Memory cgroup stats for /syz5: cache:0KB rss:296764KB rss_huge:30720KB shmem:0KB mapped_file:0KB dirty:0KB writeback:0KB swap:0KB inactive_anon:255552KB active_anon:280KB inactive_file:0KB active_file:4KB unevictable:41040KB
Memory cgroup out of memory: Kill process 13176 (syz-executor.5) score 1233 or sacrifice child
Killed process 13190 (syz-executor.5) total-vm:74964kB, anon-rss:18512kB, file-rss:34816kB, shmem-rss:0kB
rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	(detected by 0, t=10502 jiffies, g=27949, q=26)
rcu: All QSes seen, last rcu_preempt kthread activity 10503 (4294998715-4294988212), jiffies_till_next_fqs=1, root ->qsmask 0x0
syz-executor.5  R  running task    26496 13177   8227 0x80000002
Call Trace:
 <IRQ>
 sched_show_task kernel/sched/core.c:5338 [inline]
 sched_show_task.cold+0x2e2/0x343 kernel/sched/core.c:5313
 print_other_cpu_stall kernel/rcu/tree.c:1430 [inline]
 check_cpu_stall kernel/rcu/tree.c:1557 [inline]
 __rcu_pending kernel/rcu/tree.c:3293 [inline]
 rcu_pending kernel/rcu/tree.c:3336 [inline]
 rcu_check_callbacks.cold+0xaf0/0xddc kernel/rcu/tree.c:2682
 update_process_times+0x2a/0x70 kernel/time/timer.c:1638
 tick_sched_handle+0x9b/0x180 kernel/time/tick-sched.c:168
 tick_sched_timer+0x42/0x130 kernel/time/tick-sched.c:1278
 __run_hrtimer kernel/time/hrtimer.c:1401 [inline]
 __hrtimer_run_queues+0x2fc/0xd50 kernel/time/hrtimer.c:1463
 hrtimer_interrupt+0x312/0x770 kernel/time/hrtimer.c:1521
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1067 [inline]
 smp_apic_timer_interrupt+0x10c/0x550 arch/x86/kernel/apic/apic.c:1092
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:893
 </IRQ>
RIP: 0010:mem_cgroup_get_nr_swap_pages+0x48/0x140 mm/memcontrol.c:6626
Code: c0 20 3e 6e 8b 48 ba 00 00 00 00 00 fc ff df 48 c1 e8 03 80 3c 10 00 0f 85 ea 00 00 00 8b 05 4f f8 e9 07 4c 8b 2d a8 cd ca 09 <85> c0 0f 84 ae 00 00 00 0f 1f 44 00 00 48 3b 1d 3c f8 e9 07 0f 84
RSP: 0018:ffff8881f02171a0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000001 RBX: ffff888047024980 RCX: ffffffff81a3704c
RDX: dffffc0000000000 RSI: 0000000000000008 RDI: ffffffff8b6e3e20
RBP: ffff8881f02173d8 R08: ffff88803ecee4c0 R09: fffffbfff16dc7c5
R10: fffffbfff16dc7c4 R11: ffffffff8b6e3e27 R12: 0000000000000000
R13: 0000000000000000 R14: 000000000000003c R15: ffff8881f02176c0
 get_scan_count mm/vmscan.c:2289 [inline]
 shrink_node_memcg+0xb87/0x14b0 mm/vmscan.c:2492
 shrink_node+0x270/0x1350 mm/vmscan.c:2737
 shrink_zones mm/vmscan.c:2969 [inline]
 do_try_to_free_pages+0x3a3/0x1090 mm/vmscan.c:3027
 try_to_free_mem_cgroup_pages+0x2ef/0x8b0 mm/vmscan.c:3325
 try_charge+0x4ca/0x1300 mm/memcontrol.c:2264
 mem_cgroup_try_charge+0x249/0x5c0 mm/memcontrol.c:5993
 mem_cgroup_try_charge_delay+0x1a/0xa0 mm/memcontrol.c:6008
 wp_page_copy+0x3fe/0x1530 mm/memory.c:2520
 do_wp_page+0x518/0xfa0 mm/memory.c:2799
 handle_pte_fault mm/memory.c:4057 [inline]
 __handle_mm_fault+0x21a4/0x3b60 mm/memory.c:4165
 handle_mm_fault+0x1a5/0x670 mm/memory.c:4202
 faultin_page mm/gup.c:530 [inline]
 __get_user_pages+0x599/0x1650 mm/gup.c:730
 populate_vma_page_range+0x1fd/0x290 mm/gup.c:1234
 __mm_populate+0x1e8/0x350 mm/gup.c:1282
 mm_populate include/linux/mm.h:2323 [inline]
 __do_sys_mlockall mm/mlock.c:818 [inline]
 __se_sys_mlockall mm/mlock.c:795 [inline]
 __x64_sys_mlockall+0x340/0x500 mm/mlock.c:795
 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x45c479
Code: ad b6 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 b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007f50fc80dc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000097
RAX: ffffffffffffffda RBX: 00007f50fc80e6d4 RCX: 000000000045c479
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003
RBP: 000000000076bf20 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
R13: 0000000000000736 R14: 00000000004c9b76 R15: 000000000076bf2c
rcu: rcu_preempt kthread starved for 10546 jiffies! g27949 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0
rcu: RCU grace-period kthread stack dump:
rcu_preempt     R  running task    29472    10      2 0x80000000
Call Trace:
 schedule+0x8d/0x1b0 kernel/sched/core.c:3559
 schedule_timeout+0x4d1/0xf20 kernel/time/timer.c:1806
 rcu_gp_kthread+0xcee/0x2060 kernel/rcu/tree.c:2202
 kthread+0x34a/0x420 kernel/kthread.c:246
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415