team0 (unregistering): Port device team_slave_0 removed bond0 (unregistering): Releasing backup interface bond_slave_1 bond0 (unregistering): Releasing backup interface bond_slave_0 bond0 (unregistering): Released all slaves ================================================================== BUG: KASAN: use-after-free in __list_del_entry_valid+0xe6/0xf5 lib/list_debug.c:51 Read of size 8 at addr ffff888087f85c98 by task kworker/u4:3/2237 CPU: 1 PID: 2237 Comm: kworker/u4:3 Not tainted 4.14.113 #3 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: netns cleanup_net Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x138/0x19c lib/dump_stack.c:53 print_address_description.cold+0x7c/0x1dc mm/kasan/report.c:252 kasan_report_error mm/kasan/report.c:351 [inline] kasan_report mm/kasan/report.c:409 [inline] kasan_report.cold+0xaf/0x2b5 mm/kasan/report.c:393 __asan_report_load8_noabort+0x14/0x20 mm/kasan/report.c:430 __list_del_entry_valid+0xe6/0xf5 lib/list_debug.c:51 __list_del_entry include/linux/list.h:117 [inline] list_del include/linux/list.h:125 [inline] rds_tcp_conn_free+0x90/0x1d0 net/rds/tcp.c:310 rds_conn_path_destroy net/rds/connection.c:408 [inline] rds_conn_destroy+0x4c1/0x750 net/rds/connection.c:439 rds_tcp_kill_sock net/rds/tcp.c:545 [inline] rds_tcp_dev_event+0x7b7/0xa70 net/rds/tcp.c:573 notifier_call_chain+0x116/0x1b0 kernel/notifier.c:93 __raw_notifier_call_chain kernel/notifier.c:394 [inline] raw_notifier_call_chain+0x2e/0x40 kernel/notifier.c:401 call_netdevice_notifiers_info+0x56/0x70 net/core/dev.c:1671 call_netdevice_notifiers net/core/dev.c:1687 [inline] netdev_run_todo+0x215/0x770 net/core/dev.c:7904 rtnl_unlock+0xe/0x10 net/core/rtnetlink.c:106 default_device_exit_batch+0x32a/0x3d0 net/core/dev.c:8722 ops_exit_list.isra.0+0x105/0x160 net/core/net_namespace.c:145 cleanup_net+0x3ba/0x880 net/core/net_namespace.c:484 process_one_work+0x868/0x1610 kernel/workqueue.c:2114 worker_thread+0x5d9/0x1050 kernel/workqueue.c:2248 kthread+0x31c/0x430 kernel/kthread.c:232 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:402 Allocated by task 14144: save_stack_trace+0x16/0x20 arch/x86/kernel/stacktrace.c:59 save_stack+0x45/0xd0 mm/kasan/kasan.c:447 set_track mm/kasan/kasan.c:459 [inline] kasan_kmalloc mm/kasan/kasan.c:551 [inline] kasan_kmalloc+0xce/0xf0 mm/kasan/kasan.c:529 kasan_slab_alloc+0xf/0x20 mm/kasan/kasan.c:489 kmem_cache_alloc+0x12e/0x780 mm/slab.c:3552 rds_tcp_conn_alloc+0x4f/0x290 net/rds/tcp.c:279 __rds_conn_create+0xc57/0x1770 net/rds/connection.c:223 rds_conn_create_outgoing+0x3b/0x50 net/rds/connection.c:303 rds_sendmsg+0xa90/0x1db0 net/rds/send.c:1120 sock_sendmsg_nosec net/socket.c:646 [inline] sock_sendmsg+0xd0/0x110 net/socket.c:656 SYSC_sendto+0x206/0x310 net/socket.c:1763 SyS_sendto+0x40/0x50 net/socket.c:1731 do_syscall_64+0x1eb/0x630 arch/x86/entry/common.c:289 entry_SYSCALL_64_after_hwframe+0x42/0xb7 Freed by task 2237: save_stack_trace+0x16/0x20 arch/x86/kernel/stacktrace.c:59 save_stack+0x45/0xd0 mm/kasan/kasan.c:447 set_track mm/kasan/kasan.c:459 [inline] kasan_slab_free+0x75/0xc0 mm/kasan/kasan.c:524 __cache_free mm/slab.c:3496 [inline] kmem_cache_free+0x83/0x2b0 mm/slab.c:3758 rds_tcp_conn_free+0x73/0x1d0 net/rds/tcp.c:313 rds_conn_path_destroy net/rds/connection.c:408 [inline] rds_conn_destroy+0x4c1/0x750 net/rds/connection.c:439 rds_tcp_kill_sock net/rds/tcp.c:545 [inline] rds_tcp_dev_event+0x7b7/0xa70 net/rds/tcp.c:573 notifier_call_chain+0x116/0x1b0 kernel/notifier.c:93 __raw_notifier_call_chain kernel/notifier.c:394 [inline] raw_notifier_call_chain+0x2e/0x40 kernel/notifier.c:401 call_netdevice_notifiers_info+0x56/0x70 net/core/dev.c:1671 call_netdevice_notifiers net/core/dev.c:1687 [inline] netdev_run_todo+0x215/0x770 net/core/dev.c:7904 rtnl_unlock+0xe/0x10 net/core/rtnetlink.c:106 default_device_exit_batch+0x32a/0x3d0 net/core/dev.c:8722 ops_exit_list.isra.0+0x105/0x160 net/core/net_namespace.c:145 cleanup_net+0x3ba/0x880 net/core/net_namespace.c:484 process_one_work+0x868/0x1610 kernel/workqueue.c:2114 worker_thread+0x5d9/0x1050 kernel/workqueue.c:2248 kthread+0x31c/0x430 kernel/kthread.c:232 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:402 The buggy address belongs to the object at ffff888087f85c98 which belongs to the cache rds_tcp_connection of size 504 The buggy address is located 0 bytes inside of 504-byte region [ffff888087f85c98, ffff888087f85e90) The buggy address belongs to the page: page:ffffea00021fe140 count:1 mapcount:0 mapping:ffff888087f85040 index:0x0 flags: 0x1fffc0000000100(slab) raw: 01fffc0000000100 ffff888087f85040 0000000000000000 0000000100000006 raw: ffff88809b659348 ffffea000169e2e0 ffff8882161e64c0 0000000000000000 page dumped because: kasan: bad access detected Memory state around the buggy address: ffff888087f85b80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff888087f85c00: fb fb fb fc fc fc fc fc fc fc fc fc fc fc fc fc >ffff888087f85c80: fc fc fc fb fb fb fb fb fb fb fb fb fb fb fb fb ^ ffff888087f85d00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff888087f85d80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ==================================================================