[ 2.719645] gre: GRE over IPv4 demultiplexer driver [ 2.721681] ip_gre: GRE over IPv4 tunneling driver [ 2.821059] GACT probability NOT on [ 2.822594] tc (312) used greatest stack depth: 12000 bytes left [ 2.852298] ip6_gre: GRE over IPv6 tunneling driver [ 2.868873] ip6_tunnel: h3-gt6 xmit: Local address not yet configured! [ 2.881079] ip6_tunnel: h3-gt6 xmit: Local address not yet configured! [ 2.998155] br1: port 1(veth1) entered blocking state [ 2.998230] br1: port 1(veth1) entered disabled state [ 2.998353] veth1: entered allmulticast mode [ 2.998465] veth1: entered promiscuous mode [ 3.009667] br1: port 1(veth1) entered blocking state [ 3.009732] br1: port 1(veth1) entered forwarding state [ 3.020042] br1: port 2(veth2) entered blocking state [ 3.020141] br1: port 2(veth2) entered disabled state [ 3.020221] veth2: entered allmulticast mode [ 3.020326] veth2: entered promiscuous mode [ 3.031701] br1: port 2(veth2) entered blocking state [ 3.031838] br1: port 2(veth2) entered forwarding state [ 3.117856] ip6_tunnel: h3-gt6 xmit: Local address not yet configured! [ 3.328911] ip6_tunnel: gt6 xmit: Local address not yet configured! [ 3.340897] ip6_tunnel: gt6 xmit: Local address not yet configured! [ 3.749878] ip6_tunnel: h3-gt6 xmit: Local address not yet configured! [ 4.005873] ip6_tunnel: gt6 xmit: Local address not yet configured! [ 4.133877] ip6_tunnel: h3-gt6 xmit: Local address not yet configured! [ 4.134029] ip6_tunnel: h3-gt6 xmit: Local address not yet configured! [ 4.325862] ip6_tunnel: gt6 xmit: Local address not yet configured! [ 8.294862] ip6_tnl_xmit_ctl: 1 callbacks suppressed [ 8.294868] ip6_tunnel: h3-gt6 xmit: Local address not yet configured! [ 8.523866] Mirror/redirect action on [ 16.485865] ip6_tunnel: h3-gt6 xmit: Local address not yet configured! [ 33.382878] ip6_tunnel: h3-gt6 xmit: Local address not yet configured! [ 34.458856] ------------[ cut here ]------------ [ 34.458963] refcount_t: underflow; use-after-free. [ 34.459042] WARNING: CPU: 2 PID: 577 at lib/refcount.c:28 refcount_warn_saturate+0xbc/0x110 [ 34.459172] Modules linked in: cls_flower act_mirred dummy bridge stp llc ip6_gre ip6_tunnel tunnel6 act_gact cls_matchall sch_ingress ip_gre gre vrf veth [ 34.459334] CPU: 2 UID: 0 PID: 577 Comm: ip Not tainted 6.18.0-rc4-virtme #1 PREEMPT(voluntary) [ 34.459420] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 34.459489] RIP: 0010:refcount_warn_saturate+0xbc/0x110 [ 34.459557] Code: 82 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 11 82 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 [ 34.459693] RSP: 0018:ffffa15800d9f730 EFLAGS: 00010282 [ 34.459805] RAX: 0000000000000000 RBX: ffffa15800d9f740 RCX: 00000000ffffdfff [ 34.459917] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001 [ 34.460014] RBP: ffffa15800d9f248 R08: ffffffff82556a28 R09: 00000000ffffdfff [ 34.460111] R10: ffffffff82476a40 R11: ffffffff82526a40 R12: dead000000000122 [ 34.460206] R13: 00000000fffbf235 R14: 0000000000000001 R15: ffff95c386d38000 [ 34.460305] FS: 00007f9a5813e800(0000) GS:ffff95c43c0d9000(0000) knlGS:0000000000000000 [ 34.460405] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 34.460490] CR2: 00000000004e5d58 CR3: 0000000003171006 CR4: 0000000000772ef0 [ 34.460590] PKRU: 55555554 [ 34.460644] Call Trace: [ 34.460693] [ 34.460741] netdev_run_todo+0x21a/0x550 [ 34.460813] rtnl_dellink+0x15b/0x350 [ 34.460907] ? virtio_fs_enqueue_req+0x352/0x570 [ 34.460996] ? netdev_run_todo+0x63/0x550 [ 34.461059] ? rtnl_bridge_getlink+0x1a0/0x1a0 [ 34.461137] rtnetlink_rcv_msg+0x358/0x400 [ 34.461203] ? get_page_from_freelist+0x15b4/0x1770 [ 34.461289] ? rtnl_calcit.isra.0+0x110/0x110 [ 34.461368] netlink_rcv_skb+0x57/0x100 [ 34.461442] netlink_unicast+0x252/0x380 [ 34.461510] ? __alloc_skb+0xdb/0x190 [ 34.461580] netlink_sendmsg+0x1be/0x3e0 [ 34.461646] ____sys_sendmsg+0x132/0x260 [ 34.461713] ? copy_msghdr_from_user+0x6c/0xa0 [ 34.461794] ___sys_sendmsg+0x87/0xd0 [ 34.461875] ? do_wp_page+0x369/0xe90 [ 34.461947] ? ___pte_offset_map+0x1b/0xd0 [ 34.462014] ? nfulnl_rcv_nl_event+0x36/0xa0 [ 34.462091] ? fsnotify_grab_connector+0x48/0x80 [ 34.462174] ? fsnotify_destroy_marks+0x29/0x150 [ 34.462252] __sys_sendmsg+0x71/0xd0 [ 34.462318] do_syscall_64+0xa4/0xfd0 [ 34.462386] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 34.462468] RIP: 0033:0x7f9a5830c1d7 [ 34.462533] 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 [ 34.462723] RSP: 002b:00007ffeff167a68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 34.462830] RAX: ffffffffffffffda RBX: 00007ffeff168190 RCX: 00007f9a5830c1d7 [ 34.462928] RDX: 0000000000000000 RSI: 00007ffeff167ad0 RDI: 0000000000000005 [ 34.463026] RBP: 0000000000000002 R08: 0000000000000003 R09: 0000000000000078 [ 34.463129] R10: 00007f9a58208f60 R11: 0000000000000246 R12: 0000000000000002 [ 34.463225] R13: 00000000690de69d R14: 0000000000499600 R15: 0000000000000000 [ 34.463321] [ 34.463370] ---[ end trace 0000000000000000 ]--- [ 34.464031] ip (577) used greatest stack depth: 11744 bytes left [ 34.660132] br1: port 1(veth1) entered disabled state [ 34.672303] br1: port 2(veth2) entered disabled state [ 34.683423] veth2: left allmulticast mode [ 34.683495] veth2: left promiscuous mode [ 34.683548] br1: port 2(veth2) entered disabled state [ 34.683694] veth1: left allmulticast mode [ 34.683770] veth1: left promiscuous mode [ 34.683827] br1: port 1(veth1) entered disabled state