[ 23.982878][ T300] br0: port 1(veth1) entered blocking state [ 23.983765][ T300] br0: port 1(veth1) entered disabled state [ 23.984479][ T300] veth1: entered allmulticast mode [ 23.990755][ T300] veth1: entered promiscuous mode [ 24.164533][ T302] br0: port 2(veth2) entered blocking state [ 24.165198][ T302] br0: port 2(veth2) entered disabled state [ 24.165804][ T302] veth2: entered allmulticast mode [ 24.171611][ T302] veth2: entered promiscuous mode [ 24.487368][ T36] br0: port 1(veth1) entered blocking state [ 24.487906][ T36] br0: port 1(veth1) entered forwarding state [ 24.622785][ T46] br0: port 2(veth2) entered blocking state [ 24.623465][ T46] br0: port 2(veth2) entered forwarding state [ 34.393016][ T351] veth0: entered promiscuous mode [ 35.223098][ T357] GACT probability NOT on [ 62.565185][ T385] veth0: left promiscuous mode [ 63.193200][ T397] veth3: entered promiscuous mode [ 65.672486][ T406] veth3: left promiscuous mode [ 65.968264][ T408] veth3: entered promiscuous mode [ 68.429616][ T417] veth3: left promiscuous mode [ 68.718699][ T420] veth3: entered promiscuous mode [ 71.212526][ T429] veth3: left promiscuous mode [ 71.465622][ T431] veth3: entered promiscuous mode [ 73.855442][ T440] veth3: left promiscuous mode [ 99.807577][ T496] veth3: entered promiscuous mode [ 103.825677][ T516] veth3: left promiscuous mode [ 104.537233][ T527] veth3: entered promiscuous mode [ 108.817111][ T542] veth3: left promiscuous mode [ 109.598320][ T553] veth3: entered promiscuous mode [ 125.128559][ T580] br0: port 1(veth1) entered disabled state [ 125.325793][ T36] br0: port 1(veth1) entered blocking state [ 125.326390][ T36] br0: port 1(veth1) entered forwarding state [ 137.148514][ T605] veth1: left allmulticast mode [ 137.149166][ T605] veth1: left promiscuous mode [ 137.150039][ T605] br0: port 1(veth1) entered disabled state [ 137.334924][ T606] br0: port 1(veth1) entered blocking state [ 137.336172][ T606] br0: port 1(veth1) entered disabled state [ 137.336827][ T606] veth1: entered allmulticast mode [ 137.342638][ T606] veth1: entered promiscuous mode [ 137.343822][ T606] br0: port 1(veth1) entered blocking state [ 137.344423][ T606] br0: port 1(veth1) entered forwarding state [ 143.152590][ T619] veth3: left promiscuous mode [ 143.627098][ T627] br0: port 2(veth2) entered disabled state [ 143.757547][ T628] br0: port 1(veth1) entered disabled state [ 143.923352][ T629] veth1: left allmulticast mode [ 143.923864][ T629] veth1: left promiscuous mode [ 143.924719][ T629] br0: port 1(veth1) entered disabled state [ 143.928209][ T629] veth2: left allmulticast mode [ 143.928670][ T629] veth2: left promiscuous mode [ 143.930553][ T629] br0: port 2(veth2) entered disabled state [ 143.971570][ T629] ================================================================== [ 143.972063][ T629] BUG: KASAN: slab-use-after-free in kobject_put+0xbb/0xd0 [ 143.972506][ T629] Read of size 1 at addr ffff8880094a26ac by task ip/629 [ 143.972744][ T629] [ 143.972922][ T629] CPU: 1 UID: 0 PID: 629 Comm: ip Not tainted 6.18.0-rc4-virtme #1 PREEMPT(full) [ 143.972931][ T629] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 143.972934][ T629] Call Trace: [ 143.972938][ T629] [ 143.972941][ T629] dump_stack_lvl+0x82/0xc0 [ 143.972953][ T629] print_address_description.constprop.0+0x2c/0x3a0 [ 143.972970][ T629] ? kobject_put+0xbb/0xd0 [ 143.972977][ T629] print_report+0xb4/0x270 [ 143.972982][ T629] ? kobject_put+0xbb/0xd0 [ 143.972987][ T629] ? kasan_addr_to_slab+0x21/0x70 [ 143.972993][ T629] ? kobject_put+0xbb/0xd0 [ 143.972998][ T629] kasan_report+0xca/0x100 [ 143.973005][ T629] ? kobject_put+0xbb/0xd0 [ 143.973014][ T629] kobject_put+0xbb/0xd0 [ 143.973020][ T629] netdev_run_todo+0x5f0/0xc60 [ 143.973032][ T629] ? dev_ingress_queue_create+0x190/0x190 [ 143.973038][ T629] ? generic_xdp_install+0x410/0x410 [ 143.973042][ T629] ? kernfs_put.part.0+0x12d/0x480 [ 143.973055][ T629] ? unregister_netdevice_many+0x20/0x20 [ 143.973065][ T629] ? br_dev_delete+0x115/0x1a0 [bridge] [ 143.973127][ T629] rtnl_dellink+0x350/0xa30 [ 143.973139][ T629] ? valid_bridge_getlink_req.constprop.0+0x640/0x640 [ 143.973176][ T629] ? find_held_lock+0x2b/0x80 [ 143.973185][ T629] ? __lock_acquire+0x449/0x7e0 [ 143.973194][ T629] ? find_held_lock+0x2b/0x80 [ 143.973200][ T629] ? rtnetlink_rcv_msg+0x6e6/0xc00 [ 143.973205][ T629] ? __lock_release+0x5d/0x170 [ 143.973212][ T629] ? valid_bridge_getlink_req.constprop.0+0x640/0x640 [ 143.973218][ T629] rtnetlink_rcv_msg+0x709/0xc00 [ 143.973225][ T629] ? rtnl_port_fill+0x850/0x850 [ 143.973230][ T629] ? __lock_acquire+0x449/0x7e0 [ 143.973243][ T629] netlink_rcv_skb+0x121/0x340 [ 143.973254][ T629] ? rtnl_port_fill+0x850/0x850 [ 143.973261][ T629] ? netlink_ack+0xdd0/0xdd0 [ 143.973274][ T629] ? netlink_deliver_tap+0x13e/0x340 [ 143.973279][ T629] ? netlink_deliver_tap+0xc3/0x340 [ 143.973287][ T629] netlink_unicast+0x4aa/0x780 [ 143.973294][ T629] ? netlink_attachskb+0x810/0x810 [ 143.973300][ T629] ? __lock_acquire+0x449/0x7e0 [ 143.973309][ T629] netlink_sendmsg+0x714/0xbd0 [ 143.973316][ T629] ? netlink_unicast+0x780/0x780 [ 143.973321][ T629] ? __import_iovec+0x230/0x3b0 [ 143.973333][ T629] ? netlink_unicast+0x780/0x780 [ 143.973339][ T629] ____sys_sendmsg+0x3dd/0x890 [ 143.973356][ T629] ? get_timestamp.constprop.0+0x380/0x380 [ 143.973362][ T629] ? __copy_msghdr+0x3c0/0x3c0 [ 143.973379][ T629] ___sys_sendmsg+0xed/0x170 [ 143.973384][ T629] ? kasan_record_aux_stack+0x8c/0xa0 [ 143.973389][ T629] ? __call_rcu_common.constprop.0+0xa8/0x630 [ 143.973401][ T629] ? copy_msghdr_from_user+0x110/0x110 [ 143.973410][ T629] ? find_held_lock+0x2b/0x80 [ 143.973418][ T629] ? __lock_acquire+0x449/0x7e0 [ 143.973429][ T629] ? find_held_lock+0x2b/0x80 [ 143.973436][ T629] ? __virt_addr_valid+0x22a/0x450 [ 143.973448][ T629] ? __lock_release+0x5d/0x170 [ 143.973459][ T629] __sys_sendmsg+0x10b/0x1a0 [ 143.973464][ T629] ? __call_rcu_common.constprop.0+0x318/0x630 [ 143.973471][ T629] ? __sys_sendmsg_sock+0x20/0x20 [ 143.973485][ T629] ? rcu_is_watching+0x12/0xb0 [ 143.973493][ T629] do_syscall_64+0xc1/0xfd0 [ 143.973503][ T629] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 143.973510][ T629] RIP: 0033:0x7fc173c141d7 [ 143.973517][ T629] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 [ 143.973523][ T629] RSP: 002b:00007fffb3c43608 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 143.973530][ T629] RAX: ffffffffffffffda RBX: 00007fffb3c43d30 RCX: 00007fc173c141d7 [ 143.973535][ T629] RDX: 0000000000000000 RSI: 00007fffb3c43670 RDI: 0000000000000005 [ 143.973537][ T629] RBP: 0000000000000002 R08: 0000000000000003 R09: 0000000000000078 [ 143.973540][ T629] R10: 00007fc173b10f60 R11: 0000000000000246 R12: 0000000000000002 [ 143.973543][ T629] R13: 00000000690dead5 R14: 0000000000499600 R15: 0000000000000000 [ 143.973556][ T629] [ 143.973559][ T629] [ 143.993629][ T629] Allocated by task 297: [ 143.993856][ T629] kasan_save_stack+0x24/0x40 [ 143.994165][ T629] kasan_save_track+0x14/0x30 [ 143.994480][ T629] __kasan_kmalloc+0x7b/0x90 [ 143.994682][ T629] __kvmalloc_node_noprof+0x2e5/0x8e0 [ 143.994974][ T629] alloc_netdev_mqs+0x7d/0x1370 [ 143.995163][ T629] rtnl_create_link+0xa9e/0xe20 [ 143.995379][ T629] rtnl_newlink_create+0x203/0x770 [ 143.995573][ T629] __rtnl_newlink+0x231/0xa30 [ 143.995842][ T629] rtnl_newlink+0x693/0xa60 [ 143.996038][ T629] rtnetlink_rcv_msg+0x709/0xc00 [ 143.996213][ T629] netlink_rcv_skb+0x121/0x340 [ 143.996397][ T629] netlink_unicast+0x4aa/0x780 [ 143.996672][ T629] netlink_sendmsg+0x714/0xbd0 [ 143.996850][ T629] ____sys_sendmsg+0x3dd/0x890 [ 143.997027][ T629] ___sys_sendmsg+0xed/0x170 [ 143.997202][ T629] __sys_sendmsg+0x10b/0x1a0 [ 143.997480][ T629] do_syscall_64+0xc1/0xfd0 [ 143.997657][ T629] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 143.997890][ T629] [ 143.997981][ T629] Freed by task 629: [ 143.998208][ T629] kasan_save_stack+0x24/0x40 [ 143.998401][ T629] kasan_save_track+0x14/0x30 [ 143.998577][ T629] __kasan_save_free_info+0x3b/0x60 [ 143.998755][ T629] __kasan_slab_free+0x3f/0x60 [ 143.999036][ T629] kfree+0x21d/0x540 [ 143.999171][ T629] device_release+0x9c/0x210 [ 143.999364][ T629] kobject_cleanup+0xfe/0x360 [ 143.999542][ T629] netdev_run_todo+0x81f/0xc60 [ 143.999815][ T629] rtnl_dellink+0x350/0xa30 [ 143.999996][ T629] rtnetlink_rcv_msg+0x709/0xc00 [ 144.000174][ T629] netlink_rcv_skb+0x121/0x340 [ 144.000355][ T629] netlink_unicast+0x4aa/0x780 [ 144.000628][ T629] netlink_sendmsg+0x714/0xbd0 [ 144.000802][ T629] ____sys_sendmsg+0x3dd/0x890 [ 144.000981][ T629] ___sys_sendmsg+0xed/0x170 [ 144.001162][ T629] __sys_sendmsg+0x10b/0x1a0 [ 144.001444][ T629] do_syscall_64+0xc1/0xfd0 [ 144.001624][ T629] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 144.001851][ T629] [ 144.001941][ T629] Last potentially related work creation: [ 144.002129][ T629] kasan_save_stack+0x24/0x40 [ 144.002426][ T629] kasan_record_aux_stack+0x8c/0xa0 [ 144.002617][ T629] insert_work+0x34/0x230 [ 144.002753][ T629] __queue_work+0x5fd/0xab0 [ 144.002930][ T629] queue_work_on+0x84/0x90 [ 144.003121][ T629] fdb_delete+0x7bf/0xd50 [bridge] [ 144.003351][ T629] br_fdb_delete_by_port+0x1ce/0x260 [bridge] [ 144.003648][ T629] br_dev_delete+0xe0/0x1a0 [bridge] [ 144.003852][ T629] rtnl_dellink+0x334/0xa30 [ 144.004143][ T629] rtnetlink_rcv_msg+0x709/0xc00 [ 144.004327][ T629] netlink_rcv_skb+0x121/0x340 [ 144.004532][ T629] netlink_unicast+0x4aa/0x780 [ 144.004706][ T629] netlink_sendmsg+0x714/0xbd0 [ 144.004995][ T629] ____sys_sendmsg+0x3dd/0x890 [ 144.005204][ T629] ___sys_sendmsg+0xed/0x170 [ 144.005396][ T629] __sys_sendmsg+0x10b/0x1a0 [ 144.005582][ T629] do_syscall_64+0xc1/0xfd0 [ 144.005863][ T629] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 144.006153][ T629] [ 144.006275][ T629] Second to last potentially related work creation: [ 144.006505][ T629] kasan_save_stack+0x24/0x40 [ 144.006790][ T629] kasan_record_aux_stack+0x8c/0xa0 [ 144.006972][ T629] insert_work+0x34/0x230 [ 144.007122][ T629] __queue_work+0x5fd/0xab0 [ 144.007320][ T629] queue_work_on+0x84/0x90 [ 144.007595][ T629] fdb_create+0x1097/0x13f0 [bridge] [ 144.007854][ T629] fdb_add_local+0x18c/0x220 [bridge] [ 144.008146][ T629] br_fdb_add_local+0x39/0x50 [bridge] [ 144.008403][ T629] __vlan_add+0x15b0/0x2380 [bridge] [ 144.008752][ T629] br_vlan_add+0x215/0x860 [bridge] [ 144.008995][ T629] __br_vlan_set_default_pvid.part.0+0x3c6/0x920 [bridge] [ 144.009320][ T629] br_changelink+0x44d/0x1360 [bridge] [ 144.009564][ T629] __rtnl_newlink+0x4e1/0xa30 [ 144.009900][ T629] rtnl_newlink+0x693/0xa60 [ 144.010136][ T629] rtnetlink_rcv_msg+0x709/0xc00 [ 144.010355][ T629] netlink_rcv_skb+0x121/0x340 [ 144.010565][ T629] netlink_unicast+0x4aa/0x780 [ 144.010901][ T629] netlink_sendmsg+0x714/0xbd0 [ 144.011088][ T629] ____sys_sendmsg+0x3dd/0x890 [ 144.011286][ T629] ___sys_sendmsg+0xed/0x170 [ 144.011470][ T629] __sys_sendmsg+0x10b/0x1a0 [ 144.011753][ T629] do_syscall_64+0xc1/0xfd0 [ 144.011943][ T629] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 144.012206][ T629] [ 144.012317][ T629] The buggy address belongs to the object at ffff8880094a2000 [ 144.012317][ T629] which belongs to the cache kmalloc-8k of size 8192 [ 144.012892][ T629] The buggy address is located 1708 bytes inside of [ 144.012892][ T629] freed 8192-byte region [ffff8880094a2000, ffff8880094a4000) [ 144.013491][ T629] [ 144.013618][ T629] The buggy address belongs to the physical page: [ 144.013898][ T629] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x94a0 [ 144.014419][ T629] head: order:3 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 144.014780][ T629] flags: 0x80000000000040(head|node=0|zone=1) [ 144.015047][ T629] page_type: f5(slab) [ 144.015223][ T629] raw: 0080000000000040 ffff8880010438c0 ffffea00002af210 ffff888001041228 [ 144.015727][ T629] raw: 0000000000000000 0000000000010001 00000000f5000000 0000000000000000 [ 144.016081][ T629] head: 0080000000000040 ffff8880010438c0 ffffea00002af210 ffff888001041228 [ 144.016541][ T629] head: 0000000000000000 0000000000010001 00000000f5000000 0000000000000000 [ 144.016899][ T629] head: 0080000000000003 ffffea0000252801 00000000ffffffff 00000000ffffffff [ 144.017396][ T629] head: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000 [ 144.017722][ T629] page dumped because: kasan: bad access detected [ 144.017954][ T629] [ 144.018077][ T629] Memory state around the buggy address: [ 144.018393][ T629] ffff8880094a2580: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 144.018694][ T629] ffff8880094a2600: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 144.018975][ T629] >ffff8880094a2680: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 144.019302][ T629] ^ [ 144.019552][ T629] ffff8880094a2700: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 144.019810][ T629] ffff8880094a2780: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 144.020211][ T629] ================================================================== [ 144.021181][ T629] Disabling lock debugging due to kernel taint [ 144.021559][ T629] ------------[ cut here ]------------ [ 144.021730][ T629] refcount_t: underflow; use-after-free. [ 144.021941][ T629] WARNING: CPU: 1 PID: 629 at lib/refcount.c:28 refcount_warn_saturate+0x16f/0x1b0 [ 144.022515][ T629] Modules linked in: act_gact cls_flower sch_ingress bridge stp llc vrf veth [ 144.022880][ T629] CPU: 1 UID: 0 PID: 629 Comm: ip Tainted: G B 6.18.0-rc4-virtme #1 PREEMPT(full) [ 144.023330][ T629] Tainted: [B]=BAD_PAGE [ 144.023466][ T629] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 144.023734][ T629] RIP: 0010:refcount_warn_saturate+0x16f/0x1b0 [ 144.023955][ T629] Code: 7d 93 02 80 fb 01 0f 87 bb 99 d9 fe 83 e3 01 0f 85 51 ff ff ff c6 05 a8 7d 93 02 01 90 48 c7 c7 60 8d 65 84 e8 32 bf 18 ff 90 <0f> 0b 90 90 e9 33 ff ff ff 48 89 df e8 b0 63 a1 ff e9 ba fe ff ff [ 144.024719][ T629] RSP: 0018:ffffc9000126f1f0 EFLAGS: 00010286 [ 144.024956][ T629] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 144.025333][ T629] RDX: 0000000000000002 RSI: 0000000000000004 RDI: 0000000000000001 [ 144.025603][ T629] RBP: 0000000000000003 R08: 0000000000000000 R09: fffffbfff09fe134 [ 144.025869][ T629] R10: 0000000000000003 R11: ffffc9000126ed80 R12: 0000000000000001 [ 144.026181][ T629] R13: dffffc0000000000 R14: dead000000000122 R15: dead000000000100 [ 144.026463][ T629] FS: 00007fc173a46800(0000) GS:ffff8880afe72000(0000) knlGS:0000000000000000 [ 144.026783][ T629] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 144.027033][ T629] CR2: 00000000004e68c8 CR3: 0000000011416001 CR4: 0000000000772ef0 [ 144.027454][ T629] PKRU: 55555554 [ 144.027589][ T629] Call Trace: [ 144.027725][ T629] [ 144.027829][ T629] netdev_run_todo+0x5f0/0xc60 [ 144.028056][ T629] ? dev_ingress_queue_create+0x190/0x190 [ 144.028323][ T629] ? generic_xdp_install+0x410/0x410 [ 144.028492][ T629] ? kernfs_put.part.0+0x12d/0x480 [ 144.028678][ T629] ? unregister_netdevice_many+0x20/0x20 [ 144.028873][ T629] ? br_dev_delete+0x115/0x1a0 [bridge] [ 144.029105][ T629] rtnl_dellink+0x350/0xa30 [ 144.029299][ T629] ? valid_bridge_getlink_req.constprop.0+0x640/0x640 [ 144.029567][ T629] ? find_held_lock+0x2b/0x80 [ 144.029807][ T629] ? __lock_acquire+0x449/0x7e0 [ 144.030104][ T629] ? find_held_lock+0x2b/0x80 [ 144.030295][ T629] ? rtnetlink_rcv_msg+0x6e6/0xc00 [ 144.030500][ T629] ? __lock_release+0x5d/0x170 [ 144.030706][ T629] ? valid_bridge_getlink_req.constprop.0+0x640/0x640 [ 144.031068][ T629] rtnetlink_rcv_msg+0x709/0xc00 [ 144.031264][ T629] ? rtnl_port_fill+0x850/0x850 [ 144.031486][ T629] ? __lock_acquire+0x449/0x7e0 [ 144.031779][ T629] netlink_rcv_skb+0x121/0x340 [ 144.031964][ T629] ? rtnl_port_fill+0x850/0x850 [ 144.032145][ T629] ? netlink_ack+0xdd0/0xdd0 [ 144.032325][ T629] ? netlink_deliver_tap+0x13e/0x340 [ 144.032592][ T629] ? netlink_deliver_tap+0xc3/0x340 [ 144.032769][ T629] netlink_unicast+0x4aa/0x780 [ 144.032976][ T629] ? netlink_attachskb+0x810/0x810 [ 144.033169][ T629] ? __lock_acquire+0x449/0x7e0 [ 144.033445][ T629] netlink_sendmsg+0x714/0xbd0 [ 144.033618][ T629] ? netlink_unicast+0x780/0x780 [ 144.033786][ T629] ? __import_iovec+0x230/0x3b0 [ 144.033966][ T629] ? netlink_unicast+0x780/0x780 [ 144.034271][ T629] ____sys_sendmsg+0x3dd/0x890 [ 144.034460][ T629] ? get_timestamp.constprop.0+0x380/0x380 [ 144.034686][ T629] ? __copy_msghdr+0x3c0/0x3c0 [ 144.034875][ T629] ___sys_sendmsg+0xed/0x170 [ 144.035100][ T629] ? kasan_record_aux_stack+0x8c/0xa0 [ 144.035295][ T629] ? __call_rcu_common.constprop.0+0xa8/0x630 [ 144.035524][ T629] ? copy_msghdr_from_user+0x110/0x110 [ 144.035706][ T629] ? find_held_lock+0x2b/0x80 [ 144.036033][ T629] ? __lock_acquire+0x449/0x7e0 [ 144.036221][ T629] ? find_held_lock+0x2b/0x80 [ 144.036441][ T629] ? __virt_addr_valid+0x22a/0x450 [ 144.036621][ T629] ? __lock_release+0x5d/0x170 [ 144.036938][ T629] __sys_sendmsg+0x10b/0x1a0 [ 144.037186][ T629] ? __call_rcu_common.constprop.0+0x318/0x630 [ 144.037422][ T629] ? __sys_sendmsg_sock+0x20/0x20 [ 144.037680][ T629] ? rcu_is_watching+0x12/0xb0 [ 144.038049][ T629] do_syscall_64+0xc1/0xfd0 [ 144.038326][ T629] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 144.038690][ T629] RIP: 0033:0x7fc173c141d7 [ 144.039165][ T629] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 [ 144.040212][ T629] RSP: 002b:00007fffb3c43608 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 144.040851][ T629] RAX: ffffffffffffffda RBX: 00007fffb3c43d30 RCX: 00007fc173c141d7 [ 144.041275][ T629] RDX: 0000000000000000 RSI: 00007fffb3c43670 RDI: 0000000000000005 [ 144.041878][ T629] RBP: 0000000000000002 R08: 0000000000000003 R09: 0000000000000078 [ 144.042312][ T629] R10: 00007fc173b10f60 R11: 0000000000000246 R12: 0000000000000002 [ 144.042749][ T629] R13: 00000000690dead5 R14: 0000000000499600 R15: 0000000000000000 [ 144.043189][ T629] [ 144.043407][ T629] irq event stamp: 52093 [ 144.043622][ T629] hardirqs last enabled at (52093): [] finish_task_switch.isra.0+0x245/0x960 [ 144.044387][ T629] hardirqs last disabled at (52092): [] __schedule+0x94a/0x1b10 [ 144.044824][ T629] softirqs last enabled at (51920): [] handle_softirqs+0x352/0x610 [ 144.045341][ T629] softirqs last disabled at (51913): [] irq_exit_rcu+0xab/0x100 [ 144.045991][ T629] ---[ end trace 0000000000000000 ]---