IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready
8021q: adding VLAN 0 to HW filter on device team0
IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready
8021q: adding VLAN 0 to HW filter on device batadv0
INFO: rcu_sched self-detected stall on CPU
0-...: (10499 ticks this GP) idle=212/140000000000001/0 softirq=8057/8059 fqs=1
(t=10501 jiffies g=294 c=293 q=5)
rcu_sched kthread starved for 10499 jiffies! g294 c293 f0x0 RCU_GP_WAIT_FQS(3) ->state=0x0 ->cpu=0
INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu_sched R
running task 29832 9 2 0x80000000
(detected by 1, t=10502 jiffies, g=972, c=971, q=539)
Call Trace:
All QSes seen, last rcu_preempt kthread activity 10500 (4294952081-4294941581), jiffies_till_next_fqs=1, root ->qsmask 0x0
syz-executor.5 R
context_switch kernel/sched/core.c:2808 [inline]
__schedule+0x780/0x1d20 kernel/sched/core.c:3384
running task 27000 7019 6127 0x00000000
Call Trace:
sched_show_task.cold.89+0x2e1/0x342 kernel/sched/core.c:5169
schedule+0x7f/0x1b0 kernel/sched/core.c:3428
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.77+0xc96/0xcfa kernel/rcu/tree.c:2792
schedule_timeout+0x40c/0xcc0 kernel/time/timer.c:1747
update_process_times+0x2a/0x60 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
rcu_gp_kthread+0xbbf/0x1e00 kernel/rcu/tree.c:2255
kthread+0x338/0x400 kernel/kthread.c:232
hrtimer_interrupt+0x1ae/0x600 kernel/time/hrtimer.c:1321
ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:404
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
NMI backtrace for cpu 0
apic_timer_interrupt+0x9a/0xa0 arch/x86/entry/entry_64.S:793
RIP: 0010:preempt_count_add+0x6b/0x1a0 kernel/sched/core.c:3107
RSP: 0018:ffff888095767438 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff10
RAX: dffffc0000000000 RBX: 0000000000000003 RCX: 0000000000000000
RDX: 1ffffffff126fed8 RSI: ffffffff86bcf1e0 RDI: 0000000000000001
RBP: ffff888095767448 R08: 000000000000001c R09: ffffea0001e68b40
R10: 0000000000000001 R11: dffffc0000000000 R12: 0000000000000001
R13: ffff88808d719440 R14: ffff88808d719230 R15: ffff8880b2d782c0
rcu_lockdep_current_cpu_online+0x37/0x140 kernel/rcu/tree.c:1185
rcu_read_lock_sched_held+0x96/0x120 kernel/rcu/update.c:113
trace_ext4_da_write_end include/trace/events/ext4.h:382 [inline]
ext4_da_write_end+0x675/0xa20 fs/ext4/inode.c:3172
CPU: 0 PID: 7012 Comm: syz-executor.3 Not tainted 4.14.209-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
generic_perform_write+0x318/0x450 mm/filemap.c:3066
Call Trace:
__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
__generic_file_write_iter+0x201/0x580 mm/filemap.c:3180
arch_trigger_cpumask_backtrace+0x14/0x20 arch/x86/kernel/apic/hw_nmi.c:38
ext4_file_write_iter+0x27a/0xe40 fs/ext4/file.c:270
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+0x2a/0x60 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
call_write_iter include/linux/fs.h:1778 [inline]
do_iter_readv_writev+0x460/0x900 fs/read_write.c:675
__run_hrtimer kernel/time/hrtimer.c:1223 [inline]
__hrtimer_run_queues+0x297/0xaf0 kernel/time/hrtimer.c:1287
do_iter_write+0x12b/0x520 fs/read_write.c:954
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
vfs_iter_write+0x5b/0xb0 fs/read_write.c:967
apic_timer_interrupt+0x9a/0xa0 arch/x86/entry/entry_64.S:793
iter_file_splice_write+0x540/0xc20 fs/splice.c:749
RIP: 0010:memcmp+0x91/0x160 lib/string.c:885
RSP: 0018:ffff8880b45175e0 EFLAGS: 00000202 ORIG_RAX: ffffffffffffff10
do_splice_from fs/splice.c:851 [inline]
direct_splice_actor+0x104/0x1c0 fs/splice.c:1018
RAX: 0000000000000000 RBX: ffff8880b45176b2 RCX: 0000000000000002
splice_direct_to_actor+0x27c/0x750 fs/splice.c:973
RDX: ffff8880b45176f0 RSI: ffff888094048872 RDI: 0000000000000001
RBP: ffff8880b4517608 R08: ffff8880b4517688 R09: 00000000ea68f5ef
R10: 0000000000000002 R11: 000000001fd98007 R12: dffffc0000000000
R13: 0000000000000068 R14: ffff888094048830 R15: 0000000000004171
find_stack lib/stackdepot.c:180 [inline]
depot_save_stack+0x122/0x43a lib/stackdepot.c:229
save_stack+0xa9/0xd0 mm/kasan/kasan.c:453
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:00007f9b2d79cc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000028
RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000000459599
set_track mm/kasan/kasan.c:459 [inline]
kasan_kmalloc+0xc7/0xe0 mm/kasan/kasan.c:551
RDX: 0000000020000000 RSI: 0000000000000003 RDI: 0000000000000003
kasan_slab_alloc+0x12/0x20 mm/kasan/kasan.c:489
RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
R10: 00008080fffffffe R11: 0000000000000246 R12: 00007f9b2d79d6d4
slab_post_alloc_hook mm/slab.h:442 [inline]
slab_alloc mm/slab.c:3390 [inline]
__do_kmalloc mm/slab.c:3718 [inline]
__kmalloc+0x144/0x7b0 mm/slab.c:3729
R13: 00000000004c6b70 R14: 00000000004dbde8 R15: 00000000ffffffff
rcu_preempt kthread starved for 10500 jiffies! g972 c971 f0x2 RCU_GP_WAIT_FQS(3) ->state=0x0 ->cpu=0
kmalloc_array include/linux/slab.h:607 [inline]
kcalloc include/linux/slab.h:618 [inline]
iter_file_splice_write+0x126/0xc20 fs/splice.c:692
rcu_preempt R
running task 29720 8 2 0x80000000
Call Trace:
context_switch kernel/sched/core.c:2808 [inline]
__schedule+0x780/0x1d20 kernel/sched/core.c:3384
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
schedule+0x7f/0x1b0 kernel/sched/core.c:3428
schedule_timeout+0x40c/0xcc0 kernel/time/timer.c:1747
do_splice_direct+0x144/0x250 fs/splice.c:1061
rcu_gp_kthread+0xbbf/0x1e00 kernel/rcu/tree.c:2255
kthread+0x338/0x400 kernel/kthread.c:232
do_sendfile+0x463/0xd00 fs/read_write.c:1441
ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:404
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:00007f9717c0ac78 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: 00007f9717c0b6d4
R13: 00000000004c6b70 R14: 00000000004dbde8 R15: 00000000ffffffff