rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	Tasks blocked on level-0 rcu_node (CPUs 0-1): P5370/1:b..l
rcu: 	(detected by 0, t=10502 jiffies, g=10105, q=986 ncpus=2)
task:modprobe        state:R  running task     stack:23680 pid:5370  tgid:5370  ppid:1294   flags:0x00000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5408 [inline]
 __schedule+0x17e8/0x4a20 kernel/sched/core.c:6745
 preempt_schedule_irq+0xfb/0x1c0 kernel/sched/core.c:7067
 irqentry_exit+0x5e/0x90 kernel/entry/common.c:354
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:lock_is_held_type+0x13b/0x190
Code: 75 44 48 c7 04 24 00 00 00 00 9c 8f 04 24 f7 04 24 00 02 00 00 75 4c 41 f7 c4 00 02 00 00 74 01 fb 65 48 8b 04 25 28 00 00 00 <48> 3b 44 24 08 75 42 89 d8 48 83 c4 10 5b 41 5c 41 5d 41 5e 41 5f
RSP: 0018:ffffc90004527658 EFLAGS: 00000206
RAX: 25752528d257ed00 RBX: 0000000000000001 RCX: ffff888018b31e00
RDX: 0000000000000000 RSI: ffffffff8bcacd00 RDI: ffffffff8c1ff840
RBP: 0000000000000000 R08: ffffffff8b7c81de R09: ffffffff8b7c8305
R10: 0000000000000003 R11: ffff888018b31e00 R12: 0000000000000246
R13: ffff888018b31e00 R14: 00000000ffffffff R15: ffff88806f59ea18
 lock_is_held include/linux/lockdep.h:231 [inline]
 mt_locked lib/maple_tree.c:781 [inline]
 mt_slot lib/maple_tree.c:788 [inline]
 mas_slot lib/maple_tree.c:821 [inline]
 mt_validate_nulls lib/maple_tree.c:7545 [inline]
 mt_validate+0x4286/0x4aa0 lib/maple_tree.c:7599
 validate_mm+0xe7/0x530 mm/mmap.c:288
 __split_vma+0xaca/0xc30 mm/mmap.c:2440
 split_vma mm/mmap.c:2466 [inline]
 vma_modify+0x268/0x350 mm/mmap.c:2507
 vma_modify_flags include/linux/mm.h:3347 [inline]
 mprotect_fixup+0x3ea/0xa90 mm/mprotect.c:637
 do_mprotect_pkey+0x908/0xe00 mm/mprotect.c:820
 __do_sys_mprotect mm/mprotect.c:841 [inline]
 __se_sys_mprotect mm/mprotect.c:838 [inline]
 __x64_sys_mprotect+0x80/0x90 mm/mprotect.c:838
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fe70a53ebb7
RSP: 002b:00007ffeb3d85a08 EFLAGS: 00000206 ORIG_RAX: 000000000000000a
RAX: ffffffffffffffda RBX: 00007fe70a51bfc0 RCX: 00007fe70a53ebb7
RDX: 0000000000000001 RSI: 0000000000001000 RDI: 00007fe70a293000
RBP: 00007ffeb3d85b20 R08: 00007ffeb3d85998 R09: 00007fe70a51b5c0
R10: 00007fe70a272168 R11: 0000000000000206 R12: 00007fe70a51bfc0
R13: 00007fe70a546eda R14: 00007fe70a293f40 R15: 00007fe70a293740
 </TASK>
rcu: rcu_preempt kthread starved for 10007 jiffies! g10105 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:26048 pid:17    tgid:17    ppid:2      flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5408 [inline]
 __schedule+0x17e8/0x4a20 kernel/sched/core.c:6745
 __schedule_loop kernel/sched/core.c:6822 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6837
 schedule_timeout+0x1be/0x310 kernel/time/timer.c:2581
 rcu_gp_fqs_loop+0x2df/0x1330 kernel/rcu/tree.c:2000
 rcu_gp_kthread+0xa7/0x3b0 kernel/rcu/tree.c:2202
 kthread+0x2f2/0x390 kernel/kthread.c:389
 ret_from_fork+0x4d/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
 </TASK>
rcu: Stack dump where RCU GP kthread last ran:
CPU: 0 PID: 0 Comm: swapper/0 Not tainted 6.10.0-rc3-syzkaller-00044-g2ccbdf43d5e7 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
RIP: 0010:native_irq_disable arch/x86/include/asm/irqflags.h:37 [inline]
RIP: 0010:arch_local_irq_disable arch/x86/include/asm/irqflags.h:72 [inline]
RIP: 0010:acpi_safe_halt+0x21/0x30 drivers/acpi/processor_idle.c:113
Code: 90 90 90 90 90 90 90 90 90 65 48 8b 04 25 00 d5 03 00 48 f7 00 08 00 00 00 75 10 eb 07 0f 00 2d e5 b9 a2 00 f3 0f 1e fa fb f4 <fa> e9 84 72 29 00 66 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90
RSP: 0018:ffffffff8e007ca8 EFLAGS: 00000246
RAX: ffffffff8e094680 RBX: ffff888018ee5864 RCX: 00000000000564d1
RDX: 0000000000000001 RSI: ffff888018ee5800 RDI: ffff888018ee5864
RBP: 000000000003a5b8 R08: ffff8880b9437d0b R09: 1ffff11017286fa1
R10: dffffc0000000000 R11: ffffffff8b86ca30 R12: ffff88801bba9800
R13: 0000000000000000 R14: 0000000000000001 R15: ffffffff8eace760
FS:  0000000000000000(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020000140 CR3: 000000007b1d8000 CR4: 0000000000350ef0
Call Trace:
 <IRQ>
 </IRQ>
 <TASK>
 acpi_idle_enter+0xe4/0x140 drivers/acpi/processor_idle.c:707
 cpuidle_enter_state+0x114/0x480 drivers/cpuidle/cpuidle.c:267
 cpuidle_enter+0x5d/0xa0 drivers/cpuidle/cpuidle.c:388
 call_cpuidle kernel/sched/idle.c:155 [inline]
 cpuidle_idle_call kernel/sched/idle.c:236 [inline]
 do_idle+0x375/0x5d0 kernel/sched/idle.c:332
 cpu_startup_entry+0x42/0x60 kernel/sched/idle.c:430
 rest_init+0x2dc/0x300 init/main.c:747
 start_kernel+0x47a/0x500 init/main.c:1103
 x86_64_start_reservations+0x2a/0x30 arch/x86/kernel/head64.c:507
 x86_64_start_kernel+0x99/0xa0 arch/x86/kernel/head64.c:488
 common_startup_64+0x13e/0x147
 </TASK>