rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-...D } 2636 jiffies s: 2425 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: 5499 Comm: syz-executor.0 Not tainted 6.7.0-rc4-syzkaller-g33cc938e65a9 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023
RIP: 0010:native_irq_disable arch/x86/include/asm/irqflags.h:37 [inline]
RIP: 0010:arch_local_irq_disable arch/x86/include/asm/irqflags.h:72 [inline]
RIP: 0010:arch_local_irq_save arch/x86/include/asm/irqflags.h:104 [inline]
RIP: 0010:lock_acquire kernel/locking/lockdep.c:5750 [inline]
RIP: 0010:lock_acquire+0x162/0x520 kernel/locking/lockdep.c:5719
Code: 83 e0 07 83 c0 03 38 c8 7c 08 84 c9 0f 85 7d 03 00 00 8b 92 bc 0a 00 00 85 d2 0f 85 d2 00 00 00 9c 8f 44 24 08 48 8b 6c 24 08 <fa> 48 c7 c7 a0 ba cc 8a e8 51 d3 17 09 48 89 e8 45 89 e0 44 89 ea
RSP: 0018:ffffc900001f0c20 EFLAGS: 00000046
RAX: 0000000000000007 RBX: 1ffff9200003e186 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff8b2f0ce0 RDI: ffff888026ec63fc
RBP: 0000000000000046 R08: 0000000000000000 R09: fffffbfff1e3277a
R10: ffffffff8f193bd7 R11: 0000000000000001 R12: 0000000000000001
R13: 0000000000000001 R14: ffffffff8da35de0 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020000600 CR3: 000000000cd77000 CR4: 0000000000350ef0
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 debug_objects_fill_pool lib/debugobjects.c:614 [inline]
 debug_object_activate+0x144/0x490 lib/debugobjects.c:713
 debug_hrtimer_activate kernel/time/hrtimer.c:422 [inline]
 debug_activate kernel/time/hrtimer.c:477 [inline]
 enqueue_hrtimer+0x23/0x310 kernel/time/hrtimer.c:1087
 __run_hrtimer kernel/time/hrtimer.c:1705 [inline]
 __hrtimer_run_queues+0xa12/0xc20 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:645
RIP: 0010:check_kcov_mode kernel/kcov.c:173 [inline]
RIP: 0010:__sanitizer_cov_trace_pc+0x1d/0x60 kernel/kcov.c:207
Code: 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 f3 0f 1e fa 65 48 8b 14 25 c0 bc 03 00 65 8b 05 74 32 7c 7e a9 00 01 ff 00 48 8b 34 24 <74> 0f f6 c4 01 74 35 8b 82 fc 15 00 00 85 c0 74 2b 8b 82 d8 15 00
RSP: 0018:ffffc9000545f6d0 EFLAGS: 00000246
RAX: 0000000080000000 RBX: 0000000000000011 RCX: ffffffff81c8d92e
RDX: ffff888026ec5940 RSI: ffffffff81c8d98b RDI: 0000000000000001
RBP: 0000000000000001 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000002 R12: 00007f6033624000
R13: ffff8880214adc08 R14: ffffc9000545fac8 R15: 00007f6033624000
 unmap_page_range+0x1f4b/0x2b50 mm/memory.c:1656
 unmap_single_vma+0x194/0x2b0 mm/memory.c:1699
 unmap_vmas+0x229/0x470 mm/memory.c:1743
 exit_mmap+0x1ad/0xa70 mm/mmap.c:3308
 __mmput+0x12a/0x4d0 kernel/fork.c:1349
 mmput+0x62/0x70 kernel/fork.c:1371
 exit_mm kernel/exit.c:567 [inline]
 do_exit+0x9ad/0x2ae0 kernel/exit.c:858
 do_group_exit+0xd4/0x2a0 kernel/exit.c:1021
 get_signal+0x23be/0x2790 kernel/signal.c:2904
 arch_do_signal_or_restart+0x90/0x7f0 arch/x86/kernel/signal.c:309
 exit_to_user_mode_loop kernel/entry/common.c:168 [inline]
 exit_to_user_mode_prepare+0x121/0x240 kernel/entry/common.c:204
 __syscall_exit_to_user_mode_work kernel/entry/common.c:285 [inline]
 syscall_exit_to_user_mode+0x1e/0x60 kernel/entry/common.c:296
 do_syscall_64+0x4d/0x110 arch/x86/entry/common.c:88
 entry_SYSCALL_64_after_hwframe+0x63/0x6b
RIP: 0033:0x7f603367cae9
Code: Unable to access opcode bytes at 0x7f603367cabf.
RSP: 002b:00007f603440f178 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 00007f603379bf88 RCX: 00007f603367cae9
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f603379bf88
RBP: 00007f603379bf80 R08: 00007f603440f6c0 R09: 00007f603440f6c0
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f603379bf8c
R13: 000000000000000b R14: 00007ffec30302a0 R15: 00007ffec3030388
 </TASK>