[ 2.036713] ip (246) used greatest stack depth: 12320 bytes left [ 2.705458] GACT probability NOT on [ 2.706459] tc (361) used greatest stack depth: 11840 bytes left [ 3.009784] br: port 1(veth1) entered blocking state [ 3.009914] br: port 1(veth1) entered disabled state [ 3.010024] veth1: entered allmulticast mode [ 3.010138] veth1: entered promiscuous mode [ 3.010210] br: port 1(veth1) entered blocking state [ 3.010280] br: port 1(veth1) entered forwarding state [ 3.068339] br: port 2(veth2) entered blocking state [ 3.068413] br: port 2(veth2) entered disabled state [ 3.068477] veth2: entered allmulticast mode [ 3.068566] veth2: entered promiscuous mode [ 3.068617] br: port 2(veth2) entered blocking state [ 3.068670] br: port 2(veth2) entered forwarding state [ 13.271847] ------------[ cut here ]------------ [ 13.271990] refcount_t: underflow; use-after-free. [ 13.272050] WARNING: CPU: 3 PID: 732 at lib/refcount.c:28 refcount_warn_saturate+0xbc/0x110 [ 13.272132] Modules linked in: bridge stp llc act_gact cls_flower sch_ingress vrf veth [ 13.272220] CPU: 3 UID: 0 PID: 732 Comm: ip Not tainted 6.18.0-rc4-virtme #1 PREEMPT(voluntary) [ 13.272319] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 13.272395] RIP: 0010:refcount_warn_saturate+0xbc/0x110 [ 13.272451] 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 11 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 [ 13.272637] RSP: 0018:ffffbbebc0cd7730 EFLAGS: 00010282 [ 13.272692] RAX: 0000000000000000 RBX: ffffbbebc0cd7740 RCX: 00000000ffffdfff [ 13.272772] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001 [ 13.272858] RBP: ffffbbebc0cd7248 R08: ffffffffb9556a28 R09: 00000000ffffdfff [ 13.272934] R10: ffffffffb9476a40 R11: ffffffffb9526a40 R12: dead000000000122 [ 13.273001] R13: 00000000fffb9f77 R14: 0000000000000001 R15: ffff9a3fc4b9d000 [ 13.273069] FS: 00007fd08b05b800(0000) GS:ffff9a4045159000(0000) knlGS:0000000000000000 [ 13.273141] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 13.273203] CR2: 00005574ff5710c0 CR3: 0000000008257001 CR4: 0000000000772ef0 [ 13.273271] PKRU: 55555554 [ 13.273292] Call Trace: [ 13.273317] [ 13.273345] netdev_run_todo+0x21a/0x550 [ 13.273398] rtnl_dellink+0x15b/0x350 [ 13.273441] ? virtio_fs_enqueue_req+0x352/0x570 [ 13.273499] ? netdev_run_todo+0x63/0x550 [ 13.273539] ? rtnl_bridge_getlink+0x1a0/0x1a0 [ 13.273593] rtnetlink_rcv_msg+0x358/0x400 [ 13.273632] ? get_page_from_freelist+0x15b4/0x1770 [ 13.273685] ? rtnl_calcit.isra.0+0x110/0x110 [ 13.273730] netlink_rcv_skb+0x57/0x100 [ 13.273772] netlink_unicast+0x252/0x380 [ 13.273816] ? __alloc_skb+0xdb/0x190 [ 13.273859] netlink_sendmsg+0x1be/0x3e0 [ 13.273897] ____sys_sendmsg+0x132/0x260 [ 13.273941] ? copy_msghdr_from_user+0x6c/0xa0 [ 13.273992] ___sys_sendmsg+0x87/0xd0 [ 13.274031] ? do_wp_page+0x369/0xe90 [ 13.274076] ? ___pte_offset_map+0x1b/0xd0 [ 13.274116] ? nfulnl_rcv_nl_event+0x36/0xa0 [ 13.274175] ? fsnotify_grab_connector+0x48/0x80 [ 13.274233] ? fsnotify_destroy_marks+0x29/0x150 [ 13.274282] __sys_sendmsg+0x71/0xd0 [ 13.274325] do_syscall_64+0xa4/0xfd0 [ 13.274371] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 13.274430] RIP: 0033:0x7fd08b2291d7 [ 13.274475] 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 [ 13.274665] RSP: 002b:00007fffa5ad99b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 13.274742] RAX: ffffffffffffffda RBX: 00007fffa5ada0e0 RCX: 00007fd08b2291d7 [ 13.274823] RDX: 0000000000000000 RSI: 00007fffa5ad9a20 RDI: 0000000000000005 [ 13.274902] RBP: 0000000000000002 R08: 0000000000000003 R09: 0000000000000078 [ 13.274979] R10: 00007fd08b125f60 R11: 0000000000000246 R12: 0000000000000002 [ 13.275057] R13: 00000000690dec07 R14: 0000000000499600 R15: 0000000000000000 [ 13.275137] [ 13.275161] ---[ end trace 0000000000000000 ]--- [ 13.275754] ip (732) used greatest stack depth: 11744 bytes left [ 15.824309] veth2: left allmulticast mode [ 15.824378] veth2: left promiscuous mode [ 15.824425] br: port 2(veth2) entered disabled state [ 15.875354] veth1: left allmulticast mode [ 15.875411] veth1: left promiscuous mode [ 15.875455] br: port 1(veth1) entered disabled state [ 16.161366] br: port 1(veth1) entered blocking state [ 16.161477] br: port 1(veth1) entered disabled state [ 16.161552] veth1: entered allmulticast mode [ 16.161660] veth1: entered promiscuous mode [ 16.161729] br: port 1(veth1) entered blocking state [ 16.161805] br: port 1(veth1) entered forwarding state [ 16.217543] br: port 2(veth2) entered blocking state [ 16.217620] br: port 2(veth2) entered disabled state [ 16.217689] veth2: entered allmulticast mode [ 16.217778] veth2: entered promiscuous mode [ 16.217831] br: port 2(veth2) entered blocking state [ 16.217880] br: port 2(veth2) entered forwarding state [ 31.107219] veth2: left allmulticast mode [ 31.107305] veth2: left promiscuous mode [ 31.107393] br: port 2(veth2) entered disabled state [ 31.154817] veth1: left allmulticast mode [ 31.154915] veth1: left promiscuous mode [ 31.154990] br: port 1(veth1) entered disabled state [ 31.359740] br: port 1(veth1) entered blocking state [ 31.359855] br: port 1(veth1) entered disabled state [ 31.359945] veth1: entered allmulticast mode [ 31.360053] veth1: entered promiscuous mode [ 31.360120] br: port 1(veth1) entered blocking state [ 31.360194] br: port 1(veth1) entered forwarding state [ 31.415274] br: port 2(veth2) entered blocking state [ 31.415350] br: port 2(veth2) entered disabled state [ 31.415410] veth2: entered allmulticast mode [ 31.415493] veth2: entered promiscuous mode [ 31.415544] br: port 2(veth2) entered blocking state [ 31.415602] br: port 2(veth2) entered forwarding state [ 44.265896] veth2: left allmulticast mode [ 44.265970] veth2: left promiscuous mode [ 44.266021] br: port 2(veth2) entered disabled state [ 44.317738] veth1: left allmulticast mode [ 44.317807] veth1: left promiscuous mode [ 44.317854] br: port 1(veth1) entered disabled state [ 44.600001] br: port 1(veth1) entered blocking state [ 44.600098] br: port 1(veth1) entered disabled state [ 44.600171] veth1: entered allmulticast mode [ 44.600293] veth1: entered promiscuous mode [ 44.600349] br: port 1(veth1) entered blocking state [ 44.600410] br: port 1(veth1) entered forwarding state [ 44.660210] br: port 2(veth2) entered blocking state [ 44.660283] br: port 2(veth2) entered disabled state [ 44.660350] veth2: entered allmulticast mode [ 44.660452] veth2: entered promiscuous mode [ 44.660506] br: port 2(veth2) entered blocking state [ 44.660557] br: port 2(veth2) entered forwarding state [ 59.718662] veth2: left allmulticast mode [ 59.718732] veth2: left promiscuous mode [ 59.718775] br: port 2(veth2) entered disabled state [ 59.774686] veth1: left allmulticast mode [ 59.774754] veth1: left promiscuous mode [ 59.774810] br: port 1(veth1) entered disabled state [ 60.040240] br: port 1(veth1) entered blocking state [ 60.040308] br: port 1(veth1) entered disabled state [ 60.040378] veth1: entered allmulticast mode [ 60.040487] veth1: entered promiscuous mode [ 60.040543] br: port 1(veth1) entered blocking state [ 60.040593] br: port 1(veth1) entered forwarding state [ 60.104694] br: port 2(veth2) entered blocking state [ 60.104836] br: port 2(veth2) entered disabled state [ 60.104932] veth2: entered allmulticast mode [ 60.105055] veth2: entered promiscuous mode [ 60.105128] br: port 2(veth2) entered blocking state [ 60.105194] br: port 2(veth2) entered forwarding state [ 66.429928] veth2: left allmulticast mode [ 66.429993] veth2: left promiscuous mode [ 66.430057] br: port 2(veth2) entered disabled state [ 66.486911] veth1: left allmulticast mode [ 66.486974] veth1: left promiscuous mode [ 66.487023] br: port 1(veth1) entered disabled state