[ 2.213402] ip (255) used greatest stack depth: 12328 bytes left [ 8.026210] GACT probability NOT on [ 8.101471] tc (362) used greatest stack depth: 12000 bytes left [ 8.582983] ------------[ cut here ]------------ [ 8.583148] refcount_t: underflow; use-after-free. [ 8.583227] WARNING: CPU: 2 PID: 422 at lib/refcount.c:28 refcount_warn_saturate+0xbc/0x110 [ 8.583330] Modules linked in: act_tunnel_key cls_matchall act_gact cls_flower sch_ingress vxlan ip6_udp_tunnel udp_tunnel vrf veth [ 8.583450] CPU: 2 UID: 0 PID: 422 Comm: ip Not tainted 6.18.0-rc4-virtme #1 PREEMPT(voluntary) [ 8.583535] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 8.583603] RIP: 0010:refcount_warn_saturate+0xbc/0x110 [ 8.583673] Code: a3 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 71 a3 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 [ 8.583810] RSP: 0018:ffffbe39003cb730 EFLAGS: 00010282 [ 8.583877] RAX: 0000000000000000 RBX: ffffbe39003cb740 RCX: 00000000ffffdfff [ 8.583958] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001 [ 8.584034] RBP: ffffbe39003cb248 R08: ffffffffa3b56a28 R09: 00000000ffffdfff [ 8.584109] R10: ffffffffa3a76a40 R11: ffffffffa3b26a40 R12: dead000000000122 [ 8.584184] R13: 00000000fffb8d24 R14: 0000000000000001 R15: ffff9ce4c2c75000 [ 8.584262] FS: 00007f34970cc800(0000) GS:ffff9ce55aad9000(0000) knlGS:0000000000000000 [ 8.584354] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8.584508] CR2: 00005649aa279cd0 CR3: 00000000051cf003 CR4: 0000000000772ef0 [ 8.584618] PKRU: 55555554 [ 8.584674] Call Trace: [ 8.584741] [ 8.584786] netdev_run_todo+0x21a/0x550 [ 8.584847] rtnl_dellink+0x15b/0x350 [ 8.584915] ? virtio_fs_enqueue_req+0x352/0x570 [ 8.584986] ? netdev_run_todo+0x63/0x550 [ 8.585086] ? rtnl_bridge_getlink+0x1a0/0x1a0 [ 8.585162] rtnetlink_rcv_msg+0x358/0x400 [ 8.585226] ? get_page_from_freelist+0x15b4/0x1770 [ 8.585324] ? rtnl_calcit.isra.0+0x110/0x110 [ 8.585402] netlink_rcv_skb+0x57/0x100 [ 8.585473] netlink_unicast+0x252/0x380 [ 8.585525] ? __alloc_skb+0xdb/0x190 [ 8.585575] netlink_sendmsg+0x1be/0x3e0 [ 8.585633] ____sys_sendmsg+0x132/0x260 [ 8.585694] ? copy_msghdr_from_user+0x6c/0xa0 [ 8.585757] ___sys_sendmsg+0x87/0xd0 [ 8.585807] ? do_wp_page+0x369/0xe90 [ 8.585868] ? nfulnl_rcv_nl_event+0x36/0xa0 [ 8.585941] ? fsnotify_grab_connector+0x48/0x80 [ 8.586006] ? fsnotify_destroy_marks+0x29/0x150 [ 8.586062] __sys_sendmsg+0x71/0xd0 [ 8.586111] do_syscall_64+0xa4/0xfd0 [ 8.586162] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 8.586218] RIP: 0033:0x7f349729a1d7 [ 8.586276] 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 [ 8.586413] RSP: 002b:00007ffd00cb90f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 8.586485] RAX: ffffffffffffffda RBX: 00007ffd00cb9820 RCX: 00007f349729a1d7 [ 8.586601] RDX: 0000000000000000 RSI: 00007ffd00cb9160 RDI: 0000000000000005 [ 8.586683] RBP: 0000000000000002 R08: 0000000000000003 R09: 0000000000000078 [ 8.586781] R10: 00007f3497196f60 R11: 0000000000000246 R12: 0000000000000002 [ 8.586887] R13: 00000000690de8e6 R14: 0000000000499600 R15: 0000000000000000 [ 8.586994] [ 8.587043] ---[ end trace 0000000000000000 ]--- [ 8.587664] ip (422) used greatest stack depth: 11744 bytes left