rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P1513/1:b..l
rcu: (detected by 1, t=10502 jiffies, g=130589, q=13 ncpus=2)
task:syz-executor.0 state:R running task stack:27824 pid:1513 tgid:1513 ppid:5098 flags:0x00004002
Call Trace:
context_switch kernel/sched/core.c:5376 [inline]
__schedule+0xedb/0x5af0 kernel/sched/core.c:6688
preempt_schedule_irq+0x52/0x90 kernel/sched/core.c:7008
irqentry_exit+0x36/0x80 kernel/entry/common.c:432
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:649
RIP: 0010:lock_acquire+0x1ef/0x520 kernel/locking/lockdep.c:5722
Code: c1 05 4d 92 9b 7e 83 f8 01 0f 85 b4 02 00 00 9c 58 f6 c4 02 0f 85 9f 02 00 00 48 85 ed 74 01 fb 48 b8 00 00 00 00 00 fc ff df <48> 01 c3 48 c7 03 00 00 00 00 48 c7 43 08 00 00 00 00 48 8b 84 24
RSP: 0018:ffffc9000422f870 EFLAGS: 00000206
RAX: dffffc0000000000 RBX: 1ffff92000845f10 RCX: 00000000cd22ad84
RDX: 0000000000000001 RSI: ffffffff8acca240 RDI: ffffffff8b2ed520
RBP: 0000000000000200 R08: 0000000000000000 R09: fffffbfff23e21d0
R10: ffffffff91f10e87 R11: 0000000000000001 R12: 0000000000000000
R13: 0000000000000000 R14: ffffffff8cfa7d60 R15: 0000000000000000
rcu_lock_acquire include/linux/rcupdate.h:301 [inline]
rcu_read_lock include/linux/rcupdate.h:747 [inline]
percpu_ref_put_many.constprop.0+0x2f/0x1b0 include/linux/percpu-refcount.h:330
percpu_ref_put include/linux/percpu-refcount.h:351 [inline]
obj_cgroup_put include/linux/memcontrol.h:816 [inline]
uncharge_folio+0x3dd/0x520 mm/memcontrol.c:7416
__mem_cgroup_uncharge_list+0xe5/0x170 mm/memcontrol.c:7456
mem_cgroup_uncharge_list include/linux/memcontrol.h:714 [inline]
release_pages+0x31b/0x14f0 mm/swap.c:1041
tlb_batch_pages_flush+0x9a/0x190 mm/mmu_gather.c:98
tlb_flush_mmu_free mm/mmu_gather.c:293 [inline]
tlb_flush_mmu mm/mmu_gather.c:300 [inline]
tlb_finish_mmu+0x14b/0x6f0 mm/mmu_gather.c:392
exit_mmap+0x38b/0xa70 mm/mmap.c:3321
__mmput+0x12a/0x4d0 kernel/fork.c:1349
mmput+0x62/0x70 kernel/fork.c:1371
exit_mm kernel/exit.c:567 [inline]
do_exit+0x9a5/0x2ad0 kernel/exit.c:856
do_group_exit+0xd4/0x2a0 kernel/exit.c:1018
__do_sys_exit_group kernel/exit.c:1029 [inline]
__se_sys_exit_group kernel/exit.c:1027 [inline]
__x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1027
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0x40/0x110 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x63/0x6b
RIP: 0033:0x7ff137e7cce9
RSP: 002b:00007ffdfdf7d478 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 000000000000001e RCX: 00007ff137e7cce9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000001 R08: 00000000000006f2 R09: 0000000000000000
R10: 0000001b32020000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
rcu: rcu_preempt kthread starved for 10185 jiffies! g130589 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->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:R running task stack:27088 pid:16 tgid:16 ppid:2 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:5376 [inline]
__schedule+0xedb/0x5af0 kernel/sched/core.c:6688
__schedule_loop kernel/sched/core.c:6763 [inline]
schedule+0xe9/0x270 kernel/sched/core.c:6778
schedule_timeout+0x137/0x290 kernel/time/timer.c:2167
rcu_gp_fqs_loop+0x1ec/0xb10 kernel/rcu/tree.c:1631
rcu_gp_kthread+0x24b/0x380 kernel/rcu/tree.c:1830
kthread+0x2c6/0x3a0 kernel/kthread.c:388
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:242
rcu: Stack dump where RCU GP kthread last ran:
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0 skipped: idling at native_safe_halt arch/x86/include/asm/irqflags.h:48 [inline]
NMI backtrace for cpu 0 skipped: idling at arch_safe_halt arch/x86/include/asm/irqflags.h:86 [inline]
NMI backtrace for cpu 0 skipped: idling at acpi_safe_halt+0x1b/0x20 drivers/acpi/processor_idle.c:112