------------[ cut here ]------------ WARNING: CPU: 1 PID: 8237 at mm/hugetlb.c:6958 hugetlb_change_protection+0x1195/0x1e20 mm/hugetlb.c:6958 Modules linked in: CPU: 1 PID: 8237 Comm: syz-executor.2 Not tainted 6.9.0-rc2-next-20240405-syzkaller #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:6958 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:ffffc9000330f580 EFLAGS: 00010212 RAX: 0000000000000002 RBX: f7ffffffffffffff RCX: ffff88801ebc3c00 RDX: ffff88801ebc3c00 RSI: fffffffffffffa00 RDI: f7ffffffffffffff RBP: ffffc9000330f830 R08: ffffffff81f5a89e R09: 1ffffd40003e2ede R10: dffffc0000000000 R11: fffff940003e2edf R12: dffffc0000000000 R13: fffffffffffffa00 R14: 000000000000001e R15: ffff88807c5db810 FS: 00007f0a7125f6c0(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b31d25000 CR3: 000000007de62000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: change_protection+0x327/0x3790 mm/mprotect.c:538 mprotect_fixup+0x755/0xab0 mm/mprotect.c:654 do_mprotect_pkey+0x903/0xdd0 mm/mprotect.c:810 __do_sys_mprotect mm/mprotect.c:831 [inline] __se_sys_mprotect mm/mprotect.c:828 [inline] __x64_sys_mprotect+0x80/0x90 mm/mprotect.c:828 do_syscall_64+0xfb/0x240 entry_SYSCALL_64_after_hwframe+0x72/0x7a RIP: 0033:0x7f0a7047de69 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:00007f0a7125f0c8 EFLAGS: 00000246 ORIG_RAX: 000000000000000a RAX: ffffffffffffffda RBX: 00007f0a705abf80 RCX: 00007f0a7047de69 RDX: 0000000000000000 RSI: 0000000000800000 RDI: 0000000020000000 RBP: 00007f0a704ca47a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007f0a705abf80 R15: 00007fff65f0b128