rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: rcu: 1-...0: (1 GPs behind) idle=c17/1/0x4000000000000000 softirq=5069/5070 fqs=2100 (detected by 0, t=10505 jiffies, g=3745, q=302) Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 3527 Comm: syz-executor117 Not tainted 5.15.158-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 RIP: 0010:lockdep_enabled kernel/locking/lockdep.c:91 [inline] RIP: 0010:lock_release+0x11d/0x9a0 kernel/locking/lockdep.c:5636 Code: 00 00 65 48 8b 05 03 9d 9f 7e 48 89 44 24 18 48 8d 98 ec 0a 00 00 48 89 d8 48 c1 e8 03 42 0f b6 04 38 84 c0 0f 85 c2 05 00 00 <83> 3b 00 0f 85 fe 04 00 00 4c 8d b4 24 b0 00 00 00 4c 89 f3 48 c1 RSP: 0018:ffffc90000dd0b80 EFLAGS: 00000046 RAX: 0000000000000000 RBX: ffff8880755cc66c RCX: ffffffff8162d268 RDX: 0000000000000000 RSI: ffffffff8ad8f5e0 RDI: ffffffff8ad8f5a0 RBP: ffffc90000dd0cb0 R08: dffffc0000000000 R09: fffffbfff1bc8c56 R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff920001ba17c R13: ffffffff816f64cc R14: ffffc90000dd0ce0 R15: dffffc0000000000 FS: 000055555723b380(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020000600 CR3: 000000007f58b000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:158 [inline] _raw_spin_unlock_irqrestore+0x75/0x130 kernel/locking/spinlock.c:194 __run_hrtimer kernel/time/hrtimer.c:1682 [inline] __hrtimer_run_queues+0x48c/0xcf0 kernel/time/hrtimer.c:1750 hrtimer_interrupt+0x392/0x980 kernel/time/hrtimer.c:1812 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 02 e8 a2 f7 f6 44 24 21 02 75 4e 41 f7 c7 00 02 00 00 74 01 fb bf 01 00 00 00 f7 14 30 f7 65 8b 05 c8 22 db 75 85 c0 74 3f 48 c7 04 24 0e 36 RSP: 0018:ffffc90002197a20 EFLAGS: 00000206 RAX: 3967a74138d9de00 RBX: 1ffff92000432f48 RCX: ffffffff913eef03 RDX: dffffc0000000000 RSI: ffffffff8a8b2980 RDI: 0000000000000001 RBP: ffffc90002197ab0 R08: ffffffff8186dcf0 R09: fffffbfff1926409 R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 R13: 1ffff92000432f44 R14: ffffc90002197a40 R15: 0000000000000246 timekeeping_inject_offset+0x655/0x710 kernel/time/timekeeping.c:1375 do_adjtimex+0x511/0xaa0 kernel/time/timekeeping.c:2427 do_clock_adjtime kernel/time/posix-timers.c:1154 [inline] __do_sys_clock_adjtime kernel/time/posix-timers.c:1166 [inline] __se_sys_clock_adjtime kernel/time/posix-timers.c:1157 [inline] __x64_sys_clock_adjtime+0x1dc/0x290 kernel/time/posix-timers.c:1157 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7f88858d3ee9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 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:00007fffe4c98f88 EFLAGS: 00000246 ORIG_RAX: 0000000000000131 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f88858d3ee9 RDX: 00007f88858d3ee9 RSI: 0000000020000040 RDI: 0000000000000000 RBP: 00000000000f4240 R08: 0000000000000000 R09: 0000000100000000 R10: 0000000100000000 R11: 0000000000000246 R12: 00007fffe4c98fe0 R13: 0000000000000001 R14: 00007fffe4c98fe0 R15: 0000000000000003 INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.857 msecs