------------[ cut here ]------------
WARNING: CPU: 0 PID: 13830 at mm/hugetlb.c:6630 follow_hugetlb_page+0x2763/0x2880 mm/hugetlb.c:6629
Modules linked in:
CPU: 0 PID: 13830 Comm: syz.5.2734 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
RIP: 0010:follow_hugetlb_page+0x2763/0x2880 mm/hugetlb.c:6629
Code: 00 48 89 44 24 28 4c 0f 44 f1 31 ff 89 de e8 54 31 b3 ff 4c 89 f3 e9 c2 fd ff ff 48 bb 00 00 00 00 f4 ff ff ff e8 dd 2d b3 ff <0f> 0b eb ae 44 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c f8 fe ff ff 4c
RSP: 0018:ffffc900035af4b0 EFLAGS: 00010283
RAX: ffffffff81cf0503 RBX: fffffff400000000 RCX: 0000000000080000
RDX: ffffc90003c59000 RSI: 0000000000000612 RDI: 0000000000000613
RBP: 0000200000000340 R08: ffff888072885a00 R09: 0000000000000002
R10: 0200000000000000 R11: 0000000000000002 R12: ffff888022a48000
R13: dffffc0000000000 R14: ffff88805d619240 R15: ffffffff96c6c4f8
FS:  00007f52e40616c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2f61fff8 CR3: 0000000053a9a000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 __get_user_pages+0x547/0xec0 mm/gup.c:1222
 __get_user_pages_locked mm/gup.c:1454 [inline]
 __gup_longterm_locked+0x24d/0x1b20 mm/gup.c:2157
 io_pin_pages+0x120/0x460 io_uring/rsrc.c:1001
 io_sqe_buffer_register+0x15d/0x17b0 io_uring/rsrc.c:1058
 __io_sqe_buffers_update io_uring/rsrc.c:543 [inline]
 __io_register_rsrc_update+0x80a/0x1930 io_uring/rsrc.c:585
 io_register_rsrc_update+0x1aa/0x1c0 io_uring/rsrc.c:616
 __io_uring_register io_uring/io_uring.c:-1 [inline]
 __do_sys_io_uring_register io_uring/io_uring.c:4275 [inline]
 __se_sys_io_uring_register+0x74e/0xeb0 io_uring/io_uring.c:4252
 do_syscall_x64 arch/x86/entry/common.c:46 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f52e319e159
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f52e4061028 EFLAGS: 00000246 ORIG_RAX: 00000000000001ab
RAX: ffffffffffffffda RBX: 00007f52e3425fa0 RCX: 00007f52e319e159
RDX: 0000200000000600 RSI: 0000000000000010 RDI: 0000000000000003
RBP: 00007f52e323506b R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000020 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f52e3426038 R14: 00007f52e3425fa0 R15: 00007ffc36216548
 </TASK>