[18848]     0 18848    18246    10999      34       4        0          1000 syz-executor.0
[19144]     0 19144    18246    10794      34       4        0          1000 syz-executor.0
[19198]     0 19198    18246    10238      34       4        0          1000 syz-executor.0
INFO: rcu_preempt detected stalls on CPUs/tasks:
	Tasks blocked on level-0 rcu_node (CPUs 0-1): P22480
	(detected by 1, t=10503 jiffies, g=82112, c=82111, q=11)
syz-executor.1  R  running task    27120 22480  22479 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]
 __page_cache_alloc include/linux/pagemap.h:226 [inline]
 pagecache_get_page+0x246/0x7e0 mm/filemap.c:1517
 filemap_fault+0x8da/0x18a0 mm/filemap.c:2518
 ext4_filemap_fault+0x84/0xb0 fs/ext4/inode.c:6233
 __do_fault+0x100/0x380 mm/memory.c:3223
 do_read_fault mm/memory.c:3633 [inline]
 do_fault mm/memory.c:3759 [inline]
 handle_pte_fault mm/memory.c:3989 [inline]
 __handle_mm_fault+0x9bf/0x2700 mm/memory.c:4113
 handle_mm_fault+0x2f1/0x6da mm/memory.c:4150
 __do_page_fault+0x477/0xbb0 arch/x86/mm/fault.c:1420
 page_fault+0x42/0x50 arch/x86/entry/entry_64.S:1122
RIP: 4c0d31:0x4d38c8
RSP: 0005:000000000075c118 EFLAGS: 7ffb1a9b46d4
syz-executor.1  R  running task    27120 22480  22479 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]
 __page_cache_alloc include/linux/pagemap.h:226 [inline]
 pagecache_get_page+0x246/0x7e0 mm/filemap.c:1517
 filemap_fault+0x8da/0x18a0 mm/filemap.c:2518
 ext4_filemap_fault+0x84/0xb0 fs/ext4/inode.c:6233
 __do_fault+0x100/0x380 mm/memory.c:3223
 do_read_fault mm/memory.c:3633 [inline]
 do_fault mm/memory.c:3759 [inline]
 handle_pte_fault mm/memory.c:3989 [inline]
 __handle_mm_fault+0x9bf/0x2700 mm/memory.c:4113
 handle_mm_fault+0x2f1/0x6da mm/memory.c:4150
 __do_page_fault+0x477/0xbb0 arch/x86/mm/fault.c:1420
 page_fault+0x42/0x50 arch/x86/entry/entry_64.S:1122
RIP: 4c0d31:0x4d38c8
RSP: 0005:000000000075c118 EFLAGS: 7ffb1a9b46d4
[19479]     0 19479    18246    10038      34       4        0          1000 syz-executor.0
[19526]     0 19526    18213    10869      34       4        0          1000 syz-executor.0
[19816]     0 19816    18213    10222      34       4        0          1000 syz-executor.0
[19862]     0 19862    18246     9784      34       4        0          1000 syz-executor.0
[19895]     0 19895    18246    12120      34       4        0          1000 syz-executor.0
[20262]     0 20262    18213    10025      34       4        0          1000 syz-executor.0
[20322]     0 20322    18246    11775      34       4        0          1000 syz-executor.0
[20392]     0 20392    18213    11789      34       4        0          1000 syz-executor.0
[20496]     0 20496    18246    11080      34       4        0          1000 syz-executor.0
[20663]     0 20663    18213     9333      34       4        0          1000 syz-executor.0
[20719]     0 20719    18213     9294      34       4        0          1000 syz-executor.0