INFO: rcu_sched detected stalls on CPUs/tasks:
	1-...: (1 GPs behind) idle=83a/140000000000002/0 softirq=293631/293632 fqs=3 
	(detected by 0, t=10502 jiffies, g=61979, c=61978, q=8)
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 25995 Comm: syz-executor.4 Not tainted 4.14.172-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
task: ffff88806c60e140 task.stack: ffff88808d598000
RIP: 0010:mark_lock+0x13/0x10b0 kernel/locking/lockdep.c:3157
RSP: 0000:ffff8880aeb06f68 EFLAGS: 00000002
RAX: dffffc0000000000 RBX: 0000000000000001 RCX: 0000000000000008
RDX: 0000000000000008 RSI: ffff88806c60ea38 RDI: ffff88806c60e140
RBP: ffff8880aeb07130 R08: 0000000000000001 R09: 00000000000c6001
R10: ffff88806c60ea38 R11: ffff88806c60e140 R12: ffffffff8a693ce0
R13: 0000000000000001 R14: 0000000000000003 R15: 0000000000000008
FS:  00007f74dd46c700(0000) GS:ffff8880aeb00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000000071d6b4 CR3: 000000004243f000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 __lock_acquire+0x5f7/0x4620 kernel/locking/lockdep.c:3448
 lock_acquire+0x170/0x3f0 kernel/locking/lockdep.c:3994
 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
 _raw_spin_lock_irqsave+0x8c/0xbf kernel/locking/spinlock.c:160
 debug_object_deactivate lib/debugobjects.c:502 [inline]
 debug_object_deactivate+0xe7/0x350 lib/debugobjects.c:491
 debug_hrtimer_deactivate kernel/time/hrtimer.c:406 [inline]
 debug_deactivate kernel/time/hrtimer.c:453 [inline]
 __run_hrtimer kernel/time/hrtimer.c:1193 [inline]
 __hrtimer_run_queues+0x15b/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:memset+0x0/0x40 mm/kasan/kasan.c:284
RSP: 0000:ffff8880aeb074f8 EFLAGS: 00000a02 ORIG_RAX: ffffffffffffff10
RAX: ffffed1015d60ea4 RBX: ffff8880aeb07610 RCX: ffff8880aeb07610
RDX: 0000000000000058 RSI: 0000000000000000 RDI: ffff8880aeb07598
RBP: ffff88806c60e140 R08: 0000000000000001 R09: ffffed10111ee880
R10: ffff88806c60ea10 R11: ffff88806c60e140 R12: 1ffff11015d60ea4
R13: 0000000000000000 R14: dffffc0000000000 R15: ffff8880aeb07598
 memset include/linux/string.h:332 [inline]
 __unwind_start+0x65/0x800 arch/x86/kernel/unwind_orc.c:511
 unwind_start arch/x86/include/asm/unwind.h:60 [inline]
 __save_stack_trace+0x4a/0xd0 arch/x86/kernel/stacktrace.c:43
 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]
 sctp_chunkify+0x46/0x280 net/sctp/sm_make_chunk.c:1326
 _sctp_make_chunk+0x13d/0x250 net/sctp/sm_make_chunk.c:1399
 sctp_make_control+0x30/0x150 net/sctp/sm_make_chunk.c:1429
 sctp_make_heartbeat+0x79/0x240 net/sctp/sm_make_chunk.c:1148
 sctp_sf_heartbeat.isra.0+0x21/0x170 net/sctp/sm_statefuns.c:971
 sctp_sf_sendbeat_8_3+0x34e/0x4f0 net/sctp/sm_statefuns.c:1015
 sctp_do_sm+0xf6/0x4a90 net/sctp/sm_sideeffect.c:1147
 sctp_generate_heartbeat_event+0x1da/0x3f0 net/sctp/sm_sideeffect.c:391
 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
 </IRQ>
RIP: 0033:0x40e19f
RSP: 002b:00007f74dd46bd00 EFLAGS: 00000202 ORIG_RAX: ffffffffffffff10
RAX: 0000000000000000 RBX: 000000000076c068 RCX: 00000000004c316e
RDX: 00000000000ed56b RSI: 0000000000001de6 RDI: 000000000076c06c
RBP: 000000000076c060 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000076c06c
R13: 00007fffa6ee2cdf R14: 00007f74dd46c9c0 R15: 000000000076c06c
Code: 67 d1 87 e8 50 d7 3d 00 eb 8a 48 c7 c7 00 0a 66 8a e8 32 d7 3d 00 eb c3 48 b8 00 00 00 00 00 fc ff df 41 57 89 d1 41 89 d7 41 56 <49> 89 fe 41 55 4c 8d 6e 20 4c 89 ea 41 54 41 bc 01 00 00 00 55 
rcu_sched kthread starved for 10496 jiffies! g61979 c61978 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
INFO: rcu_preempt detected stalls on CPUs/tasks:
	1-...: (1 GPs behind) idle=83a/140000000000002/0 softirq=293627/293632 fqs=1 
	(detected by 0, t=10569 jiffies, g=43041, c=43040, q=383)
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 25995 Comm: syz-executor.4 Not tainted 4.14.172-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
task: ffff88806c60e140 task.stack: ffff88808d598000
RIP: 0010:check_preemption_disabled+0x35/0x240 lib/smp_processor_id.c:53
RSP: 0000:ffff8880aeb07128 EFLAGS: 00000006
RAX: ffff88806c60e140 RBX: 0000000000000000 RCX: 1ffffffff1027974
RDX: 0000000000010100 RSI: ffffffff86e453c0 RDI: ffffffff86e45400
RBP: ffffffff86e45400 R08: 0000000000000000 R09: 00000000000a6012
R10: ffff88806c60ea38 R11: ffff88806c60e140 R12: 0000000000000001
R13: ffffffff86e453c0 R14: 0000000000000008 R15: ffff8880aeb074d0
FS:  00007f74dd46c700(0000) GS:ffff8880aeb00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000000071d6b4 CR3: 000000004243f000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 rcu_dynticks_curr_cpu_in_eqs kernel/rcu/tree.c:360 [inline]
 rcu_is_watching+0x11/0xb0 kernel/rcu/tree.c:1130
 rcu_read_lock_held+0x7c/0xc0 kernel/rcu/update.c:328
 __perf_output_begin kernel/events/ring_buffer.c:163 [inline]
 perf_output_begin_forward+0x7cc/0xa20 kernel/events/ring_buffer.c:262
 __perf_event_output kernel/events/core.c:6272 [inline]
 perf_event_output_forward+0xde/0x1f0 kernel/events/core.c:6288
 __perf_event_overflow+0x113/0x310 kernel/events/core.c:7526
 perf_swevent_hrtimer+0x220/0x350 kernel/events/core.c:8736
 __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:mod_timer+0x0/0xe70 kernel/time/timer.c:1068
RSP: 0000:ffff8880aeb07a78 EFLAGS: 00000206 ORIG_RAX: ffffffffffffff10
RAX: 00000000155377bb RBX: 0000000000000071 RCX: 0000000000000000
RDX: 0000000000000100 RSI: 00000001000198db RDI: ffff8880a4f3bca8
RBP: ffff8880a4f3bb00 R08: ffff88809ed37d44 R09: ffffed1013da6faf
R10: ffffed1013da6fae R11: ffff88809ed37d73 R12: 000000010001986a
R13: ffff8880aeb07c48 R14: dffffc0000000000 R15: ffff88804ad6e180
 sctp_transport_reset_hb_timer+0x16e/0x1d0 net/sctp/transport.c:215
 sctp_cmd_interpreter net/sctp/sm_sideeffect.c:1653 [inline]
 sctp_side_effects net/sctp/sm_sideeffect.c:1179 [inline]
 sctp_do_sm+0x2d8d/0x4a90 net/sctp/sm_sideeffect.c:1150
 sctp_generate_heartbeat_event+0x1da/0x3f0 net/sctp/sm_sideeffect.c:391
 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
 </IRQ>
RIP: 0033:0x40e19f
RSP: 002b:00007f74dd46bd00 EFLAGS: 00000202 ORIG_RAX: ffffffffffffff10
RAX: 0000000000000000 RBX: 000000000076c068 RCX: 00000000004c316e
RDX: 00000000000ed56b RSI: 0000000000001de6 RDI: 000000000076c06c
RBP: 000000000076c060 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000076c06c
R13: 00007fffa6ee2cdf R14: 00007f74dd46c9c0 R15: 000000000076c06c
Code: 54 55 48 89 fd 53 e8 2b 52 5c fe 65 44 8b 25 23 8e 03 7d 65 8b 05 bc fa 03 7d a9 ff ff ff 7f 74 18 e8 10 52 5c fe e8 0b 52 5c fe <44> 89 e0 5b 5d 41 5c 41 5d 41 5e 41 5f c3 e8 f8 51 5c fe 48 c7 
rcu_preempt kthread starved for 10567 jiffies! g43041 c43040 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