[ 2.524375] br1: port 1(veth1) entered blocking state [ 2.524488] br1: port 1(veth1) entered disabled state [ 2.524612] veth1: entered allmulticast mode [ 2.524732] veth1: entered promiscuous mode [ 2.536608] br1: port 1(veth1) entered blocking state [ 2.536704] br1: port 1(veth1) entered forwarding state [ 9.717616] veth1: left allmulticast mode [ 9.717680] veth1: left promiscuous mode [ 9.717719] br1: port 1(veth1) entered disabled state [ 11.741551] br1: port 1(veth1) entered blocking state [ 11.741630] br1: port 1(veth1) entered disabled state [ 11.741709] veth1: entered allmulticast mode [ 11.741815] veth1: entered promiscuous mode [ 11.741865] br1: port 1(veth1) entered blocking state [ 11.741904] br1: port 1(veth1) entered forwarding state [ 29.916103] veth1: left allmulticast mode [ 29.916171] veth1: left promiscuous mode [ 29.916226] br1: port 1(veth1) entered disabled state [ 31.951723] br1: port 1(veth1) entered blocking state [ 31.951814] br1: port 1(veth1) entered disabled state [ 31.951880] veth1: entered allmulticast mode [ 31.951993] veth1: entered promiscuous mode [ 31.952049] br1: port 1(veth1) entered blocking state [ 31.952112] br1: port 1(veth1) entered forwarding state [ 34.048847] br1: port 1(veth1) entered disabled state [ 34.059854] veth1: left allmulticast mode [ 34.059930] veth1: left promiscuous mode [ 34.059978] br1: port 1(veth1) entered disabled state [ 34.086436] ------------[ cut here ]------------ [ 34.086618] refcount_t: underflow; use-after-free. [ 34.086717] WARNING: CPU: 2 PID: 505 at lib/refcount.c:28 refcount_warn_saturate+0xbc/0x110 [ 34.086822] Modules linked in: bridge stp llc vrf veth [ 34.086912] CPU: 2 UID: 0 PID: 505 Comm: ip Not tainted 6.18.0-rc4-virtme #1 PREEMPT(voluntary) [ 34.087021] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 34.087108] RIP: 0010:refcount_warn_saturate+0xbc/0x110 [ 34.087188] Code: 8b 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 8b 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 [ 34.087372] RSP: 0018:ffffa79340a47730 EFLAGS: 00010282 [ 34.087456] RAX: 0000000000000000 RBX: ffffa79340a47740 RCX: 00000000ffffdfff [ 34.087550] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001 [ 34.087649] RBP: ffffa79340a47248 R08: ffffffff8bf56a28 R09: 00000000ffffdfff [ 34.087750] R10: ffffffff8be76a40 R11: ffffffff8bf26a40 R12: dead000000000122 [ 34.087850] R13: 00000000fffbf0c5 R14: 0000000000000001 R15: ffff9adc05263000 [ 34.087952] FS: 00007f98360b5800(0000) GS:ffff9adcb26d9000(0000) knlGS:0000000000000000 [ 34.088051] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 34.088138] CR2: 000055a914f23500 CR3: 000000000520f004 CR4: 0000000000772ef0 [ 34.088236] PKRU: 55555554 [ 34.088292] Call Trace: [ 34.088350] [ 34.088409] netdev_run_todo+0x21a/0x550 [ 34.088486] rtnl_dellink+0x15b/0x350 [ 34.088558] ? virtio_fs_enqueue_req+0x352/0x570 [ 34.088641] ? netdev_run_todo+0x63/0x550 [ 34.088705] ? rtnl_bridge_getlink+0x1a0/0x1a0 [ 34.088782] rtnetlink_rcv_msg+0x358/0x400 [ 34.088848] ? get_page_from_freelist+0x15b4/0x1770 [ 34.088929] ? rtnl_calcit.isra.0+0x110/0x110 [ 34.089010] netlink_rcv_skb+0x57/0x100 [ 34.089082] netlink_unicast+0x252/0x380 [ 34.089149] ? __alloc_skb+0xdb/0x190 [ 34.089219] netlink_sendmsg+0x1be/0x3e0 [ 34.089283] ____sys_sendmsg+0x132/0x260 [ 34.089357] ? copy_msghdr_from_user+0x6c/0xa0 [ 34.089448] ___sys_sendmsg+0x87/0xd0 [ 34.089516] ? do_wp_page+0x369/0xe90 [ 34.089585] ? ___pte_offset_map+0x1b/0xd0 [ 34.089652] ? nfulnl_rcv_nl_event+0x36/0xa0 [ 34.089735] ? fsnotify_grab_connector+0x48/0x80 [ 34.089818] ? fsnotify_destroy_marks+0x29/0x150 [ 34.089896] __sys_sendmsg+0x71/0xd0 [ 34.089968] do_syscall_64+0xa4/0xfd0 [ 34.090039] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 34.090121] RIP: 0033:0x7f98362831d7 [ 34.090189] 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 [ 34.090377] RSP: 002b:00007ffde04749e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 34.090484] RAX: ffffffffffffffda RBX: 00007ffde0475110 RCX: 00007f98362831d7 [ 34.090586] RDX: 0000000000000000 RSI: 00007ffde0474a50 RDI: 0000000000000005 [ 34.090686] RBP: 0000000000000002 R08: 0000000000000003 R09: 0000000000000078 [ 34.090781] R10: 00007f983617ff60 R11: 0000000000000246 R12: 0000000000000002 [ 34.090880] R13: 00000000690decd4 R14: 0000000000499600 R15: 0000000000000000 [ 34.090982] [ 34.091036] ---[ end trace 0000000000000000 ]--- [ 34.091708] ip (505) used greatest stack depth: 11744 bytes left