rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 2944 jiffies s: 49149 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: 7526 Comm: syz.1.773 Not tainted 6.10.0-rc5-next-20240624-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
RIP: 0010:check_preemption_disabled+0x4/0x120 lib/smp_processor_id.c:13
Code: 8c 48 c7 c6 c0 74 20 8c eb 1c 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 41 57 41 56 <41> 54 53 48 83 ec 10 65 48 8b 04 25 28 00 00 00 48 89 44 24 08 65
RSP: 0018:ffffc90000a17f08 EFLAGS: 00000046
RAX: 1ffff110049b251a RBX: 0000000000000046 RCX: ffffc90000a17f03
RDX: 0000000000000005 RSI: ffffffff8bcad9a0 RDI: ffffffff8c2074e0
RBP: ffffc90000a18050 R08: ffffffff8faeec6f R09: 1ffffffff1f5dd8d
R10: dffffc0000000000 R11: fffffbfff1f5dd8e R12: 1ffff92000142ff0
R13: 0000000000000046 R14: ffffc90000a17fb0 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055555c1985c8 CR3: 00000000673b8000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 lockdep_recursion_finish kernel/locking/lockdep.c:467 [inline]
 lock_release+0x5c4/0x9f0 kernel/locking/lockdep.c:5838
 __raw_spin_unlock include/linux/spinlock_api_smp.h:141 [inline]
 _raw_spin_unlock+0x16/0x50 kernel/locking/spinlock.c:186
 spin_unlock include/linux/spinlock.h:391 [inline]
 advance_sched+0x9b4/0xca0 net/sched/sch_taprio.c:981
 __run_hrtimer kernel/time/hrtimer.c:1687 [inline]
 __hrtimer_run_queues+0x59b/0xd50 kernel/time/hrtimer.c:1751
 hrtimer_interrupt+0x396/0x990 kernel/time/hrtimer.c:1813
 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+0x52/0xc0 arch/x86/kernel/apic/apic.c:1043
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:console_flush_all+0x9f7/0xf50 kernel/printk/printk.c:3103
Code: 20 00 90 0f 0b 90 e9 f3 f9 ff ff e8 03 14 20 00 e8 0e 3b 1a 0a 4d 85 f6 74 c0 e8 f4 13 20 00 fb 49 bd 00 00 00 00 00 fc ff df <43> 80 3c 2f 00 48 8b 5c 24 30 74 08 48 89 df e8 15 b6 86 00 4c 8b
RSP: 0018:ffffc90000a184a0 EFLAGS: 00000246
RAX: ffffffff81735ecc RBX: 0000000000000000 RCX: ffff888024d91e00
RDX: 0000000000000102 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90000a18630 R08: ffffffff81735e73 R09: 1ffffffff25fc8fb
R10: dffffc0000000000 R11: fffffbfff25fc8fc R12: ffffffff8eb2cd00
R13: dffffc0000000000 R14: 0000000000000200 R15: 1ffffffff1d659ab
 console_unlock+0x13b/0x4d0 kernel/printk/printk.c:3173
 vprintk_emit+0x7a1/0x900 kernel/printk/printk.c:2423
 _printk+0xd5/0x120 kernel/printk/printk.c:2450
 printk_stack_address arch/x86/kernel/dumpstack.c:72 [inline]
 show_trace_log_lvl+0x43a/0x520 arch/x86/kernel/dumpstack.c:285
 sched_show_task+0x578/0x740 kernel/sched/core.c:7506
 report_rtnl_holders+0x1ba/0x2d0 net/core/rtnetlink.c:104
 call_timer_fn+0x18e/0x650 kernel/time/timer.c:1792
 expire_timers kernel/time/timer.c:1843 [inline]
 __run_timers kernel/time/timer.c:2417 [inline]
 __run_timer_base+0x66a/0x8e0 kernel/time/timer.c:2428
 run_timer_base kernel/time/timer.c:2437 [inline]
 run_timer_softirq+0xb7/0x170 kernel/time/timer.c:2447
 handle_softirqs+0x2c4/0x970 kernel/softirq.c:554
 __do_softirq kernel/softirq.c:588 [inline]
 invoke_softirq kernel/softirq.c:428 [inline]
 __irq_exit_rcu+0xf4/0x1c0 kernel/softirq.c:637
 irq_exit_rcu+0x9/0x30 kernel/softirq.c:649
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1043 [inline]
 sysvec_apic_timer_interrupt+0xa6/0xc0 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:check_kcov_mode kernel/kcov.c:184 [inline]
RIP: 0010:write_comp_data kernel/kcov.c:236 [inline]
RIP: 0010:__sanitizer_cov_trace_const_cmp8+0x35/0x90 kernel/kcov.c:311
Code: 0c 25 c0 d5 03 00 65 8b 05 10 5e 70 7e a9 00 01 ff 00 74 10 a9 00 01 00 00 74 57 83 b9 1c 16 00 00 00 74 4e 8b 81 f8 15 00 00 <83> f8 03 75 43 48 8b 91 00 16 00 00 44 8b 89 fc 15 00 00 49 c1 e1
RSP: 0018:ffffc900031772f8 EFLAGS: 00000246
RAX: 0000000000000000 RBX: 00fff8000004022c RCX: ffff888024d91e00
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90003177650 R08: ffffffff81e2d91a R09: 1ffffd40005ff5d0
R10: dffffc0000000000 R11: fffff940005ff5d1 R12: 1ffff1100f912e00
R13: 00000000bfeba027 R14: ffffea0002ffae80 R15: dffffc0000000000
 constant_test_bit arch/x86/include/asm/bitops.h:206 [inline]
 arch_test_bit arch/x86/include/asm/bitops.h:238 [inline]
 _test_bit include/asm-generic/bitops/instrumented-non-atomic.h:142 [inline]
 folio_test_head include/linux/page-flags.h:827 [inline]
 folio_test_large include/linux/page-flags.h:848 [inline]
 folio_mapcount+0x8a/0x1e0 include/linux/mm.h:1253
 zap_present_folio_ptes mm/memory.c:1519 [inline]
 zap_present_ptes mm/memory.c:1576 [inline]
 zap_pte_range mm/memory.c:1618 [inline]
 zap_pmd_range mm/memory.c:1736 [inline]
 zap_pud_range mm/memory.c:1765 [inline]
 zap_p4d_range mm/memory.c:1786 [inline]
 unmap_page_range+0x1b9b/0x42c0 mm/memory.c:1807
 unmap_vmas+0x3cc/0x5f0 mm/memory.c:1897
 exit_mmap+0x264/0xc80 mm/mmap.c:3382
 __mmput+0x115/0x390 kernel/fork.c:1346
 exit_mm+0x220/0x310 kernel/exit.c:567
 do_exit+0x9aa/0x28e0 kernel/exit.c:863
 do_group_exit+0x207/0x2c0 kernel/exit.c:1025
 get_signal+0x16a1/0x1740 kernel/signal.c:2909
 arch_do_signal_or_restart+0x96/0x830 arch/x86/kernel/signal.c:310
 exit_to_user_mode_loop kernel/entry/common.c:111 [inline]
 exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline]
 __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline]
 syscall_exit_to_user_mode+0xc9/0x370 kernel/entry/common.c:218
 do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f294c175d39
Code: Unable to access opcode bytes at 0x7f294c175d0f.
RSP: 002b:00007ffcc07a5028 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: 0000000000000000 RBX: 0000000000038812 RCX: 00007f294c175d39
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f294c303fac
RBP: 00000000000387e0 R08: 7fffffffffffffff R09: 00000005c07a533f
R10: 00007ffcc07a5110 R11: 0000000000000246 R12: 00007f294c303fac
R13: 0000000000000032 R14: 00007ffcc07a5130 R15: 00007ffcc07a5110
 </TASK>