rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-...D } 2663 jiffies s: 11513 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: 10256 Comm: syz.5.1952 Not tainted 6.1.127-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
RIP: 0010:_test_bit include/asm-generic/bitops/instrumented-non-atomic.h:141 [inline]
RIP: 0010:__lock_acquire+0xcad/0x1f80 kernel/locking/lockdep.c:5019
Code: 00 00 00 fc ff df 0f b6 04 38 84 c0 0f 85 ea 0b 00 00 83 3d a4 bc ca 15 00 75 39 48 63 9c 24 80 00 00 00 48 89 d8 48 c1 e8 06 <48> 8d 3c c5 60 02 25 91 be 08 00 00 00 e8 41 7c 77 00 48 bf 00 00
RSP: 0018:ffffc900001e0a00 EFLAGS: 00000046
RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff97357103
RDX: 0000000000000000 RSI: 0000000000000000 RDI: dffffc0000000000
RBP: ffff88802cd946d8 R08: dffffc0000000000 R09: fffffbfff224a04d
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff88802cd94658
R13: ffff88802cd93b80 R14: ffff88802cd946f8 R15: 1ffff110059b28df
FS:  0000000000000000(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c3c9494 CR3: 000000000d08e000 CR4: 00000000003506e0
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_irqsave include/linux/spinlock_api_smp.h:110 [inline]
 _raw_spin_lock_irqsave+0xd1/0x120 kernel/locking/spinlock.c:162
 debug_object_deactivate+0x63/0x380 lib/debugobjects.c:753
 debug_hrtimer_deactivate kernel/time/hrtimer.c:426 [inline]
 debug_deactivate+0x1d/0x280 kernel/time/hrtimer.c:482
 __run_hrtimer kernel/time/hrtimer.c:1657 [inline]
 __hrtimer_run_queues+0x334/0xe50 kernel/time/hrtimer.c:1753
 hrtimer_interrupt+0x392/0x980 kernel/time/hrtimer.c:1815
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1107 [inline]
 __sysvec_apic_timer_interrupt+0x158/0x5b0 arch/x86/kernel/apic/apic.c:1124
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1118 [inline]
 sysvec_apic_timer_interrupt+0x9b/0xc0 arch/x86/kernel/apic/apic.c:1118
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:691
RIP: 0010:check_kcov_mode kernel/kcov.c:182 [inline]
RIP: 0010:__sanitizer_cov_trace_pc+0x13/0x60 kernel/kcov.c:216
Code: 48 8b 3d c8 8c 10 0d 48 89 de 5b e9 17 bc 56 00 cc cc cc cc cc cc cc 48 8b 04 24 65 48 8b 0d 94 d2 77 7e 65 8b 15 95 d2 77 7e <81> e2 00 01 ff 00 74 11 81 fa 00 01 00 00 75 35 83 b9 1c 16 00 00
RSP: 0018:ffffc900062df318 EFLAGS: 00000246
RAX: ffffffff81cc4ab4 RBX: 0000000000000000 RCX: ffff88802cd93b80
RDX: 0000000080000001 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc900062df510 R08: ffffffff81cc4a9d R09: fffffbfff1d364e6
R10: 0000000000000000 R11: dffffc0000000001 R12: ffffea0000a1c380
R13: ffff888068fea1c0 R14: 1ffffd4000143871 R15: ffffea0000a1c388
 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]
 mm_counter include/linux/mm.h:2136 [inline]
 zap_pte_range mm/memory.c:1452 [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+0x1184/0x2740 mm/memory.c:1645
 unmap_vmas+0x48b/0x640 mm/memory.c:1730
 exit_mmap+0x249/0x980 mm/mmap.c:3238
 __mmput+0x115/0x3c0 kernel/fork.c:1200
 exit_mm+0x226/0x300 kernel/exit.c:565
 do_exit+0x9f1/0x26a0 kernel/exit.c:858
 do_group_exit+0x202/0x2b0 kernel/exit.c:1021
 get_signal+0x16f7/0x17d0 kernel/signal.c:2871
 arch_do_signal_or_restart+0xb0/0x1a10 arch/x86/kernel/signal.c:871
 exit_to_user_mode_loop+0x6a/0x100 kernel/entry/common.c:174
 exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:210
 __syscall_exit_to_user_mode_work kernel/entry/common.c:292 [inline]
 syscall_exit_to_user_mode+0x60/0x270 kernel/entry/common.c:303
 do_syscall_64+0x47/0xb0 arch/x86/entry/common.c:87
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7fc5a158cd29
Code: Unable to access opcode bytes at 0x7fc5a158ccff.
RSP: 002b:00007fc5a13ff0e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: 0000000000000001 RBX: 00007fc5a17a5fa8 RCX: 00007fc5a158cd29
RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc5a17a5fac
RBP: 00007fc5a17a5fa0 R08: 0000000000000010 R09: 0000000000000000
R10: ffffffffffffffff R11: 0000000000000246 R12: 00007fc5a17a5fac
R13: 0000000000000000 R14: 00007ffcefcf10d0 R15: 00007ffcefcf11b8
 </TASK>