------------[ cut here ]------------ WARNING: CPU: 1 PID: 6724 at mm/hugetlb.c:6947 hugetlb_change_protection+0xf2d/0x1a70 mm/hugetlb.c:6947 Modules linked in: CPU: 1 PID: 6724 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+0xf2d/0x1a70 mm/hugetlb.c:6947 Code: 49 89 d5 48 89 d5 41 80 cd 80 e9 be f9 ff ff e8 a9 ed a8 ff 4c 89 e6 48 89 ef e8 1e bf 0e 00 e9 25 f8 ff ff e8 94 ed a8 ff 90 <0f> 0b 90 48 8b ac 24 80 00 00 00 31 ff 48 89 ee e8 8e e8 a8 ff 48 RSP: 0018:ffffc90004257850 EFLAGS: 00010283 RAX: 00000000000079cd RBX: ffff888042e90810 RCX: ffffc9000a120000 RDX: 0000000000040000 RSI: ffffffff81e54e9c RDI: 0000000000000007 RBP: 000000000000001f R08: 0000000000000007 R09: 000000000000001f R10: 000000000000001f R11: ffffffff934953b8 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000020400000 R15: ffff88807e00df00 FS: 00007faaa1faa6c0(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000200000c0 CR3: 000000002b384000 CR4: 0000000000350ef0 Call Trace: change_protection+0x1275/0x3480 mm/mprotect.c:537 mprotect_fixup+0x628/0xc90 mm/mprotect.c:653 do_mprotect_pkey+0x859/0xd70 mm/mprotect.c:809 __do_sys_mprotect mm/mprotect.c:830 [inline] __se_sys_mprotect mm/mprotect.c:827 [inline] __x64_sys_mprotect+0x78/0xc0 mm/mprotect.c:827 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xd5/0x260 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x6d/0x75 RIP: 0033:0x7faaa127dde9 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:00007faaa1faa0c8 EFLAGS: 00000246 ORIG_RAX: 000000000000000a RAX: ffffffffffffffda RBX: 00007faaa13abf80 RCX: 00007faaa127dde9 RDX: 0000000000000006 RSI: 0000000000800000 RDI: 0000000020000000 RBP: 00007faaa12ca47a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007faaa13abf80 R15: 00007ffcd196c108