[ 2.201629] ip (248) used greatest stack depth: 12408 bytes left [ 2.586156] br0: port 1(veth1) entered blocking state [ 2.586307] br0: port 1(veth1) entered disabled state [ 2.586411] veth1: entered allmulticast mode [ 2.586570] veth1: entered promiscuous mode [ 2.599006] br0: port 2(veth2) entered blocking state [ 2.599078] br0: port 2(veth2) entered disabled state [ 2.599147] veth2: entered allmulticast mode [ 2.599260] veth2: entered promiscuous mode [ 2.625817] br0: port 1(veth1) entered blocking state [ 2.625892] br0: port 1(veth1) entered forwarding state [ 2.639471] br0: port 2(veth2) entered blocking state [ 2.639585] br0: port 2(veth2) entered forwarding state [ 13.994792] GACT probability NOT on [ 13.995881] tc (338) used greatest stack depth: 11840 bytes left [ 111.834373] br0: port 1(veth1) entered disabled state [ 116.869043] br0: port 1(veth1) entered forwarding state [ 121.925426] br0: vlan filtering disabled, automatically disabling multicast vlan snooping [ 132.057159] br0: vlan filtering disabled, automatically disabling multicast vlan snooping [ 132.077387] br0: port 2(veth2) entered disabled state [ 132.090317] br0: port 1(veth1) entered disabled state [ 132.102889] veth2: left allmulticast mode [ 132.102952] veth2: left promiscuous mode [ 132.103003] br0: port 2(veth2) entered disabled state [ 132.103146] veth1: left allmulticast mode [ 132.103182] veth1: left promiscuous mode [ 132.103216] br0: port 1(veth1) entered disabled state [ 132.118735] ------------[ cut here ]------------ [ 132.118840] refcount_t: underflow; use-after-free. [ 132.118910] WARNING: CPU: 0 PID: 1628 at lib/refcount.c:28 refcount_warn_saturate+0xbc/0x110 [ 132.119015] Modules linked in: act_gact cls_flower sch_ingress bridge stp llc vrf veth [ 132.119115] CPU: 0 UID: 0 PID: 1628 Comm: ip Not tainted 6.18.0-rc4-virtme #1 PREEMPT(voluntary) [ 132.119213] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 132.119278] RIP: 0010:refcount_warn_saturate+0xbc/0x110 [ 132.119336] Code: 9c e8 18 df ba ff 90 0f 0b 90 90 c3 80 3d f9 da eb 00 00 75 89 c6 05 f0 da eb 00 01 90 48 c7 c7 28 e0 31 9c e8 f5 de ba ff 90 <0f> 0b 90 90 c3 80 3d d4 da eb 00 00 0f 85 62 ff ff ff c6 05 c7 da [ 132.119528] RSP: 0018:ffffac63025ef730 EFLAGS: 00010282 [ 132.119584] RAX: 0000000000000000 RBX: ffffac63025ef740 RCX: 00000000ffffdfff [ 132.119659] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001 [ 132.119749] RBP: ffffac63025ef248 R08: ffffffff9c756a28 R09: 00000000ffffdfff [ 132.119837] R10: ffffffff9c676a40 R11: ffffffff9c726a40 R12: dead000000000122 [ 132.119918] R13: 00000000fffd6fab R14: 0000000000000001 R15: ffff9e1e430f9000 [ 132.119997] FS: 00007f09776c5800(0000) GS:ffff9e1ee1dd9000(0000) knlGS:0000000000000000 [ 132.120086] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 132.120151] CR2: 00000000004e68c8 CR3: 0000000007b24004 CR4: 0000000000772ef0 [ 132.120235] PKRU: 55555554 [ 132.120265] Call Trace: [ 132.120292] [ 132.120326] netdev_run_todo+0x21a/0x550 [ 132.120387] rtnl_dellink+0x15b/0x350 [ 132.120438] ? virtio_fs_enqueue_req+0x352/0x570 [ 132.120506] ? netdev_run_todo+0x63/0x550 [ 132.120555] ? rtnl_bridge_getlink+0x1a0/0x1a0 [ 132.120609] rtnetlink_rcv_msg+0x358/0x400 [ 132.120647] ? get_page_from_freelist+0x15b4/0x1770 [ 132.120725] ? rtnl_calcit.isra.0+0x110/0x110 [ 132.120782] netlink_rcv_skb+0x57/0x100 [ 132.120832] netlink_unicast+0x252/0x380 [ 132.120876] ? __alloc_skb+0xdb/0x190 [ 132.120914] netlink_sendmsg+0x1be/0x3e0 [ 132.120952] ____sys_sendmsg+0x132/0x260 [ 132.120997] ? copy_msghdr_from_user+0x6c/0xa0 [ 132.121055] ___sys_sendmsg+0x87/0xd0 [ 132.121094] ? do_wp_page+0x369/0xe90 [ 132.121142] ? ___pte_offset_map+0x1b/0xd0 [ 132.121190] ? nfulnl_rcv_nl_event+0x36/0xa0 [ 132.121247] ? fsnotify_grab_connector+0x48/0x80 [ 132.121308] ? fsnotify_destroy_marks+0x29/0x150 [ 132.121364] __sys_sendmsg+0x71/0xd0 [ 132.121412] do_syscall_64+0xa4/0xfd0 [ 132.121468] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 132.121531] RIP: 0033:0x7f09778931d7 [ 132.121579] 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 [ 132.121778] RSP: 002b:00007fff58d32888 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 132.121865] RAX: ffffffffffffffda RBX: 00007fff58d32fb0 RCX: 00007f09778931d7 [ 132.121943] RDX: 0000000000000000 RSI: 00007fff58d328f0 RDI: 0000000000000005 [ 132.122023] RBP: 0000000000000002 R08: 0000000000000003 R09: 0000000000000078 [ 132.122103] R10: 00007f097778ff60 R11: 0000000000000246 R12: 0000000000000002 [ 132.122180] R13: 00000000690deaec R14: 0000000000499600 R15: 0000000000000000 [ 132.122263] [ 132.122295] ---[ end trace 0000000000000000 ]--- [ 132.122902] ip (1628) used greatest stack depth: 11744 bytes left