------------[ cut here ]------------ WARNING: CPU: 0 PID: 8664 at mm/hugetlb.c:7048 hugetlb_change_protection+0xac8/0x139c Modules linked in: CPU: 0 PID: 8664 Comm: syz-executor.2 Not tainted 6.9.0-rc4-syzkaller-g6a71d2909427 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 pstate: 60401005 (nZCv daif +PAN -UAO -TCO -DIT +SSBS BTYPE=--) pc : hugetlb_change_protection+0xac8/0x139c lr : is_pte_marker include/linux/swapops.h:421 [inline] lr : hugetlb_change_protection+0x84c/0x139c mm/hugetlb.c:7046 sp : ffff80009b177360 x29: ffff80009b177520 x28: ffff800093707f28 x27: 00000000000002f8 x26: 0000000000000000 x25: ffff0000c96bc500 x24: ffff0000da815810 x23: 00000000000000f8 x22: 0000000020400000 x21: ffff0000d3d00ea0 x20: 00000000000000f8 x19: ffff0000c96bc520 x18: ffff80009b177020 x17: 0000000000039ac6 x16: ffff800080332544 x15: 0000000000000001 x14: 1fffffbff86d40ae x13: 0000000000000000 x12: 0000000000000000 x11: 0000000000040000 x10: 0000000000ff0100 x9 : 0000000000000002 x8 : ffff0000ed430000 x7 : 0000000000000000 x6 : 0000000000000000 x5 : 0000000000000020 x4 : 0000000000000000 x3 : ffff8000809feef0 x2 : 0000000000000000 x1 : 00000000000000f8 x0 : 00000000000000f8 Call trace: hugetlb_change_protection+0xac8/0x139c change_protection+0x320/0x34b4 mm/mprotect.c:537 mprotect_fixup+0x620/0x8b8 mm/mprotect.c:653 do_mprotect_pkey mm/mprotect.c:809 [inline] __do_sys_mprotect mm/mprotect.c:830 [inline] __se_sys_mprotect mm/mprotect.c:827 [inline] __arm64_sys_mprotect+0x7b4/0xba4 mm/mprotect.c:827 __invoke_syscall arch/arm64/kernel/syscall.c:34 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:48 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:133 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:152 el0_svc+0x54/0x168 arch/arm64/kernel/entry-common.c:712 el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:730 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:598 irq event stamp: 368 hardirqs last enabled at (367): [] __call_rcu_common kernel/rcu/tree.c:2756 [inline] hardirqs last enabled at (367): [] call_rcu+0x648/0xb08 kernel/rcu/tree.c:2838 hardirqs last disabled at (368): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:470 softirqs last enabled at (338): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (336): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]---