rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-...D } 2686 jiffies s: 55141 root: 0x2/.
rcu: blocking rcu_node structures (internal RCU debug):
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 30574 Comm: syz-executor.0 Not tainted 6.7.0-syzkaller-10085-g1b1934dbbdcf #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023
RIP: 0010:__rb_erase_augmented include/linux/rbtree_augmented.h:228 [inline]
RIP: 0010:rb_erase+0x54/0x1360 lib/rbtree.c:443
Code: 83 ec 18 80 3c 02 00 0f 85 fc 0d 00 00 49 8d 7d 10 4d 8b 75 08 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 <0f> 85 9d 0d 00 00 4d 8b 7d 10 4d 85 ff 0f 84 8c 05 00 00 4d 85 f6
RSP: 0018:ffffc900001f0d90 EFLAGS: 00000046
RAX: dffffc0000000000 RBX: ffff88803a0c8340 RCX: ffff8880b992c090
RDX: 1ffff1100741906a RSI: ffff8880b992c090 RDI: ffff88803a0c8350
RBP: ffff8880b992c090 R08: 0000000000000006 R09: 0000000000000001
R10: ffff88803a0c8340 R11: 0000000000000002 R12: ffff8880b992c098
R13: ffff88803a0c8340 R14: 0000000000000000 R15: 0000000000000000
FS:  00007f5f2121e6c0(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b30c2b000 CR3: 000000004725b000 CR4: 0000000000350ef0
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 rb_erase_cached include/linux/rbtree.h:126 [inline]
 timerqueue_del+0x83/0x140 lib/timerqueue.c:57
 __remove_hrtimer+0x99/0x290 kernel/time/hrtimer.c:1119
 __run_hrtimer kernel/time/hrtimer.c:1668 [inline]
 __hrtimer_run_queues+0x55b/0xc20 kernel/time/hrtimer.c:1752
 hrtimer_interrupt+0x31b/0x800 kernel/time/hrtimer.c:1814
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1065 [inline]
 __sysvec_apic_timer_interrupt+0x105/0x400 arch/x86/kernel/apic/apic.c:1082
 sysvec_apic_timer_interrupt+0x90/0xb0 arch/x86/kernel/apic/apic.c:1076
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:649
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 b6 ba d9 f6 48 89 df e8 ae 32 da f6 f7 c5 00 02 00 00 75 1f 9c 58 f6 c4 02 75 2f <bf> 01 00 00 00 e8 b5 d2 cb f6 65 8b 05 86 17 75 75 85 c0 74 12 5b
RSP: 0018:ffffc9000c1cfa28 EFLAGS: 00000246
RAX: 0000000000000002 RBX: ffff88802b827088 RCX: 1ffffffff1e74c41
RDX: 0000000000000000 RSI: ffffffff8accad80 RDI: ffffffff8b2f8e40
RBP: 0000000000000283 R08: 0000000000000001 R09: 0000000000000001
R10: ffffffff8f3a9497 R11: 0000000000000000 R12: dffffc0000000000
R13: 19882436d13c6661 R14: 17ab4de6d13c6661 R15: ffff88802b827088
 spin_unlock_irqrestore include/linux/spinlock.h:406 [inline]
 timerfd_clock_was_set+0x164/0x310 fs/timerfd.c:113
 clock_was_set+0x67d/0x850 kernel/time/hrtimer.c:982
 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:52 [inline]
 do_syscall_64+0xd3/0x250 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x63/0x6b
RIP: 0033:0x7f5f2047cda9
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:00007f5f2121e0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000131
RAX: ffffffffffffffda RBX: 00007f5f205ac1f0 RCX: 00007f5f2047cda9
RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000000
RBP: 00007f5f204c947a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007f5f205ac1f0 R15: 00007fff73816348
 </TASK>