Hi Florian,Pablo and Eric This is bug report for flowtable and kernel 5.19.9 simple config nat + flowtable Sep 22 07:43:49 [460691.259144][ C28] ------------[ cut here ]------------ Sep 22 07:43:49 [460691.305266][ C28] kernel BUG at mm/vmalloc.c:2437! Sep 22 07:43:49 [460691.350494][ C28] invalid opcode: 0000 [#1] SMP Sep 22 07:43:49 [460691.394815][ C28] CPU: 28 PID: 0 Comm: swapper/28 Tainted: G W O 5.19.9 #1 Sep 22 07:43:49 [460691.438893][ C28] Hardware name: Supermicro SYS-5038MR-H8TRF/X10SRD-F, BIOS 3.3 10/28/2020 Sep 22 07:43:49 [460691.482545][ C28] RIP: 0010:__get_vm_area_node+0x120/0x130 Sep 22 07:43:50 [460691.525384][ C28] Code: ff bd ff ff ff ff 48 0f bd e8 b8 0c 00 00 00 ff c5 39 c5 0f 4c e8 b8 1e 00 00 00 39 c5 0f 4f e8 c4 e2 d1 f7 e9 e9 2e ff ff ff <0f> 0b 4c 89 ff e8 86 80 01 00 45 31 ff eb b6 90 41 57 41 56 41 55 Sep 22 07:43:50 [460691.611308][ C28] RSP: 0018:ffffb484406c0950 EFLAGS: 00010206 Sep 22 07:43:50 [460691.653294][ C28] RAX: 00000000ffffffff RBX: 0000000000002b20 RCX: 0000000000000100 Sep 22 07:43:50 [460691.694895][ C28] RDX: 0000000000000015 RSI: 0000000000200000 RDI: 0000000000400040 Sep 22 07:43:50 [460691.735452][ C28] RBP: 0000000000000015 R08: ffffb48440000000 R09: ffffd4843fffffff Sep 22 07:43:50 [460691.775139][ C28] R10: 0000000000000010 R11: ffff9f0263dfc6c0 R12: 0000000000000422 Sep 22 07:43:50 [460691.813944][ C28] R13: 0000000000400040 R14: 0000000000000015 R15: fffffffffffffff5 Sep 22 07:43:50 [460691.851938][ C28] FS: 0000000000000000(0000) GS:ffff9f089fd00000(0000) knlGS:0000000000000000 Sep 22 07:43:50 [460691.889498][ C28] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 Sep 22 07:43:50 [460691.926124][ C28] CR2: 0000000000460ea0 CR3: 000000023899a003 CR4: 00000000003706e0 Sep 22 07:43:50 [460691.962349][ C28] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 Sep 22 07:43:50 [460691.997569][ C28] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Sep 22 07:43:50 [460692.031617][ C28] Call Trace: Sep 22 07:43:50 [460692.064498][ C28] <IRQ> Sep 22 07:43:50 [460692.096177][ C28] __vmalloc_node_range+0x96/0x1e0 Sep 22 07:43:50 [460692.128014][ C28] ? bucket_table_alloc.isra.0+0x47/0x140 Sep 22 07:43:50 [460692.160134][ C28] kvmalloc_node+0x92/0xb0 Sep 22 07:43:50 [460692.191885][ C28] ? bucket_table_alloc.isra.0+0x47/0x140 Sep 22 07:43:50 [460692.224234][ C28] bucket_table_alloc.isra.0+0x47/0x140 Sep 22 07:43:50 [460692.256840][ C28] rhashtable_try_insert+0x3a4/0x440 Sep 22 07:43:50 [460692.288863][ C28] rhashtable_insert_slow+0x1b/0x30 Sep 22 07:43:50 [460692.320345][ C28] flow_offload_add+0x6e/0x130 [nf_flow_table] Sep 22 07:43:50 [460692.351709][ C28] nft_flow_offload_eval+0x22c/0x2ab [nft_flow_offload] Sep 22 07:43:50 [460692.382998][ C28] ? nft_rhash_lookup+0xe8/0x1b0 [nf_tables] Sep 22 07:43:50 [460692.414226][ C28] nft_do_chain+0x120/0x4c0 [nf_tables] Sep 22 07:43:50 [460692.445492][ C28] ? nft_do_chain+0x60/0x4c0 [nf_tables] Sep 22 07:43:50 [460692.476915][ C28] ? __dev_xmit_skb+0x1fc/0x4c0 Sep 22 07:43:51 [460692.508318][ C28] ? fib_validate_source+0x37/0xd0 Sep 22 07:43:51 [460692.539150][ C28] ? __mkroute_input+0x102/0x310 Sep 22 07:43:51 [460692.569601][ C28] ? ip_route_input_slow+0x394/0x8c0 Sep 22 07:43:51 [460692.599666][ C28] ? nf_conntrack_in+0x32f/0x500 [nf_conntrack] Sep 22 07:43:51 [460692.629598][ C28] nft_do_chain_inet+0x76/0xc0 [nf_tables] Sep 22 07:43:51 [460692.659203][ C28] nf_hook_slow+0x36/0xa0 Sep 22 07:43:51 [460692.688275][ C28] ip_forward+0x46c/0x4c0 Sep 22 07:43:51 [460692.716786][ C28] ? lookup+0x42/0xf0 Sep 22 07:43:51 [460692.744774][ C28] ? ip4_obj_hashfn+0xc0/0xc0 Sep 22 07:43:51 [460692.772405][ C28] __netif_receive_skb_one_core+0x3f/0x50 Sep 22 07:43:51 [460692.799925][ C28] process_backlog+0x7c/0x110 Sep 22 07:43:51 [460692.827146][ C28] __napi_poll+0x20/0x100 Sep 22 07:43:51 [460692.853971][ C28] net_rx_action+0x26d/0x330 Sep 22 07:43:51 [460692.880116][ C28] __do_softirq+0xaf/0x1d7 Sep 22 07:43:51 [460692.905939][ C28] do_softirq+0x5a/0x80 Sep 22 07:43:51 [460692.931585][ C28] </IRQ> Sep 22 07:43:51 [460692.956920][ C28] <TASK> Sep 22 07:43:51 [460692.981744][ C28] flush_smp_call_function_queue+0x3f/0x60 Sep 22 07:43:51 [460693.006615][ C28] do_idle+0xa6/0xc0 Sep 22 07:43:51 [460693.031211][ C28] cpu_startup_entry+0x14/0x20 Sep 22 07:43:51 [460693.054932][ C28] start_secondary+0xd6/0xe0 Sep 22 07:43:51 [460693.077931][ C28] secondary_startup_64_no_verify+0xd3/0xdb Sep 22 07:43:51 [460693.100596][ C28] </TASK> Sep 22 07:43:51 [460693.122724][ C28] Modules linked in: nft_flow_offload nf_flow_table_inet nf_flow_table nf_nat_sip nf_conntrack_sip nf_nat_pptp nf_conntrack_pptp nf_nat_tftp nf_conntrack_tftp nf_nat_ftp nf_conntrack_ftp nft_limit nf_conntrack_netlink pppoe pppox ppp_generic slhc nft_nat nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 nf_tables netconsole coretemp bonding i40e acpi_ipmi ipmi_si ipmi_devintf ipmi_msghandler rtc_cmos Sep 22 07:43:51 [460693.225006][ C28] ---[ end trace 0000000000000000 ]---
