rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	0-....: (10499 ticks this GP) idle=c3a/1/0x4000000000000002 softirq=462462/462462 fqs=5175 
rcu: 	 (t=10500 jiffies g=389001 q=162588)
NMI backtrace for cpu 0
CPU: 0 PID: 28186 Comm: syz-executor.5 Not tainted 5.1.0-rc2 #36
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 <IRQ>
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x172/0x1f0 lib/dump_stack.c:113
 nmi_cpu_backtrace.cold+0x63/0xa4 lib/nmi_backtrace.c:101
 nmi_trigger_cpumask_backtrace+0x1be/0x236 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:164 [inline]
 rcu_dump_cpu_stacks+0x183/0x1cf kernel/rcu/tree.c:1223
 print_cpu_stall kernel/rcu/tree.c:1360 [inline]
 check_cpu_stall kernel/rcu/tree.c:1434 [inline]
 rcu_pending kernel/rcu/tree.c:3103 [inline]
 rcu_sched_clock_irq.cold+0x500/0xa4a kernel/rcu/tree.c:2544
 update_process_times+0x32/0x80 kernel/time/timer.c:1635
 tick_sched_handle+0xa2/0x190 kernel/time/tick-sched.c:161
 tick_sched_timer+0x47/0x130 kernel/time/tick-sched.c:1271
 __run_hrtimer kernel/time/hrtimer.c:1389 [inline]
 __hrtimer_run_queues+0x33e/0xde0 kernel/time/hrtimer.c:1451
 hrtimer_interrupt+0x314/0x770 kernel/time/hrtimer.c:1509
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1035 [inline]
 smp_apic_timer_interrupt+0x120/0x570 arch/x86/kernel/apic/apic.c:1060
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:807
 </IRQ>
RIP: 0010:__sanitizer_cov_trace_const_cmp8+0x4/0x20 kernel/kcov.c:196
Code: 66 0f 1f 44 00 00 55 89 f2 89 fe bf 05 00 00 00 48 89 e5 48 8b 4d 08 e8 ba fe ff ff 5d c3 0f 1f 84 00 00 00 00 00 55 48 89 f2 <48> 89 fe bf 07 00 00 00 48 89 e5 48 8b 4d 08 e8 98 fe ff ff 5d c3
RSP: 0018:ffff888010757268 EFLAGS: 00000206 ORIG_RAX: ffffffffffffff13
RAX: 0000000000040000 RBX: 0000000000002000 RCX: ffffc90010864000
RDX: 0000000000002000 RSI: 0000000000002000 RDI: 0000000000000000
RBP: ffff8880107573e8 R08: ffff888056d42040 R09: ffffed1025fff590
R10: ffffed1025fff58f R11: ffff88812fffac7f R12: 000000000000e600
R13: 3fffffd7a4126200 R14: ffff8880107576c0 R15: 3fffffd7a4126000
 unmap_and_move mm/migrate.c:1175 [inline]
 migrate_pages+0x484/0x2cd0 mm/migrate.c:1426
 compact_zone+0x1b56/0x38d0 mm/compaction.c:2174
 compact_zone_order+0x1af/0x2a0 mm/compaction.c:2299
 try_to_compact_pages+0x268/0xaf0 mm/compaction.c:2351
 __alloc_pages_direct_compact+0x154/0x4d0 mm/page_alloc.c:3770
 __alloc_pages_slowpath+0xb14/0x28b0 mm/page_alloc.c:4414
 __alloc_pages_nodemask+0x57e/0x7e0 mm/page_alloc.c:4622
 __alloc_pages include/linux/gfp.h:473 [inline]
 __alloc_pages_node include/linux/gfp.h:486 [inline]
 alloc_pages_vma+0x39a/0x540 mm/mempolicy.c:2062
 new_page+0x2d5/0x3d0 mm/mempolicy.c:1119
 unmap_and_move mm/migrate.c:1175 [inline]
 migrate_pages+0x484/0x2cd0 mm/migrate.c:1426
 do_mbind mm/mempolicy.c:1230 [inline]
 kernel_mbind+0xaf3/0xd90 mm/mempolicy.c:1347
 __do_sys_mbind mm/mempolicy.c:1354 [inline]
 __se_sys_mbind mm/mempolicy.c:1350 [inline]
 __x64_sys_mbind+0xe1/0x1a0 mm/mempolicy.c:1350
 do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x458209
Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007fa013485c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000ed
RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 0000000000458209
RDX: 0000000000000000 RSI: 0000000000c00000 RDI: 0000000020012000
RBP: 000000000073bf00 R08: 0000000000000002 R09: 0000010000000002
R10: 0000000020000000 R11: 0000000000000246 R12: 00007fa0134866d4
R13: 00000000004c3e55 R14: 00000000004d6f70 R15: 00000000ffffffff