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WARNING: mm/page_table_check.c:191 at page_table_check_pte_flags mm/page_table_check.c:191 [inline], CPU#1: syz.5.988/8742
WARNING: mm/page_table_check.c:191 at __page_table_check_ptes_set+0x238/0x254 mm/page_table_check.c:207, CPU#1: syz.5.988/8742
Modules linked in:
CPU: 1 UID: 0 PID: 8742 Comm: syz.5.988 Tainted: G             L      syzkaller #0 PREEMPT 
Tainted: [L]=SOFTLOCKUP
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026
pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--)
pc : page_table_check_pte_flags mm/page_table_check.c:191 [inline]
pc : __page_table_check_ptes_set+0x238/0x254 mm/page_table_check.c:207
lr : page_table_check_pte_flags mm/page_table_check.c:191 [inline]
lr : __page_table_check_ptes_set+0x238/0x254 mm/page_table_check.c:207
sp : ffff8000939678c0
x29: ffff8000939678d0 x28: ffff70001272cf4c x27: fffffdffc40326c0
x26: fffffdffc40326c0 x25: 0000000000000004 x24: 0408000000000000
x23: 0408000000000000 x22: ffff0000caf95400 x21: ffff0000ca45eff0
x20: 0000000000000001 x19: 04a8000140c9bf43 x18: 0000000000000000
x17: 0000000000000000 x16: ffff0001fea147c0 x15: ffff0001fea147d0
x14: 0000000000000000 x13: 0000000000000001 x12: 0000000000000000
x11: 0000000000000000 x10: 0000000000080000 x9 : 000000000000cbba
x8 : ffff80009c18d000 x7 : ffff800080b01bf8 x6 : 0000000000000000
x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff800080c1d004
x2 : 0408000000000000 x1 : ffff0000d40dba00 x0 : 0000000000000001
Call trace:
 page_table_check_pte_flags mm/page_table_check.c:191 [inline] (P)
 __page_table_check_ptes_set+0x238/0x254 mm/page_table_check.c:207 (P)
 page_table_check_ptes_set include/linux/page_table_check.h:83 [inline]
 __set_ptes_anysz+0x4dc/0x51c arch/arm64/include/asm/pgtable.h:681
 __set_ptes arch/arm64/include/asm/pgtable.h:714 [inline]
 set_ptes arch/arm64/include/asm/pgtable.h:1782 [inline]
 do_swap_page+0x2048/0x4334 mm/memory.c:5144
 handle_pte_fault mm/memory.c:6430 [inline]
 __handle_mm_fault mm/memory.c:6565 [inline]
 handle_mm_fault+0x115c/0x253c mm/memory.c:6734
 do_page_fault+0x77c/0xb88 arch/arm64/mm/fault.c:704
 do_translation_fault+0xc4/0x114 arch/arm64/mm/fault.c:840
 do_mem_abort+0x70/0x194 arch/arm64/mm/fault.c:980
 el0_da+0x78/0x254 arch/arm64/kernel/entry-common.c:552
 el0t_64_sync_handler+0x10c/0x148 arch/arm64/kernel/entry-common.c:758
 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:594
irq event stamp: 1698
hardirqs last  enabled at (1697): [<ffff800086852e6c>] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:178 [inline]
hardirqs last  enabled at (1697): [<ffff800086852e6c>] _raw_spin_unlock_irqrestore+0x38/0x98 kernel/locking/spinlock.c:198
hardirqs last disabled at (1698): [<ffff80008682e34c>] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:425
softirqs last  enabled at (1672): [<ffff80008013b4c0>] local_bh_enable include/linux/bottom_half.h:33 [inline]
softirqs last  enabled at (1672): [<ffff80008013b4c0>] put_cpu_fpsimd_context arch/arm64/kernel/fpsimd.c:251 [inline]
softirqs last  enabled at (1672): [<ffff80008013b4c0>] fpsimd_restore_current_state+0x39c/0x9c8 arch/arm64/kernel/fpsimd.c:1793
softirqs last disabled at (1670): [<ffff80008013b168>] local_bh_disable include/linux/bottom_half.h:20 [inline]
softirqs last disabled at (1670): [<ffff80008013b168>] get_cpu_fpsimd_context arch/arm64/kernel/fpsimd.c:234 [inline]
softirqs last disabled at (1670): [<ffff80008013b168>] fpsimd_restore_current_state+0x44/0x9c8 arch/arm64/kernel/fpsimd.c:1786
---[ end trace 0000000000000000 ]---