On Thu 11 Jun 2020 at 19:52, we...@ucloud.cn wrote: > From: wenxu <we...@ucloud.cn> > > If the representor is removed, then identify the indirect > flow_blocks that need to be removed by the release callback. > > Fixes: 1fac52da5942 ("net: flow_offload: consolidate indirect flow_block > infrastructure") > Signed-off-by: wenxu <we...@ucloud.cn> > ---
Hi wenxu, With this series applied I get following list manipulation warnings followed by NULL-pointer dereference in one of the tests: [ 521.784646] #################################### [ 521.785926] ## TEST test-ecmp-restore-rule.sh ## [ 521.787104] #################################### [ 522.967128] :test: Fedora 30 (Thirty) [ 522.971233] :test: Linux reg-r-vrt-018-180 5.7.0+ [ 523.015770] :test: NIC ens1f0 FW 16.27.6008 PCI 0000:81:00.0 DEVICE 0x1019 ConnectX-5 Ex [ 523.044090] mlx5_core 0000:81:00.0 ens1f0: Link up [ 523.214128] mlx5_core 0000:81:00.1 ens1f1: Link up [ 523.225365] IPv6: ADDRCONF(NETDEV_CHANGE): ens1f0: link becomes ready [ 523.227661] IPv6: ADDRCONF(NETDEV_CHANGE): ens1f1: link becomes ready [ 523.396909] :test: unbind vfs of ens1f0 [ 523.416515] :test: Change ens1f0 eswitch (0000:81:00.0) mode to switchdev [ 523.445505] :test: unbind vfs of ens1f1 [ 523.463484] :test: Change ens1f1 eswitch (0000:81:00.1) mode to switchdev [ 523.467798] mlx5_core 0000:81:00.1: E-Switch: Disable: mode(LEGACY), nvfs(2), active vports(3) [ 524.433828] mlx5_core 0000:81:00.1: E-Switch: Supported tc offload range - chains: 4294967294, prios: 4294967295 [ 524.517146] mlx5_core 0000:81:00.1: MLX5E: StrdRq(1) RqSz(8) StrdSz(2048) RxCqeCmprss(0) [ 524.599812] mlx5_core 0000:81:00.1 ens1f1: renamed from eth0 [ 524.620856] mlx5_core 0000:81:00.1: MLX5E: StrdRq(1) RqSz(8) StrdSz(2048) RxCqeCmprss(0) [ 524.666250] mlx5_core 0000:81:00.1: MLX5E: StrdRq(1) RqSz(8) StrdSz(2048) RxCqeCmprss(0) [ 524.712324] ens1f1_0: renamed from eth0 [ 524.734302] mlx5_core 0000:81:00.1: E-Switch: Enable: mode(OFFLOADS), nvfs(2), active vports(3) [ 524.767315] ens1f1_1: renamed from eth1 [ 525.799619] IPv6: ADDRCONF(NETDEV_CHANGE): ens1f1_0: link becomes ready [ 525.840549] :test: unbind vfs of ens1f0 [ 525.850744] :test: unbind vfs of ens1f1 [ 525.869147] ------------[ cut here ]------------ [ 525.870064] list_add corruption. prev->next should be next (ffffffffc0826ce0), but was 2bbe836be6455630. (prev=ffff98a2cec42500). [ 525.871454] WARNING: CPU: 22 PID: 5290 at lib/list_debug.c:26 __list_add_valid+0x4d/0x70 [ 525.872159] Modules linked in: act_gact act_mirred act_tunnel_key cls_flower dummy vxlan ip6_udp_tunnel udp_tunnel sch_ingress nfsv3 nfs_acl nfs lockd grace fscache tun bridge stp llc sunrpc rdma_ucm rdma_cm iw_cm ib_cm mlx5_ib ib_uverbs ib_core mlx5_core intel_rapl_msr intel_rapl_common sb_edac mlxfw x86_pkg_temp_thermal act_ct nf_flow_table intel_powerclamp nf_nat coretemp nf_conntrack kvm_intel kvm igb nf_defrag_ipv6 libcrc32c nf_defrag_ipv4 irqbypass ptp ioatdma ses crct10dif_pclmul pps_core iTCO_wdt crc32_pclmul enclosure crc32c_intel ipmi_ssif iTCO_vendor_support joydev mei_me dca i2c_i801 mei ghash_clmulni_intel ipmi_si intel_cstate wmi lpc_ich ipmi_devintf intel_uncore pcspkr ipmi_msghandler acpi_power_meter acpi_pad ast i2c_algo_bit drm_vram_helper drm_kms_helper drm_ttm_helper ttm drm mpt3sas raid_class scsi_transport_sas [ 525.877504] CPU: 22 PID: 5290 Comm: tc Not tainted 5.7.0+ #1152 [ 525.878353] Hardware name: Supermicro SYS-2028TP-DECR/X10DRT-P, BIOS 2.0b 03/30/2017 [ 525.879222] RIP: 0010:__list_add_valid+0x4d/0x70 [ 525.880088] Code: c3 4c 89 c1 48 c7 c7 78 b1 19 b0 e8 cf b3 bd ff 0f 0b 31 c0 c3 48 89 d1 4c 89 c6 4c 89 ca 48 c7 c7 c8 b1 19 b0 e8 b5 b3 bd ff <0f> 0b 31 c0 c3 48 89 f2 4c 89 c1 48 89 fe 48 c7 c7 18 b2 19 b0 e8 [ 525.881882] RSP: 0018:ffffbbe044ecb850 EFLAGS: 00010282 [ 525.882777] RAX: 0000000000000000 RBX: ffff98a2cec42500 RCX: 0000000000000000 [ 525.883670] RDX: ffff98a2efca7f60 RSI: ffff98a2efc99d80 RDI: ffff98a2efc99d80 [ 525.883670] RDX: ffff98a2efca7f60 RSI: ffff98a2efc99d80 RDI: ffff98a2efc99d80 [ 525.884565] RBP: ffff98a29960c800 R08: ffff98a2efc99d80 R09: 0000000000000725 [ 525.885458] R10: 0000000000000001 R11: ffffffffafedecc0 R12: ffff98a2ed1c7980 [ 525.886349] R13: ffffbbe044ecb900 R14: ffff98a2ed1c7990 R15: ffffbbe044ecb900 [ 525.887231] FS: 00007fa9b95be480(0000) GS:ffff98a2efc80000(0000) knlGS:0000000000000000 [ 525.888140] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 525.889039] CR2: 00007fa9b97df7a0 CR3: 000000082c7d8005 CR4: 00000000001606e0 [ 525.889963] Call Trace: [ 525.890929] mlx5e_rep_indr_setup_block+0x23a/0x2d0 [mlx5_core] [ 525.891867] flow_indr_dev_setup_offload+0x57/0x160 [ 525.892770] ? tcf_block_unbind+0xe0/0xe0 [ 525.893683] tcf_block_offload_cmd.isra.0+0x23f/0x280 [ 525.894589] tcf_block_get_ext+0x207/0x4c0 [ 525.895528] ingress_init+0x70/0xa0 [sch_ingress] [ 525.896442] qdisc_create+0x1b9/0x4d0 [ 525.897347] ? kmem_cache_alloc_trace+0x159/0x210 [ 525.898262] ? dev_ingress_queue_create+0x30/0x90 [ 525.899154] tc_modify_qdisc+0x126/0x740 [ 525.900042] rtnetlink_rcv_msg+0x2b0/0x360 [ 525.900921] ? copyout+0x22/0x30 [ 525.901777] ? _copy_to_iter+0xa1/0x410 [ 525.902638] ? _cond_resched+0x15/0x30 [ 525.903479] ? rtnl_calcit.isra.0+0x110/0x110 [ 525.904326] netlink_rcv_skb+0x49/0x110 [ 525.905179] netlink_unicast+0x191/0x230 [ 525.905997] netlink_sendmsg+0x243/0x480 [ 525.906806] sock_sendmsg+0x5e/0x60 [ 525.907597] ____sys_sendmsg+0x1f3/0x260 [ 525.908392] ? copy_msghdr_from_user+0x5c/0x90 [ 525.909185] ? ____sys_recvmsg+0xa7/0x180 [ 525.909976] ___sys_sendmsg+0x81/0xc0 [ 525.910758] ? filemap_map_pages+0x291/0x400 [ 525.911507] ? handle_mm_fault+0x15f2/0x1e00 [ 525.912244] __sys_sendmsg+0x59/0xa0 [ 525.912968] do_syscall_64+0x5b/0x1d0 [ 525.913664] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 525.914337] RIP: 0033:0x7fa9b97847b8 [ 525.914991] Code: 89 02 48 c7 c0 ff ff ff ff eb bb 0f 1f 80 00 00 00 00 f3 0f 1e fa 48 8d 05 65 8f 0c 00 8b 00 85 c0 75 17 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 89 54 [ 525.916340] RSP: 002b:00007ffd365b1d58 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 525.916982] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa9b97847b8 [ 525.917622] RDX: 0000000000000000 RSI: 00007ffd365b1dd0 RDI: 0000000000000003 [ 525.918256] RBP: 000000005ee36c31 R08: 0000000000000001 R09: 00000000008ac9c0 [ 525.918894] R10: 0000000000404fa8 R11: 0000000000000246 R12: 0000000000000001 [ 525.919501] R13: 00007ffd365c2020 R14: 0000000000000000 R15: 00000000004866a0 [ 525.920091] ---[ end trace 27bb705e50a7c6a4 ]--- [ 525.920710] ------------[ cut here ]------------ [ 525.921889] list_add corruption. prev->next should be next (ffffffffc0826ce0), but was 2bbe836be6455630. (prev=ffff98a2cec42500). [ 525.924309] WARNING: CPU: 11 PID: 5290 at lib/list_debug.c:26 __list_add_valid+0x4d/0x70 [ 525.925565] Modules linked in: act_gact act_mirred act_tunnel_key cls_flower dummy vxlan ip6_udp_tunnel udp_tunnel sch_ingress nfsv3 nfs_acl nfs lockd grace fscache tun bridge stp llc sunrpc rdma_ucm rdma_cm iw_cm ib_cm mlx5_ib ib_uverbs ib_core mlx5_core intel_rapl_msr intel_rapl_common sb_edac mlxfw x86_pkg_temp_thermal act_ct nf_flow_table intel_powerclamp nf_nat coretemp nf_conntrack kvm_intel kvm igb nf_defrag_ipv6 libcrc32c nf_defrag_ipv4 irqbypass ptp ioatdma ses crct10dif_pclmul pps_core iTCO_wdt crc32_pclmul enclosure crc32c_intel ipmi_ssif iTCO_vendor_support joydev mei_me dca i2c_i801 mei ghash_clmulni_intel ipmi_si intel_cstate wmi lpc_ich ipmi_devintf intel_uncore pcspkr ipmi_msghandler acpi_power_meter acpi_pad ast i2c_algo_bit drm_vram_helper drm_kms_helper drm_ttm_helper ttm drm mpt3sas raid_class scsi_transport_sas [ 525.935182] CPU: 11 PID: 5290 Comm: tc Tainted: G W 5.7.0+ #1152 [ 525.936671] Hardware name: Supermicro SYS-2028TP-DECR/X10DRT-P, BIOS 2.0b 03/30/2017 [ 525.938148] RIP: 0010:__list_add_valid+0x4d/0x70 [ 525.939631] Code: c3 4c 89 c1 48 c7 c7 78 b1 19 b0 e8 cf b3 bd ff 0f 0b 31 c0 c3 48 89 d1 4c 89 c6 4c 89 ca 48 c7 c7 c8 b1 19 b0 e8 b5 b3 bd ff <0f> 0b 31 c0 c3 48 89 f2 4c 89 c1 48 89 fe 48 c7 c7 18 b2 19 b0 e8 [ 525.942744] RSP: 0018:ffffbbe044ecb850 EFLAGS: 00010282 [ 525.944325] RAX: 0000000000000000 RBX: ffff98a2cec42500 RCX: 0000000000000000 [ 525.945950] RDX: ffff98a2efb67f60 RSI: ffff98a2efb59d80 RDI: ffff98a2efb59d80 [ 525.947547] RBP: ffff989eed19d800 R08: ffff98a2efb59d80 R09: 000000000000075c [ 525.949166] R10: 0000000000000001 R11: ffffffffafedecc0 R12: ffff98a2e7484880 [ 525.950798] R13: ffff98a2ed1c7990 R14: ffff98a2e7484890 R15: ffffbbe044ecb900 [ 525.952413] FS: 00007fa9b95be480(0000) GS:ffff98a2efb40000(0000) knlGS:0000000000000000 [ 525.954084] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 525.955763] CR2: 00007f2fc46ebbf0 CR3: 000000082c7d8001 CR4: 00000000001606e0 [ 525.957440] Call Trace: [ 525.959191] mlx5e_rep_indr_setup_block+0x23a/0x2d0 [mlx5_core] [ 525.961037] flow_indr_dev_setup_offload+0x57/0x160 [ 525.962764] ? tcf_block_unbind+0xe0/0xe0 [ 525.964505] tcf_block_offload_cmd.isra.0+0x23f/0x280 [ 525.966244] tcf_block_get_ext+0x207/0x4c0 [ 525.967988] ingress_init+0x70/0xa0 [sch_ingress] [ 525.969727] qdisc_create+0x1b9/0x4d0 [ 525.971457] ? kmem_cache_alloc_trace+0x159/0x210 [ 525.973216] ? dev_ingress_queue_create+0x30/0x90 [ 525.974964] tc_modify_qdisc+0x126/0x740 [ 525.976722] rtnetlink_rcv_msg+0x2b0/0x360 [ 525.978458] ? copyout+0x22/0x30 [ 525.980208] ? _copy_to_iter+0xa1/0x410 [ 525.981918] ? _cond_resched+0x15/0x30 [ 525.983583] ? rtnl_calcit.isra.0+0x110/0x110 [ 525.985216] netlink_rcv_skb+0x49/0x110 [ 525.986845] netlink_unicast+0x191/0x230 [ 525.988459] netlink_sendmsg+0x243/0x480 [ 525.990048] sock_sendmsg+0x5e/0x60 [ 525.991656] ____sys_sendmsg+0x1f3/0x260 [ 525.993243] ? copy_msghdr_from_user+0x5c/0x90 [ 525.994831] ? ____sys_recvmsg+0xa7/0x180 [ 525.996397] ___sys_sendmsg+0x81/0xc0 [ 525.997950] ? filemap_map_pages+0x291/0x400 [ 525.999437] ? handle_mm_fault+0x15f2/0x1e00 [ 526.000917] __sys_sendmsg+0x59/0xa0 [ 526.002355] do_syscall_64+0x5b/0x1d0 [ 526.003730] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 526.005090] RIP: 0033:0x7fa9b97847b8 [ 526.006389] Code: 89 02 48 c7 c0 ff ff ff ff eb bb 0f 1f 80 00 00 00 00 f3 0f 1e fa 48 8d 05 65 8f 0c 00 8b 00 85 c0 75 17 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 89 54 [ 526.009053] RSP: 002b:00007ffd365b1d58 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 526.010356] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa9b97847b8 [ 526.011642] RDX: 0000000000000000 RSI: 00007ffd365b1dd0 RDI: 0000000000000003 [ 526.012908] RBP: 000000005ee36c31 R08: 0000000000000001 R09: 00000000008ac9c0 [ 526.014169] R10: 0000000000404fa8 R11: 0000000000000246 R12: 0000000000000001 [ 526.015379] R13: 00007ffd365c2020 R14: 0000000000000000 R15: 00000000004866a0 [ 526.016556] ---[ end trace 27bb705e50a7c6a5 ]--- [ 526.025447] :test: test_restore_rule [ 526.026960] :test: config multipath route [ 526.043825] mlx5_core 0000:81:00.0 ens1f0: Link up [ 526.057844] mlx5_core 0000:81:00.1 ens1f1: Link up [ 526.063851] mlx5_core 0000:81:00.0: lag map port 1:2 port 2:2 [ 526.103667] mlx5_core 0000:81:00.0: modify lag map port 1:1 port 2:2 [ 526.816682] IPv6: ADDRCONF(NETDEV_CHANGE): ens1f1_1: link becomes ready [ 526.832204] :test: OK [ 526.851599] IPv6: ADDRCONF(NETDEV_CHANGE): ens1f0: link becomes ready [ 526.869223] IPv6: ADDRCONF(NETDEV_CHANGE): ens1f1: link becomes ready [ 526.893771] :test: -- both ports up [ 526.894837] :test: add rule [ 528.008899] :test: OK [ 529.060487] :test: OK [ 529.118610] :test: -- port0 down [ 529.159987] mlx5_core 0000:81:00.0: modify lag map port 1:2 port 2:2 [ 529.161377] :test: add rule [ 530.309132] :test: OK [ 531.365195] :test: OK [ 531.366387] :test: -- port0 up [ 531.395563] mlx5_core 0000:81:00.0 ens1f0: Link up [ 531.399867] mlx5_core 0000:81:00.0: modify lag map port 1:1 port 2:1 [ 531.402847] mlx5_core 0000:81:00.0: modify lag map port 1:1 port 2:2 [ 531.413342] IPv6: ADDRCONF(NETDEV_CHANGE): ens1f0: link becomes ready [ 535.525947] :test: OK [ 536.580387] :test: OK [ 536.641604] :test: -- port1 down [ 536.683886] mlx5_core 0000:81:00.0: modify lag map port 1:1 port 2:1 [ 536.684212] :test: add rule [ 537.854675] :test: OK [ 538.938304] :test: OK [ 538.940384] :test: -- port1 up [ 538.961971] mlx5_core 0000:81:00.1 ens1f1: Link up [ 538.965176] IPv6: ADDRCONF(NETDEV_CHANGE): ens1f1: link becomes ready [ 538.966296] mlx5_core 0000:81:00.0: modify lag map port 1:2 port 2:2 [ 538.968003] mlx5_core 0000:81:00.0: modify lag map port 1:1 port 2:2 [ 542.081377] :test: OK [ 543.144289] :test: OK [ 543.277272] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 543.278051] #PF: supervisor read access in kernel mode [ 543.278514] #PF: error_code(0x0000) - not-present page [ 543.278958] PGD 800000044d344067 P4D 800000044d344067 PUD 455d97067 PMD 0 [ 543.279363] Oops: 0000 [#1] SMP PTI [ 543.279729] CPU: 14 PID: 5423 Comm: ip Tainted: G W 5.7.0+ #1152 [ 543.280154] Hardware name: Supermicro SYS-2028TP-DECR/X10DRT-P, BIOS 2.0b 03/30/2017 [ 543.280539] RIP: 0010:__list_del_entry_valid+0x25/0x90 [ 543.280949] Code: c3 0f 1f 40 00 48 8b 17 4c 8b 47 08 48 b8 00 01 00 00 00 00 ad de 48 39 c2 74 26 48 b8 22 01 00 00 00 00 ad de 49 39 c0 74 2b <49> 8b 30 48 39 fe 75 3a 48 8b 52 08 48 39 f2 75 48 b8 01 00 00 00 [ 543.281811] RSP: 0018:ffffbbe04525b6d0 EFLAGS: 00010217 [ 543.282261] RAX: dead000000000122 RBX: ffffbbe04525b760 RCX: ffff98a2ed1c7990 [ 543.282680] RDX: 0000000000000000 RSI: ffffbbe04525b780 RDI: ffff98a2ed1c7980 [ 543.283151] RBP: ffff98a2ed1c7980 R08: 0000000000000000 R09: ffffbbe04525b780 [ 543.283575] R10: 0000000000000001 R11: ffff98a29b293ca0 R12: ffff98a2ed1c7990 [ 543.284036] R13: ffffbbe04525b780 R14: ffffbbe04525b780 R15: ffffbbe04525b760 [ 543.284477] FS: 00007fdba234ae40(0000) GS:ffff989eefc00000(0000) knlGS:0000000000000000 [ 543.284935] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 543.285404] CR2: 0000000000000000 CR3: 0000000453d84004 CR4: 00000000001606e0 [ 543.285845] Call Trace: [ 543.286313] mlx5e_rep_indr_setup_block+0x106/0x2d0 [mlx5_core] [ 543.286762] ? set_next_entity+0xab/0x1f0 [ 543.287213] flow_indr_dev_setup_offload+0x57/0x160 [ 543.287670] ? tcf_block_unbind+0xe0/0xe0 [ 543.288129] tcf_block_offload_cmd.isra.0+0x23f/0x280 [ 543.288587] tcf_block_offload_unbind.isra.0+0x36/0x60 [ 543.289073] __tcf_block_put+0x84/0x150 [ 543.289544] ingress_destroy+0x1b/0x20 [sch_ingress] [ 543.290008] qdisc_destroy+0x3e/0xc0 [ 543.290473] dev_shutdown+0x7a/0xa5 [ 543.290948] rollback_registered_many+0x20d/0x530 [ 543.291410] ? netdev_upper_dev_unlink+0x15d/0x1c0 [ 543.291879] unregister_netdevice_many.part.0+0xf/0x70 [ 543.292346] rtnl_delete_link+0x47/0x70 [ 543.292818] rtnl_dellink+0xf1/0x300 [ 543.293322] ? rtnl_getlink+0x304/0x3b0 [ 543.293788] rtnetlink_rcv_msg+0x2b0/0x360 [ 543.294249] ? copyout+0x22/0x30 [ 543.294703] ? _copy_to_iter+0xa1/0x410 [ 543.295162] ? _cond_resched+0x15/0x30 [ 543.295619] ? rtnl_calcit.isra.0+0x110/0x110 [ 543.296082] netlink_rcv_skb+0x49/0x110 [ 543.296543] netlink_unicast+0x191/0x230 [ 543.297027] netlink_sendmsg+0x243/0x480 [ 543.297496] sock_sendmsg+0x5e/0x60 [ 543.297946] ____sys_sendmsg+0x1f3/0x260 [ 543.298389] ? copy_msghdr_from_user+0x5c/0x90 [ 543.298839] ___sys_sendmsg+0x81/0xc0 [ 543.299282] ? wp_page_copy+0x310/0xb10 [ 543.299720] ? __wake_up_common_lock+0x8a/0xc0 [ 543.300157] ? fsnotify_grab_connector+0x4a/0x80 [ 543.300603] __sys_sendmsg+0x59/0xa0 [ 543.301066] do_syscall_64+0x5b/0x1d0 [ 543.301505] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 543.301923] RIP: 0033:0x7fdba25137b8 [ 543.302331] Code: 89 02 48 c7 c0 ff ff ff ff eb bb 0f 1f 80 00 00 00 00 f3 0f 1e fa 48 8d 05 65 8f 0c 00 8b 00 85 c0 75 17 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 89 54 [ 543.303171] RSP: 002b:00007fffd1568f78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 543.303588] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fdba25137b8 [ 543.304005] RDX: 0000000000000000 RSI: 00007fffd1568ff0 RDI: 0000000000000003 [ 543.304426] RBP: 000000005ee36c41 R08: 0000000000000001 R09: 00007fdba25d7cc0 [ 543.304861] R10: fffffffffffffca3 R11: 0000000000000246 R12: 0000000000000001 [ 543.305314] R13: 00007fffd1569780 R14: 00007fffd156a6ff R15: 0000000000485540 [ 543.305733] Modules linked in: act_gact act_mirred act_tunnel_key cls_flower dummy vxlan ip6_udp_tunnel udp_tunnel sch_ingress nfsv3 nfs_acl nfs lockd grace fscache tun bridge stp llc sunrpc rdma_ucm rdma_cm iw_cm ib_cm mlx5_ib ib_uverbs ib_core mlx5_core intel_rapl_msr intel_rapl_common sb_edac mlxfw x86_pkg_temp_thermal act_ct nf_flow_table intel_powerclamp nf_nat coretemp nf_conntrack kvm_intel kvm igb nf_defrag_ipv6 libcrc32c nf_defrag_ipv4 irqbypass ptp ioatdma ses crct10dif_pclmul pps_core iTCO_wdt crc32_pclmul enclosure crc32c_intel ipmi_ssif iTCO_vendor_support joydev mei_me dca i2c_i801 mei ghash_clmulni_intel ipmi_si intel_cstate wmi lpc_ich ipmi_devintf intel_uncore pcspkr ipmi_msghandler acpi_power_meter acpi_pad ast i2c_algo_bit drm_vram_helper drm_kms_helper drm_ttm_helper ttm drm mpt3sas raid_class scsi_transport_sas [ 543.309029] CR2: 0000000000000000 [ 543.309557] ---[ end trace 27bb705e50a7c6a6 ]--- [ 543.313014] RIP: 0010:__list_del_entry_valid+0x25/0x90 [ 543.313614] Code: c3 0f 1f 40 00 48 8b 17 4c 8b 47 08 48 b8 00 01 00 00 00 00 ad de 48 39 c2 74 26 48 b8 22 01 00 00 00 00 ad de 49 39 c0 74 2b <49> 8b 30 48 39 fe 75 3a 48 8b 52 08 48 39 f2 75 48 b8 01 00 00 00 [ 543.314714] RSP: 0018:ffffbbe04525b6d0 EFLAGS: 00010217 [ 543.315319] RAX: dead000000000122 RBX: ffffbbe04525b760 RCX: ffff98a2ed1c7990 [ 543.315885] RDX: 0000000000000000 RSI: ffffbbe04525b780 RDI: ffff98a2ed1c7980 [ 543.316477] RBP: ffff98a2ed1c7980 R08: 0000000000000000 R09: ffffbbe04525b780 [ 543.317065] R10: 0000000000000001 R11: ffff98a29b293ca0 R12: ffff98a2ed1c7990 [ 543.317622] R13: ffffbbe04525b780 R14: ffffbbe04525b780 R15: ffffbbe04525b760 [ 543.318241] FS: 00007fdba234ae40(0000) GS:ffff989eefc00000(0000) knlGS:0000000000000000 [ 543.318815] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033