[SRU][J:linux-bluefield][PATCH 0/2] Backport net/sched: act_ct: Take per-cb reference to tcf_ct_flow_table

[William Tu]

BugLink: https://bugs.launchpad.net/bugs/2080318

Backport the two patches to fix the crash issue on Bluefield.
    WARNING: CPU: 21 PID: 3688 at include/net/netfilter/nf_flow_table.h:262 mlx5_tc_ct_del_ft_cb+0x267/0x2b0 [mlx5_core]
    Modules linked in: act_ct nf_flow_table act_mirred act_skbedit act_tunnel_key vxlan cls_matc
hall nfnetlink_cttimeout act_gact cls_flower sch_ingress mlx5_vdpa vringh vhost_iotlb vdpa bonding openvswitch n
sh rpcrdma rdma_ucm
    ib_iser libiscsi scsi_transport_iscsi ib_umad rdma_cm ib_ipoib iw_cm ib_cm mlx5_ib ib_uverbs ib_core xt_MASQ
UERADE nf_conntrack_netlink nfnetlink iptable_nat xt_addrtype xt_conntrack nf_nat br_netfilter rpcsec_gss_krb5 a
uth_rpcgss oid_regis
    Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.13.0-0-gf21b5a4aeb02-prebuilt
.qemu.org 04/01/2014
    Workqueue: mlx5e mlx5e_rep_neigh_update [mlx5_core]
    RIP: 0010:mlx5_tc_ct_del_ft_cb+0x267/0x2b0 [mlx5_core]
    Code: 89 ef 48 83 05 71 a4 14 00 01 e8 f4 06 04 e1 48 83 05 6c a4 14 00 01 48 83 c4 28 5b 5d 41 5c 41 5d c3 48 83 05 d1 8b 14 00 01 <0f> 0b 48 83 05 d7 8b 14 00 01 e9 96 fe ff ff 48 83 05 a2 90 14 00
    RSP: 0018:ffff88813ff0fcb8 EFLAGS: 00010202
    RAX: 0000000000000000 RBX: ffff88811eabac40 RCX: ffff88811eabad48
    RDX: ffff88811eab8000 RSI: ffffffffa02cd560 RDI: 0000000000000000
    RBP: ffff88811eab8000 R08: 0000000000000001 R09: ffffffffa0229700
    R10: ffff888103538fc0 R11: 0000000000000001 R12: ffff88811eabad58
    R13: ffff888110c01c00 R14: ffff888106b40000 R15: 0000000000000000
    FS:  0000000000000000(0000) GS:ffff88885fd40000(0000) knlGS:0000000000000000
    CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
    CR2: 00007f1cefd28cb0 CR3: 000000012181b006 CR4: 0000000000370ea0
    DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
    DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
    Call Trace:
     <TASK>
     ? __warn+0x79/0x120
     ? mlx5_tc_ct_del_ft_cb+0x267/0x2b0 [mlx5_core]
     ? report_bug+0x17c/0x190
     ? handle_bug+0x3c/0x60
    
Vlad Buslov (1):
  net/sched: act_ct: Take per-cb reference to tcf_ct_flow_table

Xin Long (1):
  net: sched: call tcf_ct_params_free to free params in tcf_ct_init

 include/net/netfilter/nf_flow_table.h | 10 ++++
 net/sched/act_ct.c                    | 77 +++++++++++++++++++--------
 2 files changed, 64 insertions(+), 23 deletions(-)

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2.34.1