[ 2.520025] gre: GRE over IPv4 demultiplexer driver [ 2.522124] ip_gre: GRE over IPv4 tunneling driver [ 2.606526] GACT probability NOT on [ 2.607611] tc (311) used greatest stack depth: 12000 bytes left [ 2.632352] ip6_gre: GRE over IPv6 tunneling driver [ 2.649288] ip6_tunnel: h3-gt6 xmit: Local address not yet configured! [ 2.661292] ip6_tunnel: h3-gt6 xmit: Local address not yet configured! [ 2.778911] br1: port 1(veth1) entered blocking state [ 2.778990] br1: port 1(veth1) entered disabled state [ 2.779054] veth1: entered allmulticast mode [ 2.779158] veth1: entered promiscuous mode [ 2.789393] br1: port 1(veth1) entered blocking state [ 2.789471] br1: port 1(veth1) entered forwarding state [ 2.799049] br1: port 2(veth2) entered blocking state [ 2.799128] br1: port 2(veth2) entered disabled state [ 2.799190] veth2: entered allmulticast mode [ 2.799295] veth2: entered promiscuous mode [ 2.809628] br1: port 2(veth2) entered blocking state [ 2.809737] br1: port 2(veth2) entered forwarding state [ 2.870297] ip6_tunnel: gt6 xmit: Local address not yet configured! [ 2.891289] ip6_tunnel: gt6 xmit: Local address not yet configured! [ 2.926378] 8021q: 802.1Q VLAN Support v1.8 [ 2.948518] br2: port 1(veth4.555) entered blocking state [ 2.948600] br2: port 1(veth4.555) entered disabled state [ 2.948677] veth4.555: entered allmulticast mode [ 2.948737] veth4: entered allmulticast mode [ 2.948836] veth4.555: entered promiscuous mode [ 2.948901] veth4: entered promiscuous mode [ 2.948960] br2: port 1(veth4.555) entered blocking state [ 2.949020] br2: port 1(veth4.555) entered forwarding state [ 3.013356] ip6_tunnel: h3-gt6 xmit: Local address not yet configured! [ 3.358321] ip6_tunnel: h3-gt6 xmit: Local address not yet configured! [ 3.678397] ip6_tunnel: gt6 xmit: Local address not yet configured! [ 3.933320] ip6_tunnel: gt6 xmit: Local address not yet configured! [ 3.933447] ip6_tunnel: gt6 xmit: Local address not yet configured! [ 4.310302] ip6_tunnel: gt6 xmit: Local address not yet configured! [ 8.184455] Mirror/redirect action on [ 8.222289] ip6_tnl_xmit_ctl: 3 callbacks suppressed [ 8.222296] ip6_tunnel: h3-gt6 xmit: Local address not yet configured! [ 16.477331] ip6_tunnel: h3-gt6 xmit: Local address not yet configured! [ 31.326276] ip6_tunnel: h3-gt6 xmit: Local address not yet configured! [ 43.709928] br2: port 1(veth4.555) entered disabled state [ 47.953322] br2: port 1(veth4.555) entered forwarding state [ 55.444240] br2: port 1(veth4.555) entered disabled state [ 59.672468] br2: port 1(veth4.555) entered forwarding state [ 59.998294] ip6_tunnel: h3-gt6 xmit: Local address not yet configured! [ 63.971357] ------------[ cut here ]------------ [ 63.971493] refcount_t: underflow; use-after-free. [ 63.971615] WARNING: CPU: 2 PID: 777 at lib/refcount.c:28 refcount_warn_saturate+0xbc/0x110 [ 63.971725] Modules linked in: cls_flower act_mirred 8021q bridge stp llc ip6_gre ip6_tunnel tunnel6 act_gact cls_matchall ip_gre gre sch_ingress vrf veth [ 63.971884] CPU: 2 UID: 0 PID: 777 Comm: ip Not tainted 6.18.0-rc4-virtme #1 PREEMPT(voluntary) [ 63.972014] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 63.972092] RIP: 0010:refcount_warn_saturate+0xbc/0x110 [ 63.972158] Code: 9a 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 91 9a 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 [ 63.972338] RSP: 0018:ffffa6d74103f730 EFLAGS: 00010282 [ 63.972405] RAX: 0000000000000000 RBX: ffffa6d74103f740 RCX: 00000000ffffdfff [ 63.972492] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001 [ 63.972581] RBP: ffffa6d74103f248 R08: ffffffff9ad56a28 R09: 00000000ffffdfff [ 63.972667] R10: ffffffff9ac76a40 R11: ffffffff9ad26a40 R12: dead000000000122 [ 63.972752] R13: 00000000fffc6586 R14: 0000000000000001 R15: ffff951306f9d000 [ 63.972841] FS: 00007f383885e800(0000) GS:ffff9513a38d9000(0000) knlGS:0000000000000000 [ 63.972927] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 63.973002] CR2: 00000000004e6e70 CR3: 0000000006e24006 CR4: 0000000000772ef0 [ 63.973089] PKRU: 55555554 [ 63.973139] Call Trace: [ 63.973191] [ 63.973241] netdev_run_todo+0x21a/0x550 [ 63.973317] rtnl_dellink+0x15b/0x350 [ 63.973384] ? virtio_fs_enqueue_req+0x352/0x570 [ 63.973457] ? netdev_run_todo+0x63/0x550 [ 63.973516] ? rtnl_bridge_getlink+0x1a0/0x1a0 [ 63.973591] rtnetlink_rcv_msg+0x358/0x400 [ 63.973656] ? get_page_from_freelist+0x15b4/0x1770 [ 63.973729] ? rtnl_calcit.isra.0+0x110/0x110 [ 63.973795] netlink_rcv_skb+0x57/0x100 [ 63.973856] netlink_unicast+0x252/0x380 [ 63.973911] ? __alloc_skb+0xdb/0x190 [ 63.973971] netlink_sendmsg+0x1be/0x3e0 [ 63.974028] ____sys_sendmsg+0x132/0x260 [ 63.974089] ? copy_msghdr_from_user+0x6c/0xa0 [ 63.974155] ___sys_sendmsg+0x87/0xd0 [ 63.974211] ? do_wp_page+0x369/0xe90 [ 63.974282] ? ___pte_offset_map+0x1b/0xd0 [ 63.974348] ? nfulnl_rcv_nl_event+0x36/0xa0 [ 63.974424] ? fsnotify_grab_connector+0x48/0x80 [ 63.974498] ? fsnotify_destroy_marks+0x29/0x150 [ 63.974568] __sys_sendmsg+0x71/0xd0 [ 63.974630] do_syscall_64+0xa4/0xfd0 [ 63.974688] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 63.974758] RIP: 0033:0x7f3838a2c1d7 [ 63.974817] 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 [ 63.974983] RSP: 002b:00007ffc690745f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 63.975073] RAX: ffffffffffffffda RBX: 00007ffc69074d20 RCX: 00007f3838a2c1d7 [ 63.975157] RDX: 0000000000000000 RSI: 00007ffc69074660 RDI: 0000000000000005 [ 63.975240] RBP: 0000000000000002 R08: 0000000000000003 R09: 0000000000000078 [ 63.975334] R10: 00007f3838928f60 R11: 0000000000000246 R12: 0000000000000002 [ 63.975418] R13: 00000000690dec3f R14: 0000000000499600 R15: 0000000000000000 [ 63.975502] [ 63.975545] ---[ end trace 0000000000000000 ]--- [ 63.976218] ip (777) used greatest stack depth: 11744 bytes left [ 63.988181] veth4.555: left allmulticast mode [ 63.988250] veth4: left allmulticast mode [ 63.988303] veth4.555: left promiscuous mode [ 63.988353] veth4: left promiscuous mode [ 63.988419] br2: port 1(veth4.555) entered disabled state [ 64.092483] br1: port 1(veth1) entered disabled state [ 64.103575] br1: port 2(veth2) entered disabled state [ 64.115326] veth2: left allmulticast mode [ 64.115426] veth2: left promiscuous mode [ 64.115501] br1: port 2(veth2) entered disabled state [ 64.115684] veth1: left allmulticast mode [ 64.115746] veth1: left promiscuous mode [ 64.115814] br1: port 1(veth1) entered disabled state