[ 44.772688][ T514] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this. [ 45.083427][ T519] br0: port 1(veth0) entered blocking state [ 45.083971][ T519] br0: port 1(veth0) entered disabled state [ 45.084355][ T519] veth0: entered allmulticast mode [ 45.086714][ T519] veth0: entered promiscuous mode [ 45.403060][ T522] br0: port 1(veth0) entered blocking state [ 45.403496][ T522] br0: port 1(veth0) entered forwarding state [ 48.870077][ T567] veth0: left allmulticast mode [ 48.870344][ T567] veth0: left promiscuous mode [ 48.870691][ T567] br0: port 1(veth0) entered disabled state [ 49.135576][ T570] 8021q: 802.1Q VLAN Support v1.8 [ 49.455578][ T574] br0: port 1(veth0.10) entered blocking state [ 49.456351][ T574] br0: port 1(veth0.10) entered disabled state [ 49.456676][ T574] veth0.10: entered allmulticast mode [ 49.456882][ T574] veth0: entered allmulticast mode [ 49.458831][ T574] veth0.10: entered promiscuous mode [ 49.459064][ T574] veth0: entered promiscuous mode [ 49.460302][ T574] br0: port 1(veth0.10) entered blocking state [ 49.460635][ T574] br0: port 1(veth0.10) entered forwarding state [ 53.435901][ T625] veth0: left allmulticast mode [ 53.436222][ T625] veth0: left promiscuous mode [ 53.439138][ T625] br0: port 1(veth0.10) entered disabled state [ 53.449656][ T625] ip (625) used greatest stack depth: 23504 bytes left [ 53.677468][ T627] veth0.10 (unregistering): left allmulticast mode [ 53.678051][ T627] veth0.10 (unregistering): left promiscuous mode [ 53.678345][ T627] br0: port 1(veth0.10) entered disabled state [ 56.073707][ T650] Initializing XFRM netlink socket [ 94.942626][ T946] br0: port 1(veth0) entered blocking state [ 94.942988][ T946] br0: port 1(veth0) entered disabled state [ 94.943272][ T946] veth0: entered allmulticast mode [ 94.945239][ T946] veth0: entered promiscuous mode [ 95.268795][ T949] br0: port 1(veth0) entered blocking state [ 95.269134][ T949] br0: port 1(veth0) entered forwarding state [ 100.570038][ T994] veth0: left allmulticast mode [ 100.570348][ T994] veth0: left promiscuous mode [ 100.570688][ T994] br0: port 1(veth0) entered disabled state [ 101.202538][ T999] br0: port 1(veth0.10) entered blocking state [ 101.203046][ T999] br0: port 1(veth0.10) entered disabled state [ 101.203495][ T999] veth0.10: entered allmulticast mode [ 101.203821][ T999] veth0: entered allmulticast mode [ 101.206858][ T999] veth0.10: entered promiscuous mode [ 101.207216][ T999] veth0: entered promiscuous mode [ 101.209154][ T999] br0: port 1(veth0.10) entered blocking state [ 101.209580][ T999] br0: port 1(veth0.10) entered forwarding state [ 106.930614][ T1050] veth0: left allmulticast mode [ 106.930902][ T1050] veth0: left promiscuous mode [ 106.932588][ T1050] br0: port 1(veth0.10) entered disabled state [ 107.185394][ T1052] veth0.10 (unregistering): left allmulticast mode [ 107.185765][ T1052] veth0.10 (unregistering): left promiscuous mode [ 107.186046][ T1052] br0: port 1(veth0.10) entered disabled state [ 119.987298][ T67] ================================================================== [ 119.987573][ T67] BUG: KASAN: slab-use-after-free in cleanup_net+0x932/0xa40 [ 119.987799][ T67] Read of size 8 at addr ffff88800f2500f8 by task kworker/u16:1/67 [ 119.988007][ T67] [ 119.988085][ T67] CPU: 1 UID: 0 PID: 67 Comm: kworker/u16:1 Not tainted 6.12.0-virtme #1 [ 119.988308][ T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 119.988493][ T67] Workqueue: netns cleanup_net [ 119.988651][ T67] Call Trace: [ 119.988762][ T67] [ 119.988840][ T67] dump_stack_lvl+0x82/0xd0 [ 119.988988][ T67] print_address_description.constprop.0+0x2c/0x3b0 [ 119.989191][ T67] ? cleanup_net+0x932/0xa40 [ 119.989343][ T67] print_report+0xb4/0x270 [ 119.989492][ T67] ? kasan_addr_to_slab+0x25/0x80 [ 119.989636][ T67] kasan_report+0xbd/0xf0 [ 119.989746][ T67] ? cleanup_net+0x932/0xa40 [ 119.989890][ T67] cleanup_net+0x932/0xa40 [ 119.990035][ T67] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 119.990194][ T67] ? __pfx_cleanup_net+0x10/0x10 [ 119.990336][ T67] ? trace_lock_acquire+0x148/0x1f0 [ 119.990515][ T67] ? lock_acquire+0x32/0xc0 [ 119.990682][ T67] ? process_one_work+0xe0b/0x16d0 [ 119.990851][ T67] process_one_work+0xe55/0x16d0 [ 119.991012][ T67] ? __pfx___lock_release+0x10/0x10 [ 119.991169][ T67] ? __pfx_process_one_work+0x10/0x10 [ 119.991335][ T67] ? assign_work+0x16c/0x240 [ 119.991497][ T67] worker_thread+0x58c/0xce0 [ 119.991656][ T67] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 119.991859][ T67] ? __pfx_worker_thread+0x10/0x10 [ 119.992021][ T67] ? __pfx_worker_thread+0x10/0x10 [ 119.992177][ T67] kthread+0x28a/0x350 [ 119.992301][ T67] ? __pfx_kthread+0x10/0x10 [ 119.992457][ T67] ret_from_fork+0x31/0x70 [ 119.992625][ T67] ? __pfx_kthread+0x10/0x10 [ 119.992781][ T67] ret_from_fork_asm+0x1a/0x30 [ 119.992941][ T67] [ 119.993062][ T67] [ 119.993143][ T67] Allocated by task 720: [ 119.993261][ T67] kasan_save_stack+0x24/0x50 [ 119.993428][ T67] kasan_save_track+0x14/0x30 [ 119.993594][ T67] __kasan_slab_alloc+0x59/0x70 [ 119.993754][ T67] kmem_cache_alloc_noprof+0x10b/0x350 [ 119.993915][ T67] copy_net_ns+0xc6/0x340 [ 119.994039][ T67] create_new_namespaces+0x35f/0x920 [ 119.994202][ T67] unshare_nsproxy_namespaces+0x8d/0x130 [ 119.994355][ T67] ksys_unshare+0x2a9/0x660 [ 119.994522][ T67] __x64_sys_unshare+0x31/0x40 [ 119.994683][ T67] do_syscall_64+0xc1/0x1d0 [ 119.994837][ T67] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 119.995038][ T67] [ 119.995119][ T67] Freed by task 67: [ 119.995239][ T67] kasan_save_stack+0x24/0x50 [ 119.995391][ T67] kasan_save_track+0x14/0x30 [ 119.995536][ T67] kasan_save_free_info+0x3b/0x60 [ 119.995683][ T67] __kasan_slab_free+0x38/0x50 [ 119.995821][ T67] kmem_cache_free+0xf8/0x330 [ 119.995972][ T67] cleanup_net+0x5a8/0xa40 [ 119.996119][ T67] process_one_work+0xe55/0x16d0 [ 119.996277][ T67] worker_thread+0x58c/0xce0 [ 119.996428][ T67] kthread+0x28a/0x350 [ 119.996534][ T67] ret_from_fork+0x31/0x70 [ 119.996679][ T67] ret_from_fork_asm+0x1a/0x30 [ 119.996833][ T67] [ 119.996907][ T67] Last potentially related work creation: [ 119.997046][ T67] kasan_save_stack+0x24/0x50 [ 119.997194][ T67] __kasan_record_aux_stack+0x8e/0xa0 [ 119.997341][ T67] insert_work+0x34/0x230 [ 119.997450][ T67] __queue_work+0x5fd/0xa40 [ 119.997589][ T67] queue_delayed_work_on+0x8c/0xa0 [ 119.997731][ T67] __inet_insert_ifa+0x751/0xb10 [ 119.997875][ T67] inet_rtm_newaddr+0x833/0xbd0 [ 119.998017][ T67] rtnetlink_rcv_msg+0x712/0xc10 [ 119.998160][ T67] netlink_rcv_skb+0x130/0x360 [ 119.998308][ T67] netlink_unicast+0x44b/0x710 [ 119.998454][ T67] netlink_sendmsg+0x723/0xbe0 [ 119.998598][ T67] ____sys_sendmsg+0x7ac/0xa10 [ 119.998744][ T67] ___sys_sendmsg+0xee/0x170 [ 119.998890][ T67] __sys_sendmsg+0x109/0x1a0 [ 119.999032][ T67] do_syscall_64+0xc1/0x1d0 [ 119.999181][ T67] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 119.999378][ T67] [ 119.999460][ T67] Second to last potentially related work creation: [ 119.999655][ T67] kasan_save_stack+0x24/0x50 [ 119.999817][ T67] __kasan_record_aux_stack+0x8e/0xa0 [ 119.999973][ T67] insert_work+0x34/0x230 [ 120.000091][ T67] __queue_work+0x5fd/0xa40 [ 120.000247][ T67] queue_delayed_work_on+0x8c/0xa0 [ 120.000399][ T67] __inet_insert_ifa+0x751/0xb10 [ 120.000553][ T67] inet_rtm_newaddr+0x833/0xbd0 [ 120.000708][ T67] rtnetlink_rcv_msg+0x712/0xc10 [ 120.000848][ T67] netlink_rcv_skb+0x130/0x360 [ 120.000989][ T67] netlink_unicast+0x44b/0x710 [ 120.001129][ T67] netlink_sendmsg+0x723/0xbe0 [ 120.001275][ T67] ____sys_sendmsg+0x7ac/0xa10 [ 120.001417][ T67] ___sys_sendmsg+0xee/0x170 [ 120.001559][ T67] __sys_sendmsg+0x109/0x1a0 [ 120.001715][ T67] do_syscall_64+0xc1/0x1d0 [ 120.001863][ T67] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 120.002058][ T67] [ 120.002130][ T67] The buggy address belongs to the object at ffff88800f250040 [ 120.002130][ T67] which belongs to the cache net_namespace of size 6592 [ 120.002542][ T67] The buggy address is located 184 bytes inside of [ 120.002542][ T67] freed 6592-byte region [ffff88800f250040, ffff88800f251a00) [ 120.002919][ T67] [ 120.003000][ T67] The buggy address belongs to the physical page: [ 120.003184][ T67] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0xf250 [ 120.003438][ T67] head: order:3 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 120.003661][ T67] flags: 0x80000000000040(head|node=0|zone=1) [ 120.003852][ T67] page_type: f5(slab) [ 120.003981][ T67] raw: 0080000000000040 ffff888001963240 ffffea0000127210 ffff8880019680a8 [ 120.004258][ T67] raw: 0000000000000000 0000000000040004 00000001f5000000 0000000000000000 [ 120.004528][ T67] head: 0080000000000040 ffff888001963240 ffffea0000127210 ffff8880019680a8 [ 120.004798][ T67] head: 0000000000000000 0000000000040004 00000001f5000000 0000000000000000 [ 120.005062][ T67] head: 0080000000000003 ffffea00003c9401 ffffffffffffffff 0000000000000000 [ 120.005326][ T67] head: 0000000000000008 0000000000000000 00000000ffffffff 0000000000000000 [ 120.005585][ T67] page dumped because: kasan: bad access detected [ 120.005767][ T67] [ 120.005840][ T67] Memory state around the buggy address: [ 120.005980][ T67] ffff88800f24ff80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 120.006198][ T67] ffff88800f250000: fc fc fc fc fc fc fc fc fa fb fb fb fb fb fb fb [ 120.006418][ T67] >ffff88800f250080: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 120.006621][ T67] ^ [ 120.006834][ T67] ffff88800f250100: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 120.007041][ T67] ffff88800f250180: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 120.007244][ T67] ================================================================== [ 120.007553][ T67] Disabling lock debugging due to kernel taint