------------[ cut here ]------------ WARNING: CPU: 1 PID: 4332 at mm/hugetlb.c:6250 follow_hugetlb_page+0x1326/0x1c80 mm/hugetlb.c:6250 Modules linked in: CPU: 1 PID: 4332 Comm: syz-executor.0 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:ffffc90009a177e0 EFLAGS: 00010202 RAX: 00000000000025f0 RBX: ffff88801ab32410 RCX: ffffc90006152000 RDX: 0000000000040000 RSI: ffffffff81c38f76 RDI: 0000000000000003 RBP: ffffea0001fc8040 R08: 0000000000000000 R09: 0000000000000003 R10: ffffffff81b128fb R11: 000000000000005a R12: 0000000000000001 R13: ffff88801ab32410 R14: ffff88801ab32438 R15: 0000000000000000 FS: 00007f0a539fe700(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f0a54ad6720 CR3: 000000007b3b5000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __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: 0033:0x7f0a54a890e9 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:00007f0a539fe168 EFLAGS: 00000246 ORIG_RAX: 00000000000001ab RAX: ffffffffffffffda RBX: 00007f0a54b9bf60 RCX: 00007f0a54a890e9 RDX: 0000000020000180 RSI: 0000000000000000 RDI: 0000000000000004 RBP: 00007f0a54ae308d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000002 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffd9494dd6f R14: 00007f0a539fe300 R15: 0000000000022000