[ 40.291900][ T512] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this. [ 40.606531][ T517] br0: port 1(veth0) entered blocking state [ 40.607007][ T517] br0: port 1(veth0) entered disabled state [ 40.607362][ T517] veth0: entered allmulticast mode [ 40.609334][ T517] veth0: entered promiscuous mode [ 40.895011][ T520] br0: port 1(veth0) entered blocking state [ 40.895536][ T520] br0: port 1(veth0) entered forwarding state [ 44.340710][ T565] veth0: left allmulticast mode [ 44.340989][ T565] veth0: left promiscuous mode [ 44.341695][ T565] br0: port 1(veth0) entered disabled state [ 44.352741][ T565] ip (565) used greatest stack depth: 24336 bytes left [ 44.594975][ T568] 8021q: 802.1Q VLAN Support v1.8 [ 44.893249][ T572] br0: port 1(veth0.10) entered blocking state [ 44.893544][ T572] br0: port 1(veth0.10) entered disabled state [ 44.894331][ T572] veth0.10: entered allmulticast mode [ 44.894521][ T572] veth0: entered allmulticast mode [ 44.896596][ T572] veth0.10: entered promiscuous mode [ 44.896810][ T572] veth0: entered promiscuous mode [ 44.898461][ T572] br0: port 1(veth0.10) entered blocking state [ 44.898726][ T572] br0: port 1(veth0.10) entered forwarding state [ 44.907686][ T572] ip (572) used greatest stack depth: 23680 bytes left [ 48.650928][ T623] veth0: left allmulticast mode [ 48.651228][ T623] veth0: left promiscuous mode [ 48.653046][ T623] br0: port 1(veth0.10) entered disabled state [ 48.866129][ T625] veth0.10 (unregistering): left allmulticast mode [ 48.866542][ T625] veth0.10 (unregistering): left promiscuous mode [ 48.866861][ T625] br0: port 1(veth0.10) entered disabled state [ 49.085748][ T626] ip (626) used greatest stack depth: 23104 bytes left [ 50.917636][ T648] Initializing XFRM netlink socket [ 96.792093][ T952] br0: port 1(veth0) entered blocking state [ 96.792413][ T952] br0: port 1(veth0) entered disabled state [ 96.792695][ T952] veth0: entered allmulticast mode [ 96.794986][ T952] veth0: entered promiscuous mode [ 97.072590][ T955] br0: port 1(veth0) entered blocking state [ 97.072921][ T955] br0: port 1(veth0) entered forwarding state [ 103.775372][ T1000] veth0: left allmulticast mode [ 103.775614][ T1000] veth0: left promiscuous mode [ 103.776009][ T1000] br0: port 1(veth0) entered disabled state [ 104.257837][ T1005] br0: port 1(veth0.10) entered blocking state [ 104.258186][ T1005] br0: port 1(veth0.10) entered disabled state [ 104.258450][ T1005] veth0.10: entered allmulticast mode [ 104.258619][ T1005] veth0: entered allmulticast mode [ 104.260468][ T1005] veth0.10: entered promiscuous mode [ 104.260657][ T1005] veth0: entered promiscuous mode [ 104.269946][ T1005] br0: port 1(veth0.10) entered blocking state [ 104.270201][ T1005] br0: port 1(veth0.10) entered forwarding state [ 111.413560][ T1056] veth0: left allmulticast mode [ 111.413881][ T1056] veth0: left promiscuous mode [ 111.416245][ T1056] br0: port 1(veth0.10) entered disabled state [ 111.633692][ T1058] veth0.10 (unregistering): left allmulticast mode [ 111.634012][ T1058] veth0.10 (unregistering): left promiscuous mode [ 111.634283][ T1058] br0: port 1(veth0.10) entered disabled state [ 127.541140][ T11] ================================================================== [ 127.541379][ T11] BUG: KASAN: slab-use-after-free in cleanup_net+0x932/0xa40 [ 127.541574][ T11] Read of size 8 at addr ffff88800f3780f8 by task kworker/u16:0/11 [ 127.541756][ T11] [ 127.541822][ T11] CPU: 2 UID: 0 PID: 11 Comm: kworker/u16:0 Not tainted 6.12.0-virtme #1 [ 127.542010][ T11] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 127.542163][ T11] Workqueue: netns cleanup_net [ 127.542292][ T11] Call Trace: [ 127.542392][ T11] [ 127.542461][ T11] dump_stack_lvl+0x82/0xd0 [ 127.542596][ T11] print_address_description.constprop.0+0x2c/0x3b0 [ 127.542758][ T11] ? cleanup_net+0x932/0xa40 [ 127.542882][ T11] print_report+0xb4/0x270 [ 127.543003][ T11] ? kasan_addr_to_slab+0x25/0x80 [ 127.543126][ T11] kasan_report+0xbd/0xf0 [ 127.543224][ T11] ? cleanup_net+0x932/0xa40 [ 127.543356][ T11] cleanup_net+0x932/0xa40 [ 127.543483][ T11] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 127.543613][ T11] ? __pfx_cleanup_net+0x10/0x10 [ 127.543738][ T11] ? trace_lock_acquire+0x148/0x1f0 [ 127.543868][ T11] ? lock_acquire+0x32/0xc0 [ 127.543998][ T11] ? process_one_work+0xe0b/0x16d0 [ 127.544126][ T11] process_one_work+0xe55/0x16d0 [ 127.544253][ T11] ? __pfx___lock_release+0x10/0x10 [ 127.544375][ T11] ? __pfx_process_one_work+0x10/0x10 [ 127.544502][ T11] ? assign_work+0x16c/0x240 [ 127.544624][ T11] worker_thread+0x58c/0xce0 [ 127.544755][ T11] ? __pfx_worker_thread+0x10/0x10 [ 127.544882][ T11] kthread+0x28a/0x350 [ 127.544976][ T11] ? __pfx_kthread+0x10/0x10 [ 127.545097][ T11] ret_from_fork+0x31/0x70 [ 127.545223][ T11] ? __pfx_kthread+0x10/0x10 [ 127.545351][ T11] ret_from_fork_asm+0x1a/0x30 [ 127.545482][ T11] [ 127.545576][ T11] [ 127.545639][ T11] Allocated by task 718: [ 127.545736][ T11] kasan_save_stack+0x24/0x50 [ 127.545865][ T11] kasan_save_track+0x14/0x30 [ 127.545993][ T11] __kasan_slab_alloc+0x59/0x70 [ 127.546116][ T11] kmem_cache_alloc_noprof+0x10b/0x350 [ 127.546242][ T11] copy_net_ns+0xc6/0x340 [ 127.546334][ T11] create_new_namespaces+0x35f/0x920 [ 127.546460][ T11] unshare_nsproxy_namespaces+0x8d/0x130 [ 127.546586][ T11] ksys_unshare+0x2a9/0x660 [ 127.546715][ T11] __x64_sys_unshare+0x31/0x40 [ 127.546840][ T11] do_syscall_64+0xc1/0x1d0 [ 127.546968][ T11] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 127.547122][ T11] [ 127.547186][ T11] Freed by task 11: [ 127.547278][ T11] kasan_save_stack+0x24/0x50 [ 127.547400][ T11] kasan_save_track+0x14/0x30 [ 127.547526][ T11] kasan_save_free_info+0x3b/0x60 [ 127.547652][ T11] __kasan_slab_free+0x38/0x50 [ 127.547773][ T11] kmem_cache_free+0xf8/0x330 [ 127.547895][ T11] cleanup_net+0x5a8/0xa40 [ 127.548019][ T11] process_one_work+0xe55/0x16d0 [ 127.548143][ T11] worker_thread+0x58c/0xce0 [ 127.548264][ T11] kthread+0x28a/0x350 [ 127.548358][ T11] ret_from_fork+0x31/0x70 [ 127.548483][ T11] ret_from_fork_asm+0x1a/0x30 [ 127.548606][ T11] [ 127.548668][ T11] Last potentially related work creation: [ 127.548793][ T11] kasan_save_stack+0x24/0x50 [ 127.548917][ T11] __kasan_record_aux_stack+0x8e/0xa0 [ 127.549048][ T11] insert_work+0x34/0x230 [ 127.549140][ T11] __queue_work+0x5fd/0xa40 [ 127.549263][ T11] queue_delayed_work_on+0x8c/0xa0 [ 127.549389][ T11] __inet_insert_ifa+0x751/0xb10 [ 127.549514][ T11] inet_rtm_newaddr+0x833/0xbd0 [ 127.549637][ T11] rtnetlink_rcv_msg+0x712/0xc10 [ 127.549767][ T11] netlink_rcv_skb+0x130/0x360 [ 127.549891][ T11] netlink_unicast+0x44b/0x710 [ 127.550027][ T11] netlink_sendmsg+0x723/0xbe0 [ 127.550151][ T11] ____sys_sendmsg+0x7ac/0xa10 [ 127.550276][ T11] ___sys_sendmsg+0xee/0x170 [ 127.550407][ T11] __sys_sendmsg+0x109/0x1a0 [ 127.550533][ T11] do_syscall_64+0xc1/0x1d0 [ 127.550658][ T11] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 127.550813][ T11] [ 127.550875][ T11] Second to last potentially related work creation: [ 127.551025][ T11] kasan_save_stack+0x24/0x50 [ 127.551151][ T11] __kasan_record_aux_stack+0x8e/0xa0 [ 127.551275][ T11] insert_work+0x34/0x230 [ 127.551373][ T11] __queue_work+0x5fd/0xa40 [ 127.551498][ T11] queue_delayed_work_on+0x8c/0xa0 [ 127.551624][ T11] __inet_insert_ifa+0x751/0xb10 [ 127.551747][ T11] inet_rtm_newaddr+0x833/0xbd0 [ 127.551870][ T11] rtnetlink_rcv_msg+0x712/0xc10 [ 127.551997][ T11] netlink_rcv_skb+0x130/0x360 [ 127.552122][ T11] netlink_unicast+0x44b/0x710 [ 127.552246][ T11] netlink_sendmsg+0x723/0xbe0 [ 127.552376][ T11] ____sys_sendmsg+0x7ac/0xa10 [ 127.552504][ T11] ___sys_sendmsg+0xee/0x170 [ 127.552626][ T11] __sys_sendmsg+0x109/0x1a0 [ 127.552749][ T11] do_syscall_64+0xc1/0x1d0 [ 127.552875][ T11] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 127.553033][ T11] [ 127.553096][ T11] The buggy address belongs to the object at ffff88800f378040 [ 127.553096][ T11] which belongs to the cache net_namespace of size 6592 [ 127.553423][ T11] The buggy address is located 184 bytes inside of [ 127.553423][ T11] freed 6592-byte region [ffff88800f378040, ffff88800f379a00) [ 127.553719][ T11] [ 127.553782][ T11] The buggy address belongs to the physical page: [ 127.553932][ T11] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0xf378 [ 127.554151][ T11] head: order:3 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 127.554336][ T11] flags: 0x80000000000040(head|node=0|zone=1) [ 127.554495][ T11] page_type: f5(slab) [ 127.554591][ T11] raw: 0080000000000040 ffff888001963240 ffffea0000146c10 ffff8880019680a8 [ 127.554814][ T11] raw: 0000000000000000 0000000000040004 00000001f5000000 0000000000000000 [ 127.555037][ T11] head: 0080000000000040 ffff888001963240 ffffea0000146c10 ffff8880019680a8 [ 127.555258][ T11] head: 0000000000000000 0000000000040004 00000001f5000000 0000000000000000 [ 127.555472][ T11] head: 0080000000000003 ffffea00003cde01 ffffffffffffffff 0000000000000000 [ 127.555688][ T11] head: 0000000000000008 0000000000000000 00000000ffffffff 0000000000000000 [ 127.555976][ T11] page dumped because: kasan: bad access detected [ 127.556188][ T11] [ 127.556252][ T11] Memory state around the buggy address: [ 127.556368][ T11] ffff88800f377f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 127.556546][ T11] ffff88800f378000: fc fc fc fc fc fc fc fc fa fb fb fb fb fb fb fb [ 127.556720][ T11] >ffff88800f378080: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 127.556901][ T11] ^ [ 127.557078][ T11] ffff88800f378100: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 127.557313][ T11] ffff88800f378180: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 127.557486][ T11] ================================================================== [ 127.557791][ T11] Disabling lock debugging due to kernel taint