batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1
batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
IPv6: ADDRCONF(NETDEV_UP): batadv_slave_1: link is not ready
batman_adv: batadv0: Interface activated: batadv_slave_1
INFO: rcu_preempt self-detected stall on CPU
0-...: (1 GPs behind) idle=856/140000000000002/0 softirq=24358/24360 fqs=34
(t=10500 jiffies g=1817 c=1816 q=1590)
rcu_preempt kthread starved for 10421 jiffies! g1817 c1816 f0x0 RCU_GP_WAIT_FQS(3) ->state=0x0 ->cpu=1
rcu_preempt R running task 29920 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 0
CPU: 0 PID: 7714 Comm: syz-executor428 Not tainted 4.14.174-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:neigh_fill_info+0x21d/0xce0 net/core/neighbour.c:2231
RSP: 0018:ffff8880aea076c8 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff10
RAX: dffffc0000000000 RBX: ffff8880813ccd80 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888093727791
RBP: ffff888093727780 R08: 000000000000000c R09: ffff88809372779c
R10: ffffed10126e4f0c R11: ffff888093727863 R12: ffff888093726540
R13: 000000000000000a R14: 000000000000001d R15: 0000000000000000
__neigh_notify+0xab/0x150 net/core/neighbour.c:2930
neigh_cleanup_and_release+0x71/0xc0 net/core/neighbour.c:106
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:3761
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:__down_read arch/x86/include/asm/rwsem.h:66 [inline]
RIP: 0010:down_read+0x3e/0xa0 kernel/locking/rwsem.c:26
RSP: 0018:ffff88808a54f790 EFLAGS: 00000202 ORIG_RAX: ffffffffffffff10
RAX: ffff888082f2b430 RBX: ffff888082f2b430 RCX: 00000000f6bba100
RDX: dffffc0000000000 RSI: ffff88808ae6ef10 RDI: 0000000000000282
RBP: ffff888082f2b530 R08: 00000000000029ae R09: ffffffff8a0705f0
R10: ffff88808ae6ef10 R11: ffff88808ae6e640 R12: ffff888082f2b390
R13: 1ffff110114a9efc R14: ffffffffffff0000 R15: ffff888082f2b558
ext4_da_map_blocks fs/ext4/inode.c:1865 [inline]
ext4_da_get_block_prep+0x433/0xff0 fs/ext4/inode.c:1960
__block_write_begin_int+0x337/0x1030 fs/buffer.c:2027
ext4_da_write_begin+0x3fc/0xe60 fs/ext4/inode.c:3104
generic_perform_write+0x1c9/0x420 mm/filemap.c:3047
__generic_file_write_iter+0x227/0x590 mm/filemap.c:3172
ext4_file_write_iter+0x281/0xdc0 fs/ext4/file.c:270
call_write_iter include/linux/fs.h:1777 [inline]
new_sync_write fs/read_write.c:469 [inline]
__vfs_write+0x44e/0x630 fs/read_write.c:482
vfs_write+0x192/0x4e0 fs/read_write.c:544
SYSC_write fs/read_write.c:590 [inline]
SyS_write+0xf2/0x210 fs/read_write.c:582
do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x445079
RSP: 002b:00007ffef03eb578 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000445079
RDX: 000000000000001c RSI: 0000000020000300 RDI: 0000000000000003
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000405df0 R14: 0000000000000000 R15: 0000000000000000
INFO: rcu_sched detected stalls on CPUs/tasks:
0-...: (1 GPs behind) idle=856/140000000000001/0 softirq=24358/24360 fqs=34
(detected by 1, t=10565 jiffies, g=1253, c=1252, q=71)
Sending NMI from CPU 1 to CPUs 0:
INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.190 msecs
NMI backtrace for cpu 0
CPU: 0 PID: 7714 Comm: syz-executor428 Not tainted 4.14.174-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
task: ffff88808ae6e640 task.stack: ffff88808a548000
RIP: 0010:unwind_next_frame+0xea0/0x17a0 arch/x86/kernel/unwind_orc.c:474
RSP: 0018:ffff8880aea07138 EFLAGS: 00000246
RAX: ffffffff89414150 RBX: ffff8880aea071e8 RCX: dffffc0000000000
RDX: ffff8880aea07228 RSI: 0000000000000001 RDI: ffffffff89414150
RBP: 1ffff11015d40e2e R08: ffffffff89414152 R09: ffff8880aea07d68
R10: ffff8880aea0721d R11: 0000000000058071 R12: ffffffff8941414e
R13: ffff8880aea07220 R14: ffff8880aea07d78 R15: 0000000000000002
FS: 0000000002488940(0000) GS:ffff8880aea00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffdafbe4f98 CR3: 000000008d10c000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
__save_stack_trace+0x6b/0xd0 arch/x86/kernel/stacktrace.c:44
save_stack+0x32/0xa0 mm/kasan/kasan.c:447
set_track mm/kasan/kasan.c:459 [inline]
kasan_kmalloc mm/kasan/kasan.c:551 [inline]
kasan_kmalloc+0xbf/0xe0 mm/kasan/kasan.c:529
kmem_cache_alloc+0x127/0x770 mm/slab.c:3552
kmem_cache_zalloc include/linux/slab.h:651 [inline]
fill_pool lib/debugobjects.c:110 [inline]
__debug_object_init+0x5b7/0x830 lib/debugobjects.c:341
debug_object_init lib/debugobjects.c:393 [inline]
debug_object_activate+0x274/0x450 lib/debugobjects.c:474
debug_rcu_head_queue kernel/rcu/rcu.h:152 [inline]
__call_rcu.constprop.0+0x31/0x7e0 kernel/rcu/tree.c:3050
dst_release+0x56/0x80 net/core/dst.c:188
refdst_drop include/net/dst.h:286 [inline]
skb_dst_drop include/net/dst.h:298 [inline]
__dev_queue_xmit+0x17df/0x25c0 net/core/dev.c:3484
neigh_resolve_output net/core/neighbour.c:1369 [inline]
neigh_resolve_output+0x50a/0x8b0 net/core/neighbour.c:1349
neigh_output include/net/neighbour.h:500 [inline]
ip6_finish_output2+0x992/0x2150 net/ipv6/ip6_output.c:120
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:3761
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:__down_read arch/x86/include/asm/rwsem.h:66 [inline]
RIP: 0010:down_read+0x3e/0xa0 kernel/locking/rwsem.c:26
RSP: 0018:ffff88808a54f790 EFLAGS: 00000202 ORIG_RAX: ffffffffffffff10
RAX: ffff888082f2b430 RBX: ffff888082f2b430 RCX: 00000000f6bba100
RDX: dffffc0000000000 RSI: ffff88808ae6ef10 RDI: 0000000000000282
RBP: ffff888082f2b530 R08: 00000000000029ae R09: ffffffff8a0705f0
R10: ffff88808ae6ef10 R11: ffff88808ae6e640 R12: ffff888082f2b390
R13: 1ffff110114a9efc R14: ffffffffffff0000 R15: ffff888082f2b558
ext4_da_map_blocks fs/ext4/inode.c:1865 [inline]
ext4_da_get_block_prep+0x433/0xff0 fs/ext4/inode.c:1960
__block_write_begin_int+0x337/0x1030 fs/buffer.c:2027
ext4_da_write_begin+0x3fc/0xe60 fs/ext4/inode.c:3104
generic_perform_write+0x1c9/0x420 mm/filemap.c:3047
__generic_file_write_iter+0x227/0x590 mm/filemap.c:3172
ext4_file_write_iter+0x281/0xdc0 fs/ext4/file.c:270
call_write_iter include/linux/fs.h:1777 [inline]
new_sync_write fs/read_write.c:469 [inline]
__vfs_write+0x44e/0x630 fs/read_write.c:482
vfs_write+0x192/0x4e0 fs/read_write.c:544
SYSC_write fs/read_write.c:590 [inline]
SyS_write+0xf2/0x210 fs/read_write.c:582
do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x445079
RSP: 002b:00007ffef03eb578 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000445079
RDX: 000000000000001c RSI: 0000000020000300 RDI: 0000000000000003
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000405df0 R14: 0000000000000000 R15: 0000000000000000
Code: c0 0f 85 b1 06 00 00 c6 43 35 01 e9 8c f5 ff ff 4c 8b 74 24 58 49 8d 7c 24 02 48 b9 00 00 00 00 00 fc ff df 48 8d 53 40 48 89 f8 <48> c1 e8 03 0f b6 34 08 49 8d 44 24 03 49 89 c0 49 c1 e8 03 41
rcu_sched kthread starved for 10486 jiffies! g1253 c1252 f0x0 RCU_GP_WAIT_FQS(3) ->state=0x0 ->cpu=1
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