------------[ cut here ]------------
WARNING: CPU: 1 PID: 20053 at mm/hugetlb.c:6250 follow_hugetlb_page+0x1326/0x1c80 mm/hugetlb.c:6250
Modules linked in:
CPU: 1 PID: 20053 Comm: syz-executor.4 Not tainted 5.18.0-rc6-next-20220513-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:follow_hugetlb_page+0x1326/0x1c80 mm/hugetlb.c:6250
Code: 89 44 24 70 e8 2b 1d b7 ff 48 8b 44 24 70 48 85 c0 0f 84 f1 07 00 00 e8 88 1a b7 ff 48 83 ed 01 e9 09 fb ff ff e8 7a 1a b7 ff <0f> 0b 48 8b 7c 24 30 bb f4 ff ff ff e8 69 74 b8 07 4c 8b a4 24 b8
RSP: 0018:ffffc9001584f7e0 EFLAGS: 00010212
RAX: 0000000000000ff5 RBX: ffff88806d988d48 RCX: ffffc90003372000
RDX: 0000000000040000 RSI: ffffffff81c38f76 RDI: 0000000000000003
RBP: ffffea0001488040 R08: 0000000000000000 R09: 0000000000000003
R10: ffffffff81b128fb R11: 00000000000000d8 R12: 0000000000000001
R13: ffff88806d988d48 R14: ffff88806d988ca8 R15: 0000000000000000
FS:  00007f220c224700(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2ef29000 CR3: 00000000408cf000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 __get_user_pages+0x27a/0xfa0 mm/gup.c:1146
 __get_user_pages_locked mm/gup.c:1365 [inline]
 __gup_longterm_locked+0x1d5/0xfe0 mm/gup.c:1985
 pin_user_pages+0x8e/0xe0 mm/gup.c:3118
 io_sqe_buffer_register+0x254/0x1710 fs/io_uring.c:10537
 io_sqe_buffers_register.cold+0x28e/0x443 fs/io_uring.c:10664
 __io_uring_register fs/io_uring.c:12682 [inline]
 __do_sys_io_uring_register+0xd21/0x1930 fs/io_uring.c:12816
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x46/0xb0
RIP: 0033:0x7f220b0890e9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f220c224168 EFLAGS: 00000246 ORIG_RAX: 00000000000001ab
RAX: ffffffffffffffda RBX: 00007f220b19bf60 RCX: 00007f220b0890e9
RDX: 00000000200006c0 RSI: 0000000000000000 RDI: 0000000000000004
RBP: 00007f220b0e308d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffde59373cf R14: 00007f220c224300 R15: 0000000000022000
 </TASK>