[ 56.721020][ T1009] u32 classifier [ 56.721196][ T1009] input device check on [ 56.721382][ T1009] Actions configured [ 57.834696][ T1028] gre: GRE over IPv4 demultiplexor driver [ 57.853912][ T1028] ip_gre: GRE over IPv4 tunneling driver [ 58.986960][ T1058] ip (1058) used greatest stack depth: 23872 bytes left [ 60.781960][ T1090] ip6_gre: GRE over IPv6 tunneling driver [ 61.023407][ T9] ip6_tunnel: ip6gretap00 xmit: Local address not yet configured! [ 61.090479][ T9] ip6_tunnel: ip6gretap00 xmit: Local address not yet configured! [ 61.482393][ T11] ================================================================== [ 61.482630][ T11] BUG: KASAN: slab-use-after-free in cleanup_net+0xa5d/0xb90 [ 61.482826][ T11] Read of size 8 at addr ffff88800ed680f8 by task kworker/u16:0/11 [ 61.483012][ T11] [ 61.483080][ T11] CPU: 2 UID: 0 PID: 11 Comm: kworker/u16:0 Not tainted 6.12.0-virtme #1 [ 61.483270][ T11] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 61.483427][ T11] Workqueue: netns cleanup_net [ 61.483559][ T11] Call Trace: [ 61.483667][ T11] [ 61.483733][ T11] dump_stack_lvl+0x82/0xd0 [ 61.483866][ T11] print_address_description.constprop.0+0x2c/0x3b0 [ 61.484025][ T11] ? cleanup_net+0xa5d/0xb90 [ 61.484154][ T11] print_report+0xb4/0x270 [ 61.484280][ T11] ? kasan_addr_to_slab+0x25/0x80 [ 61.484403][ T11] kasan_report+0xbd/0xf0 [ 61.484506][ T11] ? cleanup_net+0xa5d/0xb90 [ 61.484636][ T11] cleanup_net+0xa5d/0xb90 [ 61.484764][ T11] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 61.484898][ T11] ? __pfx_cleanup_net+0x10/0x10 [ 61.485023][ T11] ? trace_lock_acquire+0x148/0x1f0 [ 61.485156][ T11] ? lock_acquire+0x32/0xc0 [ 61.485284][ T11] ? process_one_work+0xe0b/0x16d0 [ 61.485412][ T11] process_one_work+0xe55/0x16d0 [ 61.485547][ T11] ? __pfx___lock_release+0x10/0x10 [ 61.485677][ T11] ? __pfx_process_one_work+0x10/0x10 [ 61.485803][ T11] ? assign_work+0x16c/0x240 [ 61.485930][ T11] worker_thread+0x58c/0xce0 [ 61.486058][ T11] ? __pfx_worker_thread+0x10/0x10 [ 61.486182][ T11] kthread+0x28a/0x350 [ 61.486278][ T11] ? __pfx_kthread+0x10/0x10 [ 61.486400][ T11] ret_from_fork+0x31/0x70 [ 61.486540][ T11] ? __pfx_kthread+0x10/0x10 [ 61.486663][ T11] ret_from_fork_asm+0x1a/0x30 [ 61.486794][ T11] [ 61.486890][ T11] [ 61.486953][ T11] Allocated by task 1060: [ 61.487046][ T11] kasan_save_stack+0x24/0x50 [ 61.487176][ T11] kasan_save_track+0x14/0x30 [ 61.487304][ T11] __kasan_slab_alloc+0x59/0x70 [ 61.487440][ T11] kmem_cache_alloc_noprof+0x10b/0x350 [ 61.487570][ T11] copy_net_ns+0xc6/0x540 [ 61.487671][ T11] create_new_namespaces+0x35f/0x920 [ 61.487800][ T11] unshare_nsproxy_namespaces+0x8a/0x1b0 [ 61.487928][ T11] ksys_unshare+0x2c4/0x6e0 [ 61.488057][ T11] __x64_sys_unshare+0x31/0x40 [ 61.488184][ T11] do_syscall_64+0xc1/0x1d0 [ 61.488314][ T11] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 61.488474][ T11] [ 61.488536][ T11] Freed by task 11: [ 61.488643][ T11] kasan_save_stack+0x24/0x50 [ 61.488772][ T11] kasan_save_track+0x14/0x30 [ 61.488901][ T11] kasan_save_free_info+0x3b/0x60 [ 61.489031][ T11] __kasan_slab_free+0x38/0x50 [ 61.489160][ T11] kmem_cache_free+0xf8/0x330 [ 61.489285][ T11] cleanup_net+0x5a8/0xb90 [ 61.489415][ T11] process_one_work+0xe55/0x16d0 [ 61.489542][ T11] worker_thread+0x58c/0xce0 [ 61.489665][ T11] kthread+0x28a/0x350 [ 61.489764][ T11] ret_from_fork+0x31/0x70 [ 61.489890][ T11] ret_from_fork_asm+0x1a/0x30 [ 61.490013][ T11] [ 61.490079][ T11] Last potentially related work creation: [ 61.490208][ T11] kasan_save_stack+0x24/0x50 [ 61.490344][ T11] __kasan_record_aux_stack+0x8e/0xa0 [ 61.490471][ T11] insert_work+0x34/0x230 [ 61.490568][ T11] __queue_work+0x5fd/0xa40 [ 61.490702][ T11] queue_delayed_work_on+0x8c/0xa0 [ 61.490833][ T11] __inet_insert_ifa+0x751/0xb10 [ 61.490970][ T11] inet_rtm_newaddr+0x833/0xbd0 [ 61.491094][ T11] rtnetlink_rcv_msg+0x712/0xc10 [ 61.491230][ T11] netlink_rcv_skb+0x130/0x360 [ 61.491363][ T11] netlink_unicast+0x44b/0x710 [ 61.491494][ T11] netlink_sendmsg+0x723/0xbe0 [ 61.491621][ T11] ____sys_sendmsg+0x7ac/0xa10 [ 61.491748][ T11] ___sys_sendmsg+0xee/0x170 [ 61.491878][ T11] __sys_sendmsg+0x109/0x1a0 [ 61.492005][ T11] do_syscall_64+0xc1/0x1d0 [ 61.492132][ T11] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 61.492300][ T11] [ 61.492370][ T11] Second to last potentially related work creation: [ 61.492529][ T11] kasan_save_stack+0x24/0x50 [ 61.492664][ T11] __kasan_record_aux_stack+0x8e/0xa0 [ 61.492795][ T11] insert_work+0x34/0x230 [ 61.492892][ T11] __queue_work+0x5fd/0xa40 [ 61.493017][ T11] queue_delayed_work_on+0x8c/0xa0 [ 61.493145][ T11] __inet_insert_ifa+0x751/0xb10 [ 61.493271][ T11] inetdev_event+0xb18/0xcf0 [ 61.493402][ T11] notifier_call_chain+0xcd/0x150 [ 61.493537][ T11] __dev_notify_flags+0xe6/0x250 [ 61.493661][ T11] dev_change_flags+0xec/0x160 [ 61.493788][ T11] do_setlink.constprop.0+0x79d/0x2300 [ 61.493911][ T11] rtnl_newlink+0x6de/0xa80 [ 61.494033][ T11] rtnetlink_rcv_msg+0x712/0xc10 [ 61.494163][ T11] netlink_rcv_skb+0x130/0x360 [ 61.494289][ T11] netlink_unicast+0x44b/0x710 [ 61.494416][ T11] netlink_sendmsg+0x723/0xbe0 [ 61.494539][ T11] ____sys_sendmsg+0x7ac/0xa10 [ 61.494664][ T11] ___sys_sendmsg+0xee/0x170 [ 61.494789][ T11] __sys_sendmsg+0x109/0x1a0 [ 61.494915][ T11] do_syscall_64+0xc1/0x1d0 [ 61.495042][ T11] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 61.495202][ T11] [ 61.495263][ T11] The buggy address belongs to the object at ffff88800ed68040 [ 61.495263][ T11] which belongs to the cache net_namespace of size 6528 [ 61.495591][ T11] The buggy address is located 184 bytes inside of [ 61.495591][ T11] freed 6528-byte region [ffff88800ed68040, ffff88800ed699c0) [ 61.495889][ T11] [ 61.495954][ T11] The buggy address belongs to the physical page: [ 61.496107][ T11] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0xffff88800ed6b640 pfn:0xed68 [ 61.496366][ T11] head: order:3 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 61.496554][ T11] flags: 0x80000000000240(workingset|head|node=0|zone=1) [ 61.496715][ T11] page_type: f5(slab) [ 61.496815][ T11] raw: 0080000000000240 ffff888001975240 ffff88800197a088 ffff88800197a088 [ 61.497033][ T11] raw: ffff88800ed6b640 0000000000040002 00000001f5000000 0000000000000000 [ 61.497249][ T11] head: 0080000000000240 ffff888001975240 ffff88800197a088 ffff88800197a088 [ 61.497471][ T11] head: ffff88800ed6b640 0000000000040002 00000001f5000000 0000000000000000 [ 61.497689][ T11] head: 0080000000000003 ffffea00003b5a01 ffffffffffffffff 0000000000000000 [ 61.497915][ T11] head: 0000000000000008 0000000000000000 00000000ffffffff 0000000000000000 [ 61.498140][ T11] page dumped because: kasan: bad access detected [ 61.498303][ T11] [ 61.498370][ T11] Memory state around the buggy address: [ 61.498495][ T11] ffff88800ed67f80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 61.498688][ T11] ffff88800ed68000: fc fc fc fc fc fc fc fc fa fb fb fb fb fb fb fb [ 61.498866][ T11] >ffff88800ed68080: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 61.499053][ T11] ^ [ 61.499235][ T11] ffff88800ed68100: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 61.499415][ T11] ffff88800ed68180: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 61.499604][ T11] ================================================================== [ 61.499850][ T11] Disabling lock debugging due to kernel taint [ 63.343549][ T58] ip6_tunnel: ip6erspan00 xmit: Local address not yet configured! [ 63.684479][ T58] ip6_tunnel: ip6erspan00 xmit: Local address not yet configured! [ 64.212207][ T1169] test-br0: port 1(test-dummy0) entered blocking state [ 64.212783][ T1169] test-br0: port 1(test-dummy0) entered disabled state [ 64.212989][ T1169] test-dummy0: entered allmulticast mode [ 64.213939][ T1169] test-dummy0: entered promiscuous mode [ 64.274577][ T1173] test-br0: port 1(test-dummy0) entered blocking state [ 64.274793][ T1173] test-br0: port 1(test-dummy0) entered forwarding state [ 65.360421][ T1210] test-dummy0: left allmulticast mode [ 65.360640][ T1210] test-dummy0: left promiscuous mode [ 65.360908][ T1210] test-br0: port 1(test-dummy0) entered disabled state [ 126.304897][ T3437] MACsec IEEE 802.1AE [ 127.003101][ T3459] Initializing XFRM netlink socket [ 128.979295][ T3357] netdevsim netdevsim0 eni0np1: renamed from eth0 [ 131.844729][ T3580] test-br0: port 1(vxlan10) entered blocking state [ 131.844944][ T3580] test-br0: port 1(vxlan10) entered disabled state [ 131.845152][ T3580] vxlan10: entered allmulticast mode [ 131.846886][ T3580] vxlan10: entered promiscuous mode [ 132.215496][ T11] vxlan10: left allmulticast mode [ 132.215679][ T11] vxlan10: left promiscuous mode [ 132.215926][ T11] test-br0: port 1(vxlan10) entered disabled state [ 132.823133][ T3610] test-br0: port 1(dummy1) entered blocking state [ 132.823394][ T3610] test-br0: port 1(dummy1) entered disabled state [ 132.823604][ T3610] dummy1: entered allmulticast mode [ 132.824537][ T3610] dummy1: entered promiscuous mode [ 133.192797][ T11] dummy1: left allmulticast mode [ 133.193003][ T11] dummy1: left promiscuous mode [ 133.193301][ T11] test-br0: port 1(dummy1) entered disabled state [ 134.238236][ T3349] netdevsim netdevsim20 eni20np1: renamed from eth1 [ 134.329782][ T3656] netdevsim netdevsim10 eni10np1: renamed from eth0 [ 134.811159][ T3669] test-bond0: (slave eni10np1): Enslaving as a backup interface with an up link [ 134.874609][ T3671] test-bond0: (slave eni20np1): Enslaving as a backup interface with an up link [ 135.050675][ T3682] test-br0: port 1(test-bond0) entered blocking state [ 135.050893][ T3682] test-br0: port 1(test-bond0) entered disabled state [ 135.051090][ T3682] test-bond0: entered allmulticast mode [ 135.051230][ T3682] netdevsim netdevsim10 eni10np1: entered allmulticast mode [ 135.051462][ T3682] netdevsim netdevsim20 eni20np1: entered allmulticast mode [ 135.052690][ T3682] test-bond0: entered promiscuous mode [ 135.052836][ T3682] netdevsim netdevsim10 eni10np1: entered promiscuous mode [ 135.053162][ T3682] netdevsim netdevsim20 eni20np1: entered promiscuous mode [ 135.109924][ T3684] test-bond0: left allmulticast mode [ 135.110144][ T3684] netdevsim netdevsim10 eni10np1: left allmulticast mode [ 135.110368][ T3684] netdevsim netdevsim20 eni20np1: left allmulticast mode [ 135.110570][ T3684] test-bond0: left promiscuous mode [ 135.110730][ T3684] netdevsim netdevsim10 eni10np1: left promiscuous mode [ 135.111043][ T3684] netdevsim netdevsim20 eni20np1: left promiscuous mode [ 135.112290][ T3684] test-br0: port 1(test-bond0) entered disabled state [ 135.209853][ T3685] test-bond0 (unregistering): (slave eni10np1): Releasing backup interface [ 135.221512][ T3685] test-bond0 (unregistering): (slave eni20np1): Releasing backup interface [ 135.229134][ T3685] test-bond0 (unregistering): Released all slaves [ 138.050803][ T3764] bond123: (slave test-dummy0): Enslaving as an active interface with an up link [ 138.128978][ T11] bond123 (unregistering): (slave test-dummy0): Releasing backup interface [ 138.139233][ T11] bond123 (unregistering): Released all slaves