rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	(detected by 1, t=10502 jiffies, g=9513, q=11 ncpus=2)
rcu: All QSes seen, last rcu_preempt kthread activity 10503 (4294971783-4294961280), jiffies_till_next_fqs=1, root ->qsmask 0x0
rcu: rcu_preempt kthread starved for 10504 jiffies! g9513 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:28336 pid:16    tgid:16    ppid:2      flags:0x00004000
Call Trace:
 <TASK>
 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
 </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: 5322 Comm: syz-executor859 Not tainted 6.7.0-rc8-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023
RIP: 0010:__lock_release kernel/locking/lockdep.c:5438 [inline]
RIP: 0010:lock_release+0x21c/0x690 kernel/locking/lockdep.c:5774
Code: e6 4c 89 ff e8 a5 0e ff ff 48 85 c0 48 89 c3 0f 84 9e 02 00 00 48 8d 78 24 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <0f> b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 fc
RSP: 0018:ffffc900039bf8f8 EFLAGS: 00000803
RAX: dffffc0000000000 RBX: ffff888076db0b90 RCX: ffffc900039bf948
RDX: 1ffff1100edb6176 RSI: ffffffff8cfd4048 RDI: ffff888076db0bb4
RBP: 1ffff92000737f21 R08: 0000000000000000 R09: fffffbfff1e30e5a
R10: ffffffff8f1872d7 R11: 0000000000000002 R12: ffffffff8cfd4048
R13: 0000000000000003 R14: ffff888076db0b38 R15: ffff888076db0080
FS:  0000555556c283c0(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f79c20ca174 CR3: 0000000079920000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <TASK>
 seqcount_lockdep_reader_access include/linux/seqlock.h:103 [inline]
 timekeeping_get_delta kernel/time/timekeeping.c:254 [inline]
 timekeeping_get_ns kernel/time/timekeeping.c:388 [inline]
 ktime_get+0x13d/0x490 kernel/time/timekeeping.c:848
 clockevents_program_min_delta+0x82/0x390 kernel/time/clockevents.c:241
 clockevents_program_event+0x296/0x370 kernel/time/clockevents.c:336
 tick_program_event+0xa5/0x130 kernel/time/tick-oneshot.c:44
 __hrtimer_reprogram kernel/time/hrtimer.c:683 [inline]
 __hrtimer_reprogram kernel/time/hrtimer.c:657 [inline]
 hrtimer_reprogram+0x283/0x460 kernel/time/hrtimer.c:868
 hrtimer_start_range_ns+0x7e5/0xdc0 kernel/time/hrtimer.c:1302
 posixtimer_rearm+0x1e8/0x350 kernel/time/posix-timers.c:267
 dequeue_signal+0x2a8/0x660 kernel/signal.c:705
 get_signal+0x5d8/0x2790 kernel/signal.c:2784
 arch_do_signal_or_restart+0x90/0x7f0 arch/x86/kernel/signal.c:309
 exit_to_user_mode_loop kernel/entry/common.c:168 [inline]
 exit_to_user_mode_prepare+0x121/0x240 kernel/entry/common.c:204
 __syscall_exit_to_user_mode_work kernel/entry/common.c:285 [inline]
 syscall_exit_to_user_mode+0x1e/0x60 kernel/entry/common.c:296
 do_syscall_64+0x4d/0x110 arch/x86/entry/common.c:89
 entry_SYSCALL_64_after_hwframe+0x63/0x6b
RIP: 0033:0x7f79c203ee79
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffde6334bb8 EFLAGS: 00000246
RAX: 0000000000000000 RBX: 0000000000000003 RCX: 00007f79c203ee79
RDX: 000000002006b000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00000000000f4240 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000039cb0
R13: 00007ffde6334bd8 R14: 00007ffde6334c30 R15: 00007ffde6334c20
 </TASK>
INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.542 msecs
sched: RT throttling activated