[ 24.265978][ T309] GACT probability NOT on
[ 33.710254][ T441] ==================================================================
[ 33.710542][ T441] BUG: KASAN: slab-use-after-free in kobject_put+0xbb/0xd0
[ 33.710805][ T441] Read of size 1 at addr ffff88800e2296ac by task ip/441
[ 33.711033][ T441]
[ 33.711127][ T441] CPU: 1 UID: 0 PID: 441 Comm: ip Not tainted 6.18.0-rc4-virtme #1 PREEMPT(full)
[ 33.711132][ T441] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 33.711136][ T441] Call Trace:
[ 33.711138][ T441]
[ 33.711140][ T441] dump_stack_lvl+0x82/0xc0
[ 33.711146][ T441] print_address_description.constprop.0+0x2c/0x3a0
[ 33.711155][ T441] ? kobject_put+0xbb/0xd0
[ 33.711159][ T441] print_report+0xb4/0x270
[ 33.711162][ T441] ? kobject_put+0xbb/0xd0
[ 33.711165][ T441] ? kasan_addr_to_slab+0x21/0x70
[ 33.711168][ T441] ? kobject_put+0xbb/0xd0
[ 33.711171][ T441] kasan_report+0xca/0x100
[ 33.711174][ T441] ? kobject_put+0xbb/0xd0
[ 33.711180][ T441] kobject_put+0xbb/0xd0
[ 33.711183][ T441] netdev_run_todo+0x5f0/0xc60
[ 33.711189][ T441] ? dev_ingress_queue_create+0x190/0x190
[ 33.711192][ T441] ? generic_xdp_install+0x410/0x410
[ 33.711196][ T441] ? vrf_dellink+0xff/0x150 [vrf]
[ 33.711204][ T441] ? vrf_map_unregister_dev+0x480/0x480 [vrf]
[ 33.711209][ T441] ? __lock_acquire+0x449/0x7e0
[ 33.711219][ T441] rtnl_dellink+0x350/0xa30
[ 33.711225][ T441] ? valid_bridge_getlink_req.constprop.0+0x640/0x640
[ 33.711244][ T441] ? find_held_lock+0x2b/0x80
[ 33.711249][ T441] ? __lock_acquire+0x449/0x7e0
[ 33.711254][ T441] ? find_held_lock+0x2b/0x80
[ 33.711258][ T441] ? rtnetlink_rcv_msg+0x6e6/0xc00
[ 33.711260][ T441] ? __lock_release+0x5d/0x170
[ 33.711265][ T441] ? valid_bridge_getlink_req.constprop.0+0x640/0x640
[ 33.711268][ T441] rtnetlink_rcv_msg+0x709/0xc00
[ 33.711272][ T441] ? rtnl_port_fill+0x850/0x850
[ 33.711275][ T441] ? __lock_acquire+0x449/0x7e0
[ 33.711282][ T441] netlink_rcv_skb+0x121/0x340
[ 33.711288][ T441] ? rtnl_port_fill+0x850/0x850
[ 33.711291][ T441] ? netlink_ack+0xdd0/0xdd0
[ 33.711298][ T441] ? netlink_deliver_tap+0x13e/0x340
[ 33.711300][ T441] ? netlink_deliver_tap+0xc3/0x340
[ 33.711304][ T441] netlink_unicast+0x4aa/0x780
[ 33.711308][ T441] ? netlink_attachskb+0x810/0x810
[ 33.711312][ T441] ? __lock_acquire+0x449/0x7e0
[ 33.711317][ T441] netlink_sendmsg+0x714/0xbd0
[ 33.711322][ T441] ? netlink_unicast+0x780/0x780
[ 33.711325][ T441] ? __import_iovec+0x230/0x3b0
[ 33.711332][ T441] ? netlink_unicast+0x780/0x780
[ 33.711336][ T441] ____sys_sendmsg+0x3dd/0x890
[ 33.711343][ T441] ? get_timestamp.constprop.0+0x380/0x380
[ 33.711346][ T441] ? __copy_msghdr+0x3c0/0x3c0
[ 33.711355][ T441] ___sys_sendmsg+0xed/0x170
[ 33.711358][ T441] ? kasan_record_aux_stack+0x8c/0xa0
[ 33.711361][ T441] ? __call_rcu_common.constprop.0+0xa8/0x630
[ 33.711369][ T441] ? copy_msghdr_from_user+0x110/0x110
[ 33.711374][ T441] ? find_held_lock+0x2b/0x80
[ 33.711379][ T441] ? __lock_acquire+0x449/0x7e0
[ 33.711384][ T441] ? find_held_lock+0x2b/0x80
[ 33.711388][ T441] ? __virt_addr_valid+0x22a/0x450
[ 33.711394][ T441] ? __lock_release+0x5d/0x170
[ 33.711400][ T441] __sys_sendmsg+0x10b/0x1a0
[ 33.711404][ T441] ? __call_rcu_common.constprop.0+0x318/0x630
[ 33.711408][ T441] ? __sys_sendmsg_sock+0x20/0x20
[ 33.711415][ T441] ? rcu_is_watching+0x12/0xb0
[ 33.711419][ T441] do_syscall_64+0xc1/0xfd0
[ 33.711425][ T441] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 33.711429][ T441] RIP: 0033:0x7fc95b97e1d7
[ 33.711434][ T441] 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
[ 33.711437][ T441] RSP: 002b:00007fff38058738 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 33.711441][ T441] RAX: ffffffffffffffda RBX: 00007fff38058e60 RCX: 00007fc95b97e1d7
[ 33.711443][ T441] RDX: 0000000000000000 RSI: 00007fff380587a0 RDI: 0000000000000005
[ 33.711445][ T441] RBP: 0000000000000002 R08: 0000000000000003 R09: 0000000000000078
[ 33.711447][ T441] R10: 00007fc95b87af60 R11: 0000000000000246 R12: 0000000000000002
[ 33.711449][ T441] R13: 00000000690dfb0f R14: 0000000000499600 R15: 0000000000000000
[ 33.711455][ T441]
[ 33.711456][ T441]
[ 33.724303][ T441] Allocated by task 287:
[ 33.724438][ T441] kasan_save_stack+0x24/0x40
[ 33.724612][ T441] kasan_save_track+0x14/0x30
[ 33.724773][ T441] __kasan_kmalloc+0x7b/0x90
[ 33.724970][ T441] __kvmalloc_node_noprof+0x2e5/0x8e0
[ 33.725156][ T441] alloc_netdev_mqs+0x7d/0x1370
[ 33.725329][ T441] rtnl_create_link+0xa9e/0xe20
[ 33.725502][ T441] rtnl_newlink_create+0x203/0x770
[ 33.725680][ T441] __rtnl_newlink+0x231/0xa30
[ 33.725843][ T441] rtnl_newlink+0x693/0xa60
[ 33.726011][ T441] rtnetlink_rcv_msg+0x709/0xc00
[ 33.726177][ T441] netlink_rcv_skb+0x121/0x340
[ 33.726344][ T441] netlink_unicast+0x4aa/0x780
[ 33.726519][ T441] netlink_sendmsg+0x714/0xbd0
[ 33.726682][ T441] ____sys_sendmsg+0x3dd/0x890
[ 33.726847][ T441] ___sys_sendmsg+0xed/0x170
[ 33.727018][ T441] __sys_sendmsg+0x10b/0x1a0
[ 33.727199][ T441] do_syscall_64+0xc1/0xfd0
[ 33.727384][ T441] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 33.727642][ T441]
[ 33.727738][ T441] Freed by task 441:
[ 33.727875][ T441] kasan_save_stack+0x24/0x40
[ 33.728070][ T441] kasan_save_track+0x14/0x30
[ 33.728235][ T441] __kasan_save_free_info+0x3b/0x60
[ 33.728400][ T441] __kasan_slab_free+0x3f/0x60
[ 33.728566][ T441] kfree+0x21d/0x540
[ 33.728690][ T441] device_release+0x9c/0x210
[ 33.728863][ T441] kobject_cleanup+0xfe/0x360
[ 33.729039][ T441] netdev_run_todo+0x81f/0xc60
[ 33.729208][ T441] rtnl_dellink+0x350/0xa30
[ 33.729376][ T441] rtnetlink_rcv_msg+0x709/0xc00
[ 33.729541][ T441] netlink_rcv_skb+0x121/0x340
[ 33.729701][ T441] netlink_unicast+0x4aa/0x780
[ 33.729867][ T441] netlink_sendmsg+0x714/0xbd0
[ 33.730036][ T441] ____sys_sendmsg+0x3dd/0x890
[ 33.730201][ T441] ___sys_sendmsg+0xed/0x170
[ 33.730365][ T441] __sys_sendmsg+0x10b/0x1a0
[ 33.730535][ T441] do_syscall_64+0xc1/0xfd0
[ 33.730698][ T441] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 33.730905][ T441]
[ 33.730995][ T441] The buggy address belongs to the object at ffff88800e229000
[ 33.730995][ T441] which belongs to the cache kmalloc-4k of size 4096
[ 33.731420][ T441] The buggy address is located 1708 bytes inside of
[ 33.731420][ T441] freed 4096-byte region [ffff88800e229000, ffff88800e22a000)
[ 33.731839][ T441]
[ 33.731920][ T441] The buggy address belongs to the physical page:
[ 33.732134][ T441] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0xe228
[ 33.732427][ T441] head: order:3 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0
[ 33.732675][ T441] flags: 0x80000000000040(head|node=0|zone=1)
[ 33.732903][ T441] page_type: f5(slab)
[ 33.733045][ T441] raw: 0080000000000040 ffff888001043700 ffffea0000274410 ffffea00002d8410
[ 33.733361][ T441] raw: 0000000000000000 0000000000020002 00000000f5000000 0000000000000000
[ 33.733656][ T441] head: 0080000000000040 ffff888001043700 ffffea0000274410 ffffea00002d8410
[ 33.733950][ T441] head: 0000000000000000 0000000000020002 00000000f5000000 0000000000000000
[ 33.734349][ T441] head: 0080000000000003 ffffea0000388a01 00000000ffffffff 00000000ffffffff
[ 33.734642][ T441] head: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000
[ 33.735049][ T441] page dumped because: kasan: bad access detected
[ 33.735254][ T441]
[ 33.735334][ T441] Memory state around the buggy address:
[ 33.735500][ T441] ffff88800e229580: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 33.735831][ T441] ffff88800e229600: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 33.736073][ T441] >ffff88800e229680: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 33.736308][ T441] ^
[ 33.736555][ T441] ffff88800e229700: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 33.736807][ T441] ffff88800e229780: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 33.737057][ T441] ==================================================================
[ 33.737949][ T441] Disabling lock debugging due to kernel taint
[ 33.738525][ T441] ------------[ cut here ]------------
[ 33.738737][ T441] refcount_t: underflow; use-after-free.
[ 33.738965][ T441] WARNING: CPU: 1 PID: 441 at lib/refcount.c:28 refcount_warn_saturate+0x16f/0x1b0
[ 33.739262][ T441] Modules linked in: act_gact cls_flower sch_ingress vrf veth
[ 33.739526][ T441] CPU: 1 UID: 0 PID: 441 Comm: ip Tainted: G B 6.18.0-rc4-virtme #1 PREEMPT(full)
[ 33.739850][ T441] Tainted: [B]=BAD_PAGE
[ 33.739979][ T441] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 33.740183][ T441] RIP: 0010:refcount_warn_saturate+0x16f/0x1b0
[ 33.740415][ T441] Code: 7d 93 02 80 fb 01 0f 87 bb 99 d9 fe 83 e3 01 0f 85 51 ff ff ff c6 05 a8 7d 93 02 01 90 48 c7 c7 60 8d c5 85 e8 32 bf 18 ff 90 <0f> 0b 90 90 e9 33 ff ff ff 48 89 df e8 b0 63 a1 ff e9 ba fe ff ff
[ 33.741067][ T441] RSP: 0018:ffffc90000c471f0 EFLAGS: 00010286
[ 33.741350][ T441] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[ 33.741606][ T441] RDX: 0000000000000002 RSI: 0000000000000004 RDI: 0000000000000001
[ 33.741858][ T441] RBP: 0000000000000003 R08: 0000000000000000 R09: fffffbfff0cbe134
[ 33.742110][ T441] R10: 0000000000000003 R11: ffffc90000c46d80 R12: 0000000000000001
[ 33.742534][ T441] R13: dffffc0000000000 R14: dead000000000122 R15: dead000000000100
[ 33.742775][ T441] FS: 00007fc95b7b0800(0000) GS:ffff8880ae872000(0000) knlGS:0000000000000000
[ 33.743056][ T441] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 33.743328][ T441] CR2: 00000000004e73b0 CR3: 000000000efff004 CR4: 0000000000772ef0
[ 33.743577][ T441] PKRU: 55555554
[ 33.743697][ T441] Call Trace:
[ 33.743823][ T441]
[ 33.744011][ T441] netdev_run_todo+0x5f0/0xc60
[ 33.744180][ T441] ? dev_ingress_queue_create+0x190/0x190
[ 33.744406][ T441] ? generic_xdp_install+0x410/0x410
[ 33.744569][ T441] ? vrf_dellink+0xff/0x150 [vrf]
[ 33.744731][ T441] ? vrf_map_unregister_dev+0x480/0x480 [vrf]
[ 33.744953][ T441] ? __lock_acquire+0x449/0x7e0
[ 33.745279][ T441] rtnl_dellink+0x350/0xa30
[ 33.745451][ T441] ? valid_bridge_getlink_req.constprop.0+0x640/0x640
[ 33.745661][ T441] ? find_held_lock+0x2b/0x80
[ 33.745824][ T441] ? __lock_acquire+0x449/0x7e0
[ 33.745986][ T441] ? find_held_lock+0x2b/0x80
[ 33.746147][ T441] ? rtnetlink_rcv_msg+0x6e6/0xc00
[ 33.746470][ T441] ? __lock_release+0x5d/0x170
[ 33.746638][ T441] ? valid_bridge_getlink_req.constprop.0+0x640/0x640
[ 33.746838][ T441] rtnetlink_rcv_msg+0x709/0xc00
[ 33.746998][ T441] ? rtnl_port_fill+0x850/0x850
[ 33.747159][ T441] ? __lock_acquire+0x449/0x7e0
[ 33.747419][ T441] netlink_rcv_skb+0x121/0x340
[ 33.747584][ T441] ? rtnl_port_fill+0x850/0x850
[ 33.747741][ T441] ? netlink_ack+0xdd0/0xdd0
[ 33.747913][ T441] ? netlink_deliver_tap+0x13e/0x340
[ 33.748162][ T441] ? netlink_deliver_tap+0xc3/0x340
[ 33.748417][ T441] netlink_unicast+0x4aa/0x780
[ 33.748580][ T441] ? netlink_attachskb+0x810/0x810
[ 33.748739][ T441] ? __lock_acquire+0x449/0x7e0
[ 33.748915][ T441] netlink_sendmsg+0x714/0xbd0
[ 33.749075][ T441] ? netlink_unicast+0x780/0x780
[ 33.749303][ T441] ? __import_iovec+0x230/0x3b0
[ 33.749474][ T441] ? netlink_unicast+0x780/0x780
[ 33.749633][ T441] ____sys_sendmsg+0x3dd/0x890
[ 33.749885][ T441] ? get_timestamp.constprop.0+0x380/0x380
[ 33.750084][ T441] ? __copy_msghdr+0x3c0/0x3c0
[ 33.750317][ T441] ___sys_sendmsg+0xed/0x170
[ 33.750482][ T441] ? kasan_record_aux_stack+0x8c/0xa0
[ 33.750661][ T441] ? __call_rcu_common.constprop.0+0xa8/0x630
[ 33.750872][ T441] ? copy_msghdr_from_user+0x110/0x110
[ 33.751122][ T441] ? find_held_lock+0x2b/0x80
[ 33.751360][ T441] ? __lock_acquire+0x449/0x7e0
[ 33.751539][ T441] ? find_held_lock+0x2b/0x80
[ 33.751697][ T441] ? __virt_addr_valid+0x22a/0x450
[ 33.751862][ T441] ? __lock_release+0x5d/0x170
[ 33.752022][ T441] __sys_sendmsg+0x10b/0x1a0
[ 33.752184][ T441] ? __call_rcu_common.constprop.0+0x318/0x630
[ 33.752582][ T441] ? __sys_sendmsg_sock+0x20/0x20
[ 33.752750][ T441] ? rcu_is_watching+0x12/0xb0
[ 33.752911][ T441] do_syscall_64+0xc1/0xfd0
[ 33.753074][ T441] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 33.753347][ T441] RIP: 0033:0x7fc95b97e1d7
[ 33.753524][ T441] 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
[ 33.754189][ T441] RSP: 002b:00007fff38058738 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 33.754508][ T441] RAX: ffffffffffffffda RBX: 00007fff38058e60 RCX: 00007fc95b97e1d7
[ 33.754754][ T441] RDX: 0000000000000000 RSI: 00007fff380587a0 RDI: 0000000000000005
[ 33.755057][ T441] RBP: 0000000000000002 R08: 0000000000000003 R09: 0000000000000078
[ 33.755472][ T441] R10: 00007fc95b87af60 R11: 0000000000000246 R12: 0000000000000002
[ 33.755716][ T441] R13: 00000000690dfb0f R14: 0000000000499600 R15: 0000000000000000
[ 33.755959][ T441]
[ 33.756087][ T441] irq event stamp: 46833
[ 33.756279][ T441] hardirqs last enabled at (46833): [] finish_task_switch.isra.0+0x245/0x960
[ 33.756614][ T441] hardirqs last disabled at (46832): [] __schedule+0x94a/0x1b10
[ 33.756910][ T441] softirqs last enabled at (46278): [] handle_softirqs+0x352/0x610
[ 33.757365][ T441] softirqs last disabled at (46271): [] irq_exit_rcu+0xab/0x100
[ 33.757647][ T441] ---[ end trace 0000000000000000 ]---