rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 1-...!: (9247 ticks this GP) idle=cc5c/1/0x4000000000000000 softirq=8692/8692 fqs=2
(t=10500 jiffies g=8749 q=60035 ncpus=2)
rcu: rcu_preempt kthread timer wakeup didn't happen for 10499 jiffies! g8749 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402
rcu: Possible timer handling issue on cpu=0 timer-softirq=2715
rcu: rcu_preempt kthread starved for 10500 jiffies! g8749 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=0
rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior.
rcu: RCU grace-period kthread stack dump:
task:rcu_preempt state:I stack:28728 pid: 16 ppid: 2 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:5182 [inline]
__schedule+0xadf/0x52b0 kernel/sched/core.c:6494
schedule+0xda/0x1b0 kernel/sched/core.c:6570
schedule_timeout+0x14a/0x2a0 kernel/time/timer.c:1935
rcu_gp_fqs_loop+0x190/0x910 kernel/rcu/tree.c:1657
rcu_gp_kthread+0x236/0x360 kernel/rcu/tree.c:1854
kthread+0x2e4/0x3a0 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306
rcu: Stack dump where RCU GP kthread last ran:
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 5869 Comm: syz-executor.0 Not tainted 6.0.0-rc6-syzkaller-00009-g60891ec99e14 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2022
RIP: 0010:mark_lock.part.0+0x136/0x1910 kernel/locking/lockdep.c:4611
Code: 78 50 48 ba 00 00 00 00 00 fc ff df 48 89 f9 48 c1 e9 03 80 3c 11 00 0f 85 65 13 00 00 48 89 ee 48 23 70 50 0f 84 d3 06 00 00 <41> ba 01 00 00 00 48 b8 00 00 00 00 00 fc ff df 48 01 c3 48 c7 03
RSP: 0018:ffffc900033de558 EFLAGS: 00000006
RAX: ffffffff908ed6e0 RBX: 1ffff9200067bcb2 RCX: 1ffffffff211dae6
RDX: dffffc0000000000 RSI: 0000000000000100 RDI: ffffffff908ed730
RBP: 0000000000000100 R08: 0000000000000000 R09: ffffffff908e5957
R10: fffffbfff211cb2a R11: 0000000000000000 R12: ffff88801c8228c0
R13: 0000000000000008 R14: 00000000000000a2 R15: ffff88801c8228e0
FS: 00007f9b5b7be700(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f9b5a69dbc0 CR3: 000000006a350000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
mark_lock kernel/locking/lockdep.c:4596 [inline]
mark_usage kernel/locking/lockdep.c:4553 [inline]
__lock_acquire+0x8ab/0x56d0 kernel/locking/lockdep.c:5007
lock_acquire kernel/locking/lockdep.c:5666 [inline]
lock_acquire+0x1ab/0x570 kernel/locking/lockdep.c:5631
do_write_seqcount_begin_nested include/linux/seqlock.h:516 [inline]
do_write_seqcount_begin include/linux/seqlock.h:541 [inline]
psi_group_change+0x137/0xc70 kernel/sched/psi.c:705
psi_task_switch+0x3e7/0x4e0 kernel/sched/psi.c:885
psi_sched_switch kernel/sched/stats.h:194 [inline]
__schedule+0x3589/0x52b0 kernel/sched/core.c:6489
schedule+0xda/0x1b0 kernel/sched/core.c:6570
schedule_timeout+0x14a/0x2a0 kernel/time/timer.c:1935
reclaim_throttle+0x753/0xa40 mm/vmscan.c:1162
shrink_inactive_list mm/vmscan.c:2421 [inline]
shrink_list mm/vmscan.c:2674 [inline]
shrink_lruvec+0xa83/0x2650 mm/vmscan.c:2991
shrink_node_memcgs mm/vmscan.c:3180 [inline]
shrink_node+0x85e/0x1e80 mm/vmscan.c:3304
shrink_zones mm/vmscan.c:3542 [inline]
do_try_to_free_pages+0x3b4/0x17a0 mm/vmscan.c:3601
try_to_free_pages+0x2a7/0x840 mm/vmscan.c:3836
__perform_reclaim mm/page_alloc.c:4726 [inline]
__alloc_pages_direct_reclaim mm/page_alloc.c:4748 [inline]
__alloc_pages_slowpath.constprop.0+0x8f8/0x2240 mm/page_alloc.c:5151
__alloc_pages+0x43d/0x510 mm/page_alloc.c:5528
alloc_pages+0x1a6/0x270 mm/mempolicy.c:2270
alloc_slab_page mm/slub.c:1824 [inline]
allocate_slab+0x27e/0x3d0 mm/slub.c:1969
new_slab mm/slub.c:2029 [inline]
___slab_alloc+0x7f1/0xe10 mm/slub.c:3031
__slab_alloc.constprop.0+0x4d/0xa0 mm/slub.c:3118
slab_alloc_node mm/slub.c:3209 [inline]
slab_alloc mm/slub.c:3251 [inline]
__kmem_cache_alloc_lru mm/slub.c:3258 [inline]
kmem_cache_alloc+0x38c/0x3b0 mm/slub.c:3268
anon_vma_chain_alloc mm/rmap.c:141 [inline]
anon_vma_clone+0x35a/0x600 mm/rmap.c:291
anon_vma_fork+0x82/0x640 mm/rmap.c:350
dup_mmap kernel/fork.c:658 [inline]
dup_mm+0xa52/0x13a0 kernel/fork.c:1525
copy_mm kernel/fork.c:1577 [inline]
copy_process+0x3ca6/0x7090 kernel/fork.c:2254
kernel_clone+0xe7/0xab0 kernel/fork.c:2671
__do_sys_clone3+0x1cd/0x2e0 kernel/fork.c:2963
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f9b5a688e99
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f9b5b7be168 EFLAGS: 00000246 ORIG_RAX: 00000000000001b3
RAX: ffffffffffffffda RBX: 00007f9b5a79bf60 RCX: 00007f9b5a688e99
RDX: 0000000000000000 RSI: 0000000000000058 RDI: 0000000020000080
RBP: 00007f9b5a6e2ff1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffd5c3a5eef R14: 00007f9b5b7be300 R15: 0000000000022000
NMI backtrace for cpu 1
CPU: 1 PID: 19932 Comm: syz-executor.0 Not tainted 6.0.0-rc6-syzkaller-00009-g60891ec99e14 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2022
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:106
nmi_cpu_backtrace.cold+0x46/0x14f lib/nmi_backtrace.c:111
nmi_trigger_cpumask_backtrace+0x206/0x250 lib/nmi_backtrace.c:62
trigger_single_cpu_backtrace include/linux/nmi.h:166 [inline]
rcu_dump_cpu_stacks+0x2c7/0x4d0 kernel/rcu/tree_stall.h:371
print_cpu_stall kernel/rcu/tree_stall.h:660 [inline]
check_cpu_stall kernel/rcu/tree_stall.h:744 [inline]
rcu_pending kernel/rcu/tree.c:3660 [inline]
rcu_sched_clock_irq.cold+0x9f/0x79c kernel/rcu/tree.c:2342
update_process_times+0x11a/0x1a0 kernel/time/timer.c:1839
tick_sched_handle+0x9b/0x180 kernel/time/tick-sched.c:243
tick_sched_timer+0xee/0x120 kernel/time/tick-sched.c:1480
__run_hrtimer kernel/time/hrtimer.c:1685 [inline]
__hrtimer_run_queues+0x1c0/0xe40 kernel/time/hrtimer.c:1749
hrtimer_interrupt+0x31c/0x790 kernel/time/hrtimer.c:1811
local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1095 [inline]
__sysvec_apic_timer_interrupt+0x146/0x530 arch/x86/kernel/apic/apic.c:1112
sysvec_apic_timer_interrupt+0x8e/0xc0 arch/x86/kernel/apic/apic.c:1106
asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:649
RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:152 [inline]
RIP: 0010:_raw_spin_unlock_irqrestore+0x38/0x70 kernel/locking/spinlock.c:194
Code: 74 24 10 e8 4a 2e dc f7 48 89 ef e8 d2 af dc f7 81 e3 00 02 00 00 75 25 9c 58 f6 c4 02 75 2d 48 85 db 74 01 fb bf 01 00 00 00 83 71 cf f7 65 8b 05 6c 27 7f 76 85 c0 74 0a 5b 5d c3 e8 40 38
RSP: 0018:ffffc90043b4eac8 EFLAGS: 00000206
RAX: 0000000000000002 RBX: 0000000000000200 RCX: 1ffffffff211db76
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000001
RBP: ffff8880b9b283c0 R08: 0000000000000001 R09: ffffffff908e5957
R10: 0000000000000001 R11: 0000000000000000 R12: 00000000ffffd140
R13: ffff8880b9b283c0 R14: 0000000000000000 R15: 00000000ffffffff
__mod_timer+0x837/0xe30 kernel/time/timer.c:1118
schedule_timeout+0x145/0x2a0 kernel/time/timer.c:1934
reclaim_throttle+0x753/0xa40 mm/vmscan.c:1162
shrink_inactive_list mm/vmscan.c:2421 [inline]
shrink_list mm/vmscan.c:2674 [inline]
shrink_lruvec+0xa83/0x2650 mm/vmscan.c:2991
shrink_node_memcgs mm/vmscan.c:3180 [inline]
shrink_node+0x85e/0x1e80 mm/vmscan.c:3304
shrink_zones mm/vmscan.c:3542 [inline]
do_try_to_free_pages+0x3b4/0x17a0 mm/vmscan.c:3601
try_to_free_pages+0x2a7/0x840 mm/vmscan.c:3836
__perform_reclaim mm/page_alloc.c:4726 [inline]
__alloc_pages_direct_reclaim mm/page_alloc.c:4748 [inline]
__alloc_pages_slowpath.constprop.0+0x8f8/0x2240 mm/page_alloc.c:5151
__alloc_pages+0x43d/0x510 mm/page_alloc.c:5528
alloc_pages+0x1a6/0x270 mm/mempolicy.c:2270
alloc_slab_page mm/slub.c:1824 [inline]
allocate_slab+0x27e/0x3d0 mm/slub.c:1969
new_slab mm/slub.c:2029 [inline]
___slab_alloc+0x7f1/0xe10 mm/slub.c:3031
__slab_alloc.constprop.0+0x4d/0xa0 mm/slub.c:3118
slab_alloc_node mm/slub.c:3209 [inline]
slab_alloc mm/slub.c:3251 [inline]
__kmem_cache_alloc_lru mm/slub.c:3258 [inline]
kmem_cache_alloc+0x38c/0x3b0 mm/slub.c:3268
anon_vma_chain_alloc mm/rmap.c:141 [inline]
anon_vma_clone+0x35a/0x600 mm/rmap.c:291
anon_vma_fork+0x82/0x640 mm/rmap.c:350
dup_mmap kernel/fork.c:658 [inline]
dup_mm+0xa52/0x13a0 kernel/fork.c:1525
copy_mm kernel/fork.c:1577 [inline]
copy_process+0x3ca6/0x7090 kernel/fork.c:2254
kernel_clone+0xe7/0xab0 kernel/fork.c:2671
__do_sys_clone3+0x1cd/0x2e0 kernel/fork.c:2963
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f9b5a688e99
================================
WARNING: inconsistent lock state
6.0.0-rc6-syzkaller-00009-g60891ec99e14 #0 Not tainted
--------------------------------
inconsistent {HARDIRQ-ON-W} -> {IN-HARDIRQ-W} usage.
syz-executor.0/19932 [HC1[1]:SC0[0]:HE0:SE1] takes:
ffffffff8c0bf338 (vmap_area_lock){?.+.}-{2:2}, at: spin_lock include/linux/spinlock.h:349 [inline]
ffffffff8c0bf338 (vmap_area_lock){?.+.}-{2:2}, at: find_vmap_area+0x1c/0x130 mm/vmalloc.c:1836
{HARDIRQ-ON-W} state was registered at:
lock_acquire kernel/locking/lockdep.c:5666 [inline]
lock_acquire+0x1ab/0x570 kernel/locking/lockdep.c:5631
__raw_spin_lock include/linux/spinlock_api_smp.h:133 [inline]
_raw_spin_lock+0x2a/0x40 kernel/locking/spinlock.c:154
spin_lock include/linux/spinlock.h:349 [inline]
alloc_vmap_area+0xa0b/0x1d50 mm/vmalloc.c:1617
__get_vm_area_node+0x142/0x3f0 mm/vmalloc.c:2484
get_vm_area_caller+0x43/0x50 mm/vmalloc.c:2537
__ioremap_caller.constprop.0+0x292/0x600 arch/x86/mm/ioremap.c:280
acpi_os_ioremap include/acpi/acpi_io.h:13 [inline]
acpi_map drivers/acpi/osl.c:296 [inline]
acpi_os_map_iomem+0x463/0x550 drivers/acpi/osl.c:355
acpi_tb_acquire_table+0xd8/0x209 drivers/acpi/acpica/tbdata.c:142
acpi_tb_validate_table drivers/acpi/acpica/tbdata.c:317 [inline]
acpi_tb_validate_table+0x50/0x8c drivers/acpi/acpica/tbdata.c:308
acpi_tb_verify_temp_table+0x84/0x674 drivers/acpi/acpica/tbdata.c:504
acpi_reallocate_root_table+0x374/0x3e0 drivers/acpi/acpica/tbxface.c:180
acpi_early_init+0x13a/0x438 drivers/acpi/bus.c:1214
start_kernel+0x3cf/0x48f init/main.c:1099
secondary_startup_64_no_verify+0xce/0xdb
irq event stamp: 1966
hardirqs last enabled at (1965): [] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:151 [inline]
hardirqs last enabled at (1965): [] _raw_spin_unlock_irqrestore+0x50/0x70 kernel/locking/spinlock.c:194
hardirqs last disabled at (1966): [] sysvec_apic_timer_interrupt+0xb/0xc0 arch/x86/kernel/apic/apic.c:1106
softirqs last enabled at (0): [] copy_process+0x212f/0x7090 kernel/fork.c:2199
softirqs last disabled at (0): [<0000000000000000>] 0x0
other info that might help us debug this:
Possible unsafe locking scenario:
CPU0
----
lock(vmap_area_lock);
lock(vmap_area_lock);
*** DEADLOCK ***
5 locks held by syz-executor.0/19932:
#0: ffffffff8c06d990 (dup_mmap_sem){.+.+}-{0:0}, at: dup_mmap kernel/fork.c:589 [inline]
#0: ffffffff8c06d990 (dup_mmap_sem){.+.+}-{0:0}, at: dup_mm+0x108/0x13a0 kernel/fork.c:1525
#1: ffff8880aa556328 (&mm->mmap_lock#2){++++}-{3:3}, at: mmap_write_lock_killable include/linux/mmap_lock.h:87 [inline]
#1: ffff8880aa556328 (&mm->mmap_lock#2){++++}-{3:3}, at: dup_mmap kernel/fork.c:590 [inline]
#1: ffff8880aa556328 (&mm->mmap_lock#2){++++}-{3:3}, at: dup_mm+0x129/0x13a0 kernel/fork.c:1525
#2: ffff8881b9c28f28 (&mm->mmap_lock/1){+.+.}-{3:3}, at: mmap_write_lock_nested include/linux/mmap_lock.h:78 [inline]
#2: ffff8881b9c28f28 (&mm->mmap_lock/1){+.+.}-{3:3}, at: dup_mmap kernel/fork.c:599 [inline]
#2: ffff8881b9c28f28 (&mm->mmap_lock/1){+.+.}-{3:3}, at: dup_mm+0x17b/0x13a0 kernel/fork.c:1525
#3: ffffffff8c0c4480 (fs_reclaim){+.+.}-{0:0}, at: __perform_reclaim mm/page_alloc.c:4723 [inline]
#3: ffffffff8c0c4480 (fs_reclaim){+.+.}-{0:0}, at: __alloc_pages_direct_reclaim mm/page_alloc.c:4748 [inline]
#3: ffffffff8c0c4480 (fs_reclaim){+.+.}-{0:0}, at: __alloc_pages_slowpath.constprop.0+0x84f/0x2240 mm/page_alloc.c:5151
#4: ffffffff8bf93958 (rcu_node_0){-.-.}-{2:2}, at: rcu_dump_cpu_stacks+0xc1/0x4d0 kernel/rcu/tree_stall.h:366
stack backtrace:
CPU: 1 PID: 19932 Comm: syz-executor.0 Not tainted 6.0.0-rc6-syzkaller-00009-g60891ec99e14 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2022
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:106
print_usage_bug kernel/locking/lockdep.c:3961 [inline]
valid_state kernel/locking/lockdep.c:3973 [inline]
mark_lock_irq kernel/locking/lockdep.c:4176 [inline]
mark_lock.part.0.cold+0x18/0xd8 kernel/locking/lockdep.c:4632
mark_lock kernel/locking/lockdep.c:4596 [inline]
mark_usage kernel/locking/lockdep.c:4524 [inline]
__lock_acquire+0x14a2/0x56d0 kernel/locking/lockdep.c:5007
lock_acquire kernel/locking/lockdep.c:5666 [inline]
lock_acquire+0x1ab/0x570 kernel/locking/lockdep.c:5631
__raw_spin_lock include/linux/spinlock_api_smp.h:133 [inline]
_raw_spin_lock+0x2a/0x40 kernel/locking/spinlock.c:154
spin_lock include/linux/spinlock.h:349 [inline]
find_vmap_area+0x1c/0x130 mm/vmalloc.c:1836
check_heap_object mm/usercopy.c:176 [inline]
__check_object_size mm/usercopy.c:250 [inline]
__check_object_size+0x1f8/0x700 mm/usercopy.c:212
check_object_size include/linux/thread_info.h:199 [inline]
__copy_from_user_inatomic include/linux/uaccess.h:62 [inline]
copy_from_user_nmi arch/x86/lib/usercopy.c:47 [inline]
copy_from_user_nmi+0xcb/0x130 arch/x86/lib/usercopy.c:31
copy_code arch/x86/kernel/dumpstack.c:91 [inline]
show_opcodes+0x59/0xb0 arch/x86/kernel/dumpstack.c:121
show_iret_regs+0xd/0x33 arch/x86/kernel/dumpstack.c:149
__show_regs+0x1e/0x60 arch/x86/kernel/process_64.c:74
show_trace_log_lvl+0x25b/0x2ba arch/x86/kernel/dumpstack.c:292
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:106
nmi_cpu_backtrace.cold+0x46/0x14f lib/nmi_backtrace.c:111
nmi_trigger_cpumask_backtrace+0x206/0x250 lib/nmi_backtrace.c:62
trigger_single_cpu_backtrace include/linux/nmi.h:166 [inline]
rcu_dump_cpu_stacks+0x2c7/0x4d0 kernel/rcu/tree_stall.h:371
print_cpu_stall kernel/rcu/tree_stall.h:660 [inline]
check_cpu_stall kernel/rcu/tree_stall.h:744 [inline]
rcu_pending kernel/rcu/tree.c:3660 [inline]
rcu_sched_clock_irq.cold+0x9f/0x79c kernel/rcu/tree.c:2342
update_process_times+0x11a/0x1a0 kernel/time/timer.c:1839
tick_sched_handle+0x9b/0x180 kernel/time/tick-sched.c:243
tick_sched_timer+0xee/0x120 kernel/time/tick-sched.c:1480
__run_hrtimer kernel/time/hrtimer.c:1685 [inline]
__hrtimer_run_queues+0x1c0/0xe40 kernel/time/hrtimer.c:1749
hrtimer_interrupt+0x31c/0x790 kernel/time/hrtimer.c:1811
local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1095 [inline]
__sysvec_apic_timer_interrupt+0x146/0x530 arch/x86/kernel/apic/apic.c:1112
sysvec_apic_timer_interrupt+0x8e/0xc0 arch/x86/kernel/apic/apic.c:1106
asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:649
RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:152 [inline]
RIP: 0010:_raw_spin_unlock_irqrestore+0x38/0x70 kernel/locking/spinlock.c:194
Code: 74 24 10 e8 4a 2e dc f7 48 89 ef e8 d2 af dc f7 81 e3 00 02 00 00 75 25 9c 58 f6 c4 02 75 2d 48 85 db 74 01 fb bf 01 00 00 00 83 71 cf f7 65 8b 05 6c 27 7f 76 85 c0 74 0a 5b 5d c3 e8 40 38
RSP: 0018:ffffc90043b4eac8 EFLAGS: 00000206
RAX: 0000000000000002 RBX: 0000000000000200 RCX: 1ffffffff211db76
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000001
RBP: ffff8880b9b283c0 R08: 0000000000000001 R09: ffffffff908e5957
R10: 0000000000000001 R11: 0000000000000000 R12: 00000000ffffd140
R13: ffff8880b9b283c0 R14: 0000000000000000 R15: 00000000ffffffff
__mod_timer+0x837/0xe30 kernel/time/timer.c:1118
schedule_timeout+0x145/0x2a0 kernel/time/timer.c:1934
reclaim_throttle+0x753/0xa40 mm/vmscan.c:1162
shrink_inactive_list mm/vmscan.c:2421 [inline]
shrink_list mm/vmscan.c:2674 [inline]
shrink_lruvec+0xa83/0x2650 mm/vmscan.c:2991
shrink_node_memcgs mm/vmscan.c:3180 [inline]
shrink_node+0x85e/0x1e80 mm/vmscan.c:3304
shrink_zones mm/vmscan.c:3542 [inline]
do_try_to_free_pages+0x3b4/0x17a0 mm/vmscan.c:3601
try_to_free_pages+0x2a7/0x840 mm/vmscan.c:3836
__perform_reclaim mm/page_alloc.c:4726 [inline]
__alloc_pages_direct_reclaim mm/page_alloc.c:4748 [inline]
__alloc_pages_slowpath.constprop.0+0x8f8/0x2240 mm/page_alloc.c:5151
__alloc_pages+0x43d/0x510 mm/page_alloc.c:5528
alloc_pages+0x1a6/0x270 mm/mempolicy.c:2270
alloc_slab_page mm/slub.c:1824 [inline]
allocate_slab+0x27e/0x3d0 mm/slub.c:1969
new_slab mm/slub.c:2029 [inline]
___slab_alloc+0x7f1/0xe10 mm/slub.c:3031
__slab_alloc.constprop.0+0x4d/0xa0 mm/slub.c:3118
slab_alloc_node mm/slub.c:3209 [inline]
slab_alloc mm/slub.c:3251 [inline]
__kmem_cache_alloc_lru mm/slub.c:3258 [inline]
kmem_cache_alloc+0x38c/0x3b0 mm/slub.c:3268
anon_vma_chain_alloc mm/rmap.c:141 [inline]
anon_vma_clone+0x35a/0x600 mm/rmap.c:291
anon_vma_fork+0x82/0x640 mm/rmap.c:350
dup_mmap kernel/fork.c:658 [inline]
dup_mm+0xa52/0x13a0 kernel/fork.c:1525
copy_mm kernel/fork.c:1577 [inline]
copy_process+0x3ca6/0x7090 kernel/fork.c:2254
kernel_clone+0xe7/0xab0 kernel/fork.c:2671
__do_sys_clone3+0x1cd/0x2e0 kernel/fork.c:2963
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f9b5a688e99
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f9b5b7be168 EFLAGS: 00000246 ORIG_RAX: 00000000000001b3
RAX: ffffffffffffffda RBX: 00007f9b5a79bf60 RCX: 00007f9b5a688e99
RDX: 0000000000000000 RSI: 0000000000000058 RDI: 0000000020000080
RBP: 00007f9b5a6e2ff1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffd5c3a5eef R14: 00007f9b5b7be300 R15: 0000000000022000
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f9b5b7be168 EFLAGS: 00000246 ORIG_RAX: 00000000000001b3
RAX: ffffffffffffffda RBX: 00007f9b5a79bf60 RCX: 00007f9b5a688e99
RDX: 0000000000000000 RSI: 0000000000000058 RDI: 0000000020000080
RBP: 00007f9b5a6e2ff1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffd5c3a5eef R14: 00007f9b5b7be300 R15: 0000000000022000