rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	(detected by 1, t=10502 jiffies, g=9945, q=1185 ncpus=2)
rcu: All QSes seen, last rcu_preempt kthread activity 10501 (4294957035-4294946534), jiffies_till_next_fqs=1, root ->qsmask 0x0
rcu: rcu_preempt kthread starved for 10502 jiffies! g9945 f0x2 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:25656 pid:17    tgid:17    ppid:2      flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5376 [inline]
 __schedule+0x19aa/0x4aa0 kernel/sched/core.c:6688
 __schedule_loop kernel/sched/core.c:6763 [inline]
 schedule+0x145/0x250 kernel/sched/core.c:6778
 schedule_timeout+0x1b9/0x300 kernel/time/timer.c:2167
 rcu_gp_fqs_loop+0x306/0x14f0 kernel/rcu/tree.c:1631
 rcu_gp_kthread+0xa3/0x3a0 kernel/rcu/tree.c:1830
 kthread+0x2cf/0x360 kernel/kthread.c:388
 ret_from_fork+0x44/0x70 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:242
 </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: 5732 Comm: syz-executor.1 Not tainted 6.7.0-rc4-syzkaller-00358-gf2e8a57ee903 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023
RIP: 0010:kasan_check_range+0x1ba/0x290 mm/kasan/generic.c:187
Code: 07 48 85 ed 48 0f 49 dd 48 83 e3 f8 48 29 dd 74 12 41 80 3b 00 0f 85 a2 00 00 00 49 ff c3 48 ff cd 75 ee 5b 41 5c 41 5e 41 5f <5d> c3 40 84 ed 75 5f f7 c5 00 ff 00 00 75 5c f7 c5 00 00 ff 00 75
RSP: 0018:ffffc900093a7b70 EFLAGS: 00000056
RAX: 0000000000000001 RBX: 0000000000000000 RCX: ffffffff816ca800
RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff8e9b9228
RBP: 0000000000000000 R08: ffffffff8e9b922f R09: 1ffffffff1d37245
R10: dffffc0000000000 R11: fffffbfff1d37246 R12: 1ffff92001274f78
R13: dffffc0000000000 R14: 0000000000000000 R15: dffffc0000000000
FS:  00007efdea2f76c0(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007efdea2f6f00 CR3: 0000000019ba7000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <TASK>
 instrument_atomic_read include/linux/instrumented.h:68 [inline]
 _test_bit include/asm-generic/bitops/instrumented-non-atomic.h:141 [inline]
 cpumask_test_cpu include/linux/cpumask.h:504 [inline]
 cpu_online include/linux/cpumask.h:1104 [inline]
 trace_lock_acquire include/trace/events/lock.h:24 [inline]
 lock_acquire+0xd0/0x520 kernel/locking/lockdep.c:5725
 __raw_spin_lock_irq include/linux/spinlock_api_smp.h:119 [inline]
 _raw_spin_lock_irq+0xcf/0x110 kernel/locking/spinlock.c:170
 spin_lock_irq include/linux/spinlock.h:376 [inline]
 __set_current_blocked+0x11a/0x370 kernel/signal.c:3093
 __do_sys_rt_sigreturn+0x16b/0x240 arch/x86/kernel/signal_64.c:261
 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: 0033:0x7efde9640019
Code: 64 c7 00 16 00 00 00 b8 ff ff ff ff c3 0f 1f 40 00 90 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 c7 c0 0f 00 00 00 0f 05 <0f> 1f 80 00 00 00 00 48 81 ec 48 01 00 00 49 89 d0 64 48 8b 04 25
RSP: 002b:00007efdea2f6b40 EFLAGS: 00000206 ORIG_RAX: 000000000000000f
RAX: ffffffffffffffda RBX: 00007efde979bf80 RCX: 00007efde9640019
RDX: 00007efdea2f6b40 RSI: 00007efdea2f6c70 RDI: 0000000000000021
RBP: 00007efde96c847a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000000
R13: 000000000000000b R14: 00007efde979bf80 R15: 00007ffefa0e33a8
 </TASK>
sched: RT throttling activated