[ 2.244246] br0: port 1(s0) entered blocking state [ 2.244323] br0: port 1(s0) entered disabled state [ 2.244377] s0: entered allmulticast mode [ 2.244468] s0: entered promiscuous mode [ 2.256705] bond0: (slave eth0): making interface the new active one [ 2.256794] bond0: (slave eth0): Enslaving as an active interface with an up link [ 2.256914] br0: port 1(s0) entered blocking state [ 2.256983] br0: port 1(s0) entered forwarding state [ 2.323593] br0: port 2(s1) entered blocking state [ 2.323671] br0: port 2(s1) entered disabled state [ 2.323737] s1: entered allmulticast mode [ 2.323820] s1: entered promiscuous mode [ 2.337527] bond0: (slave eth1): Enslaving as a backup interface with an up link [ 2.337685] br0: port 2(s1) entered blocking state [ 2.337753] br0: port 2(s1) entered forwarding state [ 2.451508] br0: port 3(c0) entered blocking state [ 2.451582] br0: port 3(c0) entered disabled state [ 2.451661] c0: entered allmulticast mode [ 2.451734] c0: entered promiscuous mode [ 2.466128] br0: port 3(c0) entered blocking state [ 2.466217] br0: port 3(c0) entered forwarding state [ 2.557717] bond0 (unregistering): (slave eth0): Releasing backup interface [ 2.563772] bond0 (unregistering): (slave eth1): Releasing backup interface [ 2.571770] bond0 (unregistering): Released all slaves [ 2.577771] ------------[ cut here ]------------ [ 2.577894] refcount_t: underflow; use-after-free. [ 2.577968] WARNING: CPU: 0 PID: 284 at lib/refcount.c:28 refcount_warn_saturate+0xbc/0x110 [ 2.578078] Modules linked in: [ 2.578119] CPU: 0 UID: 0 PID: 284 Comm: ip Not tainted 6.18.0-rc4-virtme #1 PREEMPT(voluntary) [ 2.578233] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 2.578301] RIP: 0010:refcount_warn_saturate+0xbc/0x110 [ 2.578353] Code: 8e 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 14 8e 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 [ 2.578502] RSP: 0018:ffffb84300717730 EFLAGS: 00010282 [ 2.578549] RAX: 0000000000000000 RBX: ffffb84300717740 RCX: 00000000ffffdfff [ 2.578629] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001 [ 2.578710] RBP: ffffb84300717258 R08: ffffffff8e556a28 R09: 00000000ffffdfff [ 2.578832] R10: ffffffff8e476a40 R11: ffffffff8e526a40 R12: dead000000000122 [ 2.578925] R13: 00000000fffb7597 R14: 0000000000000001 R15: ffff89e10112b000 [ 2.579013] FS: 00007f9f88eaa800(0000) GS:ffff89e1affb7000(0000) knlGS:0000000000000000 [ 2.579090] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2.579151] CR2: 00000000004e5840 CR3: 0000000003383005 CR4: 0000000000772ef0 [ 2.579219] PKRU: 55555554 [ 2.579243] Call Trace: [ 2.579292] [ 2.579329] netdev_run_todo+0x21a/0x550 [ 2.579378] rtnl_dellink+0x15b/0x350 [ 2.579429] ? virtio_fs_enqueue_req+0x352/0x570 [ 2.579482] ? netdev_run_todo+0x63/0x550 [ 2.579527] ? rtnl_bridge_getlink+0x1a0/0x1a0 [ 2.579598] rtnetlink_rcv_msg+0x358/0x400 [ 2.579653] ? get_page_from_freelist+0x15b4/0x1770 [ 2.579709] ? rtnl_calcit.isra.0+0x110/0x110 [ 2.579757] netlink_rcv_skb+0x57/0x100 [ 2.579798] netlink_unicast+0x252/0x380 [ 2.579835] ? __alloc_skb+0xdb/0x190 [ 2.579879] netlink_sendmsg+0x1be/0x3e0 [ 2.579916] ____sys_sendmsg+0x132/0x260 [ 2.579964] ? copy_msghdr_from_user+0x6c/0xa0 [ 2.580021] ___sys_sendmsg+0x87/0xd0 [ 2.580062] ? do_wp_page+0x369/0xe90 [ 2.580106] ? ___pte_offset_map+0x1b/0xd0 [ 2.580163] ? __handle_mm_fault+0x4e6/0xe50 [ 2.580224] ? fsnotify_grab_connector+0x48/0x80 [ 2.580290] ? fsnotify_destroy_marks+0x29/0x150 [ 2.580346] __sys_sendmsg+0x71/0xd0 [ 2.580385] do_syscall_64+0xa4/0xfd0 [ 2.580438] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 2.580488] RIP: 0033:0x7f9f890781d7 [ 2.580540] 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 [ 2.580715] RSP: 002b:00007ffe0c09c4d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 2.580786] RAX: ffffffffffffffda RBX: 00007ffe0c09cc10 RCX: 00007f9f890781d7 [ 2.580851] RDX: 0000000000000000 RSI: 00007ffe0c09c540 RDI: 0000000000000005 [ 2.580921] RBP: 0000000000000001 R08: 0000000000000003 R09: 0000000000000078 [ 2.580996] R10: 00007f9f88f74510 R11: 0000000000000246 R12: 0000000000000001 [ 2.581086] R13: 00000000690debd0 R14: 0000000000499600 R15: 0000000000000000 [ 2.581177] [ 2.581206] ---[ end trace 0000000000000000 ]--- [ 2.582034] ip (284) used greatest stack depth: 11744 bytes left [ 2.618776] bond0: (slave eth0): making interface the new active one [ 2.618887] bond0: (slave eth0): Enslaving as an active interface with an up link [ 2.633162] bond0: (slave eth1): Enslaving as a backup interface with an up link [ 4.843605] eth0: entered promiscuous mode [ 13.916097] eth0: left promiscuous mode [ 13.928973] bond0 (unregistering): (slave eth0): Releasing backup interface [ 13.936873] bond0 (unregistering): (slave eth1): Releasing backup interface [ 13.945759] bond0 (unregistering): Released all slaves [ 13.946185] br0: port 1(s0) entered disabled state [ 13.946298] br0: port 2(s1) entered disabled state [ 13.993774] bond0: (slave eth0): making interface the new active one [ 13.993901] bond0: (slave eth0): Enslaving as an active interface with an up link [ 13.994025] br0: port 1(s0) entered blocking state [ 13.994096] br0: port 1(s0) entered forwarding state [ 14.006473] bond0: (slave eth1): Enslaving as a backup interface with an up link [ 14.006608] br0: port 2(s1) entered blocking state [ 14.006662] br0: port 2(s1) entered forwarding state [ 24.942186] bond0 (unregistering): (slave eth0): Releasing backup interface [ 24.947822] bond0 (unregistering): (slave eth1): Releasing backup interface [ 24.957794] bond0 (unregistering): Released all slaves [ 24.958083] br0: port 1(s0) entered disabled state [ 24.958188] br0: port 2(s1) entered disabled state [ 25.002389] bond0: (slave eth0): making interface the new active one [ 25.002485] bond0: (slave eth0): Enslaving as an active interface with an up link [ 25.002606] br0: port 1(s0) entered blocking state [ 25.002676] br0: port 1(s0) entered forwarding state [ 25.015058] bond0: (slave eth1): Enslaving as an active interface with an up link [ 25.015212] br0: port 2(s1) entered blocking state [ 25.015284] br0: port 2(s1) entered forwarding state [ 26.220503] eth0: entered promiscuous mode [ 35.359436] eth0: left promiscuous mode [ 35.373596] bond0 (unregistering): (slave eth0): Releasing active interface [ 35.381869] bond0 (unregistering): (slave eth1): Releasing active interface [ 35.390798] bond0 (unregistering): Released all slaves [ 35.391279] br0: port 1(s0) entered disabled state [ 35.391445] br0: port 2(s1) entered disabled state [ 35.432670] bond0: (slave eth0): making interface the new active one [ 35.432763] bond0: (slave eth0): Enslaving as an active interface with an up link [ 35.432862] br0: port 1(s0) entered blocking state [ 35.432920] br0: port 1(s0) entered forwarding state [ 35.445102] bond0: (slave eth1): Enslaving as an active interface with an up link [ 35.445238] br0: port 2(s1) entered blocking state [ 35.445302] br0: port 2(s1) entered forwarding state [ 45.756668] bond0 (unregistering): (slave eth0): Releasing active interface [ 45.765811] bond0 (unregistering): (slave eth1): Releasing active interface [ 45.775768] bond0 (unregistering): Released all slaves [ 45.776099] br0: port 1(s0) entered disabled state [ 45.776222] br0: port 2(s1) entered disabled state [ 45.825484] bond0: (slave eth0): making interface the new active one [ 45.825587] bond0: (slave eth0): Enslaving as an active interface with an up link [ 45.825772] br0: port 1(s0) entered blocking state [ 45.825873] br0: port 1(s0) entered forwarding state [ 45.838307] bond0: (slave eth1): Enslaving as an active interface with an up link [ 45.838438] br0: port 2(s1) entered blocking state [ 45.838490] br0: port 2(s1) entered forwarding state [ 47.190607] eth0: entered promiscuous mode [ 56.334098] eth0: left promiscuous mode [ 56.347015] bond0 (unregistering): (slave eth0): Releasing active interface [ 56.354768] bond0 (unregistering): (slave eth1): Releasing active interface [ 56.358699] bond0 (unregistering): Released all slaves [ 56.359089] br0: port 1(s0) entered disabled state [ 56.359217] br0: port 2(s1) entered disabled state [ 56.401728] bond0: (slave eth0): making interface the new active one [ 56.401897] bond0: (slave eth0): Enslaving as an active interface with an up link [ 56.402070] br0: port 1(s0) entered blocking state [ 56.402156] br0: port 1(s0) entered forwarding state [ 56.414256] bond0: (slave eth1): Enslaving as an active interface with an up link [ 56.414423] br0: port 2(s1) entered blocking state [ 56.414511] br0: port 2(s1) entered forwarding state [ 66.672483] br0: port 3(c0) entered disabled state [ 66.672789] c0 (unregistering): left allmulticast mode [ 66.672862] c0 (unregistering): left promiscuous mode [ 66.672920] br0: port 3(c0) entered disabled state [ 66.730449] br0: port 1(s0) entered disabled state [ 66.730643] bond0: (slave eth0): Releasing active interface [ 66.730727] 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 [ 66.730879] bond0: (slave eth1): making interface the new active one [ 66.735904] s0 (unregistering): left allmulticast mode [ 66.736035] s0 (unregistering): left promiscuous mode [ 66.736107] br0: port 1(s0) entered disabled state [ 66.757439] br0: port 2(s1) entered disabled state [ 66.757597] bond0: (slave eth1): Releasing active interface [ 66.766077] s1 (unregistering): left allmulticast mode [ 66.766210] s1 (unregistering): left promiscuous mode [ 66.766257] br0: port 2(s1) entered disabled state [ 66.783416] bond0 (unregistering): Released all slaves