[ 2.099223] br0: port 1(s0) entered blocking state [ 2.099322] br0: port 1(s0) entered disabled state [ 2.099397] s0: entered allmulticast mode [ 2.099497] s0: entered promiscuous mode [ 2.110757] bond0: (slave eth0): making interface the new active one [ 2.110861] bond0: (slave eth0): Enslaving as an active interface with an up link [ 2.110965] br0: port 1(s0) entered blocking state [ 2.111016] br0: port 1(s0) entered forwarding state [ 2.183386] br0: port 2(s1) entered blocking state [ 2.183463] br0: port 2(s1) entered disabled state [ 2.183516] s1: entered allmulticast mode [ 2.183613] s1: entered promiscuous mode [ 2.196110] bond0: (slave eth1): Enslaving as a backup interface with an up link [ 2.196419] br0: port 2(s1) entered blocking state [ 2.196491] br0: port 2(s1) entered forwarding state [ 2.304800] br0: port 3(c0) entered blocking state [ 2.304917] br0: port 3(c0) entered disabled state [ 2.304993] c0: entered allmulticast mode [ 2.305092] c0: entered promiscuous mode [ 2.318073] br0: port 3(c0) entered blocking state [ 2.318158] br0: port 3(c0) entered forwarding state [ 2.409579] bond0 (unregistering): (slave eth0): Releasing backup interface [ 2.413904] bond0 (unregistering): (slave eth1): Releasing backup interface [ 2.421867] bond0 (unregistering): Released all slaves [ 2.427856] ------------[ cut here ]------------ [ 2.427949] refcount_t: underflow; use-after-free. [ 2.428011] WARNING: CPU: 0 PID: 284 at lib/refcount.c:28 refcount_warn_saturate+0xbc/0x110 [ 2.428085] Modules linked in: [ 2.428128] CPU: 0 UID: 0 PID: 284 Comm: ip Not tainted 6.18.0-rc4-virtme #1 PREEMPT(voluntary) [ 2.428191] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 2.428252] RIP: 0010:refcount_warn_saturate+0xbc/0x110 [ 2.428294] Code: a0 e8 88 98 ba ff 90 0f 0b 90 90 c3 80 3d 69 b4 eb 00 00 75 89 c6 05 60 b4 eb 00 01 90 48 c7 c7 98 6e 94 a0 e8 65 98 ba ff 90 <0f> 0b 90 90 c3 80 3d 44 b4 eb 00 00 0f 85 62 ff ff ff c6 05 37 b4 [ 2.428408] RSP: 0018:ffffa1ea00737730 EFLAGS: 00010282 [ 2.428447] RAX: 0000000000000000 RBX: ffffa1ea00737740 RCX: 00000000ffffdfff [ 2.428506] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001 [ 2.428560] RBP: ffffa1ea00737258 R08: ffffffffa0d56a28 R09: 00000000ffffdfff [ 2.428613] R10: ffffffffa0c76a40 R11: ffffffffa0d26a40 R12: dead000000000122 [ 2.428668] R13: 00000000fffb7520 R14: 0000000000000001 R15: ffff94e64112c000 [ 2.428729] FS: 00007fcd36367800(0000) GS:ffff94e6dd7b7000(0000) knlGS:0000000000000000 [ 2.428826] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2.428880] CR2: 00000000004e5840 CR3: 0000000006626003 CR4: 0000000000772ef0 [ 2.428956] PKRU: 55555554 [ 2.428980] Call Trace: [ 2.429000] [ 2.429024] netdev_run_todo+0x21a/0x550 [ 2.429082] rtnl_dellink+0x15b/0x350 [ 2.429125] ? virtio_fs_enqueue_req+0x352/0x570 [ 2.429169] ? netdev_run_todo+0x63/0x550 [ 2.429207] ? rtnl_bridge_getlink+0x1a0/0x1a0 [ 2.429258] rtnetlink_rcv_msg+0x358/0x400 [ 2.429295] ? get_page_from_freelist+0x15b4/0x1770 [ 2.429338] ? rtnl_calcit.isra.0+0x110/0x110 [ 2.429380] netlink_rcv_skb+0x57/0x100 [ 2.429418] netlink_unicast+0x252/0x380 [ 2.429465] ? __alloc_skb+0xdb/0x190 [ 2.429503] netlink_sendmsg+0x1be/0x3e0 [ 2.429535] ____sys_sendmsg+0x132/0x260 [ 2.429568] ? copy_msghdr_from_user+0x6c/0xa0 [ 2.429617] ___sys_sendmsg+0x87/0xd0 [ 2.429651] ? do_wp_page+0x369/0xe90 [ 2.429686] ? ___pte_offset_map+0x1b/0xd0 [ 2.429722] ? __handle_mm_fault+0x4e6/0xe50 [ 2.429782] ? fsnotify_grab_connector+0x48/0x80 [ 2.429827] ? fsnotify_destroy_marks+0x29/0x150 [ 2.429873] __sys_sendmsg+0x71/0xd0 [ 2.429910] do_syscall_64+0xa4/0xfd0 [ 2.429966] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 2.430014] RIP: 0033:0x7fcd365351d7 [ 2.430059] 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 [ 2.430248] RSP: 002b:00007fff86313078 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 2.430300] RAX: ffffffffffffffda RBX: 00007fff863137b0 RCX: 00007fcd365351d7 [ 2.430374] RDX: 0000000000000000 RSI: 00007fff863130e0 RDI: 0000000000000005 [ 2.430424] RBP: 0000000000000001 R08: 0000000000000003 R09: 0000000000000078 [ 2.430479] R10: 00007fcd36431510 R11: 0000000000000246 R12: 0000000000000001 [ 2.430562] R13: 00000000690de3f0 R14: 0000000000499600 R15: 0000000000000000 [ 2.430645] [ 2.430668] ---[ end trace 0000000000000000 ]--- [ 2.431451] ip (284) used greatest stack depth: 11744 bytes left [ 2.466853] bond0: (slave eth0): making interface the new active one [ 2.466992] bond0: (slave eth0): Enslaving as an active interface with an up link [ 2.479708] bond0: (slave eth1): Enslaving as a backup interface with an up link [ 4.636960] eth0: entered promiscuous mode [ 13.605285] eth0: left promiscuous mode [ 13.617283] bond0 (unregistering): (slave eth0): Releasing backup interface [ 13.621896] bond0 (unregistering): (slave eth1): Releasing backup interface [ 13.629838] bond0 (unregistering): Released all slaves [ 13.630104] br0: port 1(s0) entered disabled state [ 13.630206] br0: port 2(s1) entered disabled state [ 13.678371] bond0: (slave eth0): making interface the new active one [ 13.678464] bond0: (slave eth0): Enslaving as an active interface with an up link [ 13.678582] br0: port 1(s0) entered blocking state [ 13.678649] br0: port 1(s0) entered forwarding state [ 13.689633] bond0: (slave eth1): Enslaving as a backup interface with an up link [ 13.689802] br0: port 2(s1) entered blocking state [ 13.689870] br0: port 2(s1) entered forwarding state [ 24.178277] bond0 (unregistering): (slave eth0): Releasing backup interface [ 24.186928] bond0 (unregistering): (slave eth1): Releasing backup interface [ 24.195909] bond0 (unregistering): Released all slaves [ 24.196386] br0: port 1(s0) entered disabled state [ 24.196529] br0: port 2(s1) entered disabled state [ 24.236001] bond0: (slave eth0): making interface the new active one [ 24.236130] bond0: (slave eth0): Enslaving as an active interface with an up link [ 24.236269] br0: port 1(s0) entered blocking state [ 24.236346] br0: port 1(s0) entered forwarding state [ 24.249188] bond0: (slave eth1): Enslaving as an active interface with an up link [ 24.249368] br0: port 2(s1) entered blocking state [ 24.249431] br0: port 2(s1) entered forwarding state [ 26.400673] eth0: entered promiscuous mode [ 45.562475] eth0: left promiscuous mode [ 45.574719] bond0 (unregistering): (slave eth0): Releasing active interface [ 45.586907] bond0 (unregistering): (slave eth1): Releasing active interface [ 45.598893] bond0 (unregistering): Released all slaves [ 45.599228] br0: port 1(s0) entered disabled state [ 45.599407] br0: port 2(s1) entered disabled state [ 45.644000] bond0: (slave eth0): making interface the new active one [ 45.644125] bond0: (slave eth0): Enslaving as an active interface with an up link [ 45.644314] br0: port 1(s0) entered blocking state [ 45.644387] br0: port 1(s0) entered forwarding state [ 45.655917] bond0: (slave eth1): Enslaving as an active interface with an up link [ 45.656081] br0: port 2(s1) entered blocking state [ 45.656172] br0: port 2(s1) entered forwarding state [ 56.036749] bond0 (unregistering): (slave eth0): Releasing active interface [ 56.044926] bond0 (unregistering): (slave eth1): Releasing active interface [ 56.057847] bond0 (unregistering): Released all slaves [ 56.058185] br0: port 1(s0) entered disabled state [ 56.058298] br0: port 2(s1) entered disabled state [ 56.101771] bond0: (slave eth0): making interface the new active one [ 56.101874] bond0: (slave eth0): Enslaving as an active interface with an up link [ 56.101963] br0: port 1(s0) entered blocking state [ 56.102019] br0: port 1(s0) entered forwarding state [ 56.112629] bond0: (slave eth1): Enslaving as an active interface with an up link [ 56.112781] br0: port 2(s1) entered blocking state [ 56.112838] br0: port 2(s1) entered forwarding state [ 57.437181] eth0: entered promiscuous mode [ 66.516837] eth0: left promiscuous mode [ 66.530473] bond0 (unregistering): (slave eth0): Releasing active interface [ 66.543984] bond0 (unregistering): (slave eth1): Releasing active interface [ 66.548902] bond0 (unregistering): Released all slaves [ 66.549311] br0: port 1(s0) entered disabled state [ 66.549449] br0: port 2(s1) entered disabled state [ 66.592297] bond0: (slave eth0): making interface the new active one [ 66.592457] bond0: (slave eth0): Enslaving as an active interface with an up link [ 66.592588] br0: port 1(s0) entered blocking state [ 66.592641] br0: port 1(s0) entered forwarding state [ 66.604692] bond0: (slave eth1): Enslaving as an active interface with an up link [ 66.604848] br0: port 2(s1) entered blocking state [ 66.604902] br0: port 2(s1) entered forwarding state [ 77.251060] br0: port 3(c0) entered disabled state [ 77.251326] c0 (unregistering): left allmulticast mode [ 77.251419] c0 (unregistering): left promiscuous mode [ 77.251501] br0: port 3(c0) entered disabled state [ 77.307739] br0: port 1(s0) entered disabled state [ 77.307932] bond0: (slave eth0): Releasing active interface [ 77.308006] bond0: (slave eth0): the permanent HWaddr of slave - 00:0a:0b:0c:0d:01 - is still in use by bond - set the HWaddr of slave to a different address to avoid conflicts [ 77.308181] bond0: (slave eth1): making interface the new active one [ 77.313011] s0 (unregistering): left allmulticast mode [ 77.313166] s0 (unregistering): left promiscuous mode [ 77.313252] br0: port 1(s0) entered disabled state [ 77.335471] br0: port 2(s1) entered disabled state [ 77.335675] bond0: (slave eth1): Releasing active interface [ 77.340166] s1 (unregistering): left allmulticast mode [ 77.340288] s1 (unregistering): left promiscuous mode [ 77.340349] br0: port 2(s1) entered disabled state [ 77.364143] bond0 (unregistering): Released all slaves