rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	0-....: (1 GPs behind) idle=8a1/1/0x4000000000000002 softirq=14393/14394 fqs=2100 
	(detected by 1, t=10505 jiffies, g=18529, q=856)
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 7040 Comm: syz.8.765 Not tainted 5.15.189-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
RIP: 0010:lock_is_held_type+0x125/0x190 kernel/locking/lockdep.c:5668
Code: e8 c0 0d 00 00 b8 ff ff ff ff 65 0f c1 05 13 48 5a 76 83 f8 01 75 40 48 c7 04 24 00 00 00 00 9c 8f 04 24 f7 04 24 00 02 00 00 <75> 46 41 f7 c5 00 02 00 00 74 01 fb 65 48 8b 04 25 28 00 00 00 48
RSP: 0018:ffffc90000007490 EFLAGS: 00000046
RAX: 0000000000000001 RBX: ffff88801eef3b80 RCX: 3a4427fbb8b09700
RDX: 0000000000000100 RSI: ffffffff8a0b2860 RDI: ffffffff8a599340
RBP: 0000000000000001 R08: dffffc0000000000 R09: ffffc90000007640
R10: fffff52000000ecf R11: 1ffff92000000ec8 R12: 0000000000000000
R13: 0000000000000046 R14: ffffffff8c11c360 R15: ffff88801eef4670
FS:  0000555581f66500(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fa3b63d0f98 CR3: 00000000635ff000 CR4: 00000000003506f0
DR0: 0000200000000300 DR1: 0000200000000300 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff3 DR7: 0000000000000600
Call Trace:
 <IRQ>
 perf_get_guest_cbs include/linux/perf_event.h:1274 [inline]
 perf_misc_flags+0x56/0x1b0 arch/x86/events/core.c:2961
 perf_prepare_sample+0x132/0x1cb0 kernel/events/core.c:7608
 __perf_event_output kernel/events/core.c:7788 [inline]
 perf_event_output_forward+0x146/0x280 kernel/events/core.c:7808
 __perf_event_overflow+0x364/0x530 kernel/events/core.c:9501
 perf_tp_event+0x32c/0xb50 kernel/events/core.c:10033
 perf_trace_run_bpf_submit+0xf3/0x1c0 kernel/events/core.c:10007
 perf_trace_preemptirq_template+0x2be/0x380 include/trace/events/preemptirq.h:14
 trace_irq_enable_rcuidle+0x108/0x180 include/trace/events/preemptirq.h:40
 trace_hardirqs_on+0x57/0x80 kernel/trace/trace_preemptirq.c:44
 asm_sysvec_irq_work+0x16/0x20 arch/x86/include/asm/idtentry.h:713
RIP: 0010:rcu_read_unlock_special+0x84/0x480 kernel/rcu/tree_plugin.h:671
Code: f1 f1 f1 00 f2 f2 f2 4a 89 04 2b 66 42 c7 44 2b 09 f3 f3 42 c6 44 2b 0b f3 65 44 8b 35 7d 16 9e 7e 41 f7 c6 00 00 f0 00 74 45 <48> c7 44 24 20 0e 36 e0 45 4a c7 04 2b 00 00 00 00 66 42 c7 44 2b
RSP: 0018:ffffc90000007c60 EFLAGS: 00000206
RAX: 3a4427fbb8b09700 RBX: 1ffff92000000f90 RCX: 3a4427fbb8b09700
RDX: dffffc0000000000 RSI: ffffffff8a0b15c0 RDI: ffffffff8a599340
RBP: ffffc90000007d28 R08: dffffc0000000000 R09: ffffed101720765a
R10: ffffed101720765a R11: 1ffff11017207659 R12: ffffffff8c120800
R13: dffffc0000000000 R14: 0000000000000246 R15: 0000000000000001
 __rcu_read_unlock+0x78/0xd0 kernel/rcu/tree_plugin.h:422
 rcu_read_unlock include/linux/rcupdate.h:771 [inline]
 rebalance_domains+0xa51/0xb80 kernel/sched/fair.c:10660
 handle_softirqs+0x328/0x820 kernel/softirq.c:576
 __do_softirq kernel/softirq.c:610 [inline]
 invoke_softirq kernel/softirq.c:450 [inline]
 __irq_exit_rcu+0x12f/0x220 kernel/softirq.c:659
 irq_exit_rcu+0x5/0x20 kernel/softirq.c:671
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1108 [inline]
 sysvec_apic_timer_interrupt+0xa0/0xc0 arch/x86/kernel/apic/apic.c:1108
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:676
RIP: 0010:debug_lockdep_rcu_enabled+0x25/0x30 kernel/rcu/update.c:281
Code: 00 00 cc cc 00 31 c0 83 3d 8b 3c c1 03 00 74 1d 83 3d 02 6f c1 03 00 74 14 65 48 8b 0d 74 3c 5a 76 31 c0 83 b9 ec 0a 00 00 00 <0f> 94 c0 c3 00 00 cc cc 00 00 cc 41 56 53 89 fb e8 16 0a 00 00 41
RSP: 0018:ffffc90003aefc38 EFLAGS: 00000246
RAX: 0000000000000000 RBX: 1ffff9200075df90 RCX: ffff88801eef3b80
RDX: 0000000000000000 RSI: 000000000000000e RDI: ffffffff8a5957e0
RBP: ffffc90003aefd48 R08: dffffc0000000000 R09: ffffc90003aefde0
R10: fffff5200075dfbe R11: 1ffff9200075dfbc R12: dffffc0000000000
R13: dffffc0000000000 R14: ffffffff8a5957e0 R15: 0000000000000000
 ___might_sleep+0x8e/0x600 kernel/sched/core.c:9605
 __might_fault+0x6b/0x110 mm/memory.c:5354
 _copy_from_user+0x29/0x170 lib/usercopy.c:14
 copy_from_user include/linux/uaccess.h:192 [inline]
 get_timespec64+0x8b/0x1a0 kernel/time/time.c:787
 __do_sys_clock_nanosleep kernel/time/posix-timers.c:1303 [inline]
 __se_sys_clock_nanosleep+0x1ab/0x370 kernel/time/posix-timers.c:1291
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f027a8234a5
Code: 24 0c 89 3c 24 48 89 4c 24 18 e8 f6 54 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 8b 74 24 0c 8b 3c 24 b8 e6 00 00 00 0f 05 <44> 89 c7 48 89 04 24 e8 4f 55 ff ff 48 8b 04 24 48 83 c4 28 f7 d8
RSP: 002b:00007ffca6553600 EFLAGS: 00000293 ORIG_RAX: 00000000000000e6
RAX: ffffffffffffffda RBX: 00007f027aa17fa0 RCX: 00007f027a8234a5
RDX: 00007ffca6553640 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007f027aa19da0 R08: 0000000000000000 R09: 00103eb676320857
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000065887
R13: 00007f027aa17fa0 R14: ffffffffffffffff R15: 00007ffca6553780
 </TASK>