IPv6: ADDRCONF(NETDEV_UP): macvlan0: link is not ready
IPv6: ADDRCONF(NETDEV_UP): veth0_virt_wifi: link is not ready
IPv6: ADDRCONF(NETDEV_UP): veth0_virt_wifi: link is not ready
IPv6: ADDRCONF(NETDEV_UP): macvlan1: link is not ready
INFO: rcu_sched detected stalls on CPUs/tasks:
(detected by 0, t=10502 jiffies, g=1057, c=1056, q=8)
All QSes seen, last rcu_sched kthread activity 10499 (4294966145-4294955646), jiffies_till_next_fqs=1, root ->qsmask 0x0
syz-executor.0 R running task 27200 7481 7316 0x00000008
Call Trace:
sched_show_task kernel/sched/core.c:5168 [inline]
sched_show_task.cold+0x2f0/0x351 kernel/sched/core.c:5143
print_other_cpu_stall kernel/rcu/tree.c:1501 [inline]
check_cpu_stall kernel/rcu/tree.c:1616 [inline]
__rcu_pending kernel/rcu/tree.c:3390 [inline]
rcu_pending kernel/rcu/tree.c:3452 [inline]
rcu_check_callbacks.cold+0xcb1/0xd0a kernel/rcu/tree.c:2792
update_process_times+0x31/0x70 kernel/time/timer.c:1590
tick_sched_handle+0x85/0x160 kernel/time/tick-sched.c:161
tick_sched_timer+0x43/0x130 kernel/time/tick-sched.c:1219
__run_hrtimer kernel/time/hrtimer.c:1223 [inline]
__hrtimer_run_queues+0x270/0xbc0 kernel/time/hrtimer.c:1287
hrtimer_interrupt+0x1d8/0x5d0 kernel/time/hrtimer.c:1321
local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1075 [inline]
smp_apic_timer_interrupt+0x11c/0x5e0 arch/x86/kernel/apic/apic.c:1100
apic_timer_interrupt+0x96/0xa0 arch/x86/entry/entry_64.S:792
RIP: 0010:mrp_join_timer+0x7d/0x80 net/802/mrp.c:600
RSP: 0018:ffff8880aec07d48 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff10
RAX: 0000000000000000 RBX: ffff888058d70a90 RCX: 0000000000000000
RDX: 0000000000000100 RSI: ffff888057fcab88 RDI: 0000000000000001
RBP: ffff8880aec07df8 R08: ffff888057fca240 R09: ffff888057fcaba8
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000100
R13: ffff8880aec07dd0 R14: ffff8880aec239c0 R15: 0000000000000000
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+0x5b7/0x1520 kernel/time/timer.c:1649
__do_softirq+0x244/0x9a0 kernel/softirq.c:288
invoke_softirq kernel/softirq.c:368 [inline]
irq_exit+0x160/0x1b0 kernel/softirq.c:409
exiting_irq arch/x86/include/asm/apic.h:648 [inline]
smp_apic_timer_interrupt+0x146/0x5e0 arch/x86/kernel/apic/apic.c:1102
apic_timer_interrupt+0x96/0xa0 arch/x86/entry/entry_64.S:792
RIP: 0010:dev_cache_fw_image+0x2be/0x3c0 drivers/base/firmware_class.c:1627
RSP: 0018:ffff888057fdf750 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff10
RAX: ffff888057fdf790 RBX: dffffc0000000000 RCX: ffffc90006226000
RDX: 0000000000040000 RSI: ffffffff83ab8a45 RDI: 0000000000000001
RBP: ffff888057fdf7d8 R08: ffff888057fca240 R09: ffff888057fcab80
R10: 0000000000000000 R11: 0000000000000000 R12: ffff888057fdf790
R13: ffff888057fdf790 R14: ffff888057fdf790 R15: ffffffff88718340
dpm_for_each_dev drivers/base/power/main.c:1846 [inline]
dpm_for_each_dev+0x5c/0xb0 drivers/base/power/main.c:1837
device_cache_fw_images drivers/base/firmware_class.c:1688 [inline]
fw_pm_notify+0xd0/0x110 drivers/base/firmware_class.c:1739
notifier_call_chain+0x111/0x1b0 kernel/notifier.c:93
__blocking_notifier_call_chain kernel/notifier.c:317 [inline]
__blocking_notifier_call_chain+0x96/0xc0 kernel/notifier.c:304
__pm_notifier_call_chain+0x31/0x60 kernel/power/main.c:45
snapshot_open+0x210/0x400 kernel/power/user.c:77
misc_open+0x34f/0x480 drivers/char/misc.c:154
chrdev_open+0x207/0x590 fs/char_dev.c:423
do_dentry_open+0x73b/0xeb0 fs/open.c:777
vfs_open+0x105/0x220 fs/open.c:891
do_last fs/namei.c:3425 [inline]
path_openat+0x8bd/0x3f70 fs/namei.c:3566
INFO: rcu_preempt self-detected stall on CPU
do_filp_open+0x18e/0x250 fs/namei.c:3600
1-...: (1 GPs behind) idle=4da/140000000000002/0 softirq=13197/13198 fqs=32
(t=10500 jiffies g=1545 c=1544 q=927)
NMI backtrace for cpu 1
do_sys_open+0x2c5/0x430 fs/open.c:1084
SYSC_openat fs/open.c:1111 [inline]
SyS_openat+0x30/0x40 fs/open.c:1105
CPU: 1 PID: 7477 Comm: syz-executor.0 Not tainted 4.14.163-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292
Call Trace:
entry_SYSCALL_64_after_hwframe+0x42/0xb7
__dump_stack lib/dump_stack.c:17 [inline]
dump_stack+0x142/0x197 lib/dump_stack.c:58
RIP: 0033:0x45af49
nmi_cpu_backtrace.cold+0x57/0x94 lib/nmi_backtrace.c:101
RSP: 002b:00007fddad94ec78 EFLAGS: 00000246
ORIG_RAX: 0000000000000101
nmi_trigger_cpumask_backtrace+0x141/0x189 lib/nmi_backtrace.c:62
RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 000000000045af49
arch_trigger_cpumask_backtrace+0x14/0x20 arch/x86/kernel/apic/hw_nmi.c:38
RDX: 0000000000165200 RSI: 0000000020000000 RDI: ffffffffffffff9c
trigger_single_cpu_backtrace include/linux/nmi.h:158 [inline]
rcu_dump_cpu_stacks+0x186/0x1d2 kernel/rcu/tree.c:1396
RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000
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+0x43d/0xd0a kernel/rcu/tree.c:2792
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fddad94f6d4
R13: 00000000004c8df9 R14: 00000000004e1538 R15: 00000000ffffffff
rcu_sched kthread starved for 10534 jiffies! g1057 c1056 f0x2 RCU_GP_WAIT_FQS(3) ->state=0x0 ->cpu=1
update_process_times+0x31/0x70 kernel/time/timer.c:1590
rcu_sched R
tick_sched_handle+0x85/0x160 kernel/time/tick-sched.c:161
running task
tick_sched_timer+0x43/0x130 kernel/time/tick-sched.c:1219
29824 9 2 0x80000000
__run_hrtimer kernel/time/hrtimer.c:1223 [inline]
__hrtimer_run_queues+0x270/0xbc0 kernel/time/hrtimer.c:1287
Call Trace:
context_switch kernel/sched/core.c:2808 [inline]
__schedule+0x7b8/0x1cd0 kernel/sched/core.c:3384
hrtimer_interrupt+0x1d8/0x5d0 kernel/time/hrtimer.c:1321
local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1075 [inline]
smp_apic_timer_interrupt+0x11c/0x5e0 arch/x86/kernel/apic/apic.c:1100
schedule+0x92/0x1c0 kernel/sched/core.c:3428
apic_timer_interrupt+0x96/0xa0 arch/x86/entry/entry_64.S:792
schedule_timeout+0x43e/0xe10 kernel/time/timer.c:1746
RIP: 0010:dev_net include/linux/netdevice.h:2020 [inline]
RIP: 0010:ipv6_get_ifaddr+0x214/0x520 net/ipv6/addrconf.c:1917
RSP: 0018:ffff8880aed07bf0 EFLAGS: 00000246
ORIG_RAX: ffffffffffffff10
RAX: 1ffff11013b56ed8 RBX: dffffc0000000000 RCX: 0000000000000000
RDX: 1ffff110124791e8 RSI: ffffffff87049100 RDI: ffff8880923c8f40
rcu_gp_kthread+0xbf4/0x1ec0 kernel/rcu/tree.c:2255
RBP: ffff8880aed07c50 R08: 0000000000000000 R09: ffff88807063aa30
R10: ffff88807063aa10 R11: ffff88807063a140 R12: ffff888086eef500
kthread+0x319/0x430 kernel/kthread.c:232
R13: ffff8880aed07cf0 R14: ffff88805c220040 R15: ffff8880923c89c0
ndisc_send_rs+0x17f/0x670 net/ipv6/ndisc.c:646
addrconf_rs_timer+0x289/0x5a0 net/ipv6/addrconf.c:3757
ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:404
call_timer_fn+0x161/0x670 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+0x5b7/0x1520 kernel/time/timer.c:1649
__do_softirq+0x244/0x9a0 kernel/softirq.c:288
invoke_softirq kernel/softirq.c:368 [inline]
irq_exit+0x160/0x1b0 kernel/softirq.c:409
exiting_irq arch/x86/include/asm/apic.h:648 [inline]
smp_apic_timer_interrupt+0x146/0x5e0 arch/x86/kernel/apic/apic.c:1102
apic_timer_interrupt+0x96/0xa0 arch/x86/entry/entry_64.S:792
RIP: 0010:__write_once_size include/linux/compiler.h:210 [inline]
RIP: 0010:__sanitizer_cov_trace_pc+0x4e/0x60 kernel/kcov.c:90
RSP: 0018:ffff888057f1fb20 EFLAGS: 00000212 ORIG_RAX: ffffffffffffff10
RAX: 0000000000040000 RBX: ffffc90000c7b328 RCX: ffffc90005e24000
RDX: 0000000000000653 RSI: ffffffff8153c1a6 RDI: ffff8880a4bcfbc0
RBP: ffff888057f1fb20 R08: 00000000000051fa R09: ffffffff895959d0
R10: ffff88807063a9c0 R11: ffff88807063a140 R12: ffff8880a4bcfb58
R13: dffffc0000000000 R14: ffff888057f1fbe8 R15: ffff8880a4bcfb90
futex_wake+0x346/0x430 kernel/futex.c:1690
do_futex+0x290/0x19e0 kernel/futex.c:3907
SYSC_futex kernel/futex.c:3963 [inline]
SyS_futex+0x215/0x310 kernel/futex.c:3931
do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292
entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x45af49
RSP: 002b:00007fddad96fcf8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: ffffffffffffffda RBX: 000000000075bf28 RCX: 000000000045af49
RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 000000000075bf2c
RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000075bf2c
R13: 00007ffd2d4b801f R14: 00007fddad9709c0 R15: 000000000075bf2c
IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready
IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready