oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=syz0,mems_allowed=0-1,oom_memcg=/syz0,task_memcg=/syz0,task=syz-executor.0,pid=8148,uid=0
Memory cgroup out of memory: Kill process 8148 (syz-executor.0) score 1132 or sacrifice child
Killed process 8148 (syz-executor.0) total-vm:72708kB, anon-rss:8344kB, file-rss:35324kB, shmem-rss:0kB
rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: (detected by 0, t=10502 jiffies, g=319621, q=137)
rcu: All QSes seen, last rcu_preempt kthread activity 10502 (4295140069-4295129567), jiffies_till_next_fqs=1, root ->qsmask 0x0
syz-executor.0 R running task 25744 29063 7980 0x80000002
Call Trace:
<IRQ>
sched_show_task kernel/sched/core.c:5306 [inline]
sched_show_task.cold+0x292/0x30b kernel/sched/core.c:5281
print_other_cpu_stall kernel/rcu/tree.c:1301 [inline]
check_cpu_stall kernel/rcu/tree.c:1429 [inline]
rcu_pending kernel/rcu/tree.c:3018 [inline]
rcu_check_callbacks.cold+0xa10/0xa4a kernel/rcu/tree.c:2521
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:trace_mm_shrink_slab_start include/trace/events/vmscan.h:196 [inline]
RIP: 0010:do_shrink_slab+0x89f/0xa80 mm/vmscan.c:526
Code: 48 8b 05 ec 7e c8 07 e8 cf 7e cc ff 31 ff 41 89 c5 89 c6 e8 b3 34 df ff 45 85 ed 74 1c e8 29 33 df ff 44 0f b6 2d 0f 0f c8 07 <31> ff 44 89 ee e8 57 34 df ff 45 84 ed 74 4a e8 0d 33 df ff 65 ff
RSP: 0018:ffff8881fec26f18 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
RAX: 0000000000040000 RBX: 0000000000000000 RCX: ffffc90006060000
RDX: 0000000000040000 RSI: ffffffff8190ae57 RDI: 0000000000000005
RBP: ffff8881fec26f98 R08: ffff8881f1d86580 R09: ffffed10140d3ef9
R10: ffffed10140d3ef8 R11: ffff8880a069f7c7 R12: ffff8881fec27000
R13: 0000000000000000 R14: ffff8880a55d7178 R15: 0000000000000400
shrink_slab_memcg mm/vmscan.c:616 [inline]
shrink_slab+0x36a/0x5e0 mm/vmscan.c:688
shrink_node+0x50f/0x1540 mm/vmscan.c:2747
shrink_zones mm/vmscan.c:2977 [inline]
do_try_to_free_pages+0x3cb/0x11e0 mm/vmscan.c:3039
try_to_free_mem_cgroup_pages+0x337/0x960 mm/vmscan.c:3343
try_charge+0x3d7/0x1570 mm/memcontrol.c:2234
mem_cgroup_try_charge+0x24d/0x5e0 mm/memcontrol.c:5913
mem_cgroup_try_charge_delay+0x1f/0xa0 mm/memcontrol.c:5928
shmem_getpage_gfp+0x69b/0x3520 mm/shmem.c:1790
shmem_fault+0x22d/0x760 mm/shmem.c:1988
__do_fault+0x116/0x4e0 mm/memory.c:3019
do_read_fault mm/memory.c:3430 [inline]
do_fault mm/memory.c:3556 [inline]
handle_pte_fault mm/memory.c:3787 [inline]
__handle_mm_fault+0x2cbd/0x3f20 mm/memory.c:3911
handle_mm_fault+0x43f/0xb30 mm/memory.c:3948
faultin_page mm/gup.c:535 [inline]
__get_user_pages+0x7b6/0x1a40 mm/gup.c:738
populate_vma_page_range+0x20d/0x2a0 mm/gup.c:1247
__mm_populate+0x204/0x380 mm/gup.c:1295
mm_populate include/linux/mm.h:2388 [inline]
vm_mmap_pgoff+0x213/0x230 mm/util.c:355
ksys_mmap_pgoff+0xf7/0x630 mm/mmap.c:1609
__do_sys_mmap arch/x86/kernel/sys_x86_64.c:100 [inline]
__se_sys_mmap arch/x86/kernel/sys_x86_64.c:91 [inline]
__x64_sys_mmap+0xe9/0x1b0 arch/x86/kernel/sys_x86_64.c:91
do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x457e29
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:00007ff1c0621c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000009
RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 0000000000457e29
RDX: 0000000000000002 RSI: 0000000000b36000 RDI: 0000000020000000
RBP: 000000000073bfa0 R08: ffffffffffffffff R09: 0000000000000000
R10: 0000000000008031 R11: 0000000000000246 R12: 00007ff1c06226d4
R13: 00000000004c3b88 R14: 00000000004d6d40 R15: 00000000ffffffff
rcu: rcu_preempt kthread starved for 10502 jiffies! g319621 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1
rcu: RCU grace-period kthread stack dump:
rcu_preempt R running task 29024 10 2 0x80000000
Call Trace:
context_switch kernel/sched/core.c:2844 [inline]
__schedule+0x817/0x1cc0 kernel/sched/core.c:3485
schedule+0x92/0x180 kernel/sched/core.c:3529
schedule_timeout+0x4db/0xfd0 kernel/time/timer.c:1803
rcu_gp_fqs_loop kernel/rcu/tree.c:1948 [inline]
rcu_gp_kthread+0x956/0x17a0 kernel/rcu/tree.c:2105
kthread+0x357/0x430 kernel/kthread.c:246
ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:352