====================================== | [ 27.866620][ T11] ------------[ cut here ]------------ | [ 27.866952][ T11] RTNL: assertion failed at net/core/dev.c (1985) | [ 27.867346][ T11] WARNING: CPU: 0 PID: 11 at net/core/dev.c:1985 call_netdevice_notifiers_info (net/core/dev.c:1985 (discriminator 3)) | [ 27.867645][ T11] Modules linked in: [ 27.868001][ T11] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 27.868339][ T11] Workqueue: fbond bond_3ad_state_machine_handler [ 27.868572][ T11] RIP: 0010:call_netdevice_notifiers_info (net/core/dev.c:1985 (discriminator 3)) [ 27.868818][ T11] Code: c8 7f 00 41 83 e5 01 75 ae c6 05 a4 6c 52 02 01 90 ba c1 07 00 00 48 c7 c6 60 10 16 b8 48 c7 c7 c0 11 16 b8 e8 93 00 fa fd 90 <0f> 0b 90 90 eb 87 48 89 f7 e8 c4 3a 7a fe e9 3f ff ff ff e8 ba 3a All code ======== 0: c8 7f 00 41 enter $0x7f,$0x41 4: 83 e5 01 and $0x1,%ebp 7: 75 ae jne 0xffffffffffffffb7 9: c6 05 a4 6c 52 02 01 movb $0x1,0x2526ca4(%rip) # 0x2526cb4 10: 90 nop 11: ba c1 07 00 00 mov $0x7c1,%edx 16: 48 c7 c6 60 10 16 b8 mov $0xffffffffb8161060,%rsi 1d: 48 c7 c7 c0 11 16 b8 mov $0xffffffffb81611c0,%rdi 24: e8 93 00 fa fd call 0xfffffffffdfa00bc 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: 90 nop 2e: eb 87 jmp 0xffffffffffffffb7 30: 48 89 f7 mov %rsi,%rdi 33: e8 c4 3a 7a fe call 0xfffffffffe7a3afc 38: e9 3f ff ff ff jmp 0xffffffffffffff7c 3d: e8 .byte 0xe8 3e: ba .byte 0xba 3f: 3a .byte 0x3a Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: 90 nop 4: eb 87 jmp 0xffffffffffffff8d 6: 48 89 f7 mov %rsi,%rdi 9: e8 c4 3a 7a fe call 0xfffffffffe7a3ad2 e: e9 3f ff ff ff jmp 0xffffffffffffff52 13: e8 .byte 0xe8 14: ba .byte 0xba 15: 3a .byte 0x3a [ 27.869540][ T11] RSP: 0018:ffffc900000bfb28 EFLAGS: 00010286 [ 27.869746][ T11] RAX: 0000000000000000 RBX: ffffffffbb49fa80 RCX: 1ffffffff713b1d4 [ 27.869970][ T11] RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000001 [ 27.870186][ T11] RBP: 0000000000000029 R08: 0000000000000000 R09: fffffbfff713b1d4 [ 27.870421][ T11] R10: 0000000000000003 R11: 205d313154202020 R12: ffffc900000bfb70 [ 27.870656][ T11] R13: 0000000000000000 R14: ffffc900000bfc58 R15: ffff888006397aa8 [ 27.870880][ T11] FS: 0000000000000000(0000) GS:ffff888036000000(0000) knlGS:0000000000000000 [ 27.871152][ T11] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 27.871343][ T11] CR2: 00007fae8945d1b4 CR3: 00000000245ce002 CR4: 0000000000770ef0 [ 27.871580][ T11] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 27.871809][ T11] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 27.872037][ T11] PKRU: 55555554 [ 27.872165][ T11] Call Trace: [ 27.872284][ T11] [ 27.872364][ T11] ? call_netdevice_notifiers_info (net/core/dev.c:1985 (discriminator 3)) [ 27.872564][ T11] ? __warn (kernel/panic.c:693) [ 27.872688][ T11] ? call_netdevice_notifiers_info (net/core/dev.c:1985 (discriminator 3)) [ 27.872873][ T11] ? report_bug (lib/bug.c:201 lib/bug.c:219) [ 27.873035][ T11] ? handle_bug (arch/x86/kernel/traps.c:239) [ 27.873152][ T11] ? exc_invalid_op (arch/x86/kernel/traps.c:260 (discriminator 1)) [ 27.873305][ T11] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) [ 27.873466][ T11] ? call_netdevice_notifiers_info (net/core/dev.c:1985 (discriminator 3)) [ 27.873656][ T11] ? call_netdevice_notifiers_info (net/core/dev.c:1985 (discriminator 3)) [ 27.873841][ T11] call_netdevice_notifiers (net/core/dev.c:2045) [ 27.873995][ T11] ? __pfx_call_netdevice_notifiers (net/core/dev.c:2045) [ 27.874185][ T11] bond_3ad_state_machine_handler (drivers/net/bonding/bond_3ad.c:1383 drivers/net/bonding/bond_3ad.c:2507) [ 27.874385][ T11] ? __pfx_bond_3ad_state_machine_handler (drivers/net/bonding/bond_3ad.c:2455) [ 27.874596][ T11] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5719) [ 27.874755][ T11] ? trace_lock_acquire (./include/trace/events/lock.h:24) [ 27.874895][ T11] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) [ 27.875073][ T11] ? process_one_work (kernel/workqueue.c:3207) [ 27.875231][ T11] ? lock_acquire (kernel/locking/lockdep.c:5727) [ 27.875389][ T11] ? process_one_work (kernel/workqueue.c:3207) [ 27.875550][ T11] process_one_work (kernel/workqueue.c:3231) [ 27.875711][ T11] ? __pfx___lock_release (kernel/locking/lockdep.c:5406) [ 27.875884][ T11] ? __pfx_process_one_work (kernel/workqueue.c:3133) [ 27.876042][ T11] ? assign_work (kernel/workqueue.c:1200) [ 27.876212][ T11] worker_thread (kernel/workqueue.c:3306 kernel/workqueue.c:3393) [ 27.876374][ T11] ? __pfx_worker_thread (kernel/workqueue.c:3339) [ 27.876574][ T11] kthread (kernel/kthread.c:389) [ 27.876690][ T11] ? __pfx_kthread (kernel/kthread.c:342) [ 27.876846][ T11] ret_from_fork (arch/x86/kernel/process.c:147) [ 27.877016][ T11] ? __pfx_kthread (kernel/kthread.c:342) [ 27.877166][ T11] ret_from_fork_asm (arch/x86/entry/entry_64.S:257) | [ 27.879917][ T11] #0: ffff8880057b0548 ((wq_completion)fbond){+.+.}-{0:0}, at: process_one_work (kernel/workqueue.c:3206) | [ 27.880248][ T11] #1: ffffc900000bfda0 ((work_completion)(&(&bond->ad_work)->work)){+.+.}-{0:0}, at: process_one_work (kernel/workqueue.c:3207) | [ 27.880596][ T11] #2: ffff88800797ac58 (&bond->mode_lock){+...}-{2:2}, at: bond_3ad_state_machine_handler (./include/linux/rcupdate.h:779 drivers/net/bonding/bond_3ad.c:2470) | [ 27.880929][ T11] #3: ffffffffb8b53680 (rcu_read_lock){....}-{1:2}, at: bond_3ad_state_machine_handler (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 drivers/net/bonding/bond_3ad.c:2470) [ 27.881447][ T11] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 27.881741][ T11] Workqueue: fbond bond_3ad_state_machine_handler [ 27.881916][ T11] Call Trace: [ 27.882019][ T11] [ 27.882092][ T11] dump_stack_lvl (lib/dump_stack.c:117) [ 27.882243][ T11] __might_resched (kernel/sched/core.c:10197) [ 27.882383][ T11] kmem_cache_alloc_node_noprof (./include/linux/kernel.h:73 ./include/linux/sched/mm.h:337 ./include/linux/sched/mm.h:332 mm/slub.c:3891 mm/slub.c:3981 mm/slub.c:4044) [ 27.882549][ T11] ? __alloc_skb (net/core/skbuff.c:664) [ 27.882691][ T11] __alloc_skb (net/core/skbuff.c:664) [ 27.882845][ T11] ? __pfx___alloc_skb (net/core/skbuff.c:647) [ 27.882990][ T11] ? if_nlmsg_size (net/core/rtnetlink.c:1117) [ 27.883134][ T11] rtmsg_ifinfo_build_skb (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/core/rtnetlink.c:4064) [ 27.883279][ T11] rtnetlink_event (net/core/rtnetlink.c:4107 net/core/rtnetlink.c:4097 net/core/rtnetlink.c:6693) [ 27.883425][ T11] ? trace_notifier_run (./include/trace/events/notifier.h:59 (discriminator 52)) [ 27.883562][ T11] notifier_call_chain (kernel/notifier.c:93 (discriminator 2)) [ 27.883704][ T11] call_netdevice_notifiers (net/core/dev.c:2045) [ 27.883842][ T11] ? __pfx_call_netdevice_notifiers (net/core/dev.c:2045) [ 27.884011][ T11] bond_3ad_state_machine_handler (drivers/net/bonding/bond_3ad.c:1383 drivers/net/bonding/bond_3ad.c:2507) [ 27.884191][ T11] ? __pfx_bond_3ad_state_machine_handler (drivers/net/bonding/bond_3ad.c:2455) [ 27.884365][ T11] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5719) [ 27.884501][ T11] ? trace_lock_acquire (./include/trace/events/lock.h:24) [ 27.884635][ T11] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) [ 27.884787][ T11] ? process_one_work (kernel/workqueue.c:3207) [ 27.884923][ T11] ? lock_acquire (kernel/locking/lockdep.c:5727) [ 27.885055][ T11] ? process_one_work (kernel/workqueue.c:3207) [ 27.885204][ T11] process_one_work (kernel/workqueue.c:3231) [ 27.885359][ T11] ? __pfx___lock_release (kernel/locking/lockdep.c:5406) [ 27.885495][ T11] ? __pfx_process_one_work (kernel/workqueue.c:3133) [ 27.885637][ T11] ? assign_work (kernel/workqueue.c:1200) [ 27.885787][ T11] worker_thread (kernel/workqueue.c:3306 kernel/workqueue.c:3393) [ 27.885935][ T11] ? __pfx_worker_thread (kernel/workqueue.c:3339) [ 27.886071][ T11] kthread (kernel/kthread.c:389) [ 27.886179][ T11] ? __pfx_kthread (kernel/kthread.c:342) [ 27.886319][ T11] ret_from_fork (arch/x86/kernel/process.c:147) [ 27.886456][ T11] ? __pfx_kthread (kernel/kthread.c:342) [ 27.886597][ T11] ret_from_fork_asm (arch/x86/entry/entry_64.S:257) | [ 27.886975][ T11] ------------[ cut here ]------------ | [ 27.887120][ T11] RTNL: assertion failed at net/core/rtnetlink.c (1823) | [ 27.887322][ T11] WARNING: CPU: 0 PID: 11 at net/core/rtnetlink.c:1823 rtnl_fill_ifinfo.constprop.0 (net/core/rtnetlink.c:1823) | [ 27.887622][ T11] Modules linked in: [ 27.887971][ T11] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 27.888274][ T11] Workqueue: fbond bond_3ad_state_machine_handler [ 27.888472][ T11] RIP: 0010:rtnl_fill_ifinfo.constprop.0 (net/core/rtnetlink.c:1823) [ 27.888680][ T11] Code: 00 a8 01 0f 85 ab de ff ff c6 05 01 79 4c 02 01 90 ba 1f 07 00 00 48 c7 c6 80 94 16 b8 48 c7 c7 20 95 16 b8 e8 be 0c f4 fd 90 <0f> 0b 90 90 e9 81 de ff ff e8 df e5 7b 00 85 c0 0f 85 f1 01 00 00 All code ======== 0: 00 a8 01 0f 85 ab add %ch,-0x547af0ff(%rax) 6: de ff fdivrp %st,%st(7) 8: ff c6 inc %esi a: 05 01 79 4c 02 add $0x24c7901,%eax f: 01 90 ba 1f 07 00 add %edx,0x71fba(%rax) 15: 00 48 c7 add %cl,-0x39(%rax) 18: c6 80 94 16 b8 48 c7 movb $0xc7,0x48b81694(%rax) 1f: c7 (bad) 20: 20 95 16 b8 e8 be and %dl,-0x411747ea(%rbp) 26: 0c f4 or $0xf4,%al 28: fd std 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: 90 nop 2e: e9 81 de ff ff jmp 0xffffffffffffdeb4 33: e8 df e5 7b 00 call 0x7be617 38: 85 c0 test %eax,%eax 3a: 0f 85 f1 01 00 00 jne 0x231 Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: 90 nop 4: e9 81 de ff ff jmp 0xffffffffffffde8a 9: e8 df e5 7b 00 call 0x7be5ed e: 85 c0 test %eax,%eax 10: 0f 85 f1 01 00 00 jne 0x207 [ 27.889179][ T11] RSP: 0018:ffffc900000bf880 EFLAGS: 00010282 [ 27.889359][ T11] RAX: 0000000000000000 RBX: ffff888006184000 RCX: 1ffffffff713b1d4 [ 27.889574][ T11] RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000001 [ 27.889777][ T11] RBP: ffff8880030930c0 R08: 0000000000000000 R09: fffffbfff713b1d4 [ 27.889983][ T11] R10: 0000000000000003 R11: 205d313154202020 R12: 00000000ffffffff [ 27.890189][ T11] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000010 [ 27.890397][ T11] FS: 0000000000000000(0000) GS:ffff888036000000(0000) knlGS:0000000000000000 [ 27.890651][ T11] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 27.890826][ T11] CR2: 00007fae8945d1b4 CR3: 00000000245ce002 CR4: 0000000000770ef0 [ 27.891029][ T11] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 27.891239][ T11] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 27.891446][ T11] PKRU: 55555554 [ 27.891556][ T11] Call Trace: [ 27.891803][ T11] [ 27.891879][ T11] ? rtnl_fill_ifinfo.constprop.0 (net/core/rtnetlink.c:1823) [ 27.892050][ T11] ? __warn (kernel/panic.c:693) [ 27.892230][ T11] ? rtnl_fill_ifinfo.constprop.0 (net/core/rtnetlink.c:1823) [ 27.892405][ T11] ? report_bug (lib/bug.c:201 lib/bug.c:219) [ 27.892750][ T11] ? handle_bug (arch/x86/kernel/traps.c:239) [ 27.892861][ T11] ? exc_invalid_op (arch/x86/kernel/traps.c:260 (discriminator 1)) [ 27.892998][ T11] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) [ 27.893147][ T11] ? rtnl_fill_ifinfo.constprop.0 (net/core/rtnetlink.c:1823) [ 27.893326][ T11] ? __pfx_rtnl_fill_ifinfo.constprop.0 (net/core/rtnetlink.c:1811) [ 27.893497][ T11] ? kasan_save_track (./arch/x86/include/asm/current.h:49 mm/kasan/common.c:60 mm/kasan/common.c:69) [ 27.893644][ T11] ? __kasan_kmalloc (mm/kasan/common.c:391) [ 27.893783][ T11] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) [ 27.893924][ T11] ? kmalloc_node_track_caller_noprof (mm/slub.c:4143) [ 27.894167][ T11] ? __alloc_skb (net/core/skbuff.c:674) [ 27.894313][ T11] ? __build_skb_around (./arch/x86/include/asm/atomic.h:28 ./include/linux/atomic/atomic-arch-fallback.h:503 ./include/linux/atomic/atomic-instrumented.h:68 net/core/skbuff.c:388 net/core/skbuff.c:445) [ 27.894453][ T11] ? __alloc_skb (net/core/skbuff.c:690) [ 27.894692][ T11] ? __pfx___alloc_skb (net/core/skbuff.c:647) [ 27.894836][ T11] rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4073) [ 27.894988][ T11] rtnetlink_event (net/core/rtnetlink.c:4107 net/core/rtnetlink.c:4097 net/core/rtnetlink.c:6693) [ 27.895128][ T11] ? trace_notifier_run (./include/trace/events/notifier.h:59 (discriminator 52)) [ 27.895352][ T11] notifier_call_chain (kernel/notifier.c:93 (discriminator 2)) [ 27.895500][ T11] call_netdevice_notifiers (net/core/dev.c:2045) [ 27.895652][ T11] ? __pfx_call_netdevice_notifiers (net/core/dev.c:2045) [ 27.895831][ T11] bond_3ad_state_machine_handler (drivers/net/bonding/bond_3ad.c:1383 drivers/net/bonding/bond_3ad.c:2507) [ 27.896016][ T11] ? __pfx_bond_3ad_state_machine_handler (drivers/net/bonding/bond_3ad.c:2455) [ 27.896274][ T11] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5719) [ 27.896418][ T11] ? trace_lock_acquire (./include/trace/events/lock.h:24) [ 27.896580][ T11] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) [ 27.896793][ T11] ? process_one_work (kernel/workqueue.c:3207) [ 27.896928][ T11] ? lock_acquire (kernel/locking/lockdep.c:5727) [ 27.897151][ T11] ? process_one_work (kernel/workqueue.c:3207) [ 27.897300][ T11] process_one_work (kernel/workqueue.c:3231) [ 27.897468][ T11] ? __pfx___lock_release (kernel/locking/lockdep.c:5406) [ 27.897619][ T11] ? __pfx_process_one_work (kernel/workqueue.c:3133) [ 27.897784][ T11] ? assign_work (kernel/workqueue.c:1200) [ 27.897923][ T11] worker_thread (kernel/workqueue.c:3306 kernel/workqueue.c:3393) [ 27.898076][ T11] ? __pfx_worker_thread (kernel/workqueue.c:3339) [ 27.898281][ T11] kthread (kernel/kthread.c:389) [ 27.898390][ T11] ? __pfx_kthread (kernel/kthread.c:342) [ 27.898541][ T11] ret_from_fork (arch/x86/kernel/process.c:147) [ 27.898686][ T11] ? __pfx_kthread (kernel/kthread.c:342) [ 27.898891][ T11] ret_from_fork_asm (arch/x86/entry/entry_64.S:257) | [ 27.900529][ T11] ------------[ cut here ]------------ | [ 27.900671][ T11] RTNL: assertion failed at net/core/dev.c (7093) | [ 27.900948][ T11] WARNING: CPU: 0 PID: 11 at net/core/dev.c:7093 netdev_master_upper_dev_get (net/core/dev.c:7093 (discriminator 3)) | [ 27.901187][ T11] Modules linked in: [ 27.901638][ T11] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 27.901944][ T11] Workqueue: fbond bond_3ad_state_machine_handler [ 27.902127][ T11] RIP: 0010:netdev_master_upper_dev_get (net/core/dev.c:7093 (discriminator 3)) [ 27.902324][ T11] Code: 83 e5 01 0f 85 44 ff ff ff c6 05 c6 4c 54 02 01 90 ba b5 1b 00 00 48 c7 c6 60 10 16 b8 48 c7 c7 c0 11 16 b8 e8 c9 e0 fb fd 90 <0f> 0b 90 90 e9 1a ff ff ff e8 6a 1a 7c fe e9 70 ff ff ff 48 89 ef All code ======== 0: 83 e5 01 and $0x1,%ebp 3: 0f 85 44 ff ff ff jne 0xffffffffffffff4d 9: c6 05 c6 4c 54 02 01 movb $0x1,0x2544cc6(%rip) # 0x2544cd6 10: 90 nop 11: ba b5 1b 00 00 mov $0x1bb5,%edx 16: 48 c7 c6 60 10 16 b8 mov $0xffffffffb8161060,%rsi 1d: 48 c7 c7 c0 11 16 b8 mov $0xffffffffb81611c0,%rdi 24: e8 c9 e0 fb fd call 0xfffffffffdfbe0f2 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: 90 nop 2e: e9 1a ff ff ff jmp 0xffffffffffffff4d 33: e8 6a 1a 7c fe call 0xfffffffffe7c1aa2 38: e9 70 ff ff ff jmp 0xffffffffffffffad 3d: 48 89 ef mov %rbp,%rdi Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: 90 nop 4: e9 1a ff ff ff jmp 0xffffffffffffff23 9: e8 6a 1a 7c fe call 0xfffffffffe7c1a78 e: e9 70 ff ff ff jmp 0xffffffffffffff83 13: 48 89 ef mov %rbp,%rdi [ 27.902999][ T11] RSP: 0018:ffffc900000bf810 EFLAGS: 00010286 [ 27.903178][ T11] RAX: 0000000000000000 RBX: ffff888006184000 RCX: 1ffffffff713b1d4 [ 27.903400][ T11] RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000001 [ 27.903703][ T11] RBP: 0000000000000000 R08: 0000000000000000 R09: fffffbfff713b1d4 [ 27.903917][ T11] R10: 0000000000000003 R11: 205d313154202020 R12: ffff888006184000 [ 27.904126][ T11] R13: ffffffffb926e1e0 R14: ffff888003093170 R15: ffff888003093178 [ 27.904337][ T11] FS: 0000000000000000(0000) GS:ffff888036000000(0000) knlGS:0000000000000000 [ 27.904589][ T11] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 27.904849][ T11] CR2: 00007fae8945d1b4 CR3: 00000000245ce002 CR4: 0000000000770ef0 [ 27.905068][ T11] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 27.905273][ T11] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 27.905494][ T11] PKRU: 55555554 [ 27.905706][ T11] Call Trace: [ 27.905812][ T11] [ 27.905893][ T11] ? netdev_master_upper_dev_get (net/core/dev.c:7093 (discriminator 3)) [ 27.906071][ T11] ? __warn (kernel/panic.c:693) [ 27.906180][ T11] ? netdev_master_upper_dev_get (net/core/dev.c:7093 (discriminator 3)) [ 27.906438][ T11] ? report_bug (lib/bug.c:201 lib/bug.c:219) [ 27.906604][ T11] ? handle_bug (arch/x86/kernel/traps.c:239) [ 27.906712][ T11] ? exc_invalid_op (arch/x86/kernel/traps.c:260 (discriminator 1)) [ 27.906853][ T11] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) [ 27.907082][ T11] ? netdev_master_upper_dev_get (net/core/dev.c:7093 (discriminator 3)) [ 27.907261][ T11] rtnl_link_fill (net/core/rtnetlink.c:655 net/core/rtnetlink.c:724) [ 27.907415][ T11] rtnl_fill_ifinfo.constprop.0 (net/core/rtnetlink.c:1922) [ 27.907608][ T11] ? __pfx_rtnl_fill_ifinfo.constprop.0 (net/core/rtnetlink.c:1811) [ 27.907863][ T11] ? kasan_save_track (./arch/x86/include/asm/current.h:49 mm/kasan/common.c:60 mm/kasan/common.c:69) [ 27.908002][ T11] ? poison_slab_object (mm/kasan/common.c:243) [ 27.908159][ T11] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) [ 27.908307][ T11] ? kmalloc_node_track_caller_noprof (mm/slub.c:4143) [ 27.908488][ T11] ? __alloc_skb (net/core/skbuff.c:674) [ 27.908658][ T11] ? __build_skb_around (./arch/x86/include/asm/atomic.h:28 ./include/linux/atomic/atomic-arch-fallback.h:503 ./include/linux/atomic/atomic-instrumented.h:68 net/core/skbuff.c:388 net/core/skbuff.c:445) [ 27.908811][ T11] ? __alloc_skb (net/core/skbuff.c:690) [ 27.909029][ T11] ? __pfx___alloc_skb (net/core/skbuff.c:647) [ 27.909178][ T11] rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4073) [ 27.909338][ T11] rtnetlink_event (net/core/rtnetlink.c:4107 net/core/rtnetlink.c:4097 net/core/rtnetlink.c:6693) [ 27.909484][ T11] ? trace_notifier_run (./include/trace/events/notifier.h:59 (discriminator 52)) [ 27.909631][ T11] notifier_call_chain (kernel/notifier.c:93 (discriminator 2)) [ 27.909854][ T11] call_netdevice_notifiers (net/core/dev.c:2045) [ 27.910000][ T11] ? __pfx_call_netdevice_notifiers (net/core/dev.c:2045) [ 27.910179][ T11] bond_3ad_state_machine_handler (drivers/net/bonding/bond_3ad.c:1383 drivers/net/bonding/bond_3ad.c:2507) [ 27.910384][ T11] ? __pfx_bond_3ad_state_machine_handler (drivers/net/bonding/bond_3ad.c:2455) [ 27.910670][ T11] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5719) [ 27.910812][ T11] ? trace_lock_acquire (./include/trace/events/lock.h:24) [ 27.910951][ T11] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) [ 27.911100][ T11] ? process_one_work (kernel/workqueue.c:3207) [ 27.911322][ T11] ? lock_acquire (kernel/locking/lockdep.c:5727) [ 27.911469][ T11] ? process_one_work (kernel/workqueue.c:3207) [ 27.911639][ T11] process_one_work (kernel/workqueue.c:3231) [ 27.911792][ T11] ? __pfx___lock_release (kernel/locking/lockdep.c:5406) [ 27.912013][ T11] ? __pfx_process_one_work (kernel/workqueue.c:3133) [ 27.912246][ T11] ? assign_work (kernel/workqueue.c:1200) [ 27.912407][ T11] worker_thread (kernel/workqueue.c:3306 kernel/workqueue.c:3393) [ 27.912575][ T11] ? __pfx_worker_thread (kernel/workqueue.c:3339) [ 27.912717][ T11] kthread (kernel/kthread.c:389) [ 27.912830][ T11] ? __pfx_kthread (kernel/kthread.c:342) [ 27.912975][ T11] ret_from_fork (arch/x86/kernel/process.c:147) [ 27.913121][ T11] ? __pfx_kthread (kernel/kthread.c:342) [ 27.913344][ T11] ret_from_fork_asm (arch/x86/entry/entry_64.S:257) | [ 27.917518][ T11] #2: ffff88800797ac58 (&bond->mode_lock){+...}-{2:2}, at: bond_3ad_state_machine_handler (./include/linux/rcupdate.h:779 drivers/net/bonding/bond_3ad.c:2470) | [ 27.917900][ T11] #3: ffffffffb8b53680 (rcu_read_lock){....}-{1:2}, at: bond_3ad_state_machine_handler (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 drivers/net/bonding/bond_3ad.c:2470) | [ 27.918291][ T11] | [ 27.918291][ T11] stack backtrace: [ 27.918749][ T11] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 27.919163][ T11] Workqueue: fbond bond_3ad_state_machine_handler [ 27.919343][ T11] Call Trace: [ 27.919459][ T11] [ 27.919534][ T11] dump_stack_lvl (lib/dump_stack.c:117) [ 27.919685][ T11] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6713) [ 27.919977][ T11] bond_fill_slave_info (drivers/net/bonding/bond_netlink.c:38 (discriminator 7)) [ 27.920118][ T11] ? __pfx_bond_fill_slave_info (drivers/net/bonding/bond_netlink.c:37) [ 27.920269][ T11] ? nla_put (lib/nlattr.c:1100) [ 27.920380][ T11] rtnl_link_fill (net/core/rtnetlink.c:667 net/core/rtnetlink.c:724) [ 27.920533][ T11] rtnl_fill_ifinfo.constprop.0 (net/core/rtnetlink.c:1922) [ 27.920708][ T11] ? __pfx_rtnl_fill_ifinfo.constprop.0 (net/core/rtnetlink.c:1811) [ 27.920964][ T11] ? kasan_save_track (./arch/x86/include/asm/current.h:49 mm/kasan/common.c:60 mm/kasan/common.c:69) [ 27.921100][ T11] ? poison_slab_object (mm/kasan/common.c:243) [ 27.921239][ T11] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) [ 27.921406][ T11] ? kmalloc_node_track_caller_noprof (mm/slub.c:4143) [ 27.921576][ T11] ? __alloc_skb (net/core/skbuff.c:674) [ 27.921784][ T11] ? __build_skb_around (./arch/x86/include/asm/atomic.h:28 ./include/linux/atomic/atomic-arch-fallback.h:503 ./include/linux/atomic/atomic-instrumented.h:68 net/core/skbuff.c:388 net/core/skbuff.c:445) [ 27.921932][ T11] ? __alloc_skb (net/core/skbuff.c:690) [ 27.922156][ T11] ? __pfx___alloc_skb (net/core/skbuff.c:647) [ 27.922310][ T11] rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4073) [ 27.922466][ T11] rtnetlink_event (net/core/rtnetlink.c:4107 net/core/rtnetlink.c:4097 net/core/rtnetlink.c:6693) [ 27.922707][ T11] ? trace_notifier_run (./include/trace/events/notifier.h:59 (discriminator 52)) [ 27.922844][ T11] notifier_call_chain (kernel/notifier.c:93 (discriminator 2)) [ 27.923000][ T11] call_netdevice_notifiers (net/core/dev.c:2045) [ 27.923144][ T11] ? __pfx_call_netdevice_notifiers (net/core/dev.c:2045) [ 27.923328][ T11] bond_3ad_state_machine_handler (drivers/net/bonding/bond_3ad.c:1383 drivers/net/bonding/bond_3ad.c:2507) [ 27.923510][ T11] ? __pfx_bond_3ad_state_machine_handler (drivers/net/bonding/bond_3ad.c:2455) [ 27.923687][ T11] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5719) [ 27.923909][ T11] ? trace_lock_acquire (./include/trace/events/lock.h:24) [ 27.924052][ T11] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) [ 27.924191][ T11] ? process_one_work (kernel/workqueue.c:3207) [ 27.924331][ T11] ? lock_acquire (kernel/locking/lockdep.c:5727) [ 27.924478][ T11] ? process_one_work (kernel/workqueue.c:3207) [ 27.924725][ T11] process_one_work (kernel/workqueue.c:3231) [ 27.924869][ T11] ? __pfx___lock_release (kernel/locking/lockdep.c:5406) [ 27.925008][ T11] ? __pfx_process_one_work (kernel/workqueue.c:3133) [ 27.925155][ T11] ? assign_work (kernel/workqueue.c:1200) [ 27.925314][ T11] worker_thread (kernel/workqueue.c:3306 kernel/workqueue.c:3393) [ 27.925483][ T11] ? __pfx_worker_thread (kernel/workqueue.c:3339) [ 27.925628][ T11] kthread (kernel/kthread.c:389) [ 27.925736][ T11] ? __pfx_kthread (kernel/kthread.c:342) [ 27.925879][ T11] ret_from_fork (arch/x86/kernel/process.c:147) [ 27.926020][ T11] ? __pfx_kthread (kernel/kthread.c:342) [ 27.926159][ T11] ret_from_fork_asm (arch/x86/entry/entry_64.S:257) | [ 27.929460][ T11] #3: ffffffffb8b53680 (rcu_read_lock){....}-{1:2}, at: bond_3ad_state_machine_handler (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 drivers/net/bonding/bond_3ad.c:2470) | [ 27.929850][ T11] #4: ffffffffb8b53680 (rcu_read_lock){....}-{1:2}, at: rtnl_fill_ifinfo.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 net/core/rtnetlink.c:1937) | [ 27.930134][ T11] | [ 27.930134][ T11] stack backtrace: [ 27.930608][ T11] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 27.930992][ T11] Workqueue: fbond bond_3ad_state_machine_handler [ 27.931166][ T11] Call Trace: [ 27.931282][ T11] [ 27.931361][ T11] dump_stack_lvl (lib/dump_stack.c:117) [ 27.931505][ T11] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6713) [ 27.931750][ T11] veth_get_link_net (drivers/net/veth.c:1931 (discriminator 7)) [ 27.931963][ T11] rtnl_fill_ifinfo.constprop.0 (net/core/rtnetlink.c:1643 net/core/rtnetlink.c:1938) [ 27.932151][ T11] ? __pfx_rtnl_fill_ifinfo.constprop.0 (net/core/rtnetlink.c:1811) [ 27.932340][ T11] ? kasan_save_track (./arch/x86/include/asm/current.h:49 mm/kasan/common.c:60 mm/kasan/common.c:69) [ 27.932509][ T11] ? poison_slab_object (mm/kasan/common.c:243) [ 27.932650][ T11] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) [ 27.932788][ T11] ? kmalloc_node_track_caller_noprof (mm/slub.c:4143) [ 27.932963][ T11] ? __alloc_skb (net/core/skbuff.c:674) [ 27.933103][ T11] ? __build_skb_around (./arch/x86/include/asm/atomic.h:28 ./include/linux/atomic/atomic-arch-fallback.h:503 ./include/linux/atomic/atomic-instrumented.h:68 net/core/skbuff.c:388 net/core/skbuff.c:445) [ 27.933240][ T11] ? __alloc_skb (net/core/skbuff.c:690) [ 27.933384][ T11] ? __pfx___alloc_skb (net/core/skbuff.c:647) [ 27.933528][ T11] rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4073) [ 27.933741][ T11] rtnetlink_event (net/core/rtnetlink.c:4107 net/core/rtnetlink.c:4097 net/core/rtnetlink.c:6693) [ 27.933888][ T11] ? trace_notifier_run (./include/trace/events/notifier.h:59 (discriminator 52)) [ 27.934030][ T11] notifier_call_chain (kernel/notifier.c:93 (discriminator 2)) [ 27.934175][ T11] call_netdevice_notifiers (net/core/dev.c:2045) [ 27.934392][ T11] ? __pfx_call_netdevice_notifiers (net/core/dev.c:2045) [ 27.934566][ T11] bond_3ad_state_machine_handler (drivers/net/bonding/bond_3ad.c:1383 drivers/net/bonding/bond_3ad.c:2507) [ 27.934742][ T11] ? __pfx_bond_3ad_state_machine_handler (drivers/net/bonding/bond_3ad.c:2455) [ 27.934908][ T11] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5719) [ 27.935110][ T11] ? trace_lock_acquire (./include/trace/events/lock.h:24) [ 27.935246][ T11] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) [ 27.935390][ T11] ? process_one_work (kernel/workqueue.c:3207) [ 27.935521][ T11] ? lock_acquire (kernel/locking/lockdep.c:5727) [ 27.935725][ T11] ? process_one_work (kernel/workqueue.c:3207) [ 27.935866][ T11] process_one_work (kernel/workqueue.c:3231) [ 27.936009][ T11] ? __pfx___lock_release (kernel/locking/lockdep.c:5406) [ 27.936153][ T11] ? __pfx_process_one_work (kernel/workqueue.c:3133) [ 27.936433][ T11] ? assign_work (kernel/workqueue.c:1200) [ 27.936577][ T11] worker_thread (kernel/workqueue.c:3306 kernel/workqueue.c:3393) [ 27.936729][ T11] ? __pfx_worker_thread (kernel/workqueue.c:3339) [ 27.936864][ T11] kthread (kernel/kthread.c:389) [ 27.936967][ T11] ? __pfx_kthread (kernel/kthread.c:342) [ 27.937180][ T11] ret_from_fork (arch/x86/kernel/process.c:147) [ 27.937323][ T11] ? __pfx_kthread (kernel/kthread.c:342) [ 27.937528][ T11] ret_from_fork_asm (arch/x86/entry/entry_64.S:257) | [ 27.938001][ T11] ------------[ cut here ]------------ | [ 27.938138][ T11] RTNL: assertion failed at net/core/fib_rules.c (1246) | [ 27.938350][ T11] WARNING: CPU: 0 PID: 11 at net/core/fib_rules.c:1246 fib_rules_event (net/core/fib_rules.c:1246 (discriminator 3)) | [ 27.938722][ T11] Modules linked in: [ 27.939065][ T11] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 27.939394][ T11] Workqueue: fbond bond_3ad_state_machine_handler [ 27.939582][ T11] RIP: 0010:fib_rules_event (net/core/fib_rules.c:1246 (discriminator 3)) [ 27.939720][ T11] Code: 83 e5 01 0f 85 ab fc ff ff c6 05 94 e7 41 02 01 90 ba de 04 00 00 48 c7 c6 c0 8c 17 b8 48 c7 c7 a0 8e 17 b8 e8 38 7b e9 fd 90 <0f> 0b 90 90 e9 81 fc ff ff 4c 89 44 24 10 48 89 74 24 08 48 89 0c All code ======== 0: 83 e5 01 and $0x1,%ebp 3: 0f 85 ab fc ff ff jne 0xfffffffffffffcb4 9: c6 05 94 e7 41 02 01 movb $0x1,0x241e794(%rip) # 0x241e7a4 10: 90 nop 11: ba de 04 00 00 mov $0x4de,%edx 16: 48 c7 c6 c0 8c 17 b8 mov $0xffffffffb8178cc0,%rsi 1d: 48 c7 c7 a0 8e 17 b8 mov $0xffffffffb8178ea0,%rdi 24: e8 38 7b e9 fd call 0xfffffffffde97b61 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: 90 nop 2e: e9 81 fc ff ff jmp 0xfffffffffffffcb4 33: 4c 89 44 24 10 mov %r8,0x10(%rsp) 38: 48 89 74 24 08 mov %rsi,0x8(%rsp) 3d: 48 rex.W 3e: 89 .byte 0x89 3f: 0c .byte 0xc Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: 90 nop 4: e9 81 fc ff ff jmp 0xfffffffffffffc8a 9: 4c 89 44 24 10 mov %r8,0x10(%rsp) e: 48 89 74 24 08 mov %rsi,0x8(%rsp) 13: 48 rex.W 14: 89 .byte 0x89 15: 0c .byte 0xc [ 27.940269][ T11] RSP: 0018:ffffc900000bfaa0 EFLAGS: 00010286 [ 27.940447][ T11] RAX: 0000000000000000 RBX: 0000000000000029 RCX: 1ffffffff713b1d4 [ 27.940772][ T11] RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000001 [ 27.940976][ T11] RBP: 0000000000000000 R08: 0000000000000000 R09: fffffbfff713b1d4 [ 27.941183][ T11] R10: 0000000000000003 R11: 205d313154202020 R12: 0000000000000000 [ 27.941384][ T11] R13: ffffffffbb49fa80 R14: ffff888006184000 R15: ffffc900000bfb70 [ 27.941594][ T11] FS: 0000000000000000(0000) GS:ffff888036000000(0000) knlGS:0000000000000000 [ 27.941984][ T11] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 27.942155][ T11] CR2: 00007fae8945d1b4 CR3: 00000000245ce002 CR4: 0000000000770ef0 [ 27.942358][ T11] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 27.942569][ T11] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 27.942844][ T11] PKRU: 55555554 [ 27.942947][ T11] Call Trace: [ 27.943050][ T11] [ 27.943126][ T11] ? fib_rules_event (net/core/fib_rules.c:1246 (discriminator 3)) [ 27.943262][ T11] ? __warn (kernel/panic.c:693) [ 27.943372][ T11] ? fib_rules_event (net/core/fib_rules.c:1246 (discriminator 3)) [ 27.943519][ T11] ? report_bug (lib/bug.c:201 lib/bug.c:219) [ 27.943659][ T11] ? handle_bug (arch/x86/kernel/traps.c:239) [ 27.943844][ T11] ? exc_invalid_op (arch/x86/kernel/traps.c:260 (discriminator 1)) [ 27.943980][ T11] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) [ 27.944136][ T11] ? fib_rules_event (net/core/fib_rules.c:1246 (discriminator 3)) [ 27.944284][ T11] notifier_call_chain (kernel/notifier.c:93 (discriminator 2)) [ 27.944426][ T11] call_netdevice_notifiers (net/core/dev.c:2045) [ 27.944829][ T11] ? __pfx_call_netdevice_notifiers (net/core/dev.c:2045) [ 27.945008][ T11] bond_3ad_state_machine_handler (drivers/net/bonding/bond_3ad.c:1383 drivers/net/bonding/bond_3ad.c:2507) [ 27.945198][ T11] ? __pfx_bond_3ad_state_machine_handler (drivers/net/bonding/bond_3ad.c:2455) [ 27.945371][ T11] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5719) [ 27.945523][ T11] ? trace_lock_acquire (./include/trace/events/lock.h:24) [ 27.945658][ T11] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) [ 27.945805][ T11] ? process_one_work (kernel/workqueue.c:3207) [ 27.945948][ T11] ? lock_acquire (kernel/locking/lockdep.c:5727) [ 27.946165][ T11] ? process_one_work (kernel/workqueue.c:3207) [ 27.946317][ T11] process_one_work (kernel/workqueue.c:3231) [ 27.946474][ T11] ? __pfx___lock_release (kernel/locking/lockdep.c:5406) [ 27.946619][ T11] ? __pfx_process_one_work (kernel/workqueue.c:3133) [ 27.946780][ T11] ? assign_work (kernel/workqueue.c:1200) [ 27.946929][ T11] worker_thread (kernel/workqueue.c:3306 kernel/workqueue.c:3393) [ 27.947082][ T11] ? __pfx_worker_thread (kernel/workqueue.c:3339) [ 27.947290][ T11] kthread (kernel/kthread.c:389) [ 27.947466][ T11] ? __pfx_kthread (kernel/kthread.c:342) [ 27.947622][ T11] ret_from_fork (arch/x86/kernel/process.c:147) [ 27.947755][ T11] ? __pfx_kthread (kernel/kthread.c:342) [ 27.947897][ T11] ret_from_fork_asm (arch/x86/entry/entry_64.S:257) | [ 27.952291][ T280] veth2-bond: entered promiscuous mode | [ 27.952407][ T11] | [ 27.952407][ T11] stack backtrace: | [ 27.952760][ T280] veth2-bond: entered allmulticast mode [ 27.953432][ T11] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 27.953785][ T11] Workqueue: fbond bond_3ad_state_machine_handler [ 27.953952][ T11] Call Trace: [ 27.954065][ T11] [ 27.954138][ T11] dump_stack_lvl (lib/dump_stack.c:117) [ 27.954274][ T11] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6713) [ 27.954487][ T11] inetdev_event (./include/linux/inetdevice.h:252 net/ipv4/devinet.c:1559) [ 27.954622][ T11] ? notifier_call_chain (kernel/notifier.c:93 (discriminator 2)) [ 27.954756][ T11] notifier_call_chain (kernel/notifier.c:93 (discriminator 2)) [ 27.954891][ T11] call_netdevice_notifiers (net/core/dev.c:2045) [ 27.955084][ T11] ? __pfx_call_netdevice_notifiers (net/core/dev.c:2045) [ 27.955250][ T11] bond_3ad_state_machine_handler (drivers/net/bonding/bond_3ad.c:1383 drivers/net/bonding/bond_3ad.c:2507) [ 27.955420][ T11] ? __pfx_bond_3ad_state_machine_handler (drivers/net/bonding/bond_3ad.c:2455) [ 27.955657][ T11] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5719) [ 27.955789][ T11] ? trace_lock_acquire (./include/trace/events/lock.h:24) [ 27.955922][ T11] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) [ 27.956054][ T11] ? process_one_work (kernel/workqueue.c:3207) [ 27.956182][ T11] ? lock_acquire (kernel/locking/lockdep.c:5727) [ 27.956371][ T11] ? process_one_work (kernel/workqueue.c:3207) [ 27.956518][ T11] process_one_work (kernel/workqueue.c:3231) [ 27.956657][ T11] ? __pfx___lock_release (kernel/locking/lockdep.c:5406) [ 27.956788][ T11] ? __pfx_process_one_work (kernel/workqueue.c:3133) [ 27.957001][ T11] ? assign_work (kernel/workqueue.c:1200) [ 27.957184][ T11] worker_thread (kernel/workqueue.c:3306 kernel/workqueue.c:3393) [ 27.957338][ T11] ? __pfx_worker_thread (kernel/workqueue.c:3339) [ 27.957488][ T11] kthread (kernel/kthread.c:389) [ 27.957680][ T11] ? __pfx_kthread (kernel/kthread.c:342) [ 27.957824][ T11] ret_from_fork (arch/x86/kernel/process.c:147) [ 27.957970][ T11] ? __pfx_kthread (kernel/kthread.c:342) [ 27.958112][ T11] ret_from_fork_asm (arch/x86/entry/entry_64.S:257) | [ 27.960881][ T11] #2: ffff88800797ac58 (&bond->mode_lock){+...}-{2:2}, at: bond_3ad_state_machine_handler (./include/linux/rcupdate.h:779 drivers/net/bonding/bond_3ad.c:2470) | [ 27.961241][ T11] #3: ffffffffb8b53680 (rcu_read_lock){....}-{1:2}, at: bond_3ad_state_machine_handler (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 drivers/net/bonding/bond_3ad.c:2470) | [ 27.961534][ T11] | [ 27.961534][ T11] stack backtrace: [ 27.962012][ T11] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 27.962317][ T11] Workqueue: fbond bond_3ad_state_machine_handler [ 27.962577][ T11] Call Trace: [ 27.962702][ T11] [ 27.962774][ T11] dump_stack_lvl (lib/dump_stack.c:117) [ 27.962906][ T11] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6713) [ 27.963044][ T11] fib_netdev_event (./include/linux/inetdevice.h:252 net/ipv4/fib_frontend.c:1479) [ 27.963246][ T11] notifier_call_chain (kernel/notifier.c:93 (discriminator 2)) [ 27.963389][ T11] call_netdevice_notifiers (net/core/dev.c:2045) [ 27.963537][ T11] ? __pfx_call_netdevice_notifiers (net/core/dev.c:2045) [ 27.963723][ T11] bond_3ad_state_machine_handler (drivers/net/bonding/bond_3ad.c:1383 drivers/net/bonding/bond_3ad.c:2507) [ 27.963967][ T11] ? __pfx_bond_3ad_state_machine_handler (drivers/net/bonding/bond_3ad.c:2455) [ 27.964137][ T11] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5719) [ 27.964278][ T11] ? trace_lock_acquire (./include/trace/events/lock.h:24) [ 27.964478][ T11] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) [ 27.964624][ T11] ? process_one_work (kernel/workqueue.c:3207) [ 27.964766][ T11] ? lock_acquire (kernel/locking/lockdep.c:5727) [ 27.964904][ T11] ? process_one_work (kernel/workqueue.c:3207) [ 27.965049][ T11] process_one_work (kernel/workqueue.c:3231) [ 27.965262][ T11] ? __pfx___lock_release (kernel/locking/lockdep.c:5406) [ 27.965403][ T11] ? __pfx_process_one_work (kernel/workqueue.c:3133) [ 27.965551][ T11] ? assign_work (kernel/workqueue.c:1200) [ 27.965706][ T11] worker_thread (kernel/workqueue.c:3306 kernel/workqueue.c:3393) [ 27.965924][ T11] ? __pfx_worker_thread (kernel/workqueue.c:3339) [ 27.966070][ T11] kthread (kernel/kthread.c:389) [ 27.966178][ T11] ? __pfx_kthread (kernel/kthread.c:342) [ 27.966318][ T11] ret_from_fork (arch/x86/kernel/process.c:147) [ 27.966517][ T11] ? __pfx_kthread (kernel/kthread.c:342) [ 27.966656][ T11] ret_from_fork_asm (arch/x86/entry/entry_64.S:257) | [ 27.969377][ T11] #2: ffff88800797ac58 (&bond->mode_lock){+...}-{2:2}, at: bond_3ad_state_machine_handler (./include/linux/rcupdate.h:779 drivers/net/bonding/bond_3ad.c:2470) | [ 27.969664][ T11] #3: ffffffffb8b53680 (rcu_read_lock){....}-{1:2}, at: bond_3ad_state_machine_handler (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 drivers/net/bonding/bond_3ad.c:2470) | [ 27.970013][ T11] | [ 27.970013][ T11] stack backtrace: [ 27.970413][ T11] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 27.970874][ T11] Workqueue: fbond bond_3ad_state_machine_handler [ 27.971085][ T11] Call Trace: [ 27.971192][ T11] [ 27.971270][ T11] dump_stack_lvl (lib/dump_stack.c:117) [ 27.971423][ T11] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6713) [ 27.971566][ T11] bond_slave_netdev_event (drivers/net/bonding/bond_main.c:3874 (discriminator 7)) [ 27.971703][ T11] ? ipmr_device_event (net/ipv4/ipmr.c:1754) [ 27.971850][ T11] notifier_call_chain (kernel/notifier.c:93 (discriminator 2)) [ 27.971994][ T11] call_netdevice_notifiers (net/core/dev.c:2045) [ 27.972144][ T11] ? __pfx_call_netdevice_notifiers (net/core/dev.c:2045) [ 27.972324][ T11] bond_3ad_state_machine_handler (drivers/net/bonding/bond_3ad.c:1383 drivers/net/bonding/bond_3ad.c:2507) [ 27.972504][ T11] ? __pfx_bond_3ad_state_machine_handler (drivers/net/bonding/bond_3ad.c:2455) [ 27.972673][ T11] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5719) [ 27.972816][ T11] ? trace_lock_acquire (./include/trace/events/lock.h:24) [ 27.972951][ T11] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) [ 27.973096][ T11] ? process_one_work (kernel/workqueue.c:3207) [ 27.973231][ T11] ? lock_acquire (kernel/locking/lockdep.c:5727) [ 27.973367][ T11] ? process_one_work (kernel/workqueue.c:3207) [ 27.973508][ T11] process_one_work (kernel/workqueue.c:3231) [ 27.973657][ T11] ? __pfx___lock_release (kernel/locking/lockdep.c:5406) [ 27.973798][ T11] ? __pfx_process_one_work (kernel/workqueue.c:3133) [ 27.973944][ T11] ? assign_work (kernel/workqueue.c:1200) [ 27.974085][ T11] worker_thread (kernel/workqueue.c:3306 kernel/workqueue.c:3393) [ 27.974240][ T11] ? __pfx_worker_thread (kernel/workqueue.c:3339) [ 27.974378][ T11] kthread (kernel/kthread.c:389) [ 27.974482][ T11] ? __pfx_kthread (kernel/kthread.c:342) [ 27.974624][ T11] ret_from_fork (arch/x86/kernel/process.c:147) [ 27.974765][ T11] ? __pfx_kthread (kernel/kthread.c:342) [ 27.974902][ T11] ret_from_fork_asm (arch/x86/entry/entry_64.S:257) | [ 27.977460][ T11] #2: ffff88800797ac58 (&bond->mode_lock){+...}-{2:2}, at: bond_3ad_state_machine_handler (./include/linux/rcupdate.h:779 drivers/net/bonding/bond_3ad.c:2470) | [ 27.977756][ T11] #3: ffffffffb8b53680 (rcu_read_lock){....}-{1:2}, at: bond_3ad_state_machine_handler (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 drivers/net/bonding/bond_3ad.c:2470) | [ 27.978036][ T11] | [ 27.978036][ T11] stack backtrace: [ 27.978507][ T11] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 27.978893][ T11] Workqueue: fbond bond_3ad_state_machine_handler [ 27.979093][ T11] Call Trace: [ 27.979190][ T11] [ 27.979268][ T11] dump_stack_lvl (lib/dump_stack.c:117) [ 27.979470][ T11] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6713) [ 27.979611][ T11] bond_slave_netdev_event (drivers/net/bonding/bond_main.c:3889 (discriminator 7)) [ 27.979739][ T11] ? ipmr_device_event (net/ipv4/ipmr.c:1754) [ 27.979873][ T11] notifier_call_chain (kernel/notifier.c:93 (discriminator 2)) [ 27.980010][ T11] call_netdevice_notifiers (net/core/dev.c:2045) [ 27.980205][ T11] ? __pfx_call_netdevice_notifiers (net/core/dev.c:2045) [ 27.980370][ T11] bond_3ad_state_machine_handler (drivers/net/bonding/bond_3ad.c:1383 drivers/net/bonding/bond_3ad.c:2507) [ 27.980538][ T11] ? __pfx_bond_3ad_state_machine_handler (drivers/net/bonding/bond_3ad.c:2455) [ 27.980828][ T11] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5719) [ 27.980989][ T11] ? trace_lock_acquire (./include/trace/events/lock.h:24) [ 27.981124][ T11] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) [ 27.981265][ T11] ? process_one_work (kernel/workqueue.c:3207) [ 27.981469][ T11] ? lock_acquire (kernel/locking/lockdep.c:5727) [ 27.981605][ T11] ? process_one_work (kernel/workqueue.c:3207) [ 27.981762][ T11] process_one_work (kernel/workqueue.c:3231) [ 27.981905][ T11] ? __pfx___lock_release (kernel/locking/lockdep.c:5406) [ 27.982034][ T11] ? __pfx_process_one_work (kernel/workqueue.c:3133) [ 27.982230][ T11] ? assign_work (kernel/workqueue.c:1200) [ 27.982365][ T11] worker_thread (kernel/workqueue.c:3306 kernel/workqueue.c:3393) [ 27.982504][ T11] ? __pfx_worker_thread (kernel/workqueue.c:3339) [ 27.982635][ T11] kthread (kernel/kthread.c:389) [ 27.982796][ T11] ? __pfx_kthread (kernel/kthread.c:342) [ 27.982929][ T11] ret_from_fork (arch/x86/kernel/process.c:147) [ 27.983062][ T11] ? __pfx_kthread (kernel/kthread.c:342) [ 27.983188][ T11] ret_from_fork_asm (arch/x86/entry/entry_64.S:257) | [ 28.090841][ T11] ------------[ cut here ]------------ | [ 28.091081][ T11] RTNL: assertion failed at net/ipv4/devinet.c (1561) | [ 28.091382][ T11] WARNING: CPU: 0 PID: 11 at net/ipv4/devinet.c:1561 inetdev_event (net/ipv4/devinet.c:1561 (discriminator 3)) | [ 28.091761][ T11] Modules linked in: [ 28.092272][ T11] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 28.092764][ T11] Workqueue: fbond bond_3ad_state_machine_handler [ 28.093055][ T11] RIP: 0010:inetdev_event (net/ipv4/devinet.c:1561 (discriminator 3)) [ 28.093281][ T11] Code: 83 e7 01 0f 85 65 fa ff ff c6 05 7c d8 17 02 01 90 ba 19 06 00 00 48 c7 c6 00 63 1a b8 48 c7 c7 40 63 1a b8 e8 d6 6b bf fd 90 <0f> 0b 90 90 e9 3b fa ff ff 4c 89 e7 e8 34 e0 ff ff 48 89 c3 48 3d All code ======== 0: 83 e7 01 and $0x1,%edi 3: 0f 85 65 fa ff ff jne 0xfffffffffffffa6e 9: c6 05 7c d8 17 02 01 movb $0x1,0x217d87c(%rip) # 0x217d88c 10: 90 nop 11: ba 19 06 00 00 mov $0x619,%edx 16: 48 c7 c6 00 63 1a b8 mov $0xffffffffb81a6300,%rsi 1d: 48 c7 c7 40 63 1a b8 mov $0xffffffffb81a6340,%rdi 24: e8 d6 6b bf fd call 0xfffffffffdbf6bff 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: 90 nop 2e: e9 3b fa ff ff jmp 0xfffffffffffffa6e 33: 4c 89 e7 mov %r12,%rdi 36: e8 34 e0 ff ff call 0xffffffffffffe06f 3b: 48 89 c3 mov %rax,%rbx 3e: 48 rex.W 3f: 3d .byte 0x3d Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: 90 nop 4: e9 3b fa ff ff jmp 0xfffffffffffffa44 9: 4c 89 e7 mov %r12,%rdi c: e8 34 e0 ff ff call 0xffffffffffffe045 11: 48 89 c3 mov %rax,%rbx 14: 48 rex.W 15: 3d .byte 0x3d [ 28.094042][ T11] RSP: 0018:ffffc900000bfaa0 EFLAGS: 00010286 [ 28.094323][ T11] RAX: 0000000000000000 RBX: 0000000000000029 RCX: 1ffffffff713b1d4 [ 28.094645][ T11] RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000001 [ 28.094958][ T11] RBP: ffffc900000bfae0 R08: 0000000000000000 R09: fffffbfff713b1d4 [ 28.095257][ T11] R10: 0000000000000003 R11: 205d313154202020 R12: ffff888006184000 [ 28.095563][ T11] R13: ffff888005526e00 R14: ffff888006184408 R15: 0000000000000000 [ 28.095881][ T11] FS: 0000000000000000(0000) GS:ffff888036000000(0000) knlGS:0000000000000000 [ 28.096261][ T11] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 28.096563][ T11] CR2: 000055f9d9881dec CR3: 00000000061ea005 CR4: 0000000000770ef0 [ 28.096890][ T11] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 28.097221][ T11] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 28.097561][ T11] PKRU: 55555554 [ 28.097720][ T11] Call Trace: [ 28.097882][ T11] [ 28.097992][ T11] ? inetdev_event (net/ipv4/devinet.c:1561 (discriminator 3)) [ 28.098206][ T11] ? __warn (kernel/panic.c:693) [ 28.098376][ T11] ? inetdev_event (net/ipv4/devinet.c:1561 (discriminator 3)) [ 28.098632][ T11] ? report_bug (lib/bug.c:201 lib/bug.c:219) [ 28.098861][ T11] ? handle_bug (arch/x86/kernel/traps.c:239) [ 28.099022][ T11] ? exc_invalid_op (arch/x86/kernel/traps.c:260 (discriminator 1)) [ 28.099248][ T11] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) [ 28.099476][ T11] ? inetdev_event (net/ipv4/devinet.c:1561 (discriminator 3)) [ 28.099726][ T11] ? notifier_call_chain (kernel/notifier.c:93 (discriminator 2)) [ 28.099938][ T11] notifier_call_chain (kernel/notifier.c:93 (discriminator 2)) [ 28.100166][ T11] call_netdevice_notifiers (net/core/dev.c:2045) [ 28.100388][ T11] ? __pfx_call_netdevice_notifiers (net/core/dev.c:2045) [ 28.100691][ T11] bond_3ad_state_machine_handler (drivers/net/bonding/bond_3ad.c:1383 drivers/net/bonding/bond_3ad.c:2507) [ 28.100981][ T11] ? __pfx_bond_3ad_state_machine_handler (drivers/net/bonding/bond_3ad.c:2455) [ 28.101238][ T11] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5719) [ 28.101474][ T11] ? trace_lock_acquire (./include/trace/events/lock.h:24) [ 28.101696][ T11] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) [ 28.101928][ T11] ? process_one_work (kernel/workqueue.c:3207) [ 28.102156][ T11] ? lock_acquire (kernel/locking/lockdep.c:5727) [ 28.102385][ T11] ? process_one_work (kernel/workqueue.c:3207) [ 28.102627][ T11] process_one_work (kernel/workqueue.c:3231) [ 28.102872][ T11] ? __pfx___lock_release (kernel/locking/lockdep.c:5406) [ 28.103080][ T11] ? __pfx_process_one_work (kernel/workqueue.c:3133) [ 28.103321][ T11] ? assign_work (kernel/workqueue.c:1200) [ 28.103559][ T11] worker_thread (kernel/workqueue.c:3306 kernel/workqueue.c:3393) [ 28.103801][ T11] ? __pfx_worker_thread (kernel/workqueue.c:3339) [ 28.104028][ T11] kthread (kernel/kthread.c:389) [ 28.104207][ T11] ? __pfx_kthread (kernel/kthread.c:342) [ 28.104417][ T11] ret_from_fork (arch/x86/kernel/process.c:147) [ 28.104654][ T11] ? __pfx_kthread (kernel/kthread.c:342) [ 28.104875][ T11] ret_from_fork_asm (arch/x86/entry/entry_64.S:257) | [ 30.397101][ T11] #0: ffff8880057b0548 ((wq_completion)fbond){+.+.}-{0:0}, at: process_one_work (kernel/workqueue.c:3206) | [ 30.397563][ T11] #1: ffffc900000bfda0 ((work_completion)(&(&bond->ad_work)->work)){+.+.}-{0:0}, at: process_one_work (kernel/workqueue.c:3207) | [ 30.398100][ T11] #2: ffff88800797ac58 (&bond->mode_lock){+...}-{2:2}, at: bond_3ad_state_machine_handler (./include/linux/rcupdate.h:779 drivers/net/bonding/bond_3ad.c:2470) | [ 30.398656][ T11] #3: ffffffffb8b53680 (rcu_read_lock){....}-{1:2}, at: bond_3ad_state_machine_handler (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 drivers/net/bonding/bond_3ad.c:2470) [ 30.399556][ T11] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 30.400076][ T11] Workqueue: fbond bond_3ad_state_machine_handler [ 30.400390][ T11] Call Trace: [ 30.400573][ T11] [ 30.400698][ T11] dump_stack_lvl (lib/dump_stack.c:117) [ 30.400932][ T11] __might_resched (kernel/sched/core.c:10197) [ 30.401176][ T11] kmem_cache_alloc_node_noprof (./include/linux/kernel.h:73 ./include/linux/sched/mm.h:337 ./include/linux/sched/mm.h:332 mm/slub.c:3891 mm/slub.c:3981 mm/slub.c:4044) [ 30.401456][ T11] ? __alloc_skb (net/core/skbuff.c:664) [ 30.401705][ T11] __alloc_skb (net/core/skbuff.c:664) [ 30.401949][ T11] ? __pfx___alloc_skb (net/core/skbuff.c:647) [ 30.402201][ T11] ? if_nlmsg_size (net/core/rtnetlink.c:1117) [ 30.402463][ T11] rtmsg_ifinfo_build_skb (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/core/rtnetlink.c:4064) [ 30.402705][ T11] rtnetlink_event (net/core/rtnetlink.c:4107 net/core/rtnetlink.c:4097 net/core/rtnetlink.c:6693) [ 30.402950][ T11] ? trace_notifier_run (./include/trace/events/notifier.h:59 (discriminator 52)) [ 30.403180][ T11] notifier_call_chain (kernel/notifier.c:93 (discriminator 2)) [ 30.403447][ T11] call_netdevice_notifiers (net/core/dev.c:2045) [ 30.403685][ T11] ? __pfx_call_netdevice_notifiers (net/core/dev.c:2045) [ 30.403992][ T11] bond_3ad_state_machine_handler (drivers/net/bonding/bond_3ad.c:1383 drivers/net/bonding/bond_3ad.c:2507) [ 30.404320][ T11] ? __pfx_bond_3ad_state_machine_handler (drivers/net/bonding/bond_3ad.c:2455) [ 30.404625][ T11] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5719) [ 30.404861][ T11] ? trace_lock_acquire (./include/trace/events/lock.h:24) [ 30.405092][ T11] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) [ 30.405327][ T11] ? process_one_work (kernel/workqueue.c:3207) [ 30.405568][ T11] ? lock_acquire (kernel/locking/lockdep.c:5727) [ 30.405805][ T11] ? process_one_work (kernel/workqueue.c:3207) [ 30.406065][ T11] process_one_work (kernel/workqueue.c:3231) [ 30.406329][ T11] ? __pfx___lock_release (kernel/locking/lockdep.c:5406) [ 30.406578][ T11] ? __pfx_process_one_work (kernel/workqueue.c:3133) [ 30.406848][ T11] ? assign_work (kernel/workqueue.c:1200) [ 30.407112][ T11] worker_thread (kernel/workqueue.c:3306 kernel/workqueue.c:3393) [ 30.407395][ T11] ? __pfx_worker_thread (kernel/workqueue.c:3339) [ 30.407646][ T11] kthread (kernel/kthread.c:389) [ 30.407845][ T11] ? __pfx_kthread (kernel/kthread.c:342) [ 30.408095][ T11] ret_from_fork (arch/x86/kernel/process.c:147) [ 30.408353][ T11] ? __pfx_kthread (kernel/kthread.c:342) Finger prints: lockdep_rcu_suspicious:veth_get_link_net:rtmsg_ifinfo_build_skb:rtnetlink_event:notifier_call_chain rtmsg_ifinfo_build_skb:rtnetlink_event:notifier_call_chain:call_netdevice_notifiers:bond_3ad_state_machine_handler __might_resched:kmem_cache_alloc_node_noprof:__alloc_skb:rtmsg_ifinfo_build_skb:rtnetlink_event lockdep_rcu_suspicious:inetdev_event:notifier_call_chain:call_netdevice_notifiers:bond_3ad_state_machine_handler inetdev_event:notifier_call_chain:call_netdevice_notifiers:bond_3ad_state_machine_handler:process_one_work lockdep_rcu_suspicious:fib_netdev_event:notifier_call_chain:call_netdevice_notifiers:bond_3ad_state_machine_handler call_netdevice_notifiers_info:call_netdevice_notifiers:bond_3ad_state_machine_handler:process_one_work:worker_thread lockdep_rcu_suspicious:bond_fill_slave_info:rtnl_link_fill:rtmsg_ifinfo_build_skb:rtnetlink_event lockdep_rcu_suspicious:bond_slave_netdev_event:notifier_call_chain:call_netdevice_notifiers:bond_3ad_state_machine_handler fib_rules_event:notifier_call_chain:call_netdevice_notifiers:bond_3ad_state_machine_handler:process_one_work netdev_master_upper_dev_get:rtnl_link_fill:rtmsg_ifinfo_build_skb:rtnetlink_event:notifier_call_chain