rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: rcu: 1-...0: (1 GPs behind) idle=143c/1/0x4000000000000000 softirq=73059/73060 fqs=5238 rcu: hardirqs softirqs csw/system rcu: number: 0 0 0 rcu: cputime: 0 0 0 ==> 52500(ms) rcu: (detected by 0, t=10502 jiffies, g=118557, q=1421 ncpus=2) Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 18754 Comm: syz-executor.2 Not tainted 6.6.0-rc5-syzkaller-00250-g70f8c6f8f880 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023 RIP: 0010:enqueue_hrtimer+0x8c/0x310 kernel/time/hrtimer.c:1089 Code: 3c c5 d0 6f cd 8e e8 43 11 66 00 4c 0f a3 25 eb c2 57 0d 41 0f 92 c4 31 ff 44 89 e6 e8 6d 13 11 00 45 84 e4 0f 85 ef 01 00 00 2f 18 11 00 48 8d 7b 08 48 b8 00 00 00 00 00 fc ff df 48 89 fa RSP: 0018:ffffc900003f8e18 EFLAGS: 00000002 RAX: 0000000000010002 RBX: ffff8880b992ba40 RCX: ffffffff8175af01 RDX: ffff888039fb2140 RSI: 0000000000000000 RDI: 0000000000000001 RBP: ffff88803b85f340 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000001 R11: dffffc0000000000 R12: 0000000000000001 R13: 0000000000000000 R14: ffff88803b85f340 R15: 0000000000000001 FS: 00007fa1fb1fe6c0(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2f629000 CR3: 0000000031c9a000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __run_hrtimer kernel/time/hrtimer.c:1705 [inline] __hrtimer_run_queues+0xa0a/0xc10 kernel/time/hrtimer.c:1752 hrtimer_interrupt+0x31b/0x800 kernel/time/hrtimer.c:1814 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1063 [inline] __sysvec_apic_timer_interrupt+0x105/0x3f0 arch/x86/kernel/apic/apic.c:1080 sysvec_apic_timer_interrupt+0x8e/0xc0 arch/x86/kernel/apic/apic.c:1074 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:645 RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:152 [inline] RIP: 0010:_raw_spin_unlock_irqrestore+0x31/0x70 kernel/locking/spinlock.c:194 Code: f5 53 48 8b 74 24 10 48 89 fb 48 83 c7 18 e8 a6 d6 24 f7 48 89 df e8 9e 55 25 f7 f7 c5 00 02 00 00 75 1f 9c 58 f6 c4 02 75 2f 01 00 00 00 e8 b5 bf 16 f7 65 8b 05 66 13 c1 75 85 c0 74 12 5b RSP: 0018:ffffc900042bfa78 EFLAGS: 00000246 RAX: 0000000000000006 RBX: ffff8880b982b940 RCX: 1ffffffff233c916 RDX: 0000000000000000 RSI: ffffffff8a8c9ba0 RDI: ffffffff8ae90b20 RBP: 0000000000000282 R08: 0000000000000001 R09: fffffbfff233c7d0 R10: ffffffff919e3e87 R11: 0000000000000002 R12: 0000000000000004 R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000 clock_was_set+0x592/0x850 kernel/time/hrtimer.c:972 timekeeping_inject_offset+0x4d1/0x640 kernel/time/timekeeping.c:1395 do_adjtimex+0x373/0xaa0 kernel/time/timekeeping.c:2444 do_clock_adjtime kernel/time/posix-timers.c:1159 [inline] __do_sys_clock_adjtime+0x173/0x280 kernel/time/posix-timers.c:1171 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fa1fc67cae9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 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 b0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fa1fb1fe0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000131 RAX: ffffffffffffffda RBX: 00007fa1fc79bf80 RCX: 00007fa1fc67cae9 RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000000 RBP: 00007fa1fc6c847a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007fa1fc79bf80 R15: 00007ffdafb815b8