[ 2.449647] 8021q: 802.1Q VLAN Support v1.8 [ 3.102550] br10: port 1(veth1.10) entered blocking state [ 3.102647] br10: port 1(veth1.10) entered disabled state [ 3.102726] veth1.10: entered allmulticast mode [ 3.102787] veth1: entered allmulticast mode [ 3.102879] veth1.10: entered promiscuous mode [ 3.102935] veth1: entered promiscuous mode [ 3.118869] br10: port 2(veth2.10) entered blocking state [ 3.118949] br10: port 2(veth2.10) entered disabled state [ 3.119027] veth2.10: entered allmulticast mode [ 3.119088] veth2: entered allmulticast mode [ 3.119196] veth2.10: entered promiscuous mode [ 3.119253] veth2: entered promiscuous mode [ 3.135410] br10: port 2(veth2.10) entered blocking state [ 3.135550] br10: port 2(veth2.10) entered forwarding state [ 3.135631] br10: port 1(veth1.10) entered blocking state [ 3.135700] br10: port 1(veth1.10) entered forwarding state [ 3.276335] br11: port 1(veth1.11) entered blocking state [ 3.276423] br11: port 1(veth1.11) entered disabled state [ 3.276501] veth1.11: entered allmulticast mode [ 3.276603] veth1.11: entered promiscuous mode [ 3.293429] br11: port 2(veth2.11) entered blocking state [ 3.293516] br11: port 2(veth2.11) entered disabled state [ 3.293593] veth2.11: entered allmulticast mode [ 3.293719] veth2.11: entered promiscuous mode [ 3.310721] br11: port 2(veth2.11) entered blocking state [ 3.310797] br11: port 2(veth2.11) entered forwarding state [ 3.310857] br11: port 1(veth1.11) entered blocking state [ 3.310912] br11: port 1(veth1.11) entered forwarding state [ 3.453190] br12: port 1(veth1.12) entered blocking state [ 3.453299] br12: port 1(veth1.12) entered disabled state [ 3.453428] veth1.12: entered allmulticast mode [ 3.453585] veth1.12: entered promiscuous mode [ 3.469505] br12: port 2(veth2.12) entered blocking state [ 3.469624] br12: port 2(veth2.12) entered disabled state [ 3.469879] veth2.12: entered allmulticast mode [ 3.469996] veth2.12: entered promiscuous mode [ 3.487151] br12: port 2(veth2.12) entered blocking state [ 3.487243] br12: port 2(veth2.12) entered forwarding state [ 3.487306] br12: port 1(veth1.12) entered blocking state [ 3.487363] br12: port 1(veth1.12) entered forwarding state [ 376.346054] br12: port 2(veth2.12) entered disabled state [ 376.361044] br12: port 1(veth1.12) entered disabled state [ 376.390405] veth2.12: left allmulticast mode [ 376.390500] veth2.12: left promiscuous mode [ 376.390583] br12: port 2(veth2.12) entered disabled state [ 376.403772] veth1.12: left allmulticast mode [ 376.403843] veth1.12: left promiscuous mode [ 376.403893] br12: port 1(veth1.12) entered disabled state [ 376.434704] ------------[ cut here ]------------ [ 376.434815] refcount_t: underflow; use-after-free. [ 376.434878] WARNING: CPU: 0 PID: 1966 at lib/refcount.c:28 refcount_warn_saturate+0xbc/0x110 [ 376.434949] Modules linked in: em_meta cls_basic sch_ets sch_tbf bridge stp llc 8021q vrf veth [ 376.435026] CPU: 0 UID: 0 PID: 1966 Comm: ip Not tainted 6.18.0-rc4-virtme #1 PREEMPT(voluntary) [ 376.435098] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 376.435151] RIP: 0010:refcount_warn_saturate+0xbc/0x110 [ 376.435195] Code: 8f 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 8f 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 [ 376.435318] RSP: 0018:ffffbe9e811c3730 EFLAGS: 00010282 [ 376.435356] RAX: 0000000000000000 RBX: ffffbe9e811c3740 RCX: 00000000ffffdfff [ 376.435414] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001 [ 376.435480] RBP: ffffbe9e811c3248 R08: ffffffff8f956a28 R09: 00000000ffffdfff [ 376.435532] R10: ffffffff8f876a40 R11: ffffffff8f926a40 R12: dead000000000122 [ 376.435578] R13: 00000001000129f9 R14: 0000000000000001 R15: ffff9eaac2be9000 [ 376.435627] FS: 00007f208ee24800(0000) GS:ffff9eab6ebd9000(0000) knlGS:0000000000000000 [ 376.435696] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 376.435748] CR2: 00000000004e5460 CR3: 0000000008caf005 CR4: 0000000000772ef0 [ 376.435799] PKRU: 55555554 [ 376.435820] Call Trace: [ 376.435839] [ 376.435858] netdev_run_todo+0x21a/0x550 [ 376.435901] rtnl_dellink+0x15b/0x350 [ 376.435937] ? virtio_fs_enqueue_req+0x352/0x570 [ 376.435981] ? netdev_run_todo+0x63/0x550 [ 376.436011] ? rtnl_bridge_getlink+0x1a0/0x1a0 [ 376.436050] rtnetlink_rcv_msg+0x358/0x400 [ 376.436080] ? get_page_from_freelist+0x15b4/0x1770 [ 376.436141] ? rtnl_calcit.isra.0+0x110/0x110 [ 376.436178] netlink_rcv_skb+0x57/0x100 [ 376.436222] netlink_unicast+0x252/0x380 [ 376.436255] ? __alloc_skb+0xdb/0x190 [ 376.436290] netlink_sendmsg+0x1be/0x3e0 [ 376.436323] ____sys_sendmsg+0x132/0x260 [ 376.436359] ? copy_msghdr_from_user+0x6c/0xa0 [ 376.436408] ___sys_sendmsg+0x87/0xd0 [ 376.436445] ? do_wp_page+0x369/0xe90 [ 376.436485] ? ___pte_offset_map+0x1b/0xd0 [ 376.436521] ? nfulnl_rcv_nl_event+0x36/0xa0 [ 376.436566] ? fsnotify_grab_connector+0x48/0x80 [ 376.436607] ? fsnotify_destroy_marks+0x29/0x150 [ 376.436647] __sys_sendmsg+0x71/0xd0 [ 376.436681] do_syscall_64+0xa4/0xfd0 [ 376.436717] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 376.436763] RIP: 0033:0x7f208eff21d7 [ 376.436794] 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 [ 376.436925] RSP: 002b:00007ffeb1fc1148 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 376.436979] RAX: ffffffffffffffda RBX: 00007ffeb1fc1870 RCX: 00007f208eff21d7 [ 376.437025] RDX: 0000000000000000 RSI: 00007ffeb1fc11b0 RDI: 0000000000000005 [ 376.437082] RBP: 0000000000000002 R08: 0000000000000003 R09: 0000000000000078 [ 376.437136] R10: 00007f208eeeef60 R11: 0000000000000246 R12: 0000000000000002 [ 376.437195] R13: 00000000690dea9a R14: 0000000000499600 R15: 0000000000000000 [ 376.437258] [ 376.437280] ---[ end trace 0000000000000000 ]--- [ 376.437893] ip (1966) used greatest stack depth: 11744 bytes left [ 376.491174] br11: port 2(veth2.11) entered disabled state [ 376.505713] br11: port 1(veth1.11) entered disabled state [ 376.533301] veth2.11: left allmulticast mode [ 376.533421] veth2.11: left promiscuous mode [ 376.533499] br11: port 2(veth2.11) entered disabled state [ 376.546755] veth1.11: left allmulticast mode [ 376.546826] veth1.11: left promiscuous mode [ 376.546877] br11: port 1(veth1.11) entered disabled state [ 376.641765] br10: port 2(veth2.10) entered disabled state [ 376.655640] br10: port 1(veth1.10) entered disabled state [ 376.682766] veth2.10: left allmulticast mode [ 376.682878] veth2: left allmulticast mode [ 376.682934] veth2.10: left promiscuous mode [ 376.682986] veth2: left promiscuous mode [ 376.683054] br10: port 2(veth2.10) entered disabled state [ 376.696422] veth1.10: left allmulticast mode [ 376.696496] veth1: left allmulticast mode [ 376.696523] veth1.10: left promiscuous mode [ 376.696547] veth1: left promiscuous mode [ 376.696585] br10: port 1(veth1.10) entered disabled state