rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	0-...!: (0 ticks this GP) idle=ab84/1/0x4000000000000000 softirq=45958/45958 fqs=0
rcu: 	(detected by 1, t=10502 jiffies, g=46161, q=288 ncpus=2)
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 5224 Comm: syz-executor Not tainted 6.11.0-syzkaller-09959-gabf2050f51fd #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
RIP: 0010:check_preemption_disabled+0x19/0x120 lib/smp_processor_id.c:14
Code: 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 41 57 41 56 41 54 53 48 83 ec 10 65 48 8b 04 25 28 00 00 00 48 89 44 24 08 <65> 8b 1d 4c 55 40 74 65 8b 05 41 55 40 74 a9 ff ff ff 7f 74 26 65
RSP: 0018:ffffc90000007ae8 EFLAGS: 00000086
RAX: 04e6a0ca245d8300 RBX: ffffc90000007b80 RCX: 04e6a0ca245d8300
RDX: dffffc0000000000 RSI: ffffffff8c0adbc0 RDI: ffffffff8c60efc0
RBP: ffffc90000007c78 R08: ffffffff9425f7c7 R09: 1ffffffff284bef8
R10: dffffc0000000000 R11: fffffbfff284bef9 R12: 1ffff92000000f6c
R13: dffffc0000000000 R14: 0000000000000000 R15: 0000000000000046
FS:  0000555588d4b500(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fe3ae024d58 CR3: 0000000060cc8000 CR4: 0000000000350ef0
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 lockdep_recursion_finish kernel/locking/lockdep.c:467 [inline]
 lock_acquire+0x1fd/0x550 kernel/locking/lockdep.c:5824
 rcu_lock_acquire include/linux/rcupdate.h:337 [inline]
 rcu_read_lock include/linux/rcupdate.h:849 [inline]
 advance_sched+0xa1e/0xca0 net/sched/sch_taprio.c:985
 __run_hrtimer kernel/time/hrtimer.c:1691 [inline]
 __hrtimer_run_queues+0x59d/0xd50 kernel/time/hrtimer.c:1755
 hrtimer_interrupt+0x396/0x990 kernel/time/hrtimer.c:1817
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1026 [inline]
 __sysvec_apic_timer_interrupt+0x112/0x3f0 arch/x86/kernel/apic/apic.c:1043
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1037 [inline]
 sysvec_apic_timer_interrupt+0xa1/0xc0 arch/x86/kernel/apic/apic.c:1037
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:preempt_count_sub+0x23/0x170 kernel/sched/core.c:5810
Code: 90 90 90 90 90 90 90 f3 0f 1e fa 41 56 53 89 fb 48 c7 c0 40 69 3b 9a 48 c1 e8 03 49 be 00 00 00 00 00 fc ff df 42 0f b6 04 30 <84> c0 0f 85 d0 00 00 00 83 3d 6e 64 d8 18 00 75 22 65 8b 05 ed d2
RSP: 0018:ffffc900044c7bd0 EFLAGS: 00000216
RAX: 0000000000000004 RBX: 0000000000000001 RCX: 1ffff92000898f58
RDX: dffffc0000000000 RSI: ffffffff8c0aca40 RDI: 0000000000000001
RBP: ffff88802adcda00 R08: ffffffff901ca4af R09: 1ffffffff2039495
R10: dffffc0000000000 R11: fffffbfff2039496 R12: dffffc0000000000
R13: ffffc900044c7da0 R14: dffffc0000000000 R15: ffff88802adcec78
 __schedule_loop kernel/sched/core.c:6752 [inline]
 schedule+0x155/0x320 kernel/sched/core.c:6766
 do_nanosleep+0x197/0x600 kernel/time/hrtimer.c:2032
 hrtimer_nanosleep+0x1e3/0x3f0 kernel/time/hrtimer.c:2080
 __do_sys_clock_nanosleep kernel/time/posix-timers.c:1411 [inline]
 __se_sys_clock_nanosleep+0x32d/0x3c0 kernel/time/posix-timers.c:1388
 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: 0033:0x7f638f1affe5
Code: 24 0c 89 3c 24 48 89 4c 24 18 e8 c6 57 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 8b 74 24 0c 8b 3c 24 b8 e6 00 00 00 0f 05 <44> 89 c7 48 89 04 24 e8 1f 58 ff ff 48 8b 04 24 48 83 c4 28 f7 d8
RSP: 002b:00007ffc1a628670 EFLAGS: 00000293 ORIG_RAX: 00000000000000e6
RAX: ffffffffffffffda RBX: 000000000000040b RCX: 00007f638f1affe5
RDX: 00007ffc1a6286b0 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007ffc1a62870c R08: 0000000000000000 R09: 7fffffffffffffff
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000032
R13: 000000000005b4fb R14: 000000000005af96 R15: 00007ffc1a628760
 </TASK>
rcu: rcu_preempt kthread timer wakeup didn't happen for 10501 jiffies! g46161 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402
rcu: 	Possible timer handling issue on cpu=0 timer-softirq=27486
rcu: rcu_preempt kthread starved for 10502 jiffies! g46161 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:24272 pid:17    tgid:17    ppid:2      flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5315 [inline]
 __schedule+0x1895/0x4b30 kernel/sched/core.c:6674
 __schedule_loop kernel/sched/core.c:6751 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6766
 schedule_timeout+0x1be/0x310 kernel/time/timer.c:2615
 rcu_gp_fqs_loop+0x2df/0x1330 kernel/rcu/tree.c:2045
 rcu_gp_kthread+0xa7/0x3b0 kernel/rcu/tree.c:2247
 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>