[ 2.153632] ip (249) used greatest stack depth: 12424 bytes left [ 2.252901] ip (263) used greatest stack depth: 12296 bytes left [ 2.680856] gre: GRE over IPv4 demultiplexer driver [ 2.683900] ip_gre: GRE over IPv4 tunneling driver [ 2.775878] GACT probability NOT on [ 2.777391] tc (311) used greatest stack depth: 12000 bytes left [ 2.802451] ip6_gre: GRE over IPv6 tunneling driver [ 2.820938] ip6_tunnel: h3-gt6 xmit: Local address not yet configured! [ 2.836034] ip6_tunnel: h3-gt6 xmit: Local address not yet configured! [ 2.965174] br1: port 1(veth1) entered blocking state [ 2.965289] br1: port 1(veth1) entered disabled state [ 2.965374] veth1: entered allmulticast mode [ 2.965500] veth1: entered promiscuous mode [ 2.976193] br1: port 1(veth1) entered blocking state [ 2.976255] br1: port 1(veth1) entered forwarding state [ 2.987066] br1: port 2(veth2) entered blocking state [ 2.987157] br1: port 2(veth2) entered disabled state [ 2.987258] veth2: entered allmulticast mode [ 2.987385] veth2: entered promiscuous mode [ 2.997745] br1: port 2(veth2) entered blocking state [ 2.997823] br1: port 2(veth2) entered forwarding state [ 3.060710] ip6_tunnel: gt6 xmit: Local address not yet configured! [ 3.100189] br2: port 1(veth4) entered blocking state [ 3.100271] br2: port 1(veth4) entered disabled state [ 3.100338] veth4: entered allmulticast mode [ 3.100439] veth4: entered promiscuous mode [ 3.100497] br2: port 1(veth4) entered blocking state [ 3.100553] br2: port 1(veth4) entered forwarding state [ 3.439752] ip6_tunnel: gt6 xmit: Local address not yet configured! [ 3.615737] ip6_tunnel: h3-gt6 xmit: Local address not yet configured! [ 3.679751] ip6_tunnel: gt6 xmit: Local address not yet configured! [ 3.679785] ip6_tunnel: h3-gt6 xmit: Local address not yet configured! [ 4.448762] ip6_tunnel: gt6 xmit: Local address not yet configured! [ 4.448894] ip6_tunnel: gt6 xmit: Local address not yet configured! [ 4.703795] ip6_tunnel: h3-gt6 xmit: Local address not yet configured! [ 8.340909] Mirror/redirect action on [ 8.415730] ip6_tnl_xmit_ctl: 2 callbacks suppressed [ 8.415738] ip6_tunnel: h3-gt6 xmit: Local address not yet configured! [ 15.967763] ip6_tunnel: h3-gt6 xmit: Local address not yet configured! [ 30.815740] ip6_tunnel: h3-gt6 xmit: Local address not yet configured! [ 34.327660] veth4: left allmulticast mode [ 34.327731] veth4: left promiscuous mode [ 34.327789] br2: port 1(veth4) entered disabled state [ 34.348734] ------------[ cut here ]------------ [ 34.348834] refcount_t: underflow; use-after-free. [ 34.348910] WARNING: CPU: 0 PID: 574 at lib/refcount.c:28 refcount_warn_saturate+0xbc/0x110 [ 34.348979] Modules linked in: cls_flower act_mirred bridge stp llc ip6_gre ip6_tunnel tunnel6 act_gact cls_matchall ip_gre gre sch_ingress vrf veth [ 34.349106] CPU: 0 UID: 0 PID: 574 Comm: ip Not tainted 6.18.0-rc4-virtme #1 PREEMPT(voluntary) [ 34.349210] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 34.349263] RIP: 0010:refcount_warn_saturate+0xbc/0x110 [ 34.349339] Code: b9 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 b9 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 [ 34.349471] RSP: 0018:ffffb96cc0d1f730 EFLAGS: 00010282 [ 34.349515] RAX: 0000000000000000 RBX: ffffb96cc0d1f740 RCX: 00000000ffffdfff [ 34.349575] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001 [ 34.349637] RBP: ffffb96cc0d1f248 R08: ffffffffb9f56a28 R09: 00000000ffffdfff [ 34.349705] R10: ffffffffb9e76a40 R11: ffffffffb9f26a40 R12: dead000000000122 [ 34.349770] R13: 00000000fffbf1cd R14: 0000000000000001 R15: ffff92ed85db4000 [ 34.349834] FS: 00007f63e6ac7800(0000) GS:ffff92ee045d9000(0000) knlGS:0000000000000000 [ 34.349895] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 34.349946] CR2: 00000000004e68d8 CR3: 00000000079af002 CR4: 0000000000772ef0 [ 34.349999] PKRU: 55555554 [ 34.350028] Call Trace: [ 34.350048] [ 34.350076] netdev_run_todo+0x21a/0x550 [ 34.350121] rtnl_dellink+0x15b/0x350 [ 34.350171] ? virtio_fs_enqueue_req+0x352/0x570 [ 34.350222] ? netdev_run_todo+0x63/0x550 [ 34.350259] ? rtnl_bridge_getlink+0x1a0/0x1a0 [ 34.350304] rtnetlink_rcv_msg+0x358/0x400 [ 34.350335] ? get_page_from_freelist+0x15b4/0x1770 [ 34.350384] ? rtnl_calcit.isra.0+0x110/0x110 [ 34.350435] netlink_rcv_skb+0x57/0x100 [ 34.350477] netlink_unicast+0x252/0x380 [ 34.350520] ? __alloc_skb+0xdb/0x190 [ 34.350565] netlink_sendmsg+0x1be/0x3e0 [ 34.350601] ____sys_sendmsg+0x132/0x260 [ 34.350646] ? copy_msghdr_from_user+0x6c/0xa0 [ 34.350699] ___sys_sendmsg+0x87/0xd0 [ 34.350738] ? do_wp_page+0x369/0xe90 [ 34.350799] ? ___pte_offset_map+0x1b/0xd0 [ 34.350858] ? nfulnl_rcv_nl_event+0x36/0xa0 [ 34.350911] ? fsnotify_grab_connector+0x48/0x80 [ 34.350970] ? fsnotify_destroy_marks+0x29/0x150 [ 34.351021] __sys_sendmsg+0x71/0xd0 [ 34.351057] do_syscall_64+0xa4/0xfd0 [ 34.351099] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 34.351176] RIP: 0033:0x7f63e6c951d7 [ 34.351207] 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 [ 34.351362] RSP: 002b:00007ffcbdffc5e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 34.351443] RAX: ffffffffffffffda RBX: 00007ffcbdffcd10 RCX: 00007f63e6c951d7 [ 34.351497] RDX: 0000000000000000 RSI: 00007ffcbdffc650 RDI: 0000000000000005 [ 34.351575] RBP: 0000000000000002 R08: 0000000000000003 R09: 0000000000000078 [ 34.351668] R10: 00007f63e6b91f60 R11: 0000000000000246 R12: 0000000000000002 [ 34.351748] R13: 00000000690deccd R14: 0000000000499600 R15: 0000000000000000 [ 34.351849] [ 34.351870] ---[ end trace 0000000000000000 ]--- [ 34.352569] ip (574) used greatest stack depth: 11744 bytes left [ 34.431105] br1: port 1(veth1) entered disabled state [ 34.443798] br1: port 2(veth2) entered disabled state [ 34.456981] veth2: left allmulticast mode [ 34.457074] veth2: left promiscuous mode [ 34.457124] br1: port 2(veth2) entered disabled state [ 34.457298] veth1: left allmulticast mode [ 34.457373] veth1: left promiscuous mode [ 34.457423] br1: port 1(veth1) entered disabled state