[ 2.421721] gre: GRE over IPv4 demultiplexer driver [ 2.423409] ip_gre: GRE over IPv4 tunneling driver [ 2.503976] GACT probability NOT on [ 2.505201] tc (310) used greatest stack depth: 12000 bytes left [ 2.532185] ip6_gre: GRE over IPv6 tunneling driver [ 2.545392] ip6_tunnel: h3-gt6 xmit: Local address not yet configured! [ 2.547480] ip6_tunnel: h3-gt6 xmit: Local address not yet configured! [ 2.560484] ip6_tunnel: h3-gt6 xmit: Local address not yet configured! [ 2.577479] ip6_tunnel: h3-gt6 xmit: Local address not yet configured! [ 2.675906] br1: port 1(veth1) entered blocking state [ 2.675984] br1: port 1(veth1) entered disabled state [ 2.676045] veth1: entered allmulticast mode [ 2.676137] veth1: entered promiscuous mode [ 2.686547] br1: port 1(veth1) entered blocking state [ 2.686665] br1: port 1(veth1) entered forwarding state [ 2.696854] br1: port 2(veth2) entered blocking state [ 2.696922] br1: port 2(veth2) entered disabled state [ 2.696985] veth2: entered allmulticast mode [ 2.697079] veth2: entered promiscuous mode [ 2.707757] br1: port 2(veth2) entered blocking state [ 2.707872] br1: port 2(veth2) entered forwarding state [ 2.734484] ip6_tunnel: h3-gt6 xmit: Local address not yet configured! [ 2.770475] ip6_tunnel: gt6 xmit: Local address not yet configured! [ 2.789766] 8021q: 802.1Q VLAN Support v1.8 [ 3.015487] ip6_tunnel: gt6 xmit: Local address not yet configured! [ 3.094489] ip6_tunnel: gt6 xmit: Local address not yet configured! [ 3.615571] ip6_tunnel: h3-gt6 xmit: Local address not yet configured! [ 3.615717] ip6_tunnel: h3-gt6 xmit: Local address not yet configured! [ 8.093850] Mirror/redirect action on [ 14.943505] ip6_tnl_xmit_ctl: 2 callbacks suppressed [ 14.943512] ip6_tunnel: h3-gt6 xmit: Local address not yet configured! [ 21.019509] ------------[ cut here ]------------ [ 21.019657] refcount_t: underflow; use-after-free. [ 21.019739] WARNING: CPU: 2 PID: 471 at lib/refcount.c:28 refcount_warn_saturate+0xbc/0x110 [ 21.019831] 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 [ 21.019973] CPU: 2 UID: 0 PID: 471 Comm: ip Not tainted 6.18.0-rc4-virtme #1 PREEMPT(voluntary) [ 21.020068] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 21.020144] RIP: 0010:refcount_warn_saturate+0xbc/0x110 [ 21.020215] Code: b7 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 b7 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 [ 21.020380] RSP: 0018:ffffaec9c03db730 EFLAGS: 00010282 [ 21.020452] RAX: 0000000000000000 RBX: ffffaec9c03db740 RCX: 00000000ffffdfff [ 21.020536] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001 [ 21.020621] RBP: ffffaec9c03db248 R08: ffffffffb7f56a28 R09: 00000000ffffdfff [ 21.020710] R10: ffffffffb7e76a40 R11: ffffffffb7f26a40 R12: dead000000000122 [ 21.020796] R13: 00000000fffbbdbd R14: 0000000000000001 R15: ffff916984f55000 [ 21.020883] FS: 00007fd5c9889800(0000) GS:ffff916a066d9000(0000) knlGS:0000000000000000 [ 21.020973] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 21.021050] CR2: 0000561a31a0a890 CR3: 0000000002e36006 CR4: 0000000000772ef0 [ 21.021135] PKRU: 55555554 [ 21.021179] Call Trace: [ 21.021227] [ 21.021273] netdev_run_todo+0x21a/0x550 [ 21.021335] rtnl_dellink+0x15b/0x350 [ 21.021395] ? virtio_fs_enqueue_req+0x352/0x570 [ 21.021473] ? netdev_run_todo+0x63/0x550 [ 21.021529] ? rtnl_bridge_getlink+0x1a0/0x1a0 [ 21.021600] rtnetlink_rcv_msg+0x358/0x400 [ 21.021658] ? get_page_from_freelist+0x15b4/0x1770 [ 21.021727] ? rtnl_calcit.isra.0+0x110/0x110 [ 21.021791] netlink_rcv_skb+0x57/0x100 [ 21.021851] netlink_unicast+0x252/0x380 [ 21.021906] ? __alloc_skb+0xdb/0x190 [ 21.021965] netlink_sendmsg+0x1be/0x3e0 [ 21.022020] ____sys_sendmsg+0x132/0x260 [ 21.022078] ? copy_msghdr_from_user+0x6c/0xa0 [ 21.022145] ___sys_sendmsg+0x87/0xd0 [ 21.022201] ? do_wp_page+0x369/0xe90 [ 21.022260] ? ___pte_offset_map+0x1b/0xd0 [ 21.022317] ? nfulnl_rcv_nl_event+0x36/0xa0 [ 21.022385] ? fsnotify_grab_connector+0x48/0x80 [ 21.022457] ? fsnotify_destroy_marks+0x29/0x150 [ 21.022523] __sys_sendmsg+0x71/0xd0 [ 21.022582] do_syscall_64+0xa4/0xfd0 [ 21.022640] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 21.022707] RIP: 0033:0x7fd5c9a571d7 [ 21.022764] 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 [ 21.022928] RSP: 002b:00007ffe8199f408 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 21.023014] RAX: ffffffffffffffda RBX: 00007ffe8199fb30 RCX: 00007fd5c9a571d7 [ 21.023103] RDX: 0000000000000000 RSI: 00007ffe8199f470 RDI: 0000000000000005 [ 21.023188] RBP: 0000000000000002 R08: 0000000000000003 R09: 0000000000000078 [ 21.023271] R10: 00007fd5c9953f60 R11: 0000000000000246 R12: 0000000000000002 [ 21.023355] R13: 00000000690de73b R14: 0000000000499600 R15: 0000000000000000 [ 21.023440] [ 21.023490] ---[ end trace 0000000000000000 ]--- [ 21.024101] ip (471) used greatest stack depth: 11744 bytes left [ 21.118512] br1: port 1(veth1) entered disabled state [ 21.129743] br1: port 2(veth2) entered disabled state [ 21.141085] veth2: left allmulticast mode [ 21.141171] veth2: left promiscuous mode [ 21.141237] br1: port 2(veth2) entered disabled state [ 21.141389] veth1: left allmulticast mode [ 21.141451] veth1: left promiscuous mode [ 21.141512] br1: port 1(veth1) entered disabled state