rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	0-...!: (1 GPs behind) idle=f394/1/0x4000000000000000 softirq=32844/32845 fqs=126
rcu: 	(detected by 1, t=10502 jiffies, g=43941, q=592 ncpus=2)
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 12207 Comm: syz.0.2464 Not tainted 6.11.0-syzkaller-04557-g2f27fce67173 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
RIP: 0010:__preempt_count_dec_and_test arch/x86/include/asm/preempt.h:94 [inline]
RIP: 0010:rcu_is_watching+0x60/0xb0 kernel/rcu/tree.c:727
Code: 80 3c 38 00 74 08 4c 89 f7 e8 fc d7 80 00 48 c7 c3 78 7c 03 00 49 03 1e 48 89 d8 48 c1 e8 03 42 0f b6 04 38 84 c0 75 22 8b 03 <65> ff 0d 11 8e 89 7e 74 10 83 e0 04 c1 e8 02 5b 41 5e 41 5f e9 82
RSP: 0018:ffffc90000007b20 EFLAGS: 00000046
RAX: 000000000001f394 RBX: ffff8880b8837c78 RCX: ffffffff816ff9b0
RDX: 0000000000000000 RSI: ffffffff8c60ac20 RDI: ffffffff8c60abe0
RBP: ffffc90000007c80 R08: ffffffff901bdd2f R09: 1ffffffff2037ba5
R10: dffffc0000000000 R11: fffffbfff2037ba6 R12: 1ffff92000000f74
R13: ffffffff89c36a32 R14: ffffffff8e304a50 R15: dffffc0000000000
FS:  00007f03ef7ff6c0(0000) GS:ffff8880b8800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c32292a CR3: 000000005c6d2000 CR4: 0000000000350ef0
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 trace_lock_release include/trace/events/lock.h:69 [inline]
 lock_release+0xbf/0xa30 kernel/locking/lockdep.c:5833
 rcu_lock_release include/linux/rcupdate.h:336 [inline]
 rcu_read_unlock include/linux/rcupdate.h:869 [inline]
 advance_sched+0xb32/0xca0 net/sched/sch_taprio.c:987
 __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:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:152 [inline]
RIP: 0010:_raw_spin_unlock_irqrestore+0xd8/0x140 kernel/locking/spinlock.c:194
Code: 9c 8f 44 24 20 42 80 3c 23 00 74 08 4c 89 f7 e8 8e a8 33 f6 f6 44 24 21 02 75 52 41 f7 c7 00 02 00 00 74 01 fb bf 01 00 00 00 <e8> c3 89 9b f5 65 8b 05 a4 5e 3c 74 85 c0 74 43 48 c7 04 24 0e 36
RSP: 0018:ffffc90002d8f8c0 EFLAGS: 00000206
RAX: f616a0a09ed83600 RBX: 1ffff920005b1f1c RCX: ffffffff9a38d903
RDX: dffffc0000000000 RSI: ffffffff8c0ad8e0 RDI: 0000000000000001
RBP: ffffc90002d8f958 R08: ffffffff901bdd2f R09: 1ffffffff2037ba5
R10: dffffc0000000000 R11: fffffbfff2037ba6 R12: dffffc0000000000
R13: 1ffff920005b1f18 R14: ffffc90002d8f8e0 R15: 0000000000000246
 spin_unlock_irqrestore include/linux/spinlock.h:406 [inline]
 timerfd_clock_was_set+0x1e0/0x2f0 fs/timerfd.c:113
 clock_was_set+0x78e/0x810 kernel/time/hrtimer.c:978
 timekeeping_inject_offset+0x4e8/0x580 kernel/time/timekeeping.c:1524
 do_adjtimex+0x51d/0xae0 kernel/time/timekeeping.c:2575
 do_clock_adjtime kernel/time/posix-timers.c:1174 [inline]
 __do_sys_clock_adjtime kernel/time/posix-timers.c:1186 [inline]
 __se_sys_clock_adjtime kernel/time/posix-timers.c:1177 [inline]
 __x64_sys_clock_adjtime+0x1e3/0x290 kernel/time/posix-timers.c:1177
 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: 0033:0x7f03efd7def9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f03ef7ff038 EFLAGS: 00000246 ORIG_RAX: 0000000000000131
RAX: ffffffffffffffda RBX: 00007f03eff36058 RCX: 00007f03efd7def9
RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000000
RBP: 00007f03efdf0b76 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f03eff36058 R15: 00007fff6f03fdb8
 </TASK>
rcu: rcu_preempt kthread starved for 10247 jiffies! g43941 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1
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:24912 pid:17    tgid:17    ppid:2      flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5188 [inline]
 __schedule+0x1800/0x4a60 kernel/sched/core.c:6529
 __schedule_loop kernel/sched/core.c:6606 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6621
 schedule_timeout+0x1be/0x310 kernel/time/timer.c:2615
 rcu_gp_fqs_loop+0x2df/0x1330 kernel/rcu/tree.c:2034
 rcu_gp_kthread+0xa7/0x3b0 kernel/rcu/tree.c:2236
 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>
rcu: Stack dump where RCU GP kthread last ran:
CPU: 1 UID: 0 PID: 5283 Comm: kworker/1:3 Not tainted 6.11.0-syzkaller-04557-g2f27fce67173 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
Workqueue: events jump_label_update_timeout
RIP: 0010:csd_lock_wait kernel/smp.c:312 [inline]
RIP: 0010:smp_call_function_many_cond+0x1865/0x29d0 kernel/smp.c:856
Code: 89 e6 83 e6 01 31 ff e8 f9 16 0c 00 41 83 e4 01 49 bc 00 00 00 00 00 fc ff df 75 07 e8 a4 12 0c 00 eb 38 f3 90 42 0f b6 04 23 <84> c0 75 11 41 f7 45 00 01 00 00 00 74 1e e8 88 12 0c 00 eb e4 44
RSP: 0018:ffffc900034ef740 EFLAGS: 00000293
RAX: 0000000000000000 RBX: 1ffff11017108c09 RCX: ffff8880304b5a00
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffffc900034ef920 R08: ffffffff8187c697 R09: 1ffffffff2846d08
R10: dffffc0000000000 R11: fffffbfff2846d09 R12: dffffc0000000000
R13: ffff8880b8846048 R14: ffff8880b893f8c0 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8880b8900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f6485eebf13 CR3: 000000000e734000 CR4: 0000000000350ef0
Call Trace:
 <IRQ>
 </IRQ>
 <TASK>
 on_each_cpu_cond_mask+0x3f/0x80 kernel/smp.c:1023
 on_each_cpu include/linux/smp.h:71 [inline]
 text_poke_sync arch/x86/kernel/alternative.c:2085 [inline]
 text_poke_bp_batch+0x352/0xb30 arch/x86/kernel/alternative.c:2295
 text_poke_flush arch/x86/kernel/alternative.c:2486 [inline]
 text_poke_finish+0x30/0x50 arch/x86/kernel/alternative.c:2493
 arch_jump_label_transform_apply+0x1c/0x30 arch/x86/kernel/jump_label.c:146
 __static_key_slow_dec_cpuslocked+0x254/0x410 kernel/jump_label.c:293
 __static_key_slow_dec kernel/jump_label.c:301 [inline]
 jump_label_update_timeout+0x1e/0x30 kernel/jump_label.c:309
 process_one_work kernel/workqueue.c:3231 [inline]
 process_scheduled_works+0xa2e/0x1830 kernel/workqueue.c:3312
 worker_thread+0x870/0xd30 kernel/workqueue.c:3393
 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>