[ 14.871467][ T270] ip (270) used greatest stack depth: 23808 bytes left
[ 16.523000][ T283] ==================================================================
[ 16.523350][ T283] BUG: KASAN: slab-use-after-free in kobject_put+0xbb/0xd0
[ 16.523617][ T283] Read of size 1 at addr ffff8880059ac6c4 by task ip/283
[ 16.523850][ T283]
[ 16.523941][ T283] CPU: 0 UID: 0 PID: 283 Comm: ip Not tainted 6.18.0-rc4-virtme #1 PREEMPT(full)
[ 16.523945][ T283] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 16.523947][ T283] Call Trace:
[ 16.523950][ T283]
[ 16.523951][ T283] dump_stack_lvl+0x82/0xc0
[ 16.523956][ T283] print_address_description.constprop.0+0x2c/0x3a0
[ 16.523963][ T283] ? kobject_put+0xbb/0xd0
[ 16.523967][ T283] print_report+0xb4/0x270
[ 16.523971][ T283] ? kobject_put+0xbb/0xd0
[ 16.523974][ T283] ? kasan_addr_to_slab+0x21/0x70
[ 16.523977][ T283] ? kobject_put+0xbb/0xd0
[ 16.523980][ T283] kasan_report+0xca/0x100
[ 16.523984][ T283] ? kobject_put+0xbb/0xd0
[ 16.523990][ T283] kobject_put+0xbb/0xd0
[ 16.523993][ T283] netdev_run_todo+0x5f0/0xc60
[ 16.523999][ T283] ? dev_ingress_queue_create+0x190/0x190
[ 16.524003][ T283] ? generic_xdp_install+0x410/0x410
[ 16.524006][ T283] ? unregister_netdevice_many+0x20/0x20
[ 16.524010][ T283] ? __lock_acquire+0x449/0x7e0
[ 16.524016][ T283] rtnl_dellink+0x350/0xa30
[ 16.524021][ T283] ? valid_bridge_getlink_req.constprop.0+0x640/0x640
[ 16.524041][ T283] ? find_held_lock+0x2b/0x80
[ 16.524047][ T283] ? __lock_acquire+0x449/0x7e0
[ 16.524051][ T283] ? find_held_lock+0x2b/0x80
[ 16.524055][ T283] ? rtnetlink_rcv_msg+0x6e6/0xc00
[ 16.524058][ T283] ? __lock_release+0x5d/0x170
[ 16.524062][ T283] ? valid_bridge_getlink_req.constprop.0+0x640/0x640
[ 16.524065][ T283] rtnetlink_rcv_msg+0x709/0xc00
[ 16.524070][ T283] ? rtnl_port_fill+0x890/0x890
[ 16.524073][ T283] ? __lock_acquire+0x449/0x7e0
[ 16.524079][ T283] netlink_rcv_skb+0x121/0x340
[ 16.524083][ T283] ? rtnl_port_fill+0x890/0x890
[ 16.524087][ T283] ? netlink_ack+0xdf0/0xdf0
[ 16.524093][ T283] ? netlink_deliver_tap+0x13e/0x340
[ 16.524096][ T283] ? netlink_deliver_tap+0xc3/0x340
[ 16.524099][ T283] netlink_unicast+0x4aa/0x780
[ 16.524103][ T283] ? netlink_attachskb+0x810/0x810
[ 16.524107][ T283] ? __lock_acquire+0x449/0x7e0
[ 16.524111][ T283] netlink_sendmsg+0x714/0xbd0
[ 16.524115][ T283] ? netlink_unicast+0x780/0x780
[ 16.524119][ T283] ? __import_iovec+0x230/0x3b0
[ 16.524124][ T283] ? netlink_unicast+0x780/0x780
[ 16.524127][ T283] ____sys_sendmsg+0x3dd/0x890
[ 16.524130][ T283] ? get_timestamp.constprop.0+0x370/0x370
[ 16.524133][ T283] ? __copy_msghdr+0x3c0/0x3c0
[ 16.524140][ T283] ___sys_sendmsg+0xed/0x170
[ 16.524143][ T283] ? kasan_record_aux_stack+0x8c/0xa0
[ 16.524147][ T283] ? __call_rcu_common.constprop.0+0xa8/0x630
[ 16.524151][ T283] ? copy_msghdr_from_user+0x110/0x110
[ 16.524156][ T283] ? find_held_lock+0x2b/0x80
[ 16.524160][ T283] ? __lock_acquire+0x449/0x7e0
[ 16.524165][ T283] ? find_held_lock+0x2b/0x80
[ 16.524168][ T283] ? __virt_addr_valid+0x22a/0x450
[ 16.524173][ T283] ? __lock_release+0x5d/0x170
[ 16.524178][ T283] __sys_sendmsg+0x10b/0x1a0
[ 16.524181][ T283] ? __call_rcu_common.constprop.0+0x318/0x630
[ 16.524183][ T283] ? __sys_sendmsg_sock+0x20/0x20
[ 16.524190][ T283] ? rcu_is_watching+0x12/0xb0
[ 16.524195][ T283] do_syscall_64+0xc1/0xfd0
[ 16.524200][ T283] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 16.524203][ T283] RIP: 0033:0x7f6916f941d7
[ 16.524207][ T283] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
[ 16.524210][ T283] RSP: 002b:00007fff707f3b28 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 16.524214][ T283] RAX: ffffffffffffffda RBX: 00007fff707f4260 RCX: 00007f6916f941d7
[ 16.524216][ T283] RDX: 0000000000000000 RSI: 00007fff707f3b90 RDI: 0000000000000005
[ 16.524218][ T283] RBP: 0000000000000002 R08: 0000000000000003 R09: 0000000000000078
[ 16.524220][ T283] R10: 00007f6916e90510 R11: 0000000000000246 R12: 0000000000000002
[ 16.524222][ T283] R13: 00000000690e0276 R14: 0000000000499600 R15: 0000000000000000
[ 16.524228][ T283]
[ 16.524229][ T283]
[ 16.537572][ T283] Allocated by task 277:
[ 16.537710][ T283] kasan_save_stack+0x24/0x40
[ 16.537891][ T283] kasan_save_track+0x14/0x30
[ 16.538068][ T283] __kasan_kmalloc+0x7b/0x90
[ 16.538242][ T283] __kvmalloc_node_noprof+0x2e5/0x8e0
[ 16.538437][ T283] alloc_netdev_mqs+0x7d/0x1370
[ 16.538628][ T283] rtnl_create_link+0xa9e/0xe20
[ 16.538821][ T283] rtnl_newlink_create+0x203/0x8f0
[ 16.539016][ T283] __rtnl_newlink+0x231/0xa30
[ 16.539195][ T283] rtnl_newlink+0x693/0xa60
[ 16.539371][ T283] rtnetlink_rcv_msg+0x709/0xc00
[ 16.539553][ T283] netlink_rcv_skb+0x121/0x340
[ 16.539727][ T283] netlink_unicast+0x4aa/0x780
[ 16.539903][ T283] netlink_sendmsg+0x714/0xbd0
[ 16.540086][ T283] ____sys_sendmsg+0x3dd/0x890
[ 16.540270][ T283] ___sys_sendmsg+0xed/0x170
[ 16.540447][ T283] __sys_sendmsg+0x10b/0x1a0
[ 16.540662][ T283] do_syscall_64+0xc1/0xfd0
[ 16.540840][ T283] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 16.541064][ T283]
[ 16.541153][ T283] Freed by task 283:
[ 16.541285][ T283] kasan_save_stack+0x24/0x40
[ 16.541470][ T283] kasan_save_track+0x14/0x30
[ 16.541645][ T283] __kasan_save_free_info+0x3b/0x60
[ 16.541822][ T283] __kasan_slab_free+0x3f/0x60
[ 16.542002][ T283] kfree+0x21d/0x540
[ 16.542138][ T283] device_release+0x9c/0x210
[ 16.542317][ T283] kobject_cleanup+0xfe/0x360
[ 16.542497][ T283] netdev_run_todo+0x81f/0xc60
[ 16.542674][ T283] rtnl_dellink+0x350/0xa30
[ 16.542851][ T283] rtnetlink_rcv_msg+0x709/0xc00
[ 16.543130][ T283] netlink_rcv_skb+0x121/0x340
[ 16.543306][ T283] netlink_unicast+0x4aa/0x780
[ 16.543495][ T283] netlink_sendmsg+0x714/0xbd0
[ 16.543686][ T283] ____sys_sendmsg+0x3dd/0x890
[ 16.543973][ T283] ___sys_sendmsg+0xed/0x170
[ 16.544148][ T283] __sys_sendmsg+0x10b/0x1a0
[ 16.544323][ T283] do_syscall_64+0xc1/0xfd0
[ 16.544512][ T283] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 16.544826][ T283]
[ 16.544916][ T283] The buggy address belongs to the object at ffff8880059ac000
[ 16.544916][ T283] which belongs to the cache kmalloc-4k of size 4096
[ 16.545434][ T283] The buggy address is located 1732 bytes inside of
[ 16.545434][ T283] freed 4096-byte region [ffff8880059ac000, ffff8880059ad000)
[ 16.545861][ T283]
[ 16.545953][ T283] The buggy address belongs to the physical page:
[ 16.546267][ T283] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x59a8
[ 16.546588][ T283] head: order:3 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0
[ 16.546856][ T283] flags: 0x80000000000040(head|node=0|zone=1)
[ 16.547199][ T283] page_type: f5(slab)
[ 16.547355][ T283] raw: 0080000000000040 ffff888001043700 ffffea000016d810 ffffea0000245810
[ 16.547702][ T283] raw: 0000000000000000 0000000000020002 00000000f5000000 0000000000000000
[ 16.548157][ T283] head: 0080000000000040 ffff888001043700 ffffea000016d810 ffffea0000245810
[ 16.548510][ T283] head: 0000000000000000 0000000000020002 00000000f5000000 0000000000000000
[ 16.548949][ T283] head: 0080000000000003 ffffea0000166a01 00000000ffffffff 00000000ffffffff
[ 16.549260][ T283] head: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000
[ 16.549691][ T283] page dumped because: kasan: bad access detected
[ 16.549906][ T283]
[ 16.549993][ T283] Memory state around the buggy address:
[ 16.550163][ T283] ffff8880059ac580: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 16.550515][ T283] ffff8880059ac600: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 16.550774][ T283] >ffff8880059ac680: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 16.551032][ T283] ^
[ 16.551336][ T283] ffff8880059ac700: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 16.551594][ T283] ffff8880059ac780: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 16.551849][ T283] ==================================================================
[ 16.552380][ T283] Disabling lock debugging due to kernel taint
[ 16.552631][ T283] ------------[ cut here ]------------
[ 16.552796][ T283] refcount_t: underflow; use-after-free.
[ 16.552990][ T283] WARNING: CPU: 1 PID: 283 at lib/refcount.c:28 refcount_warn_saturate+0x16f/0x1b0
[ 16.553298][ T283] Modules linked in:
[ 16.553465][ T283] CPU: 1 UID: 0 PID: 283 Comm: ip Tainted: G B 6.18.0-rc4-virtme #1 PREEMPT(full)
[ 16.553824][ T283] Tainted: [B]=BAD_PAGE
[ 16.553956][ T283] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 16.554180][ T283] RIP: 0010:refcount_warn_saturate+0x16f/0x1b0
[ 16.554404][ T283] Code: cc 38 03 80 fb 01 0f 87 29 33 d7 fe 83 e3 01 0f 85 51 ff ff ff c6 05 17 cc 38 03 01 90 48 c7 c7 40 ba a5 a6 e8 62 d6 16 ff 90 <0f> 0b 90 90 e9 33 ff ff ff 48 89 df e8 c0 9d a0 ff e9 ba fe ff ff
[ 16.555035][ T283] RSP: 0018:ffffc90000cf71f0 EFLAGS: 00010286
[ 16.555247][ T283] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[ 16.555497][ T283] RDX: 0000000000000002 RSI: 0000000000000004 RDI: 0000000000000001
[ 16.555764][ T283] RBP: 0000000000000003 R08: 0000000000000000 R09: fffffbfff4f40934
[ 16.556001][ T283] R10: 0000000000000003 R11: ffffc90000cf6d80 R12: 0000000000000001
[ 16.556265][ T283] R13: dffffc0000000000 R14: dead000000000122 R15: dead000000000100
[ 16.556530][ T283] FS: 00007f6916dc6800(0000) GS:ffff8880c4188000(0000) knlGS:0000000000000000
[ 16.556816][ T283] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 16.557031][ T283] CR2: 00007f9ea28bc000 CR3: 000000000b6b6001 CR4: 0000000000772ef0
[ 16.557276][ T283] PKRU: 55555554
[ 16.557520][ T283] Call Trace:
[ 16.557646][ T283]
[ 16.557738][ T283] netdev_run_todo+0x5f0/0xc60
[ 16.557903][ T283] ? dev_ingress_queue_create+0x190/0x190
[ 16.558068][ T283] ? generic_xdp_install+0x410/0x410
[ 16.558331][ T283] ? unregister_netdevice_many+0x20/0x20
[ 16.558506][ T283] ? __lock_acquire+0x449/0x7e0
[ 16.558665][ T283] rtnl_dellink+0x350/0xa30
[ 16.558831][ T283] ? valid_bridge_getlink_req.constprop.0+0x640/0x640
[ 16.559147][ T283] ? find_held_lock+0x2b/0x80
[ 16.559312][ T283] ? __lock_acquire+0x449/0x7e0
[ 16.559488][ T283] ? find_held_lock+0x2b/0x80
[ 16.559654][ T283] ? rtnetlink_rcv_msg+0x6e6/0xc00
[ 16.559918][ T283] ? __lock_release+0x5d/0x170
[ 16.560081][ T283] ? valid_bridge_getlink_req.constprop.0+0x640/0x640
[ 16.560286][ T283] rtnetlink_rcv_msg+0x709/0xc00
[ 16.560458][ T283] ? rtnl_port_fill+0x890/0x890
[ 16.560711][ T283] ? __lock_acquire+0x449/0x7e0
[ 16.560868][ T283] netlink_rcv_skb+0x121/0x340
[ 16.561038][ T283] ? rtnl_port_fill+0x890/0x890
[ 16.561205][ T283] ? netlink_ack+0xdf0/0xdf0
[ 16.561480][ T283] ? netlink_deliver_tap+0x13e/0x340
[ 16.561637][ T283] ? netlink_deliver_tap+0xc3/0x340
[ 16.561800][ T283] netlink_unicast+0x4aa/0x780
[ 16.561961][ T283] ? netlink_attachskb+0x810/0x810
[ 16.562234][ T283] ? __lock_acquire+0x449/0x7e0
[ 16.562404][ T283] netlink_sendmsg+0x714/0xbd0
[ 16.562568][ T283] ? netlink_unicast+0x780/0x780
[ 16.562739][ T283] ? __import_iovec+0x230/0x3b0
[ 16.562991][ T283] ? netlink_unicast+0x780/0x780
[ 16.563161][ T283] ____sys_sendmsg+0x3dd/0x890
[ 16.563321][ T283] ? get_timestamp.constprop.0+0x370/0x370
[ 16.563633][ T283] ? __copy_msghdr+0x3c0/0x3c0
[ 16.563821][ T283] ___sys_sendmsg+0xed/0x170
[ 16.563988][ T283] ? kasan_record_aux_stack+0x8c/0xa0
[ 16.564178][ T283] ? __call_rcu_common.constprop.0+0xa8/0x630
[ 16.564516][ T283] ? copy_msghdr_from_user+0x110/0x110
[ 16.564673][ T283] ? find_held_lock+0x2b/0x80
[ 16.564843][ T283] ? __lock_acquire+0x449/0x7e0
[ 16.565024][ T283] ? find_held_lock+0x2b/0x80
[ 16.565282][ T283] ? __virt_addr_valid+0x22a/0x450
[ 16.565462][ T283] ? __lock_release+0x5d/0x170
[ 16.565628][ T283] __sys_sendmsg+0x10b/0x1a0
[ 16.565791][ T283] ? __call_rcu_common.constprop.0+0x318/0x630
[ 16.566090][ T283] ? __sys_sendmsg_sock+0x20/0x20
[ 16.566261][ T283] ? rcu_is_watching+0x12/0xb0
[ 16.566436][ T283] do_syscall_64+0xc1/0xfd0
[ 16.566613][ T283] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 16.566819][ T283] RIP: 0033:0x7f6916f941d7
[ 16.566995][ T283] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
[ 16.567594][ T283] RSP: 002b:00007fff707f3b28 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 16.567846][ T283] RAX: ffffffffffffffda RBX: 00007fff707f4260 RCX: 00007f6916f941d7
[ 16.568096][ T283] RDX: 0000000000000000 RSI: 00007fff707f3b90 RDI: 0000000000000005
[ 16.568340][ T283] RBP: 0000000000000002 R08: 0000000000000003 R09: 0000000000000078
[ 16.568598][ T283] R10: 00007f6916e90510 R11: 0000000000000246 R12: 0000000000000002
[ 16.568848][ T283] R13: 00000000690e0276 R14: 0000000000499600 R15: 0000000000000000
[ 16.569107][ T283]
[ 16.569238][ T283] irq event stamp: 50141
[ 16.569370][ T283] hardirqs last enabled at (50141): [] kasan_quarantine_put+0xf9/0x210
[ 16.569649][ T283] hardirqs last disabled at (50140): [] kasan_quarantine_put+0xac/0x210
[ 16.569926][ T283] softirqs last enabled at (47970): [] handle_softirqs+0x352/0x610
[ 16.570226][ T283] softirqs last disabled at (47947): [] irq_exit_rcu+0xab/0x100
[ 16.570522][ T283] ---[ end trace 0000000000000000 ]---
[ 59.602654][ T900] IPv6: Can't replace route, no match found
[ 62.098807][ T970] IPv6: Can't replace route, no match found
[ 110.673311][ T1910] Mirror/redirect action on
[ 203.866604][ T2553] veth2: entered promiscuous mode
[ 203.910763][ T2553] veth2: left promiscuous mode