rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	(detected by 1, t=10502 jiffies, g=14081, q=456 ncpus=2)
rcu: All QSes seen, last rcu_preempt kthread activity 10502 (4294960168-4294949666), jiffies_till_next_fqs=1, root ->qsmask 0x0
rcu: rcu_preempt kthread timer wakeup didn't happen for 10501 jiffies! g14081 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x200
rcu: 	Possible timer handling issue on cpu=0 timer-softirq=6832
rcu: rcu_preempt kthread starved for 10502 jiffies! g14081 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x200 ->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 stack:24912 pid:17    tgid:17    ppid:2      flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5407 [inline]
 __schedule+0x17ae/0x4a10 kernel/sched/core.c:6748
 __schedule_loop kernel/sched/core.c:6825 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6840
 schedule_timeout+0x1be/0x310 kernel/time/timer.c:2581
 rcu_gp_fqs_loop+0x2df/0x1330 kernel/rcu/tree.c:2034
 rcu_gp_kthread+0xa7/0x3b0 kernel/rcu/tree.c:2236
 kthread+0x2f0/0x390 kernel/kthread.c:389
 ret_from_fork+0x4b/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:
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 0 Comm: swapper/0 Not tainted 6.10.0-syzkaller-01155-gd67978318827 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
RIP: 0010:__kasan_check_read+0xa/0x20 mm/kasan/shadow.c:31
Code: db eb d0 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 89 f6 48 8b 0c 24 <31> d2 e9 6f e6 ff ff 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00
RSP: 0018:ffffc90000007a20 EFLAGS: 00000003
RAX: 0000000000000001 RBX: 0000000000000067 RCX: ffffffff817301fa
RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff92f7c5c8
RBP: 0000000000000000 R08: ffffffff92f7c5cf R09: 1ffffffff25ef8b9
R10: dffffc0000000000 R11: fffffbfff25ef8ba R12: 0000000000000001
R13: dffffc0000000000 R14: 0000000000000001 R15: ffffffff8e095160
FS:  0000000000000000(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f9561defd58 CR3: 000000007d6be000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 instrument_atomic_read include/linux/instrumented.h:68 [inline]
 _test_bit include/asm-generic/bitops/instrumented-non-atomic.h:141 [inline]
 hlock_class kernel/locking/lockdep.c:228 [inline]
 mark_lock+0x9a/0x350 kernel/locking/lockdep.c:4656
 mark_usage kernel/locking/lockdep.c:4564 [inline]
 __lock_acquire+0xb8e/0x1fd0 kernel/locking/lockdep.c:5091
 lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5754
 __raw_spin_lock_irq include/linux/spinlock_api_smp.h:119 [inline]
 _raw_spin_lock_irq+0xd3/0x120 kernel/locking/spinlock.c:170
 __run_hrtimer kernel/time/hrtimer.c:1693 [inline]
 __hrtimer_run_queues+0x670/0xd50 kernel/time/hrtimer.c:1753
 hrtimer_interrupt+0x396/0x990 kernel/time/hrtimer.c:1815
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1032 [inline]
 __sysvec_apic_timer_interrupt+0x110/0x3f0 arch/x86/kernel/apic/apic.c:1049
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1043 [inline]
 sysvec_apic_timer_interrupt+0xa1/0xc0 arch/x86/kernel/apic/apic.c:1043
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:finish_task_switch+0x1ea/0x870 kernel/sched/core.c:5281
Code: c9 50 e8 29 cb 0b 00 48 83 c4 08 4c 89 f7 e8 bd 38 00 00 0f 1f 44 00 00 4c 89 f7 e8 90 93 22 0a e8 2b fd 36 00 fb 48 8b 5d c0 <48> 8d bb f8 15 00 00 48 89 f8 48 c1 e8 03 49 be 00 00 00 00 00 fc
RSP: 0018:ffffffff8e007b08 EFLAGS: 00000286
RAX: bbdf98879d464f00 RBX: ffffffff8e094680 RCX: ffffffff94774703
RDX: dffffc0000000000 RSI: ffffffff8bcabbc0 RDI: ffffffff8c1f54e0
RBP: ffffffff8e007b50 R08: ffffffff8fac7fef R09: 1ffffffff1f58ffd
R10: dffffc0000000000 R11: fffffbfff1f58ffe R12: 1ffff11017287e9b
R13: dffffc0000000000 R14: ffff8880b943e740 R15: ffff8880b943f4d8
 context_switch kernel/sched/core.c:5410 [inline]
 __schedule+0x17b6/0x4a10 kernel/sched/core.c:6748
 schedule_idle+0x53/0x90 kernel/sched/core.c:6866
 do_idle+0x56a/0x5d0 kernel/sched/idle.c:360
 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>