hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network
IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready
IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready
8021q: adding VLAN 0 to HW filter on device batadv0
INFO: rcu_sched detected stalls on CPUs/tasks:
	1-...: (10501 ticks this GP) idle=1b2/140000000000000/0 softirq=9860/9868 fqs=10 
	(detected by 0, t=10503 jiffies, g=294, c=293, q=12)
INFO: rcu_preempt self-detected stall on CPU
Sending NMI from CPU 0 to CPUs 1:
	1-...: (10499 ticks this GP) idle=1b2/140000000000001/0 softirq=9868/9868 fqs=8 
NMI backtrace for cpu 1
CPU: 1 PID: 7027 Comm: syz-executor.0 Not tainted 4.14.202-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
task: ffff8880ac7ba240 task.stack: ffff8880b1c60000
RIP: 0010:hlock_class kernel/locking/lockdep.c:148 [inline]
RIP: 0010:lookup_chain_cache_add kernel/locking/lockdep.c:2380 [inline]
RIP: 0010:validate_chain kernel/locking/lockdep.c:2435 [inline]
RIP: 0010:__lock_acquire+0xd17/0x4500 kernel/locking/lockdep.c:3491
RSP: 0018:ffff8880bab075f0 EFLAGS: 00000046
RAX: dffffc0000000000 RBX: 00000000ef0c66d8 RCX: ffff8880ac7baac8
RDX: ffff8880ac7bab88 RSI: ffff8880ac7bab68 RDI: ffff8880ac7bab89
RBP: ffff8880bab077c0 R08: ffff8880ac7bab88 R09: 0000000000000000
R10: 00000000000000a0 R11: ffff8880ac7ba240 R12: 00000000add3a998
R13: 00000000e348f329 R14: 9b527b33911c9cc1 R15: ffff8880ac7bab68
FS:  00007fe2a6d07700(0000) GS:ffff8880bab00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000758080 CR3: 00000000aca68000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 lock_acquire+0x173/0x400 kernel/locking/lockdep.c:3998
 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
 _raw_spin_lock_irqsave+0x99/0xd0 kernel/locking/spinlock.c:160
 serial8250_console_write+0x69f/0x860 drivers/tty/serial/8250/8250_port.c:3253
 univ8250_console_write+0x4e/0x70 drivers/tty/serial/8250/8250_core.c:596
 call_console_drivers kernel/printk/printk.c:1725 [inline]
 console_unlock+0x8c2/0xe30 kernel/printk/printk.c:2400
 vprintk_emit+0x1b4/0x4e0 kernel/printk/printk.c:1923
 vprintk_default+0x1a/0x20 kernel/printk/printk.c:1963
 vprintk_func+0x49/0x12c kernel/printk/printk_safe.c:401
 printk+0x91/0xab kernel/printk/printk.c:1996
 print_cpu_stall_info+0x3ce/0x850 kernel/rcu/tree_plugin.h:1700
 print_cpu_stall kernel/rcu/tree.c:1531 [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.77+0x56/0xcfa kernel/rcu/tree.c:2792
 update_process_times+0x28/0x90 kernel/time/timer.c:1591
 tick_sched_handle+0x7b/0x140 kernel/time/tick-sched.c:165
 tick_sched_timer+0x34/0xf0 kernel/time/tick-sched.c:1223
 __run_hrtimer kernel/time/hrtimer.c:1223 [inline]
 __hrtimer_run_queues+0x297/0xaf0 kernel/time/hrtimer.c:1287
 hrtimer_interrupt+0x1ae/0x600 kernel/time/hrtimer.c:1321
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1075 [inline]
 smp_apic_timer_interrupt+0x11f/0x5d0 arch/x86/kernel/apic/apic.c:1100
 apic_timer_interrupt+0x9a/0xa0 arch/x86/entry/entry_64.S:793
 </IRQ>
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:779 [inline]
RIP: 0010:lock_is_held_type+0x18b/0x210 kernel/locking/lockdep.c:4038
RSP: 0018:ffff8880b1c67388 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff10
RAX: dffffc0000000000 RBX: 0000000000000286 RCX: 0000000000000000
RDX: 1ffffffff0ee2c39 RSI: ffffffff877907e0 RDI: 0000000000000286
RBP: ffff8880b1c673a8 R08: 0000000000000000 R09: 0000000000000000
R10: ffff8880b1c672e8 R11: 0000000000000040 R12: ffff8880ac7ba240
R13: 0000000000000000 R14: dffffc0000000000 R15: ffff888235c42400
 lock_is_held include/linux/lockdep.h:437 [inline]
 rcu_read_lock_sched_held+0x108/0x120 kernel/rcu/update.c:116
 trace_ext4_journal_start include/trace/events/ext4.h:1746 [inline]
 __ext4_journal_start_sb+0x2d4/0x3b0 fs/ext4/ext4_jbd2.c:73
 __ext4_journal_start fs/ext4/ext4_jbd2.h:314 [inline]
 ext4_da_write_begin+0x3ec/0xb20 fs/ext4/inode.c:3086
 generic_perform_write+0x271/0x450 mm/filemap.c:3055
 __generic_file_write_iter+0x201/0x580 mm/filemap.c:3180
 ext4_file_write_iter+0x27a/0xe40 fs/ext4/file.c:270
 call_write_iter include/linux/fs.h:1778 [inline]
 do_iter_readv_writev+0x460/0x900 fs/read_write.c:675
 do_iter_write+0x12b/0x520 fs/read_write.c:954
 vfs_iter_write+0x5b/0xb0 fs/read_write.c:967
 iter_file_splice_write+0x540/0xc20 fs/splice.c:749
 do_splice_from fs/splice.c:851 [inline]
 direct_splice_actor+0x104/0x1c0 fs/splice.c:1018
 splice_direct_to_actor+0x27c/0x750 fs/splice.c:973
 do_splice_direct+0x144/0x250 fs/splice.c:1061
 do_sendfile+0x463/0xd00 fs/read_write.c:1441
 SYSC_sendfile64 fs/read_write.c:1496 [inline]
 SyS_sendfile64+0x97/0x110 fs/read_write.c:1488
 do_syscall_64+0x1c7/0x5b0 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x459599
RSP: 002b:00007fe2a6d06c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000028
RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000000459599
RDX: 0000000020000000 RSI: 0000000000000003 RDI: 0000000000000003
RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
R10: 00008080fffffffe R11: 0000000000000246 R12: 00007fe2a6d076d4
R13: 00000000004c6b70 R14: 00000000004dbde8 R15: 00000000ffffffff
Code: 00 00 e8 3d da ff ff 4c 8b 9c 24 98 00 00 00 85 c0 0f 85 89 f9 ff ff e9 6c f4 ff ff 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 78 <48> c1 ea 03 0f b6 04 02 84 c0 74 18 3c 01 7f 14 48 8b 7c 24 78 
rcu_sched kthread starved for 10483 jiffies! g294 c293 f0x0 RCU_GP_WAIT_FQS(3) ->state=0x0 ->cpu=0
	 (t=10500 jiffies g=994 c=993 q=421)
rcu_sched       R
rcu_preempt kthread starved for 10483 jiffies! g994 c993 f0x0 RCU_GP_WAIT_FQS(3) ->state=0x0 ->cpu=0
  running task    29832     9      2 0x80000000
rcu_preempt     R
Call Trace:
  running task    29832     8      2 0x80000000
 context_switch kernel/sched/core.c:2808 [inline]
 __schedule+0x780/0x1d20 kernel/sched/core.c:3384
Call Trace:
 context_switch kernel/sched/core.c:2808 [inline]
 __schedule+0x780/0x1d20 kernel/sched/core.c:3384
 schedule+0x7f/0x1b0 kernel/sched/core.c:3428
 schedule+0x7f/0x1b0 kernel/sched/core.c:3428
 schedule_timeout+0x40c/0xcc0 kernel/time/timer.c:1754
 schedule_timeout+0x40c/0xcc0 kernel/time/timer.c:1754
 rcu_gp_kthread+0xbbf/0x1e00 kernel/rcu/tree.c:2255
 rcu_gp_kthread+0xbbf/0x1e00 kernel/rcu/tree.c:2255
 kthread+0x338/0x400 kernel/kthread.c:232
 kthread+0x338/0x400 kernel/kthread.c:232
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:404
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:404
NMI backtrace for cpu 1
CPU: 1 PID: 7027 Comm: syz-executor.0 Not tainted 4.14.202-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 <IRQ>
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0xf7/0x13b lib/dump_stack.c:58
 nmi_cpu_backtrace.cold.4+0x3e/0x76 lib/nmi_backtrace.c:101
 nmi_trigger_cpumask_backtrace+0xe6/0x11a lib/nmi_backtrace.c:62
 arch_trigger_cpumask_backtrace+0x14/0x20 arch/x86/kernel/apic/hw_nmi.c:38
 trigger_single_cpu_backtrace include/linux/nmi.h:158 [inline]
 rcu_dump_cpu_stacks+0x172/0x1bf 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.77+0x415/0xcfa kernel/rcu/tree.c:2792
 update_process_times+0x28/0x90 kernel/time/timer.c:1591
 tick_sched_handle+0x7b/0x140 kernel/time/tick-sched.c:165
 tick_sched_timer+0x34/0xf0 kernel/time/tick-sched.c:1223
 __run_hrtimer kernel/time/hrtimer.c:1223 [inline]
 __hrtimer_run_queues+0x297/0xaf0 kernel/time/hrtimer.c:1287
 hrtimer_interrupt+0x1ae/0x600 kernel/time/hrtimer.c:1321
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1075 [inline]
 smp_apic_timer_interrupt+0x11f/0x5d0 arch/x86/kernel/apic/apic.c:1100
 apic_timer_interrupt+0x9a/0xa0 arch/x86/entry/entry_64.S:793
 </IRQ>
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:779 [inline]
RIP: 0010:lock_is_held_type+0x18b/0x210 kernel/locking/lockdep.c:4038
RSP: 0018:ffff8880b1c67388 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff10
RAX: dffffc0000000000 RBX: 0000000000000286 RCX: 0000000000000000
RDX: 1ffffffff0ee2c39 RSI: ffffffff877907e0 RDI: 0000000000000286
RBP: ffff8880b1c673a8 R08: 0000000000000000 R09: 0000000000000000
R10: ffff8880b1c672e8 R11: 0000000000000040 R12: ffff8880ac7ba240
R13: 0000000000000000 R14: dffffc0000000000 R15: ffff888235c42400
 lock_is_held include/linux/lockdep.h:437 [inline]
 rcu_read_lock_sched_held+0x108/0x120 kernel/rcu/update.c:116
 trace_ext4_journal_start include/trace/events/ext4.h:1746 [inline]
 __ext4_journal_start_sb+0x2d4/0x3b0 fs/ext4/ext4_jbd2.c:73
 __ext4_journal_start fs/ext4/ext4_jbd2.h:314 [inline]
 ext4_da_write_begin+0x3ec/0xb20 fs/ext4/inode.c:3086
 generic_perform_write+0x271/0x450 mm/filemap.c:3055
 __generic_file_write_iter+0x201/0x580 mm/filemap.c:3180
 ext4_file_write_iter+0x27a/0xe40 fs/ext4/file.c:270
 call_write_iter include/linux/fs.h:1778 [inline]
 do_iter_readv_writev+0x460/0x900 fs/read_write.c:675
 do_iter_write+0x12b/0x520 fs/read_write.c:954
 vfs_iter_write+0x5b/0xb0 fs/read_write.c:967
 iter_file_splice_write+0x540/0xc20 fs/splice.c:749
 do_splice_from fs/splice.c:851 [inline]
 direct_splice_actor+0x104/0x1c0 fs/splice.c:1018
 splice_direct_to_actor+0x27c/0x750 fs/splice.c:973
 do_splice_direct+0x144/0x250 fs/splice.c:1061
 do_sendfile+0x463/0xd00 fs/read_write.c:1441
 SYSC_sendfile64 fs/read_write.c:1496 [inline]
 SyS_sendfile64+0x97/0x110 fs/read_write.c:1488
 do_syscall_64+0x1c7/0x5b0 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x459599
RSP: 002b:00007fe2a6d06c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000028
RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000000459599
RDX: 0000000020000000 RSI: 0000000000000003 RDI: 0000000000000003
RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
R10: 00008080fffffffe R11: 0000000000000246 R12: 00007fe2a6d076d4
R13: 00000000004c6b70 R14: 00000000004dbde8 R15: 00000000ffffffff