rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	1-...0: (1 GPs behind) idle=6f7/1/0x4000000000000000 softirq=6774/6775 fqs=2100 
	(detected by 0, t=10506 jiffies, g=6377, q=6270)
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 4603 Comm: syz-executor.0 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
RIP: 0010:arch_irqs_disabled_flags arch/x86/include/asm/irqflags.h:127 [inline]
RIP: 0010:arch_irqs_disabled arch/x86/include/asm/irqflags.h:134 [inline]
RIP: 0010:lock_acquire+0x1de/0x400 kernel/locking/lockdep.c:5626
Code: 0f c1 05 65 75 a5 7e 83 f8 01 0f 85 04 01 00 00 43 c6 44 3d 04 00 48 c7 84 24 80 00 00 00 00 00 00 00 9c 8f 84 24 80 00 00 00 <f7> 84 24 80 00 00 00 00 02 00 00 43 c6 44 3d 04 f8 0f 85 f1 00 00
RSP: 0018:ffffc90000dd0b60 EFLAGS: 00000046
RAX: 0000000000000001 RBX: 0000000000000000 RCX: 8b33c02b853f1a00
RDX: 0000000000000000 RSI: ffffffff8a2b3a20 RDI: ffffffff8a79f780
RBP: ffffc90000dd0c78 R08: dffffc0000000000 R09: 1ffffffff203a23e
R10: dffffc0000000000 R11: fffffbfff203a23f R12: ffff888019599300
R13: 1ffff920001ba178 R14: 0000000000000046 R15: dffffc0000000000
FS:  00007fa493cb76c0(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020000600 CR3: 0000000072e8f000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 __raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline]
 _raw_spin_lock+0x2a/0x40 kernel/locking/spinlock.c:154
 spin_lock include/linux/spinlock.h:364 [inline]
 advance_sched+0x47/0x940 net/sched/sch_taprio.c:716
 __run_hrtimer kernel/time/hrtimer.c:1685 [inline]
 __hrtimer_run_queues+0x4eb/0xb70 kernel/time/hrtimer.c:1749
 hrtimer_interrupt+0x3bb/0x8d0 kernel/time/hrtimer.c:1811
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1097 [inline]
 __sysvec_apic_timer_interrupt+0x137/0x4a0 arch/x86/kernel/apic/apic.c:1114
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1108 [inline]
 sysvec_apic_timer_interrupt+0x9b/0xc0 arch/x86/kernel/apic/apic.c:1108
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:676
RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:161 [inline]
RIP: 0010:_raw_spin_unlock_irqrestore+0xbc/0x120 kernel/locking/spinlock.c:194
Code: c7 44 24 20 00 00 00 00 9c 8f 44 24 20 f7 44 24 20 00 02 00 00 41 c6 04 07 f8 75 4b f7 c3 00 02 00 00 74 01 fb bf 01 00 00 00 <e8> 8f 0b 8d f7 65 8b 05 10 18 3d 76 85 c0 74 3c 48 c7 04 24 0e 36
RSP: 0018:ffffc900031df920 EFLAGS: 00000206
RAX: dffffc0000000004 RBX: 0000000000000a06 RCX: 8b33c02b853f1a00
RDX: dffffc0000000000 RSI: ffffffff8a2b2780 RDI: 0000000000000001
RBP: ffffc900031df9b0 R08: ffffffff901d10c7 R09: 1ffffffff203a218
R10: dffffc0000000000 R11: fffffbfff203a219 R12: dffffc0000000000
R13: dffffc0000000000 R14: ffff8880b902a240 R15: 1ffff9200063bf24
 clock_was_set+0x645/0x850 kernel/time/hrtimer.c:955
 timekeeping_inject_offset+0x5cd/0x670 kernel/time/timekeeping.c:1378
 do_adjtimex+0x45a/0xa00 kernel/time/timekeeping.c:2427
 do_clock_adjtime kernel/time/posix-timers.c:1155 [inline]
 __do_sys_clock_adjtime kernel/time/posix-timers.c:1167 [inline]
 __se_sys_clock_adjtime kernel/time/posix-timers.c:1158 [inline]
 __x64_sys_clock_adjtime+0x242/0x320 kernel/time/posix-timers.c:1158
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7fa494926079
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 d0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fa493cb70b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000131
RAX: ffffffffffffffda RBX: 00007fa494a64f80 RCX: 00007fa494926079
RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000000
RBP: 00007fa494987498 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007fa494a64f80 R15: 00007ffc404d4668
 </TASK>