[ 2.321459] ip (249) used greatest stack depth: 12408 bytes left [ 2.371838] ip (256) used greatest stack depth: 12344 bytes left [ 2.753822] br0: port 1(veth1) entered blocking state [ 2.753966] br0: port 1(veth1) entered disabled state [ 2.754069] veth1: entered allmulticast mode [ 2.754177] veth1: entered promiscuous mode [ 2.767508] br0: port 2(veth2) entered blocking state [ 2.767582] br0: port 2(veth2) entered disabled state [ 2.767645] veth2: entered allmulticast mode [ 2.767871] veth2: entered promiscuous mode [ 2.790484] br0: port 1(veth1) entered blocking state [ 2.790557] br0: port 1(veth1) entered forwarding state [ 2.802039] br0: port 2(veth2) entered blocking state [ 2.802163] br0: port 2(veth2) entered forwarding state [ 13.002644] GACT probability NOT on [ 13.003923] tc (318) used greatest stack depth: 11840 bytes left [ 119.422191] br0: port 1(veth1) entered disabled state [ 124.457239] br0: port 1(veth1) entered forwarding state [ 129.516670] br0: vlan filtering disabled, automatically disabling multicast vlan snooping [ 139.656418] br0: vlan filtering disabled, automatically disabling multicast vlan snooping [ 139.677212] br0: port 2(veth2) entered disabled state [ 139.689206] br0: port 1(veth1) entered disabled state [ 139.701425] veth2: left allmulticast mode [ 139.701517] veth2: left promiscuous mode [ 139.701574] br0: port 2(veth2) entered disabled state [ 139.701747] veth1: left allmulticast mode [ 139.701788] veth1: left promiscuous mode [ 139.701827] br0: port 1(veth1) entered disabled state [ 139.721530] ------------[ cut here ]------------ [ 139.721647] refcount_t: underflow; use-after-free. [ 139.721726] WARNING: CPU: 0 PID: 1667 at lib/refcount.c:28 refcount_warn_saturate+0xbc/0x110 [ 139.721837] Modules linked in: act_gact cls_flower sch_ingress bridge stp llc vrf veth [ 139.721939] CPU: 0 UID: 0 PID: 1667 Comm: ip Not tainted 6.18.0-rc4-virtme #1 PREEMPT(voluntary) [ 139.722028] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 139.722085] RIP: 0010:refcount_warn_saturate+0xbc/0x110 [ 139.722146] Code: 84 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 51 84 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 [ 139.722306] RSP: 0018:ffffb52582ad7730 EFLAGS: 00010282 [ 139.722360] RAX: 0000000000000000 RBX: ffffb52582ad7740 RCX: 00000000ffffdfff [ 139.722437] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001 [ 139.722527] RBP: ffffb52582ad7248 R08: ffffffff84956a28 R09: 00000000ffffdfff [ 139.722602] R10: ffffffff84876a40 R11: ffffffff84926a40 R12: dead000000000122 [ 139.722671] R13: 00000000fffd8d66 R14: 0000000000000001 R15: ffff982942ce1000 [ 139.722741] FS: 00007f82a7abd800(0000) GS:ffff9829f9bd9000(0000) knlGS:0000000000000000 [ 139.722813] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 139.722874] CR2: 00005609e0cc2760 CR3: 000000000947c002 CR4: 0000000000772ef0 [ 139.722944] PKRU: 55555554 [ 139.722974] Call Trace: [ 139.723015] [ 139.723044] netdev_run_todo+0x21a/0x550 [ 139.723123] rtnl_dellink+0x15b/0x350 [ 139.723182] ? virtio_fs_enqueue_req+0x352/0x570 [ 139.723249] ? netdev_run_todo+0x63/0x550 [ 139.723290] ? rtnl_bridge_getlink+0x1a0/0x1a0 [ 139.723333] rtnetlink_rcv_msg+0x358/0x400 [ 139.723367] ? get_page_from_freelist+0x15b4/0x1770 [ 139.723429] ? rtnl_calcit.isra.0+0x110/0x110 [ 139.723489] netlink_rcv_skb+0x57/0x100 [ 139.723542] netlink_unicast+0x252/0x380 [ 139.723583] ? __alloc_skb+0xdb/0x190 [ 139.723624] netlink_sendmsg+0x1be/0x3e0 [ 139.723658] ____sys_sendmsg+0x132/0x260 [ 139.723722] ? copy_msghdr_from_user+0x6c/0xa0 [ 139.723770] ___sys_sendmsg+0x87/0xd0 [ 139.723813] ? do_wp_page+0x369/0xe90 [ 139.723858] ? ___pte_offset_map+0x1b/0xd0 [ 139.723902] ? nfulnl_rcv_nl_event+0x36/0xa0 [ 139.723960] ? fsnotify_grab_connector+0x48/0x80 [ 139.724022] ? fsnotify_destroy_marks+0x29/0x150 [ 139.724075] __sys_sendmsg+0x71/0xd0 [ 139.724111] do_syscall_64+0xa4/0xfd0 [ 139.724166] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 139.724236] RIP: 0033:0x7f82a7c8b1d7 [ 139.724286] 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 [ 139.724454] RSP: 002b:00007ffdb3c12768 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 139.724539] RAX: ffffffffffffffda RBX: 00007ffdb3c12e90 RCX: 00007f82a7c8b1d7 [ 139.724613] RDX: 0000000000000000 RSI: 00007ffdb3c127d0 RDI: 0000000000000005 [ 139.724682] RBP: 0000000000000002 R08: 0000000000000003 R09: 0000000000000078 [ 139.724752] R10: 00007f82a7b87f60 R11: 0000000000000246 R12: 0000000000000002 [ 139.724821] R13: 00000000690de509 R14: 0000000000499600 R15: 0000000000000000 [ 139.724892] [ 139.724914] ---[ end trace 0000000000000000 ]--- [ 139.725611] ip (1667) used greatest stack depth: 11744 bytes left