[ 2.812427] gre: GRE over IPv4 demultiplexer driver [ 2.817714] ip6_gre: GRE over IPv6 tunneling driver [ 2.835268] ip6_tunnel: g1 xmit: Local address not yet configured! [ 2.851721] ip6_tunnel: g1 xmit: Local address not yet configured! [ 3.051430] 8021q: 802.1Q VLAN Support v1.8 [ 3.487458] GACT probability NOT on [ 3.668116] ip6_tunnel: g2 xmit: Local address not yet configured! [ 3.682654] ip6_tunnel: g2 xmit: Local address not yet configured! [ 173.898515] ------------[ cut here ]------------ [ 173.898629] refcount_t: underflow; use-after-free. [ 173.898695] WARNING: CPU: 0 PID: 17275 at lib/refcount.c:28 refcount_warn_saturate+0xbc/0x110 [ 173.898782] Modules linked in: act_gact cls_flower sch_ingress 8021q ip6_gre ip6_tunnel tunnel6 gre vrf veth [ 173.898879] CPU: 0 UID: 0 PID: 17275 Comm: ip Not tainted 6.18.0-rc4-virtme #1 PREEMPT(voluntary) [ 173.898952] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 173.899002] RIP: 0010:refcount_warn_saturate+0xbc/0x110 [ 173.899049] 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 71 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 [ 173.899204] RSP: 0018:ffffba1047ddf730 EFLAGS: 00010282 [ 173.899245] RAX: 0000000000000000 RBX: ffffba1047ddf740 RCX: 00000000ffffdfff [ 173.899303] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001 [ 173.899359] RBP: ffffba1047ddf248 R08: ffffffffb7b56a28 R09: 00000000ffffdfff [ 173.899421] R10: ffffffffb7a76a40 R11: ffffffffb7b26a40 R12: dead000000000122 [ 173.899469] R13: 00000000fffe12e8 R14: 0000000000000001 R15: ffff9f3347060000 [ 173.899536] FS: 00007f48eaa10800(0000) GS:ffff9f33c69d9000(0000) knlGS:0000000000000000 [ 173.899595] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 173.899639] CR2: 00000000004e7450 CR3: 00000000084b4003 CR4: 0000000000772ef0 [ 173.899698] PKRU: 55555554 [ 173.899714] Call Trace: [ 173.899734] [ 173.899754] netdev_run_todo+0x21a/0x550 [ 173.899797] rtnl_dellink+0x15b/0x350 [ 173.899839] ? virtio_fs_enqueue_req+0x352/0x570 [ 173.899892] ? netdev_run_todo+0x63/0x550 [ 173.899923] ? rtnl_bridge_getlink+0x1a0/0x1a0 [ 173.899963] rtnetlink_rcv_msg+0x358/0x400 [ 173.899994] ? get_page_from_freelist+0x15b4/0x1770 [ 173.900030] ? rtnl_calcit.isra.0+0x110/0x110 [ 173.900079] netlink_rcv_skb+0x57/0x100 [ 173.900125] netlink_unicast+0x252/0x380 [ 173.900170] ? __alloc_skb+0xdb/0x190 [ 173.900216] netlink_sendmsg+0x1be/0x3e0 [ 173.900252] ____sys_sendmsg+0x132/0x260 [ 173.900282] ? copy_msghdr_from_user+0x6c/0xa0 [ 173.900321] ___sys_sendmsg+0x87/0xd0 [ 173.900347] ? do_wp_page+0x369/0xe90 [ 173.900378] ? nfulnl_rcv_nl_event+0x36/0xa0 [ 173.900416] ? fsnotify_grab_connector+0x48/0x80 [ 173.900457] ? fsnotify_destroy_marks+0x29/0x150 [ 173.900499] __sys_sendmsg+0x71/0xd0 [ 173.900543] do_syscall_64+0xa4/0xfd0 [ 173.900576] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 173.900617] RIP: 0033:0x7f48eabde1d7 [ 173.900650] 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 [ 173.900780] RSP: 002b:00007ffc8f53ffa8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 173.900863] RAX: ffffffffffffffda RBX: 00007ffc8f5406d0 RCX: 00007f48eabde1d7 [ 173.900937] RDX: 0000000000000000 RSI: 00007ffc8f540010 RDI: 0000000000000005 [ 173.901008] RBP: 0000000000000002 R08: 0000000000000003 R09: 0000000000000078 [ 173.901089] R10: 00007f48eaadaf60 R11: 0000000000000246 R12: 0000000000000002 [ 173.901165] R13: 00000000690deaf6 R14: 0000000000499600 R15: 0000000000000000 [ 173.901230] [ 173.901252] ---[ end trace 0000000000000000 ]--- [ 173.901825] ip (17275) used greatest stack depth: 11744 bytes left