[ 2.666356] br0: port 1(veth1) entered blocking state [ 2.666501] br0: port 1(veth1) entered disabled state [ 2.666638] veth1: entered allmulticast mode [ 2.666784] veth1: entered promiscuous mode [ 2.677659] br0: port 2(veth2) entered blocking state [ 2.677747] br0: port 2(veth2) entered disabled state [ 2.677811] veth2: entered allmulticast mode [ 2.677983] veth2: entered promiscuous mode [ 2.701793] br0: port 1(veth1) entered blocking state [ 2.701902] br0: port 1(veth1) entered forwarding state [ 2.713870] br0: port 2(veth2) entered blocking state [ 2.713945] br0: port 2(veth2) entered forwarding state [ 9.822469] veth0: entered promiscuous mode [ 9.896871] GACT probability NOT on [ 9.898571] tc (343) used greatest stack depth: 11840 bytes left [ 34.233142] veth0: left promiscuous mode [ 34.280151] veth3: entered promiscuous mode [ 35.417024] veth3: left promiscuous mode [ 35.443145] veth3: entered promiscuous mode [ 36.576891] veth3: left promiscuous mode [ 36.606476] veth3: entered promiscuous mode [ 37.742615] veth3: left promiscuous mode [ 37.769517] veth3: entered promiscuous mode [ 38.913811] veth3: left promiscuous mode [ 61.131069] veth3: entered promiscuous mode [ 63.341362] veth3: left promiscuous mode [ 63.396863] veth3: entered promiscuous mode [ 65.602836] veth3: left promiscuous mode [ 65.655751] veth3: entered promiscuous mode [ 78.026405] br0: port 1(veth1) entered disabled state [ 78.038181] br0: port 1(veth1) entered blocking state [ 78.038268] br0: port 1(veth1) entered forwarding state [ 87.383792] veth1: left allmulticast mode [ 87.383918] veth1: left promiscuous mode [ 87.384005] br0: port 1(veth1) entered disabled state [ 87.397118] br0: port 1(veth1) entered blocking state [ 87.397209] br0: port 1(veth1) entered disabled state [ 87.397264] veth1: entered allmulticast mode [ 87.397350] veth1: entered promiscuous mode [ 87.397420] br0: port 1(veth1) entered blocking state [ 87.397463] br0: port 1(veth1) entered forwarding state [ 91.604417] veth3: left promiscuous mode [ 91.637220] br0: port 2(veth2) entered disabled state [ 91.648110] br0: port 1(veth1) entered disabled state [ 91.660060] veth1: left allmulticast mode [ 91.660129] veth1: left promiscuous mode [ 91.660188] br0: port 1(veth1) entered disabled state [ 91.660338] veth2: left allmulticast mode [ 91.660379] veth2: left promiscuous mode [ 91.660429] br0: port 2(veth2) entered disabled state [ 91.683002] ------------[ cut here ]------------ [ 91.683123] refcount_t: underflow; use-after-free. [ 91.683219] WARNING: CPU: 3 PID: 619 at lib/refcount.c:28 refcount_warn_saturate+0xbc/0x110 [ 91.683304] Modules linked in: act_gact cls_flower sch_ingress bridge stp llc vrf veth [ 91.683388] CPU: 3 UID: 0 PID: 619 Comm: ip Not tainted 6.18.0-rc4-virtme #1 PREEMPT(voluntary) [ 91.683455] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 91.683502] RIP: 0010:refcount_warn_saturate+0xbc/0x110 [ 91.683541] Code: b4 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 b4 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 [ 91.683710] RSP: 0018:ffffab0280def730 EFLAGS: 00010282 [ 91.683748] RAX: 0000000000000000 RBX: ffffab0280def740 RCX: 00000000ffffdfff [ 91.683807] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001 [ 91.683855] RBP: ffffab0280def248 R08: ffffffffb4556a28 R09: 00000000ffffdfff [ 91.683902] R10: ffffffffb4476a40 R11: ffffffffb4526a40 R12: dead000000000122 [ 91.683949] R13: 00000000fffcd1ad R14: 0000000000000001 R15: ffff8ad0c2ca2000 [ 91.684027] FS: 00007f8abc635800(0000) GS:ffff8ad14a159000(0000) knlGS:0000000000000000 [ 91.684096] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 91.684155] CR2: 00000000004e68c8 CR3: 0000000003ace006 CR4: 0000000000772ef0 [ 91.684232] PKRU: 55555554 [ 91.684260] Call Trace: [ 91.684287] [ 91.684311] netdev_run_todo+0x21a/0x550 [ 91.684368] rtnl_dellink+0x15b/0x350 [ 91.684416] ? virtio_fs_enqueue_req+0x352/0x570 [ 91.684472] ? netdev_run_todo+0x63/0x550 [ 91.684510] ? rtnl_bridge_getlink+0x1a0/0x1a0 [ 91.684559] rtnetlink_rcv_msg+0x358/0x400 [ 91.684619] ? get_page_from_freelist+0x15b4/0x1770 [ 91.684674] ? rtnl_calcit.isra.0+0x110/0x110 [ 91.684724] netlink_rcv_skb+0x57/0x100 [ 91.684774] netlink_unicast+0x252/0x380 [ 91.684813] ? __alloc_skb+0xdb/0x190 [ 91.684859] netlink_sendmsg+0x1be/0x3e0 [ 91.684897] ____sys_sendmsg+0x132/0x260 [ 91.684941] ? copy_msghdr_from_user+0x6c/0xa0 [ 91.684994] ___sys_sendmsg+0x87/0xd0 [ 91.685035] ? do_wp_page+0x369/0xe90 [ 91.685081] ? ___pte_offset_map+0x1b/0xd0 [ 91.685127] ? nfulnl_rcv_nl_event+0x36/0xa0 [ 91.685199] ? fsnotify_grab_connector+0x48/0x80 [ 91.685251] ? fsnotify_destroy_marks+0x29/0x150 [ 91.685308] __sys_sendmsg+0x71/0xd0 [ 91.685353] do_syscall_64+0xa4/0xfd0 [ 91.685397] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 91.685455] RIP: 0033:0x7f8abc8031d7 [ 91.685500] 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 [ 91.685658] RSP: 002b:00007ffc6d2acdc8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 91.685731] RAX: ffffffffffffffda RBX: 00007ffc6d2ad4f0 RCX: 00007f8abc8031d7 [ 91.685809] RDX: 0000000000000000 RSI: 00007ffc6d2ace30 RDI: 0000000000000005 [ 91.685883] RBP: 0000000000000002 R08: 0000000000000003 R09: 0000000000000078 [ 91.685972] R10: 00007f8abc6fff60 R11: 0000000000000246 R12: 0000000000000002 [ 91.686057] R13: 00000000690de608 R14: 0000000000499600 R15: 0000000000000000 [ 91.686135] [ 91.686166] ---[ end trace 0000000000000000 ]--- [ 91.686852] ip (619) used greatest stack depth: 11744 bytes left