[ 2.385588] ip (249) used greatest stack depth: 12344 bytes left [ 2.686279] 8021q: 802.1Q VLAN Support v1.8 [ 3.139272] GACT probability NOT on [ 3.141108] tc (365) used greatest stack depth: 11840 bytes left [ 3.310186] br10: port 1(veth1.10) entered blocking state [ 3.310272] br10: port 1(veth1.10) entered disabled state [ 3.310339] veth1.10: entered allmulticast mode [ 3.310398] veth1: entered allmulticast mode [ 3.310498] veth1.10: entered promiscuous mode [ 3.310554] veth1: entered promiscuous mode [ 3.369199] br11: port 1(veth1.11) entered blocking state [ 3.369269] br11: port 1(veth1.11) entered disabled state [ 3.369329] veth1.11: entered allmulticast mode [ 3.369427] veth1.11: entered promiscuous mode [ 3.471533] br10: port 2(veth2.10) entered blocking state [ 3.471615] br10: port 2(veth2.10) entered disabled state [ 3.471683] veth2.10: entered allmulticast mode [ 3.471753] veth2: entered allmulticast mode [ 3.471851] veth2.10: entered promiscuous mode [ 3.471932] veth2: entered promiscuous mode [ 3.532620] br11: port 2(veth2.11) entered blocking state [ 3.532711] br11: port 2(veth2.11) entered disabled state [ 3.532788] veth2.11: entered allmulticast mode [ 3.532910] veth2.11: entered promiscuous mode [ 3.591246] br10: port 2(veth2.10) entered blocking state [ 3.591349] br10: port 2(veth2.10) entered forwarding state [ 3.591421] br10: port 1(veth1.10) entered blocking state [ 3.591506] br10: port 1(veth1.10) entered forwarding state [ 3.607905] br11: port 2(veth2.11) entered blocking state [ 3.607992] br11: port 2(veth2.11) entered forwarding state [ 3.608067] br11: port 1(veth1.11) entered blocking state [ 3.608121] br11: port 1(veth1.11) entered forwarding state [ 26.972399] br11: port 2(veth2.11) entered disabled state [ 26.972485] br11: port 1(veth1.11) entered disabled state [ 26.984654] br10: port 2(veth2.10) entered disabled state [ 26.984768] br10: port 1(veth1.10) entered disabled state [ 27.009628] veth2.11: left allmulticast mode [ 27.009752] veth2.11: left promiscuous mode [ 27.009814] br11: port 2(veth2.11) entered disabled state [ 27.034135] ------------[ cut here ]------------ [ 27.034216] refcount_t: underflow; use-after-free. [ 27.034264] WARNING: CPU: 0 PID: 617 at lib/refcount.c:28 refcount_warn_saturate+0xbc/0x110 [ 27.034326] Modules linked in: sch_tbf bridge stp llc act_gact cls_flower sch_ingress 8021q vrf veth [ 27.034412] CPU: 0 UID: 0 PID: 617 Comm: ip Not tainted 6.18.0-rc4-virtme #1 PREEMPT(voluntary) [ 27.034476] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 27.034527] RIP: 0010:refcount_warn_saturate+0xbc/0x110 [ 27.034565] 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 d1 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 [ 27.034685] RSP: 0018:ffff9d8b0041f730 EFLAGS: 00010282 [ 27.034730] RAX: 0000000000000000 RBX: ffff9d8b0041f740 RCX: 00000000ffffdfff [ 27.034778] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001 [ 27.034826] RBP: ffff9d8b0041f248 R08: ffffffff9d156a28 R09: 00000000ffffdfff [ 27.034876] R10: ffffffff9d076a40 R11: ffffffff9d126a40 R12: dead000000000122 [ 27.034923] R13: 00000000fffbd523 R14: 0000000000000001 R15: ffff90084698c000 [ 27.034974] FS: 00007f3f6de21800(0000) GS:ffff9008e13d9000(0000) knlGS:0000000000000000 [ 27.035027] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 27.035074] CR2: 000055d3f87ea078 CR3: 0000000003026005 CR4: 0000000000772ef0 [ 27.035135] PKRU: 55555554 [ 27.035157] Call Trace: [ 27.035174] [ 27.035193] netdev_run_todo+0x21a/0x550 [ 27.035227] rtnl_dellink+0x15b/0x350 [ 27.035262] ? virtio_fs_enqueue_req+0x352/0x570 [ 27.035304] ? netdev_run_todo+0x63/0x550 [ 27.035336] ? rtnl_bridge_getlink+0x1a0/0x1a0 [ 27.035379] rtnetlink_rcv_msg+0x358/0x400 [ 27.035412] ? get_page_from_freelist+0x15b4/0x1770 [ 27.035451] ? rtnl_calcit.isra.0+0x110/0x110 [ 27.035489] netlink_rcv_skb+0x57/0x100 [ 27.035523] netlink_unicast+0x252/0x380 [ 27.035552] ? __alloc_skb+0xdb/0x190 [ 27.035584] netlink_sendmsg+0x1be/0x3e0 [ 27.035614] ____sys_sendmsg+0x132/0x260 [ 27.035645] ? copy_msghdr_from_user+0x6c/0xa0 [ 27.035683] ___sys_sendmsg+0x87/0xd0 [ 27.035719] ? do_wp_page+0x369/0xe90 [ 27.035750] ? ___pte_offset_map+0x1b/0xd0 [ 27.035781] ? nfulnl_rcv_nl_event+0x36/0xa0 [ 27.035823] ? fsnotify_grab_connector+0x48/0x80 [ 27.035861] ? fsnotify_destroy_marks+0x29/0x150 [ 27.035899] __sys_sendmsg+0x71/0xd0 [ 27.035931] do_syscall_64+0xa4/0xfd0 [ 27.035964] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 27.036002] RIP: 0033:0x7f3f6dfef1d7 [ 27.036031] 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 [ 27.036153] RSP: 002b:00007ffc43fff8b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 27.036223] RAX: ffffffffffffffda RBX: 00007ffc43ffffe0 RCX: 00007f3f6dfef1d7 [ 27.036295] RDX: 0000000000000000 RSI: 00007ffc43fff920 RDI: 0000000000000005 [ 27.036349] RBP: 0000000000000002 R08: 0000000000000003 R09: 0000000000000078 [ 27.036413] R10: 00007f3f6deebf60 R11: 0000000000000246 R12: 0000000000000002 [ 27.036468] R13: 00000000690de707 R14: 0000000000499600 R15: 0000000000000000 [ 27.036526] [ 27.036548] ---[ end trace 0000000000000000 ]--- [ 27.037027] ip (617) used greatest stack depth: 11744 bytes left [ 27.061709] veth2.10: left allmulticast mode [ 27.061778] veth2: left allmulticast mode [ 27.061816] veth2.10: left promiscuous mode [ 27.061848] veth2: left promiscuous mode [ 27.061901] br10: port 2(veth2.10) entered disabled state [ 27.131660] veth1.11: left allmulticast mode [ 27.131740] veth1.11: left promiscuous mode [ 27.131791] br11: port 1(veth1.11) entered disabled state [ 27.182058] veth1.10: left allmulticast mode [ 27.182135] veth1: left allmulticast mode [ 27.182263] veth1.10: left promiscuous mode [ 27.182292] veth1: left promiscuous mode [ 27.182330] br10: port 1(veth1.10) entered disabled state