Public bug reported: * Explain the bug(s)
when setting up conntrack offload with tcp pedit (test-ct-tcp-pedit.sh), encounter kernel panic. * brief explanation of fixes In tc_setup_flow_action, need to properly assign action. Which fixes previous commit ("UBUNTU: SAUCE: net/sched: Provide act to offload action") * Kernel log [ 226.156222] Unable to handle kernel access to user memory outside uaccess routines at [ 226.177783] Mem abort info: [ 226.183408] ESR = 0x0000000096000004 [ 226.190953] EC = 0x25: DABT (current EL), IL = 32 bits [ 226.201641] SET = 0, FnV = 0 [ 226.207786] EA = 0, S1PTW = 0 [ 226.214095] FSC = 0x04: level 0 translation fault [ 226.223906] Data abort info: [ 226.229695] ISV = 0, ISS = 0x00000004 [ 226.237410] CM = 0, WnR = 0 [ 226.243372] user pgtable: 4k pages, 48-bit VAs, pgdp=0000000123f25000 [ 226.256328] [0000000000000090] pgd=0000000000000000, p4d=0000000000000000 [ 226.269984] Internal error: Oops: 96000004 [#1] SMP [ 226.279779] Modules linked in: act_pedit act_ct nf_flow_table iptable_raw xt_CT xt_tcpudp bpfilter xt_comment xt_mark [ 226.279938] async_raid6_recov async_memcpy async_pq async_xor async_tx xor xor_neon raid6_pq raid1 raid0 multipath [ 226.544260] CPU: 2 PID: 4293 Comm: handler3 Tainted: G [ 226.565581] Hardware name: https://www.mellanox.com BlueField SoC/BlueField SoC, BIOS 4.2.0.12795 Jun 30 2023 [ 226.585497] pstate: a0400005 (NzCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 226.599481] pc : tcf_action_update_stats+0x8/0xc4 [ 226.608933] lr : mlx5e_tc_act_stats_fill_stats+0xf8/0x19c [mlx5_core] [ 226.622089] sp : ffff80000e073130 [ 226.628735] x29: ffff80000e073130 x28: 0000000000000008 x27: 0000000000000020 [ 226.643067] x26: ffffffffffffffe0 x25: ffff5913c62dfe71 x24: ffff5913c62dfe00 [ 226.657398] x23: 0000000000000000 x22: 0000000000000000 x21: ffff5913c62dfe70 [ 226.671730] x20: ffff5913c2fc3b00 x19: ffff5913f0058000 x18: 0000000000000014 [ 226.686059] x17: 00000000b96d1a87 x16: ffffc6320acb93e0 x15: 0000000000000000 [ 226.700390] x14: 0000000000000001 x13: 0000000000000000 x12: 0000000000000002 [ 226.714720] x11: 7f7f7f7f7f7f7f7f x10: 0000000000000000 x9 : ffffc631ce0b66ac [ 226.729052] x8 : ffff80000e073130 x7 : 0000000000000000 x6 : 000000000000000d [ 226.743384] x5 : 0000000000000c62 x4 : 0000000000000001 x3 : 0000000000000000 [ 226.757715] x2 : 0000000000000000 x1 : 0000000000000000 x0 : 0000000000000000 [ 226.772047] Call trace: [ 226.776947] tcf_action_update_stats+0x8/0xc4 [ 226.785695] mlx5e_tc_act_stats_fill_stats_flow+0x78/0xc0 [mlx5_core] [ 226.798833] mlx5e_stats_flower+0x394/0x3c0 [mlx5_core] [ 226.809502] mlx5e_rep_setup_tc_cls_flower+0x8c/0xa0 [mlx5_core] [ 226.821732] mlx5e_rep_setup_tc_cb+0x74/0xb0 [mlx5_core] [ 226.832549] tc_setup_cb_call+0xa4/0x160 [ 226.840426] fl_hw_update_stats+0x98/0x164 [cls_flower] [ 226.850927] fl_dump.part.0+0x224/0x260 [cls_flower] [ 226.860891] fl_dump+0x20/0x34 [cls_flower] [ 226.869284] tcf_fill_node+0x164/0x244 [ 226.876803] tfilter_notify+0xc0/0x140 [ 226.884323] tc_new_tfilter+0x454/0x8bc [ 226.892018] rtnetlink_rcv_msg+0x2e8/0x3cc [ 226.900245] netlink_rcv_skb+0x64/0x130 [ 226.907942] rtnetlink_rcv+0x20/0x30 [ 226.915110] netlink_unicast+0x2ec/0x360 [ 226.922977] netlink_sendmsg+0x278/0x490 [ 226.930846] sock_sendmsg+0x5c/0x6c [ 226.937845] ____sys_sendmsg+0x290/0x2d4 [ 226.945712] ___sys_sendmsg+0x84/0xd0 [ 226.953059] __sys_sendmsg+0x70/0xd0 [ 226.960229] __arm64_sys_sendmsg+0x2c/0x40 [ 226.968447] invoke_syscall+0x78/0x100 [ 226.975974] el0_svc_common.constprop.0+0x54/0x184 [ 226.985587] do_el0_svc+0x30/0xac [ 226.992231] el0_svc+0x48/0x160 [ 226.998528] el0t_64_sync_handler+0xa4/0x130 [ 227.007094] el0t_64_sync+0x1a4/0x1a8 [ 227.014444] Code: 9407cf7e d503201f aa1e03e9 d503201f (f9404805) [ 227.026679] ---[ end trace 2aa44f8c6701f98e ]--- [ 236.273308] Kernel panic - not syncing: Oops: Fatal exception [ 236.284885] SMP: stopping secondary CPUs [ 236.292761] Kernel Offset: 0x463201de0000 from 0xffff800008000000 [ 236.304996] PHYS_OFFSET: 0xffffa6ed40000000 [ 236.313387] CPU features: 0x800804a1,20000846 [ 236.322129] Memory Limit: none [ 273.872736] Rebooting in 10 seconds.. ** Affects: linux-bluefield (Ubuntu) Importance: Undecided Status: New -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux-bluefield in Ubuntu. https://bugs.launchpad.net/bugs/2028190 Title: kernel panic when using conntrack tcp pedit Status in linux-bluefield package in Ubuntu: New Bug description: * Explain the bug(s) when setting up conntrack offload with tcp pedit (test-ct-tcp- pedit.sh), encounter kernel panic. * brief explanation of fixes In tc_setup_flow_action, need to properly assign action. Which fixes previous commit ("UBUNTU: SAUCE: net/sched: Provide act to offload action") * Kernel log [ 226.156222] Unable to handle kernel access to user memory outside uaccess routines at [ 226.177783] Mem abort info: [ 226.183408] ESR = 0x0000000096000004 [ 226.190953] EC = 0x25: DABT (current EL), IL = 32 bits [ 226.201641] SET = 0, FnV = 0 [ 226.207786] EA = 0, S1PTW = 0 [ 226.214095] FSC = 0x04: level 0 translation fault [ 226.223906] Data abort info: [ 226.229695] ISV = 0, ISS = 0x00000004 [ 226.237410] CM = 0, WnR = 0 [ 226.243372] user pgtable: 4k pages, 48-bit VAs, pgdp=0000000123f25000 [ 226.256328] [0000000000000090] pgd=0000000000000000, p4d=0000000000000000 [ 226.269984] Internal error: Oops: 96000004 [#1] SMP [ 226.279779] Modules linked in: act_pedit act_ct nf_flow_table iptable_raw xt_CT xt_tcpudp bpfilter xt_comment xt_mark [ 226.279938] async_raid6_recov async_memcpy async_pq async_xor async_tx xor xor_neon raid6_pq raid1 raid0 multipath [ 226.544260] CPU: 2 PID: 4293 Comm: handler3 Tainted: G [ 226.565581] Hardware name: https://www.mellanox.com BlueField SoC/BlueField SoC, BIOS 4.2.0.12795 Jun 30 2023 [ 226.585497] pstate: a0400005 (NzCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 226.599481] pc : tcf_action_update_stats+0x8/0xc4 [ 226.608933] lr : mlx5e_tc_act_stats_fill_stats+0xf8/0x19c [mlx5_core] [ 226.622089] sp : ffff80000e073130 [ 226.628735] x29: ffff80000e073130 x28: 0000000000000008 x27: 0000000000000020 [ 226.643067] x26: ffffffffffffffe0 x25: ffff5913c62dfe71 x24: ffff5913c62dfe00 [ 226.657398] x23: 0000000000000000 x22: 0000000000000000 x21: ffff5913c62dfe70 [ 226.671730] x20: ffff5913c2fc3b00 x19: ffff5913f0058000 x18: 0000000000000014 [ 226.686059] x17: 00000000b96d1a87 x16: ffffc6320acb93e0 x15: 0000000000000000 [ 226.700390] x14: 0000000000000001 x13: 0000000000000000 x12: 0000000000000002 [ 226.714720] x11: 7f7f7f7f7f7f7f7f x10: 0000000000000000 x9 : ffffc631ce0b66ac [ 226.729052] x8 : ffff80000e073130 x7 : 0000000000000000 x6 : 000000000000000d [ 226.743384] x5 : 0000000000000c62 x4 : 0000000000000001 x3 : 0000000000000000 [ 226.757715] x2 : 0000000000000000 x1 : 0000000000000000 x0 : 0000000000000000 [ 226.772047] Call trace: [ 226.776947] tcf_action_update_stats+0x8/0xc4 [ 226.785695] mlx5e_tc_act_stats_fill_stats_flow+0x78/0xc0 [mlx5_core] [ 226.798833] mlx5e_stats_flower+0x394/0x3c0 [mlx5_core] [ 226.809502] mlx5e_rep_setup_tc_cls_flower+0x8c/0xa0 [mlx5_core] [ 226.821732] mlx5e_rep_setup_tc_cb+0x74/0xb0 [mlx5_core] [ 226.832549] tc_setup_cb_call+0xa4/0x160 [ 226.840426] fl_hw_update_stats+0x98/0x164 [cls_flower] [ 226.850927] fl_dump.part.0+0x224/0x260 [cls_flower] [ 226.860891] fl_dump+0x20/0x34 [cls_flower] [ 226.869284] tcf_fill_node+0x164/0x244 [ 226.876803] tfilter_notify+0xc0/0x140 [ 226.884323] tc_new_tfilter+0x454/0x8bc [ 226.892018] rtnetlink_rcv_msg+0x2e8/0x3cc [ 226.900245] netlink_rcv_skb+0x64/0x130 [ 226.907942] rtnetlink_rcv+0x20/0x30 [ 226.915110] netlink_unicast+0x2ec/0x360 [ 226.922977] netlink_sendmsg+0x278/0x490 [ 226.930846] sock_sendmsg+0x5c/0x6c [ 226.937845] ____sys_sendmsg+0x290/0x2d4 [ 226.945712] ___sys_sendmsg+0x84/0xd0 [ 226.953059] __sys_sendmsg+0x70/0xd0 [ 226.960229] __arm64_sys_sendmsg+0x2c/0x40 [ 226.968447] invoke_syscall+0x78/0x100 [ 226.975974] el0_svc_common.constprop.0+0x54/0x184 [ 226.985587] do_el0_svc+0x30/0xac [ 226.992231] el0_svc+0x48/0x160 [ 226.998528] el0t_64_sync_handler+0xa4/0x130 [ 227.007094] el0t_64_sync+0x1a4/0x1a8 [ 227.014444] Code: 9407cf7e d503201f aa1e03e9 d503201f (f9404805) [ 227.026679] ---[ end trace 2aa44f8c6701f98e ]--- [ 236.273308] Kernel panic - not syncing: Oops: Fatal exception [ 236.284885] SMP: stopping secondary CPUs [ 236.292761] Kernel Offset: 0x463201de0000 from 0xffff800008000000 [ 236.304996] PHYS_OFFSET: 0xffffa6ed40000000 [ 236.313387] CPU features: 0x800804a1,20000846 [ 236.322129] Memory Limit: none [ 273.872736] Rebooting in 10 seconds.. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-bluefield/+bug/2028190/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp