[ 954.158016][ T6871] bond1: (slave dummy1): making interface the new active one [ 954.158814][ T6871] bond1: (slave dummy1): Enslaving as an active interface with an up link [ 954.314831][ T6874] bond1: (slave dummy2): Enslaving as a backup interface with an up link [ 954.462796][ T6877] dummy1: entered promiscuous mode [ 955.136273][ T6894] dummy1: left promiscuous mode [ 955.454649][ T6895] bond1 (unregistering): (slave dummy1): Releasing backup interface [ 955.466930][ T6895] bond1 (unregistering): (slave dummy2): Releasing backup interface [ 955.480747][ T6895] bond1 (unregistering): Released all slaves [ 957.363409][ T6917] bond1: (slave dummy1): Enslaving as a backup interface with an up link [ 957.439993][ T6794] bond1: Warning: No 802.3ad response from the link partner for any adapters in the bond [ 957.441140][ T6794] ------------[ cut here ]------------ [ 957.441421][ T6794] RTNL: assertion failed at net/core/rtnetlink.c (1823) [ 957.441695][ T6794] WARNING: CPU: 1 PID: 6794 at net/core/rtnetlink.c:1823 rtnl_fill_ifinfo.constprop.0+0x2253/0x2a50 [ 957.442064][ T6794] Modules linked in: [ 957.442210][ T6794] CPU: 1 PID: 6794 Comm: kworker/u16:2 Not tainted 6.10.0-rc4-virtme #1 [ 957.442490][ T6794] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 957.443264][ T6794] Workqueue: bond1 bond_3ad_state_machine_handler [ 957.443545][ T6794] RIP: 0010:rtnl_fill_ifinfo.constprop.0+0x2253/0x2a50 [ 957.443960][ T6794] Code: 00 a8 01 0f 85 ab de ff ff c6 05 b0 5e 4c 02 01 90 ba 1f 07 00 00 48 c7 c6 60 9b 56 87 48 c7 c7 00 9c 56 87 e8 5e ce f3 fd 90 <0f> 0b 90 90 e9 81 de ff ff e8 6f 59 7c 00 85 c0 0f 85 f1 01 00 00 [ 957.444526][ T6794] RSP: 0018:ffffc9000a72f8f0 EFLAGS: 00010282 [ 957.444769][ T6794] RAX: 0000000000000000 RBX: ffff8880090a9000 RCX: 1ffffffff0fbb1d4 [ 957.445039][ T6794] RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000001 [ 957.445283][ T6794] RBP: ffff888003e3b540 R08: 0000000000000000 R09: fffffbfff0fbb1d4 [ 957.445555][ T6794] R10: 0000000000000003 R11: 205d343937365420 R12: 00000000ffffffff [ 957.445827][ T6794] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000010 [ 957.446096][ T6794] FS: 0000000000000000(0000) GS:ffff888036080000(0000) knlGS:0000000000000000 [ 957.446391][ T6794] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 957.446604][ T6794] CR2: 00007f300c7d4270 CR3: 0000000005e48006 CR4: 0000000000770ef0 [ 957.446881][ T6794] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 957.447146][ T6794] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 957.447393][ T6794] PKRU: 55555554 [ 957.447519][ T6794] Call Trace: [ 957.447674][ T6794] [ 957.447770][ T6794] ? rtnl_fill_ifinfo.constprop.0+0x2253/0x2a50 [ 957.448000][ T6794] ? __warn+0xcc/0x1b0 [ 957.448147][ T6794] ? rtnl_fill_ifinfo.constprop.0+0x2253/0x2a50 [ 957.448351][ T6794] ? report_bug+0x28c/0x2d0 [ 957.448558][ T6794] ? handle_bug+0x3d/0x80 [ 957.448746][ T6794] ? exc_invalid_op+0x18/0x50 [ 957.448929][ T6794] ? asm_exc_invalid_op+0x1a/0x20 [ 957.449135][ T6794] ? rtnl_fill_ifinfo.constprop.0+0x2253/0x2a50 [ 957.449358][ T6794] ? __pfx_rtnl_fill_ifinfo.constprop.0+0x10/0x10 [ 957.449597][ T6794] ? kasan_save_track+0x14/0x30 [ 957.449777][ T6794] ? __kasan_kmalloc+0x7f/0x90 [ 957.449986][ T6794] ? trace_kmalloc+0x2d/0xe0 [ 957.450169][ T6794] ? kmalloc_node_track_caller_noprof+0x21c/0x400 [ 957.450362][ T6794] ? __alloc_skb+0x111/0x2e0 [ 957.450549][ T6794] ? __build_skb_around+0x237/0x340 [ 957.450721][ T6794] ? __alloc_skb+0x148/0x2e0 [ 957.450903][ T6794] ? __pfx___alloc_skb+0x10/0x10 [ 957.451077][ T6794] rtmsg_ifinfo_build_skb+0x134/0x230 [ 957.451262][ T6794] rtmsg_ifinfo_event.part.0+0x2d/0x120 [ 957.451424][ T6794] rtmsg_ifinfo+0x5b/0xa0 [ 957.451579][ T6794] bond_3ad_state_machine_handler+0x2ac/0x1e30 [ 957.451818][ T6794] ? __pfx_bond_3ad_state_machine_handler+0x10/0x10 [ 957.452034][ T6794] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 957.452213][ T6794] ? trace_lock_acquire+0xc1/0x1f0 [ 957.452375][ T6794] ? trace_lock_acquire+0x14d/0x1f0 [ 957.452559][ T6794] ? process_one_work+0xdf1/0x1670 [ 957.452764][ T6794] ? lock_acquire+0x32/0xc0 [ 957.452936][ T6794] ? process_one_work+0xdf1/0x1670 [ 957.453100][ T6794] process_one_work+0xe3b/0x1670 [ 957.453269][ T6794] ? __pfx___lock_release+0x10/0x10 [ 957.453430][ T6794] ? __pfx_process_one_work+0x10/0x10 [ 957.453604][ T6794] ? assign_work+0x16c/0x240 [ 957.453769][ T6794] worker_thread+0x587/0xd30 [ 957.453946][ T6794] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 957.454156][ T6794] ? __pfx_worker_thread+0x10/0x10 [ 957.454315][ T6794] ? __pfx_worker_thread+0x10/0x10 [ 957.454471][ T6794] kthread+0x28a/0x350 [ 957.454606][ T6794] ? __pfx_kthread+0x10/0x10 [ 957.454772][ T6794] ret_from_fork+0x31/0x70 [ 957.454939][ T6794] ? __pfx_kthread+0x10/0x10 [ 957.455100][ T6794] ret_from_fork_asm+0x1a/0x30 [ 957.455294][ T6794] [ 957.455422][ T6794] irq event stamp: 45492 [ 957.455560][ T6794] hardirqs last enabled at (45502): [] console_unlock+0x1a5/0x1c0 [ 957.455853][ T6794] hardirqs last disabled at (45511): [] console_unlock+0x18a/0x1c0 [ 957.456153][ T6794] softirqs last enabled at (44724): [] bond_3ad_state_machine_handler+0x72b/0x1e30 [ 957.456461][ T6794] softirqs last disabled at (44748): [] bond_3ad_state_machine_handler+0xac/0x1e30 [ 957.456815][ T6794] ---[ end trace 0000000000000000 ]--- [ 957.457013][ T6794] ------------[ cut here ]------------ [ 957.457174][ T6794] RTNL: assertion failed at net/core/dev.c (7100) [ 957.457413][ T6794] WARNING: CPU: 1 PID: 6794 at net/core/dev.c:7100 netdev_master_upper_dev_get+0xf8/0x120 [ 957.457850][ T6794] Modules linked in: [ 957.458099][ T6794] CPU: 1 PID: 6794 Comm: kworker/u16:2 Tainted: G W 6.10.0-rc4-virtme #1 [ 957.458388][ T6794] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 957.458857][ T6794] Workqueue: bond1 bond_3ad_state_machine_handler [ 957.459088][ T6794] RIP: 0010:netdev_master_upper_dev_get+0xf8/0x120 [ 957.459331][ T6794] Code: 83 e5 01 0f 85 44 ff ff ff c6 05 55 32 54 02 01 90 ba bc 1b 00 00 48 c7 c6 a0 17 56 87 48 c7 c7 00 19 56 87 e8 49 a2 fb fd 90 <0f> 0b 90 90 e9 1a ff ff ff e8 6a de 7b fe e9 70 ff ff ff 48 89 ef [ 957.460141][ T6794] RSP: 0018:ffffc9000a72f880 EFLAGS: 00010282 [ 957.460380][ T6794] RAX: 0000000000000000 RBX: ffff8880090a9000 RCX: 1ffffffff0fbb1d4 [ 957.460765][ T6794] RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000001 [ 957.461012][ T6794] RBP: 0000000000000000 R08: 0000000000000000 R09: fffffbfff0fbb1d4 [ 957.461355][ T6794] R10: 0000000000000003 R11: 205d343937365420 R12: ffff8880090a9000 [ 957.461615][ T6794] R13: ffffffff8895a1e0 R14: ffff888003e3b5f0 R15: ffff888003e3b5f8 [ 957.461886][ T6794] FS: 0000000000000000(0000) GS:ffff888036080000(0000) knlGS:0000000000000000 [ 957.462306][ T6794] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 957.462497][ T6794] CR2: 00007f300c7d4270 CR3: 0000000005e48006 CR4: 0000000000770ef0 [ 957.462763][ T6794] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 957.463124][ T6794] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 957.463387][ T6794] PKRU: 55555554 [ 957.463516][ T6794] Call Trace: [ 957.463662][ T6794] [ 957.463744][ T6794] ? netdev_master_upper_dev_get+0xf8/0x120 [ 957.463962][ T6794] ? __warn+0xcc/0x1b0 [ 957.464188][ T6794] ? netdev_master_upper_dev_get+0xf8/0x120 [ 957.464399][ T6794] ? report_bug+0x28c/0x2d0 [ 957.464597][ T6794] ? handle_bug+0x3d/0x80 [ 957.464730][ T6794] ? exc_invalid_op+0x18/0x50 [ 957.465025][ T6794] ? asm_exc_invalid_op+0x1a/0x20 [ 957.465222][ T6794] ? netdev_master_upper_dev_get+0xf8/0x120 [ 957.465470][ T6794] rtnl_link_fill+0x2b8/0x8a0 [ 957.465714][ T6794] rtnl_fill_ifinfo.constprop.0+0x11c2/0x2a50 [ 957.465943][ T6794] ? __pfx_rtnl_fill_ifinfo.constprop.0+0x10/0x10 [ 957.466149][ T6794] ? kasan_save_track+0x14/0x30 [ 957.466402][ T6794] ? __kasan_kmalloc+0x40/0x90 [ 957.466568][ T6794] ? trace_kmalloc+0x2d/0xe0 [ 957.466762][ T6794] ? kmalloc_node_track_caller_noprof+0x21c/0x400 [ 957.466985][ T6794] ? __alloc_skb+0x111/0x2e0 [ 957.467252][ T6794] ? __build_skb_around+0x237/0x340 [ 957.467429][ T6794] ? __alloc_skb+0x148/0x2e0 [ 957.467597][ T6794] ? __pfx___alloc_skb+0x10/0x10 [ 957.467784][ T6794] rtmsg_ifinfo_build_skb+0x134/0x230 [ 957.468106][ T6794] rtmsg_ifinfo_event.part.0+0x2d/0x120 [ 957.468273][ T6794] rtmsg_ifinfo+0x5b/0xa0 [ 957.468402][ T6794] bond_3ad_state_machine_handler+0x2ac/0x1e30 [ 957.468633][ T6794] ? __pfx_bond_3ad_state_machine_handler+0x10/0x10 [ 957.468936][ T6794] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 957.469114][ T6794] ? trace_lock_acquire+0xc1/0x1f0 [ 957.469273][ T6794] ? trace_lock_acquire+0x14d/0x1f0 [ 957.469448][ T6794] ? process_one_work+0xdf1/0x1670 [ 957.469646][ T6794] ? lock_acquire+0x32/0xc0 [ 957.469822][ T6794] ? process_one_work+0xdf1/0x1670 [ 957.470000][ T6794] process_one_work+0xe3b/0x1670 [ 957.470179][ T6794] ? __pfx___lock_release+0x10/0x10 [ 957.470351][ T6794] ? __pfx_process_one_work+0x10/0x10 [ 957.470631][ T6794] ? assign_work+0x16c/0x240 [ 957.470800][ T6794] worker_thread+0x587/0xd30 [ 957.470988][ T6794] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 957.471260][ T6794] ? __pfx_worker_thread+0x10/0x10 [ 957.471535][ T6794] ? __pfx_worker_thread+0x10/0x10 [ 957.471709][ T6794] kthread+0x28a/0x350 [ 957.471838][ T6794] ? __pfx_kthread+0x10/0x10 [ 957.472012][ T6794] ret_from_fork+0x31/0x70 [ 957.472269][ T6794] ? __pfx_kthread+0x10/0x10 [ 957.472444][ T6794] ret_from_fork_asm+0x1a/0x30 [ 957.472669][ T6794] [ 957.472912][ T6794] irq event stamp: 46278 [ 957.473038][ T6794] hardirqs last enabled at (46288): [] console_unlock+0x1a5/0x1c0 [ 957.473328][ T6794] hardirqs last disabled at (46297): [] console_unlock+0x18a/0x1c0 [ 957.473652][ T6794] softirqs last enabled at (44724): [] bond_3ad_state_machine_handler+0x72b/0x1e30 [ 957.474106][ T6794] softirqs last disabled at (44748): [] bond_3ad_state_machine_handler+0xac/0x1e30 [ 957.474445][ T6794] ---[ end trace 0000000000000000 ]--- [ 957.474710][ T6794] [ 957.474795][ T6794] ============================= [ 957.475056][ T6794] WARNING: suspicious RCU usage [ 957.475214][ T6794] 6.10.0-rc4-virtme #1 Tainted: G W [ 957.475412][ T6794] ----------------------------- [ 957.475615][ T6794] drivers/net/bonding/bond_netlink.c:38 suspicious rcu_dereference_protected() usage! [ 957.475971][ T6794] [ 957.475971][ T6794] other info that might help us debug this: [ 957.475971][ T6794] [ 957.476352][ T6794] [ 957.476352][ T6794] rcu_scheduler_active = 2, debug_locks = 1 [ 957.476670][ T6794] 4 locks held by kworker/u16:2/6794: [ 957.476825][ T6794] #0: ffff88800a059148 ((wq_completion)bond1){+.+.}-{0:0}, at: process_one_work+0xdb5/0x1670 [ 957.477237][ T6794] #1: ffffc9000a72fda0 ((work_completion)(&(&bond->ad_work)->work)){+.+.}-{0:0}, at: process_one_work+0xdf1/0x1670 [ 957.477802][ T6794] #2: ffff88800a34ac58 (&bond->mode_lock){+.-.}-{2:2}, at: bond_3ad_state_machine_handler+0xac/0x1e30 [ 957.478220][ T6794] #3: ffffffff87f53680 (rcu_read_lock){....}-{1:2}, at: bond_3ad_state_machine_handler+0xc3/0x1e30 [ 957.478651][ T6794] [ 957.478651][ T6794] stack backtrace: [ 957.478934][ T6794] CPU: 1 PID: 6794 Comm: kworker/u16:2 Tainted: G W 6.10.0-rc4-virtme #1 [ 957.479290][ T6794] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 957.479725][ T6794] Workqueue: bond1 bond_3ad_state_machine_handler [ 957.479929][ T6794] Call Trace: [ 957.480130][ T6794] [ 957.480220][ T6794] dump_stack_lvl+0xb0/0xd0 [ 957.480383][ T6794] lockdep_rcu_suspicious+0x1e5/0x270 [ 957.480552][ T6794] bond_fill_slave_info+0x3ab/0x5c0 [ 957.480716][ T6794] ? __pfx_bond_fill_slave_info+0x10/0x10 [ 957.480952][ T6794] ? nla_put+0x163/0x1d0 [ 957.481185][ T6794] rtnl_link_fill+0x438/0x8a0 [ 957.481354][ T6794] rtnl_fill_ifinfo.constprop.0+0x11c2/0x2a50 [ 957.481565][ T6794] ? __pfx_rtnl_fill_ifinfo.constprop.0+0x10/0x10 [ 957.481857][ T6794] ? kasan_save_track+0x14/0x30 [ 957.482013][ T6794] ? __kasan_kmalloc+0x40/0x90 [ 957.482181][ T6794] ? trace_kmalloc+0x2d/0xe0 [ 957.482344][ T6794] ? kmalloc_node_track_caller_noprof+0x21c/0x400 [ 957.482672][ T6794] ? __alloc_skb+0x111/0x2e0 [ 957.482846][ T6794] ? __build_skb_around+0x237/0x340 [ 957.483007][ T6794] ? __alloc_skb+0x148/0x2e0 [ 957.483247][ T6794] ? __pfx___alloc_skb+0x10/0x10 [ 957.483408][ T6794] rtmsg_ifinfo_build_skb+0x134/0x230 [ 957.483581][ T6794] rtmsg_ifinfo_event.part.0+0x2d/0x120 [ 957.483751][ T6794] rtmsg_ifinfo+0x5b/0xa0 [ 957.483875][ T6794] bond_3ad_state_machine_handler+0x2ac/0x1e30 [ 957.484172][ T6794] ? __pfx_bond_3ad_state_machine_handler+0x10/0x10 [ 957.484368][ T6794] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 957.484521][ T6794] ? trace_lock_acquire+0xc1/0x1f0 [ 957.484684][ T6794] ? trace_lock_acquire+0x14d/0x1f0 [ 957.485004][ T6794] ? process_one_work+0xdf1/0x1670 [ 957.485156][ T6794] ? lock_acquire+0x32/0xc0 [ 957.485320][ T6794] ? process_one_work+0xdf1/0x1670 [ 957.485477][ T6794] process_one_work+0xe3b/0x1670 [ 957.485659][ T6794] ? __pfx___lock_release+0x10/0x10 [ 957.485921][ T6794] ? __pfx_process_one_work+0x10/0x10 [ 957.486084][ T6794] ? assign_work+0x16c/0x240 [ 957.486262][ T6794] worker_thread+0x587/0xd30 [ 957.486509][ T6794] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 957.486725][ T6794] ? __pfx_worker_thread+0x10/0x10 [ 957.486882][ T6794] ? __pfx_worker_thread+0x10/0x10 [ 957.487115][ T6794] kthread+0x28a/0x350 [ 957.487237][ T6794] ? __pfx_kthread+0x10/0x10 [ 957.487567][ T6794] ret_from_fork+0x31/0x70 [ 957.487733][ T6794] ? __pfx_kthread+0x10/0x10 [ 957.487892][ T6794] ret_from_fork_asm+0x1a/0x30 [ 957.488153][ T6794] [ 957.539540][ T6919] bond1: (slave dummy2): Enslaving as a backup interface with an up link [ 957.590941][ T6794] bond1: Warning: No 802.3ad response from the link partner for any adapters in the bond [ 957.710188][ T6920] dummy1: entered promiscuous mode [ 957.710452][ T6920] dummy2: entered promiscuous mode [ 958.412038][ T6933] dummy1: left promiscuous mode [ 958.412374][ T6933] dummy2: left promiscuous mode [ 958.771168][ T6934] bond1 (unregistering): (slave dummy1): Removing an active aggregator [ 958.771595][ T6934] bond1: Warning: No 802.3ad response from the link partner for any adapters in the bond [ 958.772608][ T6934] bond1 (unregistering): (slave dummy1): Releasing backup interface [ 958.785389][ T6934] bond1 (unregistering): (slave dummy2): Removing an active aggregator [ 958.786247][ T6934] bond1 (unregistering): (slave dummy2): Releasing backup interface [ 958.805570][ T6934] bond1 (unregistering): Released all slaves [ 960.573657][ T6953] bond1: (slave dummy1): Enslaving as a backup interface with an up link [ 960.746495][ T6794] bond1: Warning: No 802.3ad response from the link partner for any adapters in the bond [ 960.854890][ T6794] bond1: Warning: No 802.3ad response from the link partner for any adapters in the bond [ 961.545873][ T6968] bond1: (slave dummy1): Removing an active aggregator [ 961.546417][ T6968] bond1: (slave dummy1): Releasing backup interface [ 962.260679][ T6972] bond1 (unregistering): Released all slaves [ 963.116160][ T6981] bond1: (slave dummy1): Enslaving as a backup interface with an up link [ 963.168286][ T6794] bond1: Warning: No 802.3ad response from the link partner for any adapters in the bond [ 963.271285][ T6794] bond1: Warning: No 802.3ad response from the link partner for any adapters in the bond [ 963.976647][ T6994] bond1: (slave dummy1): Removing an active aggregator [ 963.977095][ T6994] bond1: (slave dummy1): Releasing backup interface [ 964.699605][ T6998] bond1 (unregistering): Released all slaves