rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 13379 jiffies s: 7081 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 UID: 0 PID: 6201 Comm: syz.2.82 Not tainted 6.16.0-syzkaller-06600-g1dbf1d590d10 #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
RIP: 0010:native_apic_msr_write+0x39/0x50
Code: 74 2a 83 ff 30 74 25 eb 10 81 ff d0 00 00 00 74 1b 81 ff e0 00 00 00 74 13 c1 ef 04 81 c7 00 08 00 00 89 f9 89 f0 31 d2 0f 30 <66> 90 c3 cc cc cc cc cc f3 0f 1e fa 89 f6 31 d2 e9 92 a2 8b 03 66
RSP: 0018:ffffc900001e0a28 EFLAGS: 00000046
RAX: 0000000000000380 RBX: ffff888136623900 RCX: 0000000000000838
RDX: 0000000000000000 RSI: 0000000000000380 RDI: 0000000000000838
RBP: 0000000000000000 R08: 0000000000000000 R09: ffffffff81adfdfe
R10: ffffc900001e0508 R11: ffffffff81704490 R12: 0000000010000863
R13: dffffc0000000000 R14: 0000000000000380 R15: 0000000000000020
FS:  00007fe47ad586c0(0000) GS:ffff8881a3c80000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000000040 CR3: 000000011ccac000 CR4: 00000000000006f0
DR0: 0000200000000300 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 lapic_next_event+0x11/0x20
 clockevents_program_event+0x1cf/0x360
 hrtimer_interrupt+0x620/0xaa0
 __sysvec_apic_timer_interrupt+0x10b/0x410
 sysvec_apic_timer_interrupt+0x52/0xc0
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:_raw_spin_unlock_irq+0x29/0x50
Code: 90 f3 0f 1e fa 53 48 89 fb 48 83 c7 18 48 8b 74 24 08 e8 6a 20 2b f6 48 89 df e8 c2 b7 2b f6 e8 ad dc 54 f6 fb bf 01 00 00 00 <e8> 72 b5 1d f6 65 8b 05 6b 9f 27 07 85 c0 74 07 5b e9 51 4c 00 00
RSP: 0018:ffffc900001e0c90 EFLAGS: 00000286
RAX: df99843385f00f00 RBX: ffff8881366269c0 RCX: df99843385f00f00
RDX: 0000000000000002 RSI: ffffffff8d9792e3 RDI: 0000000000000001
RBP: ffffc900001e0e10 R08: ffffffff8fa07bf7 R09: 1ffffffff1f40f7e
R10: dffffc0000000000 R11: fffffbfff1f40f7f R12: dffffc0000000000
R13: ffff888136626a08 R14: ffff888136626a10 R15: 0000000000000000
 __run_timer_base+0x1ad/0x860
 run_timer_softirq+0x103/0x180
 handle_softirqs+0x286/0x870
 __irq_exit_rcu+0xca/0x1f0
 irq_exit_rcu+0x9/0x30
 sysvec_irq_work+0xa3/0xc0
 </IRQ>
 <TASK>
 asm_sysvec_irq_work+0x1a/0x20
RIP: 0010:generic_exec_single+0x481/0x500
Code: 75 11 e8 22 7c 0b 00 48 85 db 75 16 e8 18 7c 0b 00 eb 15 e8 11 7c 0b 00 e8 7c 94 bb 09 48 85 db 74 ea e8 02 7c 0b 00 fb 31 c0 <48> c7 44 24 20 0e 36 e0 45 4b c7 04 2c 00 00 00 00 66 43 c7 44 2c
RSP: 0018:ffffc9000464f9c0 EFLAGS: 00000246
RAX: 0000000000000000 RBX: 0000000000000200 RCX: ffff88801edcb980
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc9000464fa90 R08: ffffffff8fa07bf7 R09: 1ffffffff1f40f7e
R10: dffffc0000000000 R11: fffffbfff1f40f7f R12: 1ffff920008c9f3c
R13: dffffc0000000000 R14: 0000000000000000 R15: 1ffff920008c9f5d
 smp_call_function_single+0x351/0x590
 perf_install_in_context+0x593/0x8f0
 __se_sys_perf_event_open+0x193a/0x1d70
 do_syscall_64+0xfa/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fe479f8ebe9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fe47ad58038 EFLAGS: 00000246 ORIG_RAX: 000000000000012a
RAX: ffffffffffffffda RBX: 00007fe47a1b5fa0 RCX: 00007fe479f8ebe9
RDX: ffffffffffffffff RSI: 0000000000000000 RDI: 0000200000000480
RBP: 00007fe47a011e19 R08: 0000000000000000 R09: 0000000000000000
R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000
R13: 00007fe47a1b6038 R14: 00007fe47a1b5fa0 R15: 00007ffdca063518
 </TASK>
sched: DL replenish lagged too much
