rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	Tasks blocked on level-0 rcu_node (CPUs 0-1): P5808/1:b..l
rcu: 	(detected by 1, t=10502 jiffies, g=12073, q=936 ncpus=2)
task:modprobe        state:R  running task     stack:24992 pid:5808  tgid:5808  ppid:1089   flags:0x00000000
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:mt_locked lib/maple_tree.c:781 [inline]
RIP: 0010:mt_slot lib/maple_tree.c:788 [inline]
RIP: 0010:mas_slot lib/maple_tree.c:821 [inline]
RIP: 0010:mas_get_slot+0x12b/0x250 lib/maple_tree.c:7057
Code: 03 42 0f b6 04 38 84 c0 0f 85 17 01 00 00 b8 00 03 00 00 8b 6d 00 21 c5 bf 00 03 00 00 89 ee e8 2b d0 17 f6 81 fd 00 03 00 00 <75> 4c 4c 89 e0 48 c1 e8 03 42 80 3c 38 00 74 08 4c 89 e7 e8 3d 90
RSP: 0018:ffffc9001543f6d0 EFLAGS: 00000246
RAX: 0000000000000000 RBX: ffff888022f47a50 RCX: ffff888020815a00
RDX: ffff888020815a00 RSI: 0000000000000300 RDI: 0000000000000300
RBP: 0000000000000300 R08: ffffffff8b7e5b15 R09: ffffffff8b7e5a4b
R10: 0000000000000004 R11: ffff888020815a00 R12: ffff88802e8655c0
R13: ffffffffffffffff R14: ffff888022f4780c R15: dffffc0000000000
 mt_validate+0x27d2/0x4aa0 lib/maple_tree.c:7596
 validate_mm+0xe7/0x530 mm/mmap.c:288
 mmap_region+0x1a61/0x2090 mm/mmap.c:3000
 do_mmap+0x8ad/0xfa0 mm/mmap.c:1397
 vm_mmap_pgoff+0x1dd/0x3d0 mm/util.c:573
 ksys_mmap_pgoff+0x4f1/0x720 mm/mmap.c:1443
 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: 0033:0x7fdd4c7e0b74
RSP: 002b:00007ffe20b80568 EFLAGS: 00000246 ORIG_RAX: 0000000000000009
RAX: ffffffffffffffda RBX: 00007ffe20b80618 RCX: 00007fdd4c7e0b74
RDX: 0000000000000003 RSI: 0000000000004000 RDI: 00007fdd4c7b9000
RBP: 00007ffe20b808d0 R08: 0000000000000000 R09: 00000000000be000
R10: 0000000000000812 R11: 0000000000000246 R12: 00007fdd4c7bd0c0
R13: 00007ffe20b80958 R14: 00000000000be138 R15: 0000000000000000
 </TASK>
rcu: rcu_preempt kthread starved for 10236 jiffies! g12073 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1
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:26128 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: 1 PID: 0 Comm: swapper/1 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:ffffc900001a7d08 EFLAGS: 00000246
RAX: ffff8880176e0000 RBX: ffff88801d280864 RCX: 00000000000a8fc9
RDX: 0000000000000001 RSI: ffff88801d280800 RDI: ffff88801d280864
RBP: 000000000003a5b8 R08: ffff8880b9537d0b R09: 1ffff110172a6fa1
R10: dffffc0000000000 R11: ffffffff8b86ca30 R12: ffff88801a7ba000
R13: 0000000000000000 R14: 0000000000000001 R15: ffffffff8eace760
FS:  0000000000000000(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffd263c9f18 CR3: 000000001e7ba000 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
 start_secondary+0x100/0x100 arch/x86/kernel/smpboot.c:313
 common_startup_64+0x13e/0x147
 </TASK>