rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-...D } 2680 jiffies s: 2573 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: 4769 Comm: dhcpcd Not tainted 6.10.0-syzkaller-11835-g527eff227d43 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024
RIP: 0010:__lock_acquire+0xdbf/0x2040 kernel/locking/lockdep.c:5132
Code: 60 00 00 74 0d 41 bc 01 00 00 00 49 c7 c6 ff ff ff ff 48 8b 44 24 20 0f b6 04 38 84 c0 0f 85 e0 0b 00 00 48 8b 44 24 10 8b 18 <48> 83 bc 24 c8 00 00 00 00 0f 84 99 00 00 00 48 8b 44 24 38 0f b6
RSP: 0018:ffffc90000a18910 EFLAGS: 00000046
RAX: ffff888027dbe550 RBX: 00000000000c4001 RCX: ffff888027dbe4e0
RDX: 0000000000000000 RSI: 0000000000000008 RDI: dffffc0000000000
RBP: ffff888027dbe530 R08: ffffffff93002807 R09: 1ffffffff2600500
R10: dffffc0000000000 R11: fffffbfff2600501 R12: 0000000000000000
R13: ffff888027dbe4d8 R14: 3be9ba32c8301548 R15: ffff888027dbe550
FS:  00007fe54792b740(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fe547ad0c88 CR3: 000000001f4e8000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5759
 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
 _raw_spin_lock_irqsave+0xd5/0x120 kernel/locking/spinlock.c:162
 debug_object_activate+0x16d/0x510 lib/debugobjects.c:709
 debug_hrtimer_activate kernel/time/hrtimer.c:423 [inline]
 debug_activate kernel/time/hrtimer.c:478 [inline]
 enqueue_hrtimer+0x30/0x3c0 kernel/time/hrtimer.c:1085
 __run_hrtimer kernel/time/hrtimer.c:1706 [inline]
 __hrtimer_run_queues+0x6cb/0xd50 kernel/time/hrtimer.c:1753
 hrtimer_interrupt+0x396/0x990 kernel/time/hrtimer.c:1815
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1032 [inline]
 __sysvec_apic_timer_interrupt+0x110/0x3f0 arch/x86/kernel/apic/apic.c:1049
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1043 [inline]
 sysvec_apic_timer_interrupt+0xa1/0xc0 arch/x86/kernel/apic/apic.c:1043
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:__sanitizer_cov_trace_pc+0x0/0x70 kernel/kcov.c:200
Code: 89 fb e8 23 00 00 00 48 8b 3d ec b0 4b 0c 48 89 de 5b e9 63 9b 5b 00 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 <f3> 0f 1e fa 48 8b 04 24 65 48 8b 0c 25 40 d7 03 00 65 8b 15 10 55
RSP: 0018:ffffc900039f7198 EFLAGS: 00000246
RAX: 0000000000000000 RBX: ffffc900039f7318 RCX: ffff888027dbda00
RDX: 0000000000000008 RSI: ffffffff8e1a32a0 RDI: 0000000000000005
RBP: 0000000000000005 R08: 0000000000000005 R09: ffffffff81410f0e
R10: 0000000000000008 R11: ffff888027dbda00 R12: ffffffff8fbfdac0
R13: dffffc0000000000 R14: ffffc900039f7330 R15: 1ffff9200073ee5c
 unwind_next_frame+0x8d6/0x2a00 arch/x86/kernel/unwind_orc.c:517
 __unwind_start+0x641/0x7c0 arch/x86/kernel/unwind_orc.c:760
 unwind_start arch/x86/include/asm/unwind.h:64 [inline]
 arch_stack_walk+0x103/0x1b0 arch/x86/kernel/stacktrace.c:24
 stack_trace_save+0x118/0x1d0 kernel/stacktrace.c:122
 kasan_save_stack mm/kasan/common.c:47 [inline]
 kasan_save_track+0x3f/0x80 mm/kasan/common.c:68
 unpoison_slab_object mm/kasan/common.c:312 [inline]
 __kasan_slab_alloc+0x66/0x80 mm/kasan/common.c:338
 kasan_slab_alloc include/linux/kasan.h:201 [inline]
 slab_post_alloc_hook mm/slub.c:3988 [inline]
 slab_alloc_node mm/slub.c:4037 [inline]
 kmem_cache_alloc_noprof+0x135/0x2a0 mm/slub.c:4044
 fill_pool lib/debugobjects.c:169 [inline]
 debug_objects_fill_pool+0x63f/0x9b0 lib/debugobjects.c:616
 __debug_object_init+0xa4/0x400 lib/debugobjects.c:628
 debug_hrtimer_init kernel/time/hrtimer.c:417 [inline]
 debug_init+0x24/0x230 kernel/time/hrtimer.c:471
 hrtimer_init+0x22/0x40 kernel/time/hrtimer.c:1596
 copy_signal+0x360/0x670 kernel/fork.c:1865
 copy_process+0x1823/0x3dc0 kernel/fork.c:2371
 kernel_clone+0x226/0x8f0 kernel/fork.c:2781
 __do_sys_clone kernel/fork.c:2924 [inline]
 __se_sys_clone kernel/fork.c:2908 [inline]
 __x64_sys_clone+0x258/0x2a0 kernel/fork.c:2908
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fe5479dba12
Code: 41 5d 41 5e 41 5f c3 64 48 8b 04 25 10 00 00 00 45 31 c0 31 d2 31 f6 bf 11 00 20 01 4c 8d 90 d0 02 00 00 b8 38 00 00 00 0f 05 <48> 3d 00 f0 ff ff 76 10 48 8b 15 e7 43 0f 00 f7 d8 64 89 02 48 83
RSP: 002b:00007ffc422d6348 EFLAGS: 00000246 ORIG_RAX: 0000000000000038
RAX: ffffffffffffffda RBX: 0000558587e12901 RCX: 00007fe5479dba12
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011
RBP: 00007ffc422f68b8 R08: 0000000000000000 R09: 0000558587e12970
R10: 00007fe54792ba10 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000558587e129a4
 </TASK>