8021q: adding VLAN 0 to HW filter on device ipvlan2
IPv6: ADDRCONF(NETDEV_UP): veth1_macvtap: link is not ready
IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready
IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
INFO: rcu_preempt self-detected stall on CPU
1-...: (1 GPs behind) idle=e42/140000000000002/0 softirq=12522/12523 fqs=9
(t=10500 jiffies g=1766 c=1765 q=842)
rcu_preempt kthread starved for 10452 jiffies! g1766 c1765 f0x0 RCU_GP_WAIT_FQS(3) ->state=0x0 ->cpu=0
rcu_preempt R running task 29984 8 2 0x80000000
Call Trace:
schedule+0x8d/0x1b0 kernel/sched/core.c:3428
schedule_timeout+0x43c/0xe40 kernel/time/timer.c:1746
rcu_gp_kthread+0xb8e/0x1ce0 kernel/rcu/tree.c:2255
kthread+0x30d/0x420 kernel/kthread.c:232
ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:404
NMI backtrace for cpu 1
CPU: 1 PID: 7678 Comm: syz-executor.0 Not tainted 4.14.173-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:17 [inline]
dump_stack+0x13e/0x194 lib/dump_stack.c:58
nmi_cpu_backtrace.cold+0x57/0x93 lib/nmi_backtrace.c:101
nmi_trigger_cpumask_backtrace+0x139/0x17e lib/nmi_backtrace.c:62
trigger_single_cpu_backtrace include/linux/nmi.h:158 [inline]
rcu_dump_cpu_stacks+0x16d/0x1b8 kernel/rcu/tree.c:1396
print_cpu_stall kernel/rcu/tree.c:1542 [inline]
check_cpu_stall kernel/rcu/tree.c:1610 [inline]
__rcu_pending kernel/rcu/tree.c:3390 [inline]
rcu_pending kernel/rcu/tree.c:3452 [inline]
rcu_check_callbacks.cold+0x490/0xdaa kernel/rcu/tree.c:2792
update_process_times+0x29/0x60 kernel/time/timer.c:1590
tick_sched_handle+0x7d/0x150 kernel/time/tick-sched.c:165
tick_sched_timer+0x3e/0x120 kernel/time/tick-sched.c:1223
__run_hrtimer kernel/time/hrtimer.c:1223 [inline]
__hrtimer_run_queues+0x25c/0xbb0 kernel/time/hrtimer.c:1287
hrtimer_interrupt+0x1e6/0x5e0 kernel/time/hrtimer.c:1321
local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1075 [inline]
smp_apic_timer_interrupt+0x117/0x5e0 arch/x86/kernel/apic/apic.c:1100
apic_timer_interrupt+0x8f/0xa0 arch/x86/entry/entry_64.S:792
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:779 [inline]
RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:160 [inline]
RIP: 0010:_raw_spin_unlock_irqrestore+0x91/0xe0 kernel/locking/spinlock.c:192
RSP: 0018:ffff8880aeb07668 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff10
RAX: 1ffffffff0fa2cd1 RBX: 0000000000000282 RCX: 1ffff1100bcf920a
RDX: dffffc0000000000 RSI: ffff88805e7c9030 RDI: 0000000000000282
RBP: ffffffff8a7080c8 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffff88808ea79bd0
R13: dffffc0000000000 R14: 1ffff11015d60ed6 R15: ffffffff8a7080c8
debug_object_active_state lib/debugobjects.c:711 [inline]
debug_object_active_state+0x23c/0x370 lib/debugobjects.c:675
debug_rcu_head_queue kernel/rcu/rcu.h:153 [inline]
__call_rcu.constprop.0+0x4a/0x7e0 kernel/rcu/tree.c:3050
neigh_destroy+0x377/0x4c0 net/core/neighbour.c:762
neigh_release include/net/neighbour.h:416 [inline]
neigh_cleanup_and_release+0x9e/0xc0 net/core/neighbour.c:108
neigh_del+0x161/0x1f0 net/core/neighbour.c:141
neigh_forced_gc net/core/neighbour.c:190 [inline]
neigh_alloc net/core/neighbour.c:315 [inline]
__neigh_create+0xc51/0x1980 net/core/neighbour.c:499
ip6_finish_output2+0xa8e/0x2150 net/ipv6/ip6_output.c:117
ip6_finish_output+0x4d9/0xaf0 net/ipv6/ip6_output.c:154
NF_HOOK_COND include/linux/netfilter.h:239 [inline]
ip6_output+0x1c9/0x650 net/ipv6/ip6_output.c:171
dst_output include/net/dst.h:462 [inline]
NF_HOOK include/linux/netfilter.h:250 [inline]
ndisc_send_skb+0xb56/0x11e0 net/ipv6/ndisc.c:483
ndisc_send_rs+0x125/0x630 net/ipv6/ndisc.c:677
addrconf_rs_timer+0x289/0x5a0 net/ipv6/addrconf.c:3757
call_timer_fn+0x14a/0x650 kernel/time/timer.c:1279
expire_timers kernel/time/timer.c:1318 [inline]
__run_timers kernel/time/timer.c:1636 [inline]
__run_timers kernel/time/timer.c:1604 [inline]
run_timer_softirq+0x52a/0x1390 kernel/time/timer.c:1649
__do_softirq+0x254/0x9bf kernel/softirq.c:288
invoke_softirq kernel/softirq.c:368 [inline]
irq_exit+0x15b/0x1a0 kernel/softirq.c:409
exiting_irq arch/x86/include/asm/apic.h:648 [inline]
smp_apic_timer_interrupt+0x141/0x5e0 arch/x86/kernel/apic/apic.c:1102
apic_timer_interrupt+0x8f/0xa0 arch/x86/entry/entry_64.S:792
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:779 [inline]
RIP: 0010:lock_acquire+0x1ec/0x3f0 kernel/locking/lockdep.c:3997
RSP: 0018:ffff88805e7d7bc8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff10
RAX: 1ffffffff0fa2cd1 RBX: ffff88805e7c86c0 RCX: 000000008b530ca9
RDX: dffffc0000000000 RSI: ffff88805e7c8f90 RDI: 0000000000000282
RBP: ffff888084cdfa80 R08: 0000000000000001 R09: 000000000004854f
R10: ffff88805e7c8f90 R11: ffff88805e7c86c0 R12: 0000000000000000
R13: 0000000000000001 R14: 0000000000000001 R15: 0000000000000000
__raw_spin_trylock include/linux/spinlock_api_smp.h:90 [inline]
_raw_spin_trylock+0x60/0x70 kernel/locking/spinlock.c:136
spin_trylock include/linux/spinlock.h:327 [inline]
dentry_kill fs/dcache.c:620 [inline]
dput.part.0+0x465/0x710 fs/dcache.c:847
dput fs/dcache.c:811 [inline]
do_one_tree+0x3f/0x50 fs/dcache.c:1507
shrink_dcache_for_umount+0x5d/0x130 fs/dcache.c:1521
generic_shutdown_super+0x68/0x370 fs/super.c:431
kill_anon_super+0x38/0x50 fs/super.c:1006
kernfs_kill_sb+0x14e/0x1b0 fs/kernfs/mount.c:372
deactivate_locked_super+0x6c/0xd0 fs/super.c:319
mount_fs+0x23a/0x2a0 fs/super.c:1273
vfs_kern_mount.part.0+0x5b/0x3c0 fs/namespace.c:1046
vfs_kern_mount fs/namespace.c:1036 [inline]
do_new_mount fs/namespace.c:2549 [inline]
do_mount+0x3c9/0x24f0 fs/namespace.c:2879
SYSC_mount fs/namespace.c:3095 [inline]
SyS_mount+0xa8/0x120 fs/namespace.c:3072
do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x45c849
RSP: 002b:00007fb1a1645c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007fb1a16466d4 RCX: 000000000045c849
RDX: 0000000020000440 RSI: 0000000020000080 RDI: 0000000000000000
RBP: 000000000076bf00 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
R13: 000000000000074a R14: 00000000004ca131 R15: 000000000076bf0c
INFO: rcu_sched detected stalls on CPUs/tasks:
1-...: (1 GPs behind) idle=e42/140000000000002/0 softirq=12519/12523 fqs=9
(detected by 0, t=10561 jiffies, g=1180, c=1179, q=19)
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 7678 Comm: syz-executor.0 Not tainted 4.14.173-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
task: ffff88805e7c86c0 task.stack: ffff88805e7d0000
RIP: 0010:irqtime_account_delta kernel/sched/cputime.c:44 [inline]
RIP: 0010:irqtime_account_irq+0x137/0x280 kernel/sched/cputime.c:75
RSP: 0018:ffff8880aeb076a8 EFLAGS: 00000046
RAX: dffffc0000000000 RBX: ffff8880aeb1f5f0 RCX: 1ffffffff0f417ad
RDX: 1ffff11015d63ebe RSI: ffffffff86e45700 RDI: ffff8880aeb1f578
RBP: ffff8880aeb1f560 R08: 000000372eda93c9 R09: ffff88821fff7048
R10: ffff88821fff7050 R11: 0000000000000001 R12: 00000000000003c1
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
FS: 00007fb1a1646700(0000) GS:ffff8880aeb00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b3072f000 CR3: 00000000a606f000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
account_irq_enter_time include/linux/vtime.h:108 [inline]
irq_enter+0x62/0xd0 kernel/softirq.c:353
ipi_entering_ack_irq arch/x86/include/asm/apic.h:641 [inline]
smp_irq_work_interrupt+0x9/0x4e0 arch/x86/kernel/irq_work.c:18
irq_work_interrupt+0x8f/0xa0 arch/x86/entry/entry_64.S:823
RIP: 0010:should_resched arch/x86/include/asm/preempt.h:99 [inline]
RIP: 0010:__local_bh_enable_ip+0xc4/0x190 kernel/softirq.c:192
RSP: 0018:ffff8880aeb077b0 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff09
RAX: 1ffffffff0fa2cd3 RBX: 0000000000000201 RCX: 1ffff1100bcf920a
RDX: dffffc0000000000 RSI: ffff88805e7c9030 RDI: ffff88805e7c8f3c
RBP: ffffffff850146ee R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffff888062f76d00
R13: ffff88809e99b2a8 R14: ffff88809e99b268 R15: ffff88809e99b2a8
neigh_destroy+0x23e/0x4c0 net/core/neighbour.c:750
neigh_release include/net/neighbour.h:416 [inline]
neigh_cleanup_and_release+0x9e/0xc0 net/core/neighbour.c:108
neigh_del+0x161/0x1f0 net/core/neighbour.c:141
neigh_forced_gc net/core/neighbour.c:190 [inline]
neigh_alloc net/core/neighbour.c:315 [inline]
__neigh_create+0xc51/0x1980 net/core/neighbour.c:499
ip6_finish_output2+0xa8e/0x2150 net/ipv6/ip6_output.c:117
ip6_finish_output+0x4d9/0xaf0 net/ipv6/ip6_output.c:154
NF_HOOK_COND include/linux/netfilter.h:239 [inline]
ip6_output+0x1c9/0x650 net/ipv6/ip6_output.c:171
dst_output include/net/dst.h:462 [inline]
NF_HOOK include/linux/netfilter.h:250 [inline]
ndisc_send_skb+0xb56/0x11e0 net/ipv6/ndisc.c:483
ndisc_send_rs+0x125/0x630 net/ipv6/ndisc.c:677
addrconf_rs_timer+0x289/0x5a0 net/ipv6/addrconf.c:3757
call_timer_fn+0x14a/0x650 kernel/time/timer.c:1279
expire_timers kernel/time/timer.c:1318 [inline]
__run_timers kernel/time/timer.c:1636 [inline]
__run_timers kernel/time/timer.c:1604 [inline]
run_timer_softirq+0x52a/0x1390 kernel/time/timer.c:1649
__do_softirq+0x254/0x9bf kernel/softirq.c:288
invoke_softirq kernel/softirq.c:368 [inline]
irq_exit+0x15b/0x1a0 kernel/softirq.c:409
exiting_irq arch/x86/include/asm/apic.h:648 [inline]
smp_apic_timer_interrupt+0x141/0x5e0 arch/x86/kernel/apic/apic.c:1102
apic_timer_interrupt+0x8f/0xa0 arch/x86/entry/entry_64.S:792
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:779 [inline]
RIP: 0010:lock_acquire+0x1ec/0x3f0 kernel/locking/lockdep.c:3997
RSP: 0018:ffff88805e7d7bc8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff10
RAX: 1ffffffff0fa2cd1 RBX: ffff88805e7c86c0 RCX: 000000008b530ca9
RDX: dffffc0000000000 RSI: ffff88805e7c8f90 RDI: 0000000000000282
RBP: ffff888084cdfa80 R08: 0000000000000001 R09: 000000000004854f
R10: ffff88805e7c8f90 R11: ffff88805e7c86c0 R12: 0000000000000000
R13: 0000000000000001 R14: 0000000000000001 R15: 0000000000000000
__raw_spin_trylock include/linux/spinlock_api_smp.h:90 [inline]
_raw_spin_trylock+0x60/0x70 kernel/locking/spinlock.c:136
spin_trylock include/linux/spinlock.h:327 [inline]
dentry_kill fs/dcache.c:620 [inline]
dput.part.0+0x465/0x710 fs/dcache.c:847
dput fs/dcache.c:811 [inline]
do_one_tree+0x3f/0x50 fs/dcache.c:1507
shrink_dcache_for_umount+0x5d/0x130 fs/dcache.c:1521
generic_shutdown_super+0x68/0x370 fs/super.c:431
kill_anon_super+0x38/0x50 fs/super.c:1006
kernfs_kill_sb+0x14e/0x1b0 fs/kernfs/mount.c:372
deactivate_locked_super+0x6c/0xd0 fs/super.c:319
mount_fs+0x23a/0x2a0 fs/super.c:1273
vfs_kern_mount.part.0+0x5b/0x3c0 fs/namespace.c:1046
vfs_kern_mount fs/namespace.c:1036 [inline]
do_new_mount fs/namespace.c:2549 [inline]
do_mount+0x3c9/0x24f0 fs/namespace.c:2879
SYSC_mount fs/namespace.c:3095 [inline]
SyS_mount+0xa8/0x120 fs/namespace.c:3072
do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x45c849
RSP: 002b:00007fb1a1645c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007fb1a16466d4 RCX: 000000000045c849
RDX: 0000000020000440 RSI: 0000000020000080 RDI: 0000000000000000
RBP: 000000000076bf00 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
R13: 000000000000074a R14: 00000000004ca131 R15: 000000000076bf0c
Code: ea 03 80 3c 02 00 0f 85 30 01 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 da 4c 01 65 18 48 c1 ea 03 80 3c 02 00 0f 85 37 01 00 00 <4c> 01 23 48 8d 7b 08 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48
rcu_sched kthread starved for 10514 jiffies! g1180 c1179 f0x0 RCU_GP_WAIT_FQS(3) ->state=0x0 ->cpu=0
rcu_sched R running task 29984 9 2 0x80000000
Call Trace:
schedule+0x8d/0x1b0 kernel/sched/core.c:3428
schedule_timeout+0x43c/0xe40 kernel/time/timer.c:1746
rcu_gp_kthread+0xb8e/0x1ce0 kernel/rcu/tree.c:2255
kthread+0x30d/0x420 kernel/kthread.c:232
ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:404