[ 2.145982] ip (247) used greatest stack depth: 12424 bytes left [ 2.192897] ip (256) used greatest stack depth: 12344 bytes left [ 2.670426] gre: GRE over IPv4 demultiplexer driver [ 2.672088] ip_gre: GRE over IPv4 tunneling driver [ 2.759717] GACT probability NOT on [ 2.761086] tc (311) used greatest stack depth: 11976 bytes left [ 2.790370] ip6_gre: GRE over IPv6 tunneling driver [ 2.809923] ip6_tunnel: h3-gt6 xmit: Local address not yet configured! [ 2.820874] ip6_tunnel: h3-gt6 xmit: Local address not yet configured! [ 2.942864] ip6_tunnel: h3-gt6 xmit: Local address not yet configured! [ 2.960695] br1: port 1(veth1) entered blocking state [ 2.960811] br1: port 1(veth1) entered disabled state [ 2.960922] veth1: entered allmulticast mode [ 2.961056] veth1: entered promiscuous mode [ 2.973026] br1: port 1(veth1) entered blocking state [ 2.973130] br1: port 1(veth1) entered forwarding state [ 2.985178] br1: port 2(veth2) entered blocking state [ 2.985285] br1: port 2(veth2) entered disabled state [ 2.985416] veth2: entered allmulticast mode [ 2.985556] veth2: entered promiscuous mode [ 2.997012] br1: port 2(veth2) entered blocking state [ 2.997086] br1: port 2(veth2) entered forwarding state [ 3.065880] ip6_tunnel: gt6 xmit: Local address not yet configured! [ 3.114785] br2: port 1(veth4) entered blocking state [ 3.114953] br2: port 1(veth4) entered disabled state [ 3.115050] veth4: entered allmulticast mode [ 3.115188] veth4: entered promiscuous mode [ 3.115266] br2: port 1(veth4) entered blocking state [ 3.115344] br2: port 1(veth4) entered forwarding state [ 3.366898] ip6_tunnel: h3-gt6 xmit: Local address not yet configured! [ 3.814976] ip6_tunnel: gt6 xmit: Local address not yet configured! [ 3.878894] ip6_tunnel: gt6 xmit: Local address not yet configured! [ 4.006905] ip6_tunnel: h3-gt6 xmit: Local address not yet configured! [ 4.007069] ip6_tunnel: h3-gt6 xmit: Local address not yet configured! [ 4.342900] ip6_tunnel: h3-gt6 xmit: Local address not yet configured! [ 7.974889] ip6_tunnel: h3-gt6 xmit: Local address not yet configured! [ 8.369311] Mirror/redirect action on [ 15.974875] ip6_tunnel: h3-gt6 xmit: Local address not yet configured! [ 32.358889] ip6_tunnel: h3-gt6 xmit: Local address not yet configured! [ 34.331378] veth4: left allmulticast mode [ 34.331459] veth4: left promiscuous mode [ 34.331504] br2: port 1(veth4) entered disabled state [ 34.355888] ------------[ cut here ]------------ [ 34.356021] refcount_t: underflow; use-after-free. [ 34.356092] WARNING: CPU: 3 PID: 574 at lib/refcount.c:28 refcount_warn_saturate+0xbc/0x110 [ 34.356158] Modules linked in: cls_flower act_mirred bridge stp llc ip6_gre ip6_tunnel tunnel6 act_gact cls_matchall ip_gre gre sch_ingress vrf veth [ 34.356294] CPU: 3 UID: 0 PID: 574 Comm: ip Not tainted 6.18.0-rc4-virtme #1 PREEMPT(voluntary) [ 34.356369] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 34.356424] RIP: 0010:refcount_warn_saturate+0xbc/0x110 [ 34.356477] Code: 85 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 85 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 [ 34.356603] RSP: 0018:ffffb61380cff730 EFLAGS: 00010282 [ 34.356642] RAX: 0000000000000000 RBX: ffffb61380cff740 RCX: 00000000ffffdfff [ 34.356701] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001 [ 34.356756] RBP: ffffb61380cff248 R08: ffffffff86156a28 R09: 00000000ffffdfff [ 34.356804] R10: ffffffff86076a40 R11: ffffffff86126a40 R12: dead000000000122 [ 34.356868] R13: 00000000fffbf1cd R14: 0000000000000001 R15: ffff991386131000 [ 34.356926] FS: 00007f841d3ad800(0000) GS:ffff991438559000(0000) knlGS:0000000000000000 [ 34.356996] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 34.357045] CR2: 00000000004e68d8 CR3: 0000000003d45003 CR4: 0000000000772ef0 [ 34.357103] PKRU: 55555554 [ 34.357124] Call Trace: [ 34.357149] [ 34.357168] netdev_run_todo+0x21a/0x550 [ 34.357212] rtnl_dellink+0x15b/0x350 [ 34.357251] ? virtio_fs_enqueue_req+0x352/0x570 [ 34.357295] ? netdev_run_todo+0x63/0x550 [ 34.357326] ? rtnl_bridge_getlink+0x1a0/0x1a0 [ 34.357364] rtnetlink_rcv_msg+0x358/0x400 [ 34.357396] ? get_page_from_freelist+0x15b4/0x1770 [ 34.357448] ? rtnl_calcit.isra.0+0x110/0x110 [ 34.357487] netlink_rcv_skb+0x57/0x100 [ 34.357526] netlink_unicast+0x252/0x380 [ 34.357559] ? __alloc_skb+0xdb/0x190 [ 34.357593] netlink_sendmsg+0x1be/0x3e0 [ 34.357623] ____sys_sendmsg+0x132/0x260 [ 34.357657] ? copy_msghdr_from_user+0x6c/0xa0 [ 34.357700] ___sys_sendmsg+0x87/0xd0 [ 34.357730] ? do_wp_page+0x369/0xe90 [ 34.357766] ? ___pte_offset_map+0x1b/0xd0 [ 34.357800] ? nfulnl_rcv_nl_event+0x36/0xa0 [ 34.357856] ? fsnotify_grab_connector+0x48/0x80 [ 34.357900] ? fsnotify_destroy_marks+0x29/0x150 [ 34.357944] __sys_sendmsg+0x71/0xd0 [ 34.357978] do_syscall_64+0xa4/0xfd0 [ 34.358014] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 34.358068] RIP: 0033:0x7f841d57b1d7 [ 34.358099] 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 [ 34.358217] RSP: 002b:00007ffe163e02b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 34.358272] RAX: ffffffffffffffda RBX: 00007ffe163e09e0 RCX: 00007f841d57b1d7 [ 34.358326] RDX: 0000000000000000 RSI: 00007ffe163e0320 RDI: 0000000000000005 [ 34.358376] RBP: 0000000000000002 R08: 0000000000000003 R09: 0000000000000078 [ 34.358425] R10: 00007f841d477f60 R11: 0000000000000246 R12: 0000000000000002 [ 34.358485] R13: 00000000690de6a8 R14: 0000000000499600 R15: 0000000000000000 [ 34.358538] [ 34.358559] ---[ end trace 0000000000000000 ]--- [ 34.359212] ip (574) used greatest stack depth: 11744 bytes left [ 34.431130] br1: port 1(veth1) entered disabled state [ 34.442195] br1: port 2(veth2) entered disabled state [ 34.453072] veth2: left allmulticast mode [ 34.453134] veth2: left promiscuous mode [ 34.453176] br1: port 2(veth2) entered disabled state [ 34.453286] veth1: left allmulticast mode [ 34.453316] veth1: left promiscuous mode [ 34.453364] br1: port 1(veth1) entered disabled state