rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-...D } 2635 jiffies s: 29285 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: 10164 Comm: syz-executor.3 Not tainted 6.10.0-rc5-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 RIP: 0010:native_save_fl arch/x86/include/asm/irqflags.h:26 [inline] RIP: 0010:arch_local_save_flags arch/x86/include/asm/irqflags.h:67 [inline] RIP: 0010:arch_irqs_disabled arch/x86/include/asm/irqflags.h:127 [inline] RIP: 0010:lock_acquire+0x233/0x550 kernel/locking/lockdep.c:5757 Code: 7e 83 f8 01 0f 85 a3 01 00 00 49 89 de 48 c1 eb 03 42 80 3c 2b 00 74 08 4c 89 f7 e8 d7 22 86 00 48 c7 44 24 60 00 00 00 00 9c <8f> 44 24 60 42 80 3c 2b 00 74 08 4c 89 f7 e8 ca 21 86 00 f6 44 24 RSP: 0018:ffffc90000a18b18 EFLAGS: 00000046 RAX: 0000000000000001 RBX: 1ffff92000143170 RCX: 0000000000000001 RDX: dffffc0000000000 RSI: ffffffff8bcacce0 RDI: ffffffff8c1f1740 RBP: ffffc90000a18c68 R08: ffffffff92f71747 R09: 1ffffffff25ee2e8 R10: dffffc0000000000 R11: fffffbfff25ee2e9 R12: 1ffff9200014316c R13: dffffc0000000000 R14: ffffc90000a18b80 R15: 0000000000000046 FS: 0000000000000000(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2c324000 CR3: 000000000e132000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __raw_spin_lock include/linux/spinlock_api_smp.h:133 [inline] _raw_spin_lock+0x2e/0x40 kernel/locking/spinlock.c:154 spin_lock include/linux/spinlock.h:351 [inline] advance_sched+0xab/0xca0 net/sched/sch_taprio.c:924 __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+0xa1/0xc0 arch/x86/kernel/apic/apic.c:1043 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 RIP: 0010:kasan_check_range+0x9/0x290 mm/kasan/generic.c:188 Code: e4 ff 90 0f 0b 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 66 0f 1f 00 55 41 57 41 56 <41> 54 53 b0 01 48 85 f6 0f 84 a0 01 00 00 4c 8d 04 37 49 39 f8 0f RSP: 0018:ffffc90004b57540 EFLAGS: 00000246 RAX: 0000000000000000 RBX: ffff8880189008f8 RCX: ffffffff8204476d RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff8880189008fc RBP: 0000000000000000 R08: ffffffff82044757 R09: 1ffff1100312011f R10: dffffc0000000000 R11: ffffed1003120120 R12: 0000000000000000 R13: ffff8880189008b0 R14: 0000000000000000 R15: 1ffffffff28fadd0 instrument_atomic_read_write include/linux/instrumented.h:96 [inline] atomic_dec_return include/linux/atomic/atomic-instrumented.h:610 [inline] page_table_check_clear+0x1cd/0x550 mm/page_table_check.c:90 get_and_clear_full_ptes include/linux/pgtable.h:678 [inline] zap_present_folio_ptes mm/memory.c:1481 [inline] zap_present_ptes mm/memory.c:1564 [inline] zap_pte_range mm/memory.c:1606 [inline] zap_pmd_range mm/memory.c:1724 [inline] zap_pud_range mm/memory.c:1753 [inline] zap_p4d_range mm/memory.c:1774 [inline] unmap_page_range+0x2cd0/0x40f0 mm/memory.c:1795 unmap_vmas+0x3cc/0x5f0 mm/memory.c:1885 exit_mmap+0x264/0xc80 mm/mmap.c:3341 __mmput+0x115/0x3c0 kernel/fork.c:1346 exit_mm+0x220/0x310 kernel/exit.c:565 do_exit+0x9aa/0x27e0 kernel/exit.c:861 do_group_exit+0x207/0x2c0 kernel/exit.c:1023 __do_sys_exit_group kernel/exit.c:1034 [inline] __se_sys_exit_group kernel/exit.c:1032 [inline] __x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1032 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: 0033:0x7f2cf587d0a9 Code: Unable to access opcode bytes at 0x7f2cf587d07f. RSP: 002b:00007ffd4f61e058 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2cf587d0a9 RDX: 0000000000000064 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000001 R08: 0000000500000000 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007ffd4f61e130 R15: 0000000000000001