------------[ cut here ]------------
WARNING: CPU: 1 PID: 32016 at mm/vmalloc.c:542 vmap_pages_pte_range mm/vmalloc.c:542 [inline]
WARNING: CPU: 1 PID: 32016 at mm/vmalloc.c:542 vmap_pages_pmd_range mm/vmalloc.c:569 [inline]
WARNING: CPU: 1 PID: 32016 at mm/vmalloc.c:542 vmap_pages_pud_range mm/vmalloc.c:587 [inline]
WARNING: CPU: 1 PID: 32016 at mm/vmalloc.c:542 vmap_pages_p4d_range mm/vmalloc.c:605 [inline]
WARNING: CPU: 1 PID: 32016 at mm/vmalloc.c:542 vmap_small_pages_range_noflush+0x984/0xc90 mm/vmalloc.c:627
Modules linked in:
CPU: 1 UID: 0 PID: 32016 Comm: syz.7.2790 Not tainted 6.16.0-syzkaller-11952-g6e64f4580381 #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
RIP: 0010:vmap_pages_pte_range mm/vmalloc.c:542 [inline]
RIP: 0010:vmap_pages_pmd_range mm/vmalloc.c:569 [inline]
RIP: 0010:vmap_pages_pud_range mm/vmalloc.c:587 [inline]
RIP: 0010:vmap_pages_p4d_range mm/vmalloc.c:605 [inline]
RIP: 0010:vmap_small_pages_range_noflush+0x984/0xc90 mm/vmalloc.c:627
Code: 4d 89 f4 4d 21 ec 4c 89 e7 e8 78 62 ac ff 4d 39 ec 75 68 e8 be 67 ac ff 4c 09 eb e9 c8 fd ff ff 4c 8b 34 24 e8 ad 67 ac ff 90 <0f> 0b 90 e9 fc fe ff ff e8 9f 67 ac ff 4c 89 e7 e8 07 00 f7 ff 31
RSP: 0018:ffffc9000478f990 EFLAGS: 00010246
RAX: 0000000000080000 RBX: ffffea0003000000 RCX: ffffc9000e0ea000
RDX: 0000000000080000 RSI: ffffffff820f2ac3 RDI: 0000000000000005
RBP: ffff888094d79808 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: 8000000000000163 R14: 1ffff920008f1f47 R15: ffffc90089701000
FS:  00007f7774f996c0(0000) GS:ffff8881247c5000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000556000 CR3: 000000005b91a000 CR4: 0000000000350ef0
Call Trace:
 <TASK>
 __vmap_pages_range_noflush mm/vmalloc.c:656 [inline]
 vmap_pages_range_noflush mm/vmalloc.c:681 [inline]
 vmap_pages_range mm/vmalloc.c:701 [inline]
 vmap+0x1aa/0x320 mm/vmalloc.c:3515
 io_region_init_ptr io_uring/memmap.c:125 [inline]
 io_create_region+0x605/0xd40 io_uring/memmap.c:228
 io_create_region_mmap_safe+0xb2/0x170 io_uring/memmap.c:245
 io_register_mem_region io_uring/register.c:616 [inline]
 __io_uring_register+0x59f/0x2440 io_uring/register.c:836
 __do_sys_io_uring_register io_uring/register.c:929 [inline]
 __se_sys_io_uring_register io_uring/register.c:906 [inline]
 __x64_sys_io_uring_register+0x169/0x280 io_uring/register.c:906
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xcd/0x4c0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f777418ebe9
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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f7774f99038 EFLAGS: 00000246 ORIG_RAX: 00000000000001ab
RAX: ffffffffffffffda RBX: 00007f77743b5fa0 RCX: 00007f777418ebe9
RDX: 0000200000000200 RSI: 0000000000000022 RDI: 0000000000000003
RBP: 00007f7774211e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f77743b6038 R14: 00007f77743b5fa0 R15: 00007ffdb2b62a18
 </TASK>