[ 2.517743] br0: port 1(veth1) entered blocking state [ 2.517828] br0: port 1(veth1) entered disabled state [ 2.517936] veth1: entered allmulticast mode [ 2.518078] veth1: entered promiscuous mode [ 2.528142] br0: port 2(veth2) entered blocking state [ 2.528219] br0: port 2(veth2) entered disabled state [ 2.528288] veth2: entered allmulticast mode [ 2.528393] veth2: entered promiscuous mode [ 2.548263] br0: port 1(veth1) entered blocking state [ 2.548348] br0: port 1(veth1) entered forwarding state [ 2.558915] br0: port 2(veth2) entered blocking state [ 2.559038] br0: port 2(veth2) entered forwarding state [ 9.642532] veth0: entered promiscuous mode [ 9.715137] GACT probability NOT on [ 9.716504] tc (342) used greatest stack depth: 11840 bytes left [ 34.067860] veth0: left promiscuous mode [ 34.113431] veth3: entered promiscuous mode [ 35.245361] veth3: left promiscuous mode [ 35.268444] veth3: entered promiscuous mode [ 36.406871] veth3: left promiscuous mode [ 36.432679] veth3: entered promiscuous mode [ 37.561270] veth3: left promiscuous mode [ 37.584022] veth3: entered promiscuous mode [ 38.710768] veth3: left promiscuous mode [ 42.693817] br0: port 2(veth2) entered disabled state [ 42.706520] br0: port 1(veth1) entered disabled state [ 42.719760] veth2: left allmulticast mode [ 42.719836] veth2: left promiscuous mode [ 42.719899] br0: port 2(veth2) entered disabled state [ 42.720071] veth1: left allmulticast mode [ 42.720116] veth1: left promiscuous mode [ 42.720160] br0: port 1(veth1) entered disabled state [ 42.737490] ------------[ cut here ]------------ [ 42.737603] refcount_t: underflow; use-after-free. [ 42.737678] WARNING: CPU: 3 PID: 468 at lib/refcount.c:28 refcount_warn_saturate+0xbc/0x110 [ 42.737772] Modules linked in: act_gact cls_flower sch_ingress bridge stp llc vrf veth [ 42.737867] CPU: 3 UID: 0 PID: 468 Comm: ip Not tainted 6.18.0-rc4-virtme #1 PREEMPT(voluntary) [ 42.737971] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 42.738040] RIP: 0010:refcount_warn_saturate+0xbc/0x110 [ 42.738104] Code: 9a 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 b1 9a 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 [ 42.738299] RSP: 0018:ffffb55b00a07730 EFLAGS: 00010282 [ 42.738352] RAX: 0000000000000000 RBX: ffffb55b00a07740 RCX: 00000000ffffdfff [ 42.738431] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001 [ 42.738515] RBP: ffffb55b00a07248 R08: ffffffff9af56a28 R09: 00000000ffffdfff [ 42.738596] R10: ffffffff9ae76a40 R11: ffffffff9af26a40 R12: dead000000000122 [ 42.738674] R13: 00000000fffc128b R14: 0000000000000001 R15: ffff8f314616e000 [ 42.738753] FS: 00007f5f3de2d800(0000) GS:ffff8f31e3759000(0000) knlGS:0000000000000000 [ 42.738839] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.738903] CR2: 000055da3af42900 CR3: 0000000008585005 CR4: 0000000000772ef0 [ 42.738984] PKRU: 55555554 [ 42.739017] Call Trace: [ 42.739045] [ 42.739069] netdev_run_todo+0x21a/0x550 [ 42.739127] rtnl_dellink+0x15b/0x350 [ 42.739185] ? virtio_fs_enqueue_req+0x352/0x570 [ 42.739248] ? netdev_run_todo+0x63/0x550 [ 42.739294] ? rtnl_bridge_getlink+0x1a0/0x1a0 [ 42.739353] rtnetlink_rcv_msg+0x358/0x400 [ 42.739401] ? get_page_from_freelist+0x15b4/0x1770 [ 42.739464] ? rtnl_calcit.isra.0+0x110/0x110 [ 42.739526] netlink_rcv_skb+0x57/0x100 [ 42.739575] netlink_unicast+0x252/0x380 [ 42.739619] ? __alloc_skb+0xdb/0x190 [ 42.739666] netlink_sendmsg+0x1be/0x3e0 [ 42.739713] ____sys_sendmsg+0x132/0x260 [ 42.739765] ? copy_msghdr_from_user+0x6c/0xa0 [ 42.739826] ___sys_sendmsg+0x87/0xd0 [ 42.739870] ? do_wp_page+0x369/0xe90 [ 42.739917] ? ___pte_offset_map+0x1b/0xd0 [ 42.739965] ? nfulnl_rcv_nl_event+0x36/0xa0 [ 42.740029] ? fsnotify_grab_connector+0x48/0x80 [ 42.740089] ? fsnotify_destroy_marks+0x29/0x150 [ 42.740143] __sys_sendmsg+0x71/0xd0 [ 42.740191] do_syscall_64+0xa4/0xfd0 [ 42.740236] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 42.740293] RIP: 0033:0x7f5f3dffb1d7 [ 42.740340] 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 [ 42.740530] RSP: 002b:00007fff76c024a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 42.740612] RAX: ffffffffffffffda RBX: 00007fff76c02bd0 RCX: 00007f5f3dffb1d7 [ 42.740691] RDX: 0000000000000000 RSI: 00007fff76c02510 RDI: 0000000000000005 [ 42.740775] RBP: 0000000000000002 R08: 0000000000000003 R09: 0000000000000078 [ 42.740853] R10: 00007f5f3def7f60 R11: 0000000000000246 R12: 0000000000000002 [ 42.740930] R13: 00000000690dec63 R14: 0000000000499600 R15: 0000000000000000 [ 42.741012] [ 42.741045] ---[ end trace 0000000000000000 ]--- [ 42.741708] ip (468) used greatest stack depth: 11744 bytes left