rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	0-...!: (0 ticks this GP) idle=38cc/1/0x4000000000000000 softirq=55514/55514 fqs=0
rcu: 	(detected by 1, t=10502 jiffies, g=92465, q=219 ncpus=2)
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 23389 Comm: syz-executor.0 Not tainted 6.7.0-rc7-syzkaller-00049-g453f5db0619e #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023
RIP: 0010:__remove_hrtimer kernel/time/hrtimer.c:1116 [inline]
RIP: 0010:__run_hrtimer kernel/time/hrtimer.c:1668 [inline]
RIP: 0010:__hrtimer_run_queues+0x3c0/0xd20 kernel/time/hrtimer.c:1752
Code: 04 3e 84 c0 48 89 54 24 28 0f 85 90 04 00 00 0f b6 1a 48 89 b4 24 b0 00 00 00 42 0f b6 04 3e 84 c0 0f 85 9f 04 00 00 c6 02 00 <80> e3 01 0f b6 db 31 ff 89 de e8 21 21 11 00 84 db 75 0a e8 88 1e
RSP: 0018:ffffc90000007d60 EFLAGS: 00000046
RAX: 0000000000000000 RBX: 0000000000000001 RCX: ffff888072130000
RDX: ffff88808d1e5378 RSI: 1ffff11011a3ca6f RDI: ffffffff8bbde140
RBP: ffffc90000007ea8 R08: ffffffff817d8af3 R09: 1ffffffff1e01845
R10: dffffc0000000000 R11: fffffbfff1e01846 R12: ffff8880b982b880
R13: ffff8880b982b880 R14: ffff88808d1e5340 R15: dffffc0000000000
FS:  00007f04f6c896c0(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fd62d82e000 CR3: 000000001edf4000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 hrtimer_interrupt+0x396/0x980 kernel/time/hrtimer.c:1814
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1065 [inline]
 __sysvec_apic_timer_interrupt+0x104/0x3a0 arch/x86/kernel/apic/apic.c:1082
 sysvec_apic_timer_interrupt+0x92/0xb0 arch/x86/kernel/apic/apic.c:1076
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:649
RIP: 0010:finish_task_switch+0x1ea/0x850 kernel/sched/core.c:5250
Code: c9 50 e8 c9 80 0b 00 48 83 c4 08 4c 89 f7 e8 8d 35 00 00 0f 1f 44 00 00 4c 89 f7 e8 00 89 c0 09 e8 cb aa 33 00 fb 48 8b 5d c0 <48> 8d bb d8 15 00 00 48 89 f8 48 c1 e8 03 49 be 00 00 00 00 00 fc
RSP: 0018:ffffc900033df288 EFLAGS: 00000282
RAX: 5f35347347752c00 RBX: ffff888072130000 RCX: ffffffff816d951a
RDX: dffffc0000000000 RSI: ffffffff8b6aa560 RDI: ffffffff8bbde1a0
RBP: ffffc900033df2d0 R08: ffffffff90dd940f R09: 1ffffffff21bb281
R10: dffffc0000000000 R11: fffffbfff21bb282 R12: dffffc0000000000
R13: 1ffff11017307a17 R14: ffff8880b983c340 R15: ffff8880b983d0b8
 context_switch kernel/sched/core.c:5379 [inline]
 __schedule+0x1969/0x4ab0 kernel/sched/core.c:6688
 preempt_schedule_common+0x83/0xc0 kernel/sched/core.c:6865
 preempt_schedule+0xdd/0xf0 kernel/sched/core.c:6889
 preempt_schedule_thunk+0x1a/0x30 arch/x86/entry/thunk_64.S:45
 __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:152 [inline]
 _raw_spin_unlock_irqrestore+0x12c/0x140 kernel/locking/spinlock.c:194
 spin_unlock_irqrestore include/linux/spinlock.h:406 [inline]
 __wake_up_common_lock+0x187/0x1e0 kernel/sched/wait.c:108
 __unix_dgram_recvmsg+0x602/0x12c0 net/unix/af_unix.c:2410
 sock_recvmsg_nosec+0x86/0xd0 net/socket.c:1044
 ____sys_recvmsg+0x483/0x580 net/socket.c:2801
 ___sys_recvmsg net/socket.c:2845 [inline]
 do_recvmmsg+0x474/0xae0 net/socket.c:2939
 __sys_recvmmsg net/socket.c:3018 [inline]
 __do_sys_recvmmsg net/socket.c:3041 [inline]
 __se_sys_recvmmsg net/socket.c:3034 [inline]
 __x64_sys_recvmmsg+0x199/0x240 net/socket.c:3034
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0x45/0x110 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x63/0x6b
RIP: 0033:0x7f04f5e7cce9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 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:00007f04f6c890c8 EFLAGS: 00000246 ORIG_RAX: 000000000000012b
RAX: ffffffffffffffda RBX: 00007f04f5f9c050 RCX: 00007f04f5e7cce9
RDX: 0000000000010106 RSI: 00000000200000c0 RDI: 0000000000000003
RBP: 00007f04f5ec947a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000002 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007f04f5f9c050 R15: 00007ffd007ea528
 </TASK>
rcu: rcu_preempt kthread timer wakeup didn't happen for 10501 jiffies! g92465 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402
rcu: 	Possible timer handling issue on cpu=0 timer-softirq=58247
rcu: rcu_preempt kthread starved for 10502 jiffies! g92465 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->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:I stack:25008 pid:17    tgid:17    ppid:2      flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5376 [inline]
 __schedule+0x1961/0x4ab0 kernel/sched/core.c:6688
 __schedule_loop kernel/sched/core.c:6763 [inline]
 schedule+0x149/0x260 kernel/sched/core.c:6778
 schedule_timeout+0x1bd/0x300 kernel/time/timer.c:2167
 rcu_gp_fqs_loop+0x30a/0x1500 kernel/rcu/tree.c:1631
 rcu_gp_kthread+0xa7/0x3b0 kernel/rcu/tree.c:1830
 kthread+0x2d3/0x370 kernel/kthread.c:388
 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:242
 </TASK>