rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-...D } 2683 jiffies s: 625 root: 0x1/.
rcu: blocking rcu_node structures (internal RCU debug):
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 3571 Comm: syz-executor315 Not tainted 6.1.78-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024
RIP: 0010:__lock_acquire+0x6fb/0x1f80 kernel/locking/lockdep.c:4999
Code: b7 02 85 c0 48 8b 5c 24 10 75 1f 48 8b 44 24 58 0f b6 04 10 84 c0 0f 85 9f 14 00 00 83 3b 00 41 0f 94 c7 45 00 ff 41 80 c7 02 <48> 8b 44 24 28 0f b6 04 10 84 c0 0f 85 d5 12 00 00 48 8b 44 24 18
RSP: 0018:ffffc90000007a80 EFLAGS: 00000002
RAX: 0000000000000001 RBX: ffff88807c6fc644 RCX: 0000000000000002
RDX: dffffc0000000000 RSI: ffff88807c6fc660 RDI: ffffffff90491228
RBP: 0000000000000002 R08: dffffc0000000000 R09: fffffbfff2092246
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000003
R13: ffff88807c6fbb80 R14: ffff88807c6fc6f8 R15: 1ffff1100f8df802
FS:  0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f9a94c722d0 CR3: 000000001ab7f000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 lock_acquire+0x1f8/0x5a0 kernel/locking/lockdep.c:5662
 __raw_spin_lock_irq include/linux/spinlock_api_smp.h:119 [inline]
 _raw_spin_lock_irq+0xcf/0x110 kernel/locking/spinlock.c:170
 __run_hrtimer kernel/time/hrtimer.c:1690 [inline]
 __hrtimer_run_queues+0x6d3/0xe50 kernel/time/hrtimer.c:1750
 hrtimer_interrupt+0x392/0x980 kernel/time/hrtimer.c:1812
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1095 [inline]
 __sysvec_apic_timer_interrupt+0x156/0x580 arch/x86/kernel/apic/apic.c:1112
 sysvec_apic_timer_interrupt+0x8c/0xb0 arch/x86/kernel/apic/apic.c:1106
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:653
RIP: 0010:__sanitizer_cov_trace_pc+0x0/0x60 kernel/kcov.c:203
Code: e8 25 00 00 00 0f 0b 0f 1f 00 53 48 89 fb e8 17 00 00 00 48 8b 3d 88 c8 e8 0c 48 89 de 5b e9 57 96 56 00 cc cc cc cc cc cc cc <48> 8b 04 24 65 48 8b 0d 94 f1 77 7e 65 8b 15 95 f1 77 7e f7 c2 00
RSP: 0018:ffffc90003bcf6b0 EFLAGS: 00000246
RAX: 0000000000000000 RBX: ffffea0001c1fb88 RCX: ffff88807c6fbb80
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: dffffc0000000000 R08: ffffffff81ec8cf0 R09: fffff94000383f79
R10: 0000000000000000 R11: dffffc0000000001 R12: ffffea0001c1fbc8
R13: ffff888017023b38 R14: 0000000000000001 R15: ffffea0001c1fbc0
 arch_static_branch arch/x86/include/asm/jump_label.h:27 [inline]
 page_fixed_fake_head include/linux/page-flags.h:216 [inline]
 _compound_head include/linux/page-flags.h:257 [inline]
 PageAnon include/linux/page-flags.h:669 [inline]
 page_table_check_clear+0x1a7/0x720 mm/page_table_check.c:74
 zap_pte_range mm/memory.c:1435 [inline]
 zap_pmd_range mm/memory.c:1574 [inline]
 zap_pud_range mm/memory.c:1603 [inline]
 zap_p4d_range mm/memory.c:1624 [inline]
 unmap_page_range+0x1b4a/0x2740 mm/memory.c:1645
 unmap_vmas+0x48b/0x640 mm/memory.c:1730
 exit_mmap+0x252/0x9f0 mm/mmap.c:3227
 __mmput+0x115/0x3c0 kernel/fork.c:1199
 exit_mm+0x226/0x300 kernel/exit.c:563
 do_exit+0x9f6/0x26a0 kernel/exit.c:856
 do_group_exit+0x202/0x2b0 kernel/exit.c:1019
 __do_sys_exit_group kernel/exit.c:1030 [inline]
 __se_sys_exit_group kernel/exit.c:1028 [inline]
 __x64_sys_exit_group+0x3b/0x40 kernel/exit.c:1028
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f9a94beef69
Code: Unable to access opcode bytes at 0x7f9a94beef3f.
RSP: 002b:00007ffd8d8c3ae8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f9a94beef69
RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000
RBP: 00007f9a94c6f390 R08: ffffffffffffffb8 R09: 0000000100000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f9a94c6f390
R13: 0000000000000000 R14: 00007f9a94c71ec0 R15: 00007f9a94bbf440
 </TASK>
INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 2.287 msecs