[ 2.274502] ip (249) used greatest stack depth: 12344 bytes left [ 2.369189] ip (264) used greatest stack depth: 12328 bytes left [ 8.160795] tc (341) used greatest stack depth: 11840 bytes left [ 8.188411] GACT probability NOT on [ 49.091365] Mirror/redirect action on [ 111.110119] ------------[ cut here ]------------ [ 111.110257] refcount_t: underflow; use-after-free. [ 111.110330] WARNING: CPU: 2 PID: 934 at lib/refcount.c:28 refcount_warn_saturate+0xbc/0x110 [ 111.110437] Modules linked in: act_mirred act_gact act_police cls_flower sch_ingress vrf veth [ 111.110550] CPU: 2 UID: 0 PID: 934 Comm: ip Not tainted 6.18.0-rc4-virtme #1 PREEMPT(voluntary) [ 111.110631] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 111.110694] RIP: 0010:refcount_warn_saturate+0xbc/0x110 [ 111.110751] Code: 93 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 93 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 [ 111.110907] RSP: 0018:ffff9bd240b7f730 EFLAGS: 00010282 [ 111.110974] RAX: 0000000000000000 RBX: ffff9bd240b7f740 RCX: 00000000ffffdfff [ 111.111124] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001 [ 111.111208] RBP: ffff9bd240b7f248 R08: ffffffff93f56a28 R09: 00000000ffffdfff [ 111.111280] R10: ffffffff93e76a40 R11: ffffffff93f26a40 R12: dead000000000122 [ 111.111350] R13: 00000000fffd1d9d R14: 0000000000000001 R15: ffff8da3053f4000 [ 111.111438] FS: 00007fe6c8d20800(0000) GS:ffff8da3aa6d9000(0000) knlGS:0000000000000000 [ 111.111521] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 111.111617] CR2: 00000000004e73d8 CR3: 0000000006b9b001 CR4: 0000000000772ef0 [ 111.111688] PKRU: 55555554 [ 111.111727] Call Trace: [ 111.111775] [ 111.111820] netdev_run_todo+0x21a/0x550 [ 111.111886] rtnl_dellink+0x15b/0x350 [ 111.111942] ? virtio_fs_enqueue_req+0x352/0x570 [ 111.112015] ? netdev_run_todo+0x63/0x550 [ 111.112064] ? rtnl_bridge_getlink+0x1a0/0x1a0 [ 111.112127] rtnetlink_rcv_msg+0x358/0x400 [ 111.112184] ? get_page_from_freelist+0x15b4/0x1770 [ 111.112246] ? rtnl_calcit.isra.0+0x110/0x110 [ 111.112303] netlink_rcv_skb+0x57/0x100 [ 111.112362] netlink_unicast+0x252/0x380 [ 111.112412] ? __alloc_skb+0xdb/0x190 [ 111.112476] netlink_sendmsg+0x1be/0x3e0 [ 111.112527] ____sys_sendmsg+0x132/0x260 [ 111.112577] ? copy_msghdr_from_user+0x6c/0xa0 [ 111.112635] ___sys_sendmsg+0x87/0xd0 [ 111.112684] ? do_wp_page+0x369/0xe90 [ 111.112735] ? nfulnl_rcv_nl_event+0x36/0xa0 [ 111.112802] ? fsnotify_grab_connector+0x48/0x80 [ 111.112910] ? fsnotify_destroy_marks+0x29/0x150 [ 111.113001] __sys_sendmsg+0x71/0xd0 [ 111.113061] do_syscall_64+0xa4/0xfd0 [ 111.113121] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 111.113196] RIP: 0033:0x7fe6c8eee1d7 [ 111.113245] 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 [ 111.113418] RSP: 002b:00007fffa3bf8de8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 111.113508] RAX: ffffffffffffffda RBX: 00007fffa3bf9510 RCX: 00007fe6c8eee1d7 [ 111.113610] RDX: 0000000000000000 RSI: 00007fffa3bf8e50 RDI: 0000000000000005 [ 111.113680] RBP: 0000000000000002 R08: 0000000000000003 R09: 0000000000000078 [ 111.113780] R10: 00007fe6c8deaf60 R11: 0000000000000246 R12: 0000000000000002 [ 111.113875] R13: 00000000690de5ad R14: 0000000000499600 R15: 0000000000000000 [ 111.113964] [ 111.114004] ---[ end trace 0000000000000000 ]--- [ 111.114561] ip (934) used greatest stack depth: 11744 bytes left