[ 2.667789] br1: port 1(veth1) entered blocking state [ 2.667873] br1: port 1(veth1) entered disabled state [ 2.667950] veth1: entered allmulticast mode [ 2.668049] veth1: entered promiscuous mode [ 2.690258] br1: port 2(veth2) entered blocking state [ 2.690321] br1: port 2(veth2) entered disabled state [ 2.690383] veth2: entered allmulticast mode [ 2.690474] veth2: entered promiscuous mode [ 2.713816] br1: port 2(veth2) entered blocking state [ 2.713905] br1: port 2(veth2) entered forwarding state [ 2.713954] br1: port 1(veth1) entered blocking state [ 2.714003] br1: port 1(veth1) entered forwarding state [ 7.920956] GACT probability NOT on [ 10.357429] br1: port 2(veth2) entered disabled state [ 10.357525] br1: port 1(veth1) entered disabled state [ 10.378415] veth2: left allmulticast mode [ 10.378476] veth2: left promiscuous mode [ 10.378517] br1: port 2(veth2) entered disabled state [ 10.402857] veth1: left allmulticast mode [ 10.402930] veth1: left promiscuous mode [ 10.402972] br1: port 1(veth1) entered disabled state [ 10.437926] ------------[ cut here ]------------ [ 10.438089] refcount_t: underflow; use-after-free. [ 10.438161] WARNING: CPU: 0 PID: 617 at lib/refcount.c:28 refcount_warn_saturate+0xbc/0x110 [ 10.438252] Modules linked in: act_gact cls_flower sch_ingress bridge stp llc vrf veth [ 10.438349] CPU: 0 UID: 0 PID: 617 Comm: ip Not tainted 6.18.0-rc4-virtme #1 PREEMPT(voluntary) [ 10.438447] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.438510] RIP: 0010:refcount_warn_saturate+0xbc/0x110 [ 10.438563] Code: b6 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 11 b6 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 [ 10.438741] RSP: 0018:ffffb61280ac7730 EFLAGS: 00010282 [ 10.438801] RAX: 0000000000000000 RBX: ffffb61280ac7740 RCX: 00000000ffffdfff [ 10.438886] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001 [ 10.438969] RBP: ffffb61280ac7248 R08: ffffffffb6556a28 R09: 00000000ffffdfff [ 10.439044] R10: ffffffffb6476a40 R11: ffffffffb6526a40 R12: dead000000000122 [ 10.439120] R13: 00000000fffb9466 R14: 0000000000000001 R15: ffff9b22830cc000 [ 10.439199] FS: 00007f1d1526b800(0000) GS:ffff9b2307fd9000(0000) knlGS:0000000000000000 [ 10.439285] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 10.439357] CR2: 00007f4387b2aeb0 CR3: 0000000006ee8001 CR4: 0000000000772ef0 [ 10.439436] PKRU: 55555554 [ 10.439460] Call Trace: [ 10.439492] [ 10.439520] netdev_run_todo+0x21a/0x550 [ 10.439581] rtnl_dellink+0x15b/0x350 [ 10.439643] ? virtio_fs_enqueue_req+0x352/0x570 [ 10.439708] ? netdev_run_todo+0x63/0x550 [ 10.439754] ? rtnl_bridge_getlink+0x1a0/0x1a0 [ 10.439822] rtnetlink_rcv_msg+0x358/0x400 [ 10.439867] ? get_page_from_freelist+0x15b4/0x1770 [ 10.439929] ? rtnl_calcit.isra.0+0x110/0x110 [ 10.439982] netlink_rcv_skb+0x57/0x100 [ 10.440031] netlink_unicast+0x252/0x380 [ 10.440070] ? __alloc_skb+0xdb/0x190 [ 10.440107] netlink_sendmsg+0x1be/0x3e0 [ 10.440145] ____sys_sendmsg+0x132/0x260 [ 10.440193] ? copy_msghdr_from_user+0x6c/0xa0 [ 10.440260] ___sys_sendmsg+0x87/0xd0 [ 10.440308] ? do_wp_page+0x369/0xe90 [ 10.440358] ? ___pte_offset_map+0x1b/0xd0 [ 10.440400] ? nfulnl_rcv_nl_event+0x36/0xa0 [ 10.440458] ? fsnotify_grab_connector+0x48/0x80 [ 10.440520] ? fsnotify_destroy_marks+0x29/0x150 [ 10.440574] __sys_sendmsg+0x71/0xd0 [ 10.440616] do_syscall_64+0xa4/0xfd0 [ 10.440663] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 10.440717] RIP: 0033:0x7f1d154391d7 [ 10.440763] 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 [ 10.440962] RSP: 002b:00007ffe105f0dc8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 10.441045] RAX: ffffffffffffffda RBX: 00007ffe105f14f0 RCX: 00007f1d154391d7 [ 10.441121] RDX: 0000000000000000 RSI: 00007ffe105f0e30 RDI: 0000000000000005 [ 10.441209] RBP: 0000000000000002 R08: 0000000000000003 R09: 0000000000000078 [ 10.441290] R10: 00007f1d15335f60 R11: 0000000000000246 R12: 0000000000000002 [ 10.441378] R13: 00000000690de8c2 R14: 0000000000499600 R15: 0000000000000000 [ 10.441454] [ 10.441485] ---[ end trace 0000000000000000 ]--- [ 10.442155] ip (617) used greatest stack depth: 11744 bytes left