[20488]     0 20488    18213     8750      26       4        0          1000 syz-executor.3
[20491]     0 20491    18180     8748      26       4        0          1000 syz-executor.2
[20534]     0 20534    18247     8752      26       4        0          1000 syz-executor.3
INFO: rcu_preempt detected stalls on CPUs/tasks:
	Tasks blocked on level-0 rcu_node (CPUs 0-1): P1836
	(detected by 0, t=10503 jiffies, g=82725, c=82724, q=1396)
syz-executor.5  R  running task    25312  1836   1827 0x00000000
Call Trace:
 preempt_schedule_common+0x4f/0xd0 kernel/sched/core.c:3579
 ___preempt_schedule+0x16/0x18
 __raw_spin_unlock include/linux/spinlock_api_smp.h:152 [inline]
 _raw_spin_unlock+0x3b/0x40 kernel/locking/spinlock.c:184
 spin_unlock include/linux/spinlock.h:357 [inline]
 task_unlock include/linux/sched/task.h:136 [inline]
 dump_tasks mm/oom_kill.c:403 [inline]
 dump_header+0x7bb/0x848 mm/oom_kill.c:428
 oom_kill_process.cold+0x10/0xde6 mm/oom_kill.c:861
 out_of_memory mm/oom_kill.c:1084 [inline]
 out_of_memory+0x2d2/0xab0 mm/oom_kill.c:1023
 __alloc_pages_may_oom mm/page_alloc.c:3415 [inline]
 __alloc_pages_slowpath mm/page_alloc.c:4112 [inline]
 __alloc_pages_nodemask+0x1988/0x2370 mm/page_alloc.c:4277
 __alloc_pages include/linux/gfp.h:484 [inline]
 __alloc_pages_node include/linux/gfp.h:497 [inline]
 alloc_pages_node include/linux/gfp.h:511 [inline]
 alloc_thread_stack_node kernel/fork.c:243 [inline]
 dup_task_struct kernel/fork.c:529 [inline]
 copy_process.part.0+0x2c9/0x66c0 kernel/fork.c:1729
 copy_process kernel/fork.c:1679 [inline]
 _do_fork+0x197/0xce0 kernel/fork.c:2220
 do_syscall_64+0x19b/0x520 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x4587ea
RSP: 002b:00007ffee4856420 EFLAGS: 00000246 ORIG_RAX: 0000000000000038
RAX: ffffffffffffffda RBX: 00007ffee4856420 RCX: 00000000004587ea
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011
RBP: 00007ffee4856460 R08: 0000000000000001 R09: 0000000002544940
R10: 0000000002544c10 R11: 0000000000000246 R12: 0000000000000001
R13: 0000000000000000 R14: 0000000000000000 R15: 00007ffee48564b0
syz-executor.5  R  running task    25312  1836   1827 0x00000000
Call Trace:
 preempt_schedule_common+0x4f/0xd0 kernel/sched/core.c:3579
 ___preempt_schedule+0x16/0x18
 __raw_spin_unlock include/linux/spinlock_api_smp.h:152 [inline]
 _raw_spin_unlock+0x3b/0x40 kernel/locking/spinlock.c:184
 spin_unlock include/linux/spinlock.h:357 [inline]
 task_unlock include/linux/sched/task.h:136 [inline]
 dump_tasks mm/oom_kill.c:403 [inline]
 dump_header+0x7bb/0x848 mm/oom_kill.c:428
 oom_kill_process.cold+0x10/0xde6 mm/oom_kill.c:861
 out_of_memory mm/oom_kill.c:1084 [inline]
 out_of_memory+0x2d2/0xab0 mm/oom_kill.c:1023
 __alloc_pages_may_oom mm/page_alloc.c:3415 [inline]
 __alloc_pages_slowpath mm/page_alloc.c:4112 [inline]
 __alloc_pages_nodemask+0x1988/0x2370 mm/page_alloc.c:4277
 __alloc_pages include/linux/gfp.h:484 [inline]
 __alloc_pages_node include/linux/gfp.h:497 [inline]
 alloc_pages_node include/linux/gfp.h:511 [inline]
 alloc_thread_stack_node kernel/fork.c:243 [inline]
 dup_task_struct kernel/fork.c:529 [inline]
 copy_process.part.0+0x2c9/0x66c0 kernel/fork.c:1729
 copy_process kernel/fork.c:1679 [inline]
 _do_fork+0x197/0xce0 kernel/fork.c:2220
 do_syscall_64+0x19b/0x520 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x4587ea
RSP: 002b:00007ffee4856420 EFLAGS: 00000246 ORIG_RAX: 0000000000000038
RAX: ffffffffffffffda RBX: 00007ffee4856420 RCX: 00000000004587ea
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011
RBP: 00007ffee4856460 R08: 0000000000000001 R09: 0000000002544940
R10: 0000000002544c10 R11: 0000000000000246 R12: 0000000000000001
R13: 0000000000000000 R14: 0000000000000000 R15: 00007ffee48564b0
[20615]     0 20615    18247     8940      26       4        0          1000 syz-executor.3
[20638]     0 20638    18214     8749      26       4        0          1000 syz-executor.1
[20648]     0 20648    18181     8748      26       4        0          1000 syz-executor.2
[20651]     0 20651    18247     9134      26       4        0          1000 syz-executor.3
[20678]     0 20678    18181     8748      26       4        0          1000 syz-executor.2
[20721]     0 20721    18214     8750      26       4        0          1000 syz-executor.1
[20729]     0 20729    18181     8748      26       4        0          1000 syz-executor.2
[20734]     0 20734    18247    10685      29       4        0          1000 syz-executor.3
[20756]     0 20756    18180     8748      26       4        0          1000 syz-executor.2
[20799]     0 20799    18181     8748      26       4        0          1000 syz-executor.2
[20815]     0 20815    18247     8946      26       4        0          1000 syz-executor.3
[20843]     0 20843    18181     8748      26       4        0          1000 syz-executor.2
[20861]     0 20861    18246     8805      26       4        0          1000 syz-executor.3
[20866]     0 20866    18181     8748      26       4        0          1000 syz-executor.2
[20920]     0 20920    18180     8748      26       4        0          1000 syz-executor.0
[20923]     0 20923    18181     8747      26       4        0          1000 syz-executor.2
[20948]     0 20948    18279     8849      26       4        0          1000 syz-executor.3
[20968]     0 20968    18214     8750      26       4        0          1000 syz-executor.1
[20976]     0 20976    18247     9043      26       4        0          1000 syz-executor.3
[21032]     0 21032    18181     8748      26       4        0          1000 syz-executor.0
[21041]     0 21041    18214     8749      26       4        0          1000 syz-executor.1