[ 2.279565] ip (247) used greatest stack depth: 12520 bytes left [ 2.330833] ip (256) used greatest stack depth: 12488 bytes left [ 2.621076] 8021q: 802.1Q VLAN Support v1.8 [ 2.634772] ip (297) used greatest stack depth: 12472 bytes left [ 3.042530] GACT probability NOT on [ 3.043903] tc (364) used greatest stack depth: 11840 bytes left [ 3.223611] br10: port 1(veth1.10) entered blocking state [ 3.223716] br10: port 1(veth1.10) entered disabled state [ 3.223789] veth1.10: entered allmulticast mode [ 3.223851] veth1: entered allmulticast mode [ 3.223949] veth1.10: entered promiscuous mode [ 3.224007] veth1: entered promiscuous mode [ 3.282505] br11: port 1(veth1.11) entered blocking state [ 3.282572] br11: port 1(veth1.11) entered disabled state [ 3.282627] veth1.11: entered allmulticast mode [ 3.282722] veth1.11: entered promiscuous mode [ 3.383866] br10: port 2(veth2.10) entered blocking state [ 3.383929] br10: port 2(veth2.10) entered disabled state [ 3.383987] veth2.10: entered allmulticast mode [ 3.384036] veth2: entered allmulticast mode [ 3.384128] veth2.10: entered promiscuous mode [ 3.384182] veth2: entered promiscuous mode [ 3.445301] br11: port 2(veth2.11) entered blocking state [ 3.445364] br11: port 2(veth2.11) entered disabled state [ 3.445462] veth2.11: entered allmulticast mode [ 3.445558] veth2.11: entered promiscuous mode [ 3.499563] br10: port 2(veth2.10) entered blocking state [ 3.499665] br10: port 2(veth2.10) entered forwarding state [ 3.499736] br10: port 1(veth1.10) entered blocking state [ 3.499798] br10: port 1(veth1.10) entered forwarding state [ 3.515584] br11: port 2(veth2.11) entered blocking state [ 3.515655] br11: port 2(veth2.11) entered forwarding state [ 3.515706] br11: port 1(veth1.11) entered blocking state [ 3.515745] br11: port 1(veth1.11) entered forwarding state [ 26.905909] br11: port 2(veth2.11) entered disabled state [ 26.906001] br11: port 1(veth1.11) entered disabled state [ 26.919809] br10: port 2(veth2.10) entered disabled state [ 26.919898] br10: port 1(veth1.10) entered disabled state [ 26.946891] veth2.11: left allmulticast mode [ 26.946965] veth2.11: left promiscuous mode [ 26.947029] br11: port 2(veth2.11) entered disabled state [ 26.973738] ------------[ cut here ]------------ [ 26.973899] refcount_t: underflow; use-after-free. [ 26.973975] WARNING: CPU: 3 PID: 618 at lib/refcount.c:28 refcount_warn_saturate+0xbc/0x110 [ 26.974076] Modules linked in: sch_tbf bridge stp llc act_gact cls_flower sch_ingress 8021q vrf veth [ 26.974194] CPU: 3 UID: 0 PID: 618 Comm: ip Not tainted 6.18.0-rc4-virtme #1 PREEMPT(voluntary) [ 26.974303] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 26.974375] RIP: 0010:refcount_warn_saturate+0xbc/0x110 [ 26.974435] 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 51 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 [ 26.974638] RSP: 0018:ffffb498003db730 EFLAGS: 00010282 [ 26.974709] RAX: 0000000000000000 RBX: ffffb498003db740 RCX: 00000000ffffdfff [ 26.974803] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001 [ 26.974892] RBP: ffffb498003db248 R08: ffffffffb9956a28 R09: 00000000ffffdfff [ 26.974981] R10: ffffffffb9876a40 R11: ffffffffb9926a40 R12: dead000000000122 [ 26.975059] R13: 00000000fffbd4f5 R14: 0000000000000001 R15: ffff9c5a06c68000 [ 26.975140] FS: 00007f1b32742800(0000) GS:ffff9c5a84d59000(0000) knlGS:0000000000000000 [ 26.975228] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 26.975300] CR2: 00000000004e5670 CR3: 000000000339c003 CR4: 0000000000772ef0 [ 26.975382] PKRU: 55555554 [ 26.975413] Call Trace: [ 26.975444] [ 26.975477] netdev_run_todo+0x21a/0x550 [ 26.975533] rtnl_dellink+0x15b/0x350 [ 26.975585] ? virtio_fs_enqueue_req+0x352/0x570 [ 26.975649] ? netdev_run_todo+0x63/0x550 [ 26.975702] ? rtnl_bridge_getlink+0x1a0/0x1a0 [ 26.975761] rtnetlink_rcv_msg+0x358/0x400 [ 26.975809] ? get_page_from_freelist+0x15b4/0x1770 [ 26.975870] ? rtnl_calcit.isra.0+0x110/0x110 [ 26.975933] netlink_rcv_skb+0x57/0x100 [ 26.975984] netlink_unicast+0x252/0x380 [ 26.976029] ? __alloc_skb+0xdb/0x190 [ 26.976076] netlink_sendmsg+0x1be/0x3e0 [ 26.976117] ____sys_sendmsg+0x132/0x260 [ 26.976164] ? copy_msghdr_from_user+0x6c/0xa0 [ 26.976225] ___sys_sendmsg+0x87/0xd0 [ 26.976273] ? do_wp_page+0x369/0xe90 [ 26.976322] ? ___pte_offset_map+0x1b/0xd0 [ 26.976372] ? nfulnl_rcv_nl_event+0x36/0xa0 [ 26.976432] ? fsnotify_grab_connector+0x48/0x80 [ 26.976494] ? fsnotify_destroy_marks+0x29/0x150 [ 26.976555] __sys_sendmsg+0x71/0xd0 [ 26.976604] do_syscall_64+0xa4/0xfd0 [ 26.976661] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 26.976727] RIP: 0033:0x7f1b329101d7 [ 26.976776] 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 [ 26.976967] RSP: 002b:00007ffffb66f378 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 26.977052] RAX: ffffffffffffffda RBX: 00007ffffb66faa0 RCX: 00007f1b329101d7 [ 26.977131] RDX: 0000000000000000 RSI: 00007ffffb66f3e0 RDI: 0000000000000005 [ 26.977211] RBP: 0000000000000002 R08: 0000000000000003 R09: 0000000000000078 [ 26.977288] R10: 00007f1b3280cf60 R11: 0000000000000246 R12: 0000000000000002 [ 26.977369] R13: 00000000690ded21 R14: 0000000000499600 R15: 0000000000000000 [ 26.977449] [ 26.977482] ---[ end trace 0000000000000000 ]--- [ 26.978189] ip (618) used greatest stack depth: 11744 bytes left [ 27.006371] veth2.10: left allmulticast mode [ 27.006457] veth2: left allmulticast mode [ 27.006494] veth2.10: left promiscuous mode [ 27.006540] veth2: left promiscuous mode [ 27.006598] br10: port 2(veth2.10) entered disabled state [ 27.085800] veth1.11: left allmulticast mode [ 27.085872] veth1.11: left promiscuous mode [ 27.085934] br11: port 1(veth1.11) entered disabled state [ 27.137150] veth1.10: left allmulticast mode [ 27.137239] veth1: left allmulticast mode [ 27.137285] veth1.10: left promiscuous mode [ 27.137330] veth1: left promiscuous mode [ 27.137389] br10: port 1(veth1.10) entered disabled state