rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: rcu: 0-...0: (1 ticks this GP) idle=661/1/0x4000000000000000 softirq=39086/39086 fqs=5245 (detected by 1, t=10502 jiffies, g=59689, q=930) Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 11921 Comm: syz-executor.2 Not tainted 5.15.111-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/28/2023 RIP: 0010:__lock_is_held kernel/locking/lockdep.c:5362 [inline] RIP: 0010:lock_is_held_type+0xab/0x180 kernel/locking/lockdep.c:5665 Code: 0a 00 00 00 7e 47 4c 89 ed 48 81 c5 f0 0a 00 00 31 db 48 83 fb 31 73 24 48 89 ef 4c 89 fe e8 fc 01 00 00 85 c0 75 2a 48 ff c3 <49> 63 85 e8 0a 00 00 48 83 c5 28 48 39 c3 7c d8 eb 11 48 c7 c7 60 RSP: 0018:ffffc90000007c78 EFLAGS: 00000002 RAX: 0000000000000000 RBX: 0000000000000001 RCX: ffff888072db0000 RDX: ffff888072db0000 RSI: ffff88807df6c300 RDI: ffff888072db0af0 RBP: ffff888072db0af0 R08: ffffffff8869e18e R09: 0000000000000003 R10: ffffffffffffffff R11: dffffc0000000001 R12: 0000000000000046 R13: ffff888072db0000 R14: 00000000ffffffff R15: ffff88807df6c300 FS: 00007f36a1953700(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f7170466058 CR3: 000000001f7fd000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 00007ffffffffff4 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Call Trace: lock_is_held include/linux/lockdep.h:287 [inline] advance_sched+0xd0/0x940 net/sched/sch_taprio.c:719 __run_hrtimer kernel/time/hrtimer.c:1685 [inline] __hrtimer_run_queues+0x598/0xcf0 kernel/time/hrtimer.c:1749 hrtimer_interrupt+0x392/0x980 kernel/time/hrtimer.c:1811 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1085 [inline] __sysvec_apic_timer_interrupt+0x139/0x470 arch/x86/kernel/apic/apic.c:1102 sysvec_apic_timer_interrupt+0x8c/0xb0 arch/x86/kernel/apic/apic.c:1096 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:638 RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:161 [inline] RIP: 0010:_raw_spin_unlock_irqrestore+0xd4/0x130 kernel/locking/spinlock.c:194 Code: 9c 8f 44 24 20 42 80 3c 23 00 74 08 4c 89 f7 e8 42 8e a5 f7 f6 44 24 21 02 75 4e 41 f7 c7 00 02 00 00 74 01 fb bf 01 00 00 00 f7 62 33 f7 65 8b 05 f8 be de 75 85 c0 74 3f 48 c7 04 24 0e 36 RSP: 0018:ffffc90003e0f920 EFLAGS: 00000206 RAX: 761495adffb1c800 RBX: 1ffff920007c1f28 RCX: ffffffff8162c608 RDX: dffffc0000000000 RSI: ffffffff8a8afb60 RDI: 0000000000000001 RBP: ffffc90003e0f9b0 R08: dffffc0000000000 R09: fffffbfff1f78e21 R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 R13: 1ffff920007c1f24 R14: ffffc90003e0f940 R15: 0000000000000246 clock_was_set+0x67d/0x880 kernel/time/hrtimer.c:970 timekeeping_inject_offset+0x65f/0x710 kernel/time/timekeeping.c:1378 do_adjtimex+0x511/0xaa0 kernel/time/timekeeping.c:2427 do_clock_adjtime kernel/time/posix-timers.c:1122 [inline] __do_sys_clock_adjtime kernel/time/posix-timers.c:1134 [inline] __se_sys_clock_adjtime kernel/time/posix-timers.c:1125 [inline] __x64_sys_clock_adjtime+0x1dc/0x290 kernel/time/posix-timers.c:1125 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7f36a3402169 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 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 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f36a1953168 EFLAGS: 00000246 ORIG_RAX: 0000000000000131 RAX: ffffffffffffffda RBX: 00007f36a3522050 RCX: 00007f36a3402169 RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000000 RBP: 00007f36a345dca1 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffe7cc4df9f R14: 00007f36a1953300 R15: 0000000000022000