------------[ cut here ]------------ WARNING: CPU: 0 PID: 11789 at mm/hugetlb.c:6947 hugetlb_change_protection+0x1195/0x1e20 mm/hugetlb.c:6947 Modules linked in: CPU: 0 PID: 11789 Comm: syz-executor.2 Not tainted 6.8.0-syzkaller-08951-gfe46a7dd189e #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 RIP: 0010:hugetlb_change_protection+0x1195/0x1e20 mm/hugetlb.c:6947 Code: e6 09 48 b8 00 fe ff ff ff ff ff 07 49 21 c6 49 09 de 48 b8 00 00 00 00 00 00 00 c0 49 09 c6 48 ff 44 24 78 e9 97 00 00 00 90 <0f> 0b 90 48 83 bc 24 90 00 00 00 00 4c 8b 6c 24 28 4c 8b 74 24 08 RSP: 0018:ffffc90008fd7580 EFLAGS: 00010212 RAX: 0000000000000002 RBX: f7ffffffffffffff RCX: ffff88802993bc00 RDX: ffff88802993bc00 RSI: fffffffffffffa00 RDI: f7ffffffffffffff RBP: ffffc90008fd7830 R08: ffffffff81f379ee R09: 1ffffd400016d1c6 R10: dffffc0000000000 R11: fffff9400016d1c7 R12: dffffc0000000000 R13: fffffffffffffa00 R14: 000000000000001e R15: ffff88802da38810 FS: 00007f6d16fad6c0(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fdafeb7abf8 CR3: 000000005e894000 CR4: 0000000000350ef0 Call Trace: change_protection+0x361/0x35f0 mm/mprotect.c:537 mprotect_fixup+0x883/0xb80 mm/mprotect.c:653 do_mprotect_pkey+0x903/0xe20 mm/mprotect.c:809 __do_sys_mprotect mm/mprotect.c:830 [inline] __se_sys_mprotect mm/mprotect.c:827 [inline] __x64_sys_mprotect+0x80/0x90 mm/mprotect.c:827 do_syscall_64+0xfd/0x240 entry_SYSCALL_64_after_hwframe+0x6d/0x75 RIP: 0033:0x7f6d1627dde9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f6d16fad0c8 EFLAGS: 00000246 ORIG_RAX: 000000000000000a RAX: ffffffffffffffda RBX: 00007f6d163abf80 RCX: 00007f6d1627dde9 RDX: 0000000000000006 RSI: 0000000000800000 RDI: 0000000020000000 RBP: 00007f6d162ca47a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007f6d163abf80 R15: 00007fff401ec248