, ip,ct_state=+trk+new
actions=ct(commit),normal"
ovs-ofctl add-flow br-ovs "table=1, ip,ct_state=+trk+est, actions=normal"
Run a TCP connection, e.g:
on mlx5 VF1 iperf -s
on mlx5 VF2 iperf -c <ip> -t 10
Optional: In different terminal, while traffic is running, check for offload:
tcpdump -nnepi <RELEVANT_MLX5_REP> tcp
and see no iperf tcp packets.
Dump conntrack with relevant ip:
echo "1" > /proc/sys/net/netfilter/nf_conntrack_acct
cat /proc/net/nf_conntrack | grep -i <ip>
See counters (packets=.*) advancing while tuples were offloaded:
ipv4 2 tcp 6 src=1.1.1.2 dst=1.1.1.3 sport=56394 dport=5001
packets=2 bytes=112 src=1.1.1.3 dst=1.1.1.2 sport=5001 dport=56394 packets=1777
bytes=665340 [HW_OFFLOAD] mark=0 zone=0 use=3
* What it could break.
Nothing.
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