[ 1.765562] ip (252) used greatest stack depth: 12344 bytes left [ 1.925234] gre: GRE over IPv4 demultiplexer driver [ 1.927776] ip6_gre: GRE over IPv6 tunneling driver [ 1.941436] ip6_tunnel: er6 xmit: Local address not yet configured! [ 1.963436] ip6_tunnel: gt6 xmit: Local address not yet configured! [ 2.030411] ip6_tunnel: er6 xmit: Local address not yet configured! [ 2.278441] ip6_tunnel: gt6 xmit: Local address not yet configured! [ 2.718427] ip6_tunnel: gt6 xmit: Local address not yet configured! [ 2.782487] ip6_tunnel: er6 xmit: Local address not yet configured! [ 3.007606] Mirror/redirect action on [ 3.018146] ip6_tunnel: gt6 xmit: Local address not yet configured! [ 3.038424] ip6_tunnel: er6 xmit: Local address not yet configured! [ 3.038509] ip6_tunnel: er6 xmit: Local address not yet configured! [ 3.166478] ip6_tunnel: gt6 xmit: Local address not yet configured! [ 7.093417] ------------[ cut here ]------------ [ 7.093482] refcount_t: underflow; use-after-free. [ 7.093534] WARNING: CPU: 3 PID: 290 at lib/refcount.c:28 refcount_warn_saturate+0xbc/0x110 [ 7.093604] Modules linked in: act_mirred cls_matchall ip6_gre gre sch_ingress [ 7.093667] CPU: 3 UID: 0 PID: 290 Comm: ip Not tainted 6.18.0-rc4-virtme #1 PREEMPT(voluntary) [ 7.093736] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 7.093784] RIP: 0010:refcount_warn_saturate+0xbc/0x110 [ 7.093825] Code: a2 e8 e8 54 ba ff 90 0f 0b 90 90 c3 80 3d 00 e6 2b 01 00 75 89 c6 05 f7 e5 2b 01 01 90 48 c7 c7 f8 48 15 a2 e8 c5 54 ba ff 90 <0f> 0b 90 90 c3 80 3d db e5 2b 01 00 0f 85 62 ff ff ff c6 05 ce e5 [ 7.093951] RSP: 0018:ffffb07ec03d3730 EFLAGS: 00010282 [ 7.093992] RAX: 0000000000000000 RBX: ffffb07ec03d3740 RCX: 00000000ffffdfff [ 7.094054] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001 [ 7.094116] RBP: ffffb07ec03d3238 R08: ffffffffa295ba28 R09: 00000000ffffdfff [ 7.094172] R10: ffffffffa287ba40 R11: ffffffffa292ba40 R12: dead000000000122 [ 7.094227] R13: 00000000fffb8757 R14: 0000000000000001 R15: ffffa057858fc000 [ 7.094284] FS: 00007f143f385800(0000) GS:ffffa0581bd11000(0000) knlGS:0000000000000000 [ 7.094344] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7.094396] CR2: 00000000004e5530 CR3: 00000000031d9003 CR4: 0000000000772ef0 [ 7.094457] PKRU: 55555554 [ 7.094473] Call Trace: [ 7.094493] [ 7.094524] netdev_run_todo+0x21a/0x550 [ 7.094561] rtnl_dellink+0x15b/0x350 [ 7.094601] ? virtio_fs_enqueue_req+0x352/0x570 [ 7.094649] ? netdev_run_todo+0x63/0x550 [ 7.094681] ? rtnl_bridge_getlink+0x1a0/0x1a0 [ 7.094719] rtnetlink_rcv_msg+0x358/0x400 [ 7.094755] ? get_page_from_freelist+0x15b4/0x1770 [ 7.094798] ? rtnl_calcit.isra.0+0x110/0x110 [ 7.094848] netlink_rcv_skb+0x57/0x100 [ 7.094886] netlink_unicast+0x252/0x380 [ 7.094919] ? __alloc_skb+0xdb/0x190 [ 7.094952] netlink_sendmsg+0x1be/0x3e0 [ 7.094985] ____sys_sendmsg+0x132/0x260 [ 7.095021] ? copy_msghdr_from_user+0x6c/0xa0 [ 7.095065] ___sys_sendmsg+0x87/0xd0 [ 7.095092] ? do_wp_page+0x369/0xe90 [ 7.095119] ? ___pte_offset_map+0x1b/0xd0 [ 7.095147] ? nfulnl_rcv_nl_event+0x36/0xa0 [ 7.095189] ? fsnotify_grab_connector+0x48/0x80 [ 7.095232] ? fsnotify_destroy_marks+0x29/0x150 [ 7.095268] __sys_sendmsg+0x71/0xd0 [ 7.095296] do_syscall_64+0xa4/0xfd0 [ 7.095332] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 7.095374] RIP: 0033:0x7f143f5531d7 [ 7.095407] 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 [ 7.095539] RSP: 002b:00007ffe147b6ca8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 7.095595] RAX: ffffffffffffffda RBX: 00007ffe147b73d0 RCX: 00007f143f5531d7 [ 7.095648] RDX: 0000000000000000 RSI: 00007ffe147b6d10 RDI: 0000000000000005 [ 7.095700] RBP: 0000000000000002 R08: 0000000000000003 R09: 0000000000000078 [ 7.095753] R10: 00007f143f44ff60 R11: 0000000000000246 R12: 0000000000000002 [ 7.095808] R13: 00000000690dfc30 R14: 0000000000499600 R15: 0000000000000000 [ 7.095863] [ 7.095886] ---[ end trace 0000000000000000 ]--- [ 7.096260] ip (290) used greatest stack depth: 11744 bytes left