T11] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 19.225198][ T11] ? __pfx_cleanup_net+0x10/0x10 [ 19.225332][ T11] ? trace_lock_acquire+0x148/0x1f0 [ 19.225470][ T11] ? lock_acquire+0x32/0xc0 [ 19.225605][ T11] ? process_one_work+0xe0b/0x16d0 [ 19.225744][ T11] process_one_work+0xe55/0x16d0 [ 19.225885][ T11] ? __pfx___lock_release+0x10/0x10 [ 19.226024][ T11] ? __pfx_process_one_work+0x10/0x10 [ 19.226165][ T11] ? assign_work+0x16c/0x240 [ 19.226302][ T11] worker_thread+0x58c/0xce0 [ 19.226441][ T11] ? __pfx_worker_thread+0x10/0x10 [ 19.226578][ T11] kthread+0x28a/0x350 [ 19.226685][ T11] ? __pfx_kthread+0x10/0x10 [ 19.226822][ T11] ret_from_fork+0x31/0x70 [ 19.226959][ T11] ? __pfx_kthread+0x10/0x10 [ 19.227095][ T11] ret_from_fork_asm+0x1a/0x30 [ 19.227236][ T11] [ 19.227344][ T11] [ 19.227414][ T11] Allocated by task 260: [ 19.227518][ T11] kasan_save_stack+0x24/0x50 [ 19.227655][ T11] kasan_save_track+0x14/0x30 [ 19.227788][ T11] __kasan_slab_alloc+0x59/0x70 [ 19.227924][ T11] kmem_cache_alloc_noprof+0x10b/0x350 [ 19.228062][ T11] copy_net_ns+0xc6/0x540 [ 19.228168][ T11] create_new_namespaces+0x35f/0x920 [ 19.228308][ T11] unshare_nsproxy_namespaces+0x8a/0x1b0 [ 19.228447][ T11] ksys_unshare+0x2c4/0x6e0 [ 19.228585][ T11] __x64_sys_unshare+0x31/0x40 [ 19.228720][ T11] do_syscall_64+0xc1/0x1d0 [ 19.228855][ T11] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 19.229029][ T11] [ 19.229098][ T11] Freed by task 11: [ 19.229204][ T11] kasan_save_stack+0x24/0x50 [ 19.229340][ T11] kasan_save_track+0x14/0x30 [ 19.229479][ T11] kasan_save_free_info+0x3b/0x60 [ 19.229616][ T11] __kasan_slab_free+0x38/0x50 [ 19.229753][ T11] kmem_cache_free+0xf8/0x330 [ 19.229898][ T11] cleanup_net+0x5a8/0xb90 [ 19.230033][ T11] process_one_work+0xe55/0x16d0 [ 19.230166][ T11] worker_thread+0x58c/0xce0 [ 19.230305][ T11] kthread+0x28a/0x350 [ 19.230410][ T11] ret_from_fork+0x31/0x70 [ 19.230547][ T11] ret_from_fork_asm+0x1a/0x30 [ 19.230686][ T11] [ 19.230758][ T11] Last potentially related work creation: [ 19.230893][ T11] kasan_save_stack+0x24/0x50 [ 19.231031][ T11] __kasan_record_aux_stack+0x8e/0xa0 [ 19.231170][ T11] insert_work+0x34/0x230 [ 19.231272][ T11] __queue_work+0x5fd/0xa40 [ 19.231407][ T11] queue_delayed_work_on+0x8c/0xa0 [ 19.231545][ T11] __inet_insert_ifa+0x751/0xb10 [ 19.231688][ T11] inet_rtm_newaddr+0x833/0xbd0 [ 19.231826][ T11] rtnetlink_rcv_msg+0x712/0xc10 [ 19.231962][ T11] netlink_rcv_skb+0x130/0x360 [ 19.232101][ T11] netlink_unicast+0x44b/0x710 [ 19.232241][ T11] netlink_sendmsg+0x723/0xbe0 [ 19.232376][ T11] ____sys_sendmsg+0x7ac/0xa10 [ 19.232514][ T11] ___sys_sendmsg+0xee/0x170 [ 19.232652][ T11] __sys_sendmsg+0x109/0x1a0 [ 19.232792][ T11] do_syscall_64+0xc1/0x1d0 [ 19.232931][ T11] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 19.233101][ T11] [ 19.233171][ T11] The buggy address belongs to the object at ffff888009710040 [ 19.233171][ T11] which belongs to the cache net_namespace of size 6528 [ 19.233527][ T11] The buggy address is located 184 bytes inside of [ 19.233527][ T11] freed 6528-byte region [ffff888009710040, ffff8880097119c0) [ 19.233855][ T11] [ 19.233926][ T11] The buggy address belongs to the physical page: [ 19.234092][ T11] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0xffff888009715140 pfn:0x9710 [ 19.234368][ T11] head: order:3 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 19.234574][ T11] flags: 0x80000000000240(workingset|head|node=0|zone=1) [ 19.234750][ T11] page_type: f5(slab) [ 19.234857][ T11] raw: 0080000000000240 ffff888001975240 ffff88800197a088 ffff88800197a088 [ 19.235102][ T11] raw: ffff888009715140 0000000000040003 00000001f5000000 0000000000000000 [ 19.235341][ T11] head: 0080000000000240 ffff888001975240 ffff88800197a088 ffff88800197a088 [ 19.235584][ T11] head: ffff888009715140 0000000000040003 00000001f5000000 0000000000000000 [ 19.235827][ T11] head: 0080000000000003 ffffea000025c401 ffffffffffffffff 0000000000000000 [ 19.236068][ T11] head: 0000000000000008 0000000000000000 00000000ffffffff 0000000000000000 [ 19.236307][ T11] page dumped because: kasan: bad access detected [ 19.236476][ T11] [ 19.236545][ T11] Memory state around the buggy address: [ 19.236681][ T11] ffff88800970ff80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 19.236880][ T11] ffff888009710000: fc fc fc fc fc fc fc fc fa fb fb fb fb fb fb fb [ 19.237076][ T11] >ffff888009710080: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 19.237274][ T11] ^ [ 19.237472][ T11] ffff888009710100: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 19.237670][ T11] ffff888009710180: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 19.237864][ T11] ================================================================== [ 19.238085][ T11] Disabling lock debugging due to kernel taint