------------[ cut here ]------------
WARNING: mm/vmalloc.c:538 at vmap_pages_pte_range mm/vmalloc.c:538 [inline], CPU#1: syz.4.34/6139
WARNING: mm/vmalloc.c:538 at vmap_pages_pmd_range mm/vmalloc.c:569 [inline], CPU#1: syz.4.34/6139
WARNING: mm/vmalloc.c:538 at vmap_pages_pud_range mm/vmalloc.c:587 [inline], CPU#1: syz.4.34/6139
WARNING: mm/vmalloc.c:538 at vmap_pages_p4d_range mm/vmalloc.c:605 [inline], CPU#1: syz.4.34/6139
WARNING: mm/vmalloc.c:538 at vmap_small_pages_range_noflush mm/vmalloc.c:627 [inline], CPU#1: syz.4.34/6139
WARNING: mm/vmalloc.c:538 at __vmap_pages_range_noflush+0xdf1/0xf30 mm/vmalloc.c:656, CPU#1: syz.4.34/6139
Modules linked in:
CPU: 1 UID: 0 PID: 6139 Comm: syz.4.34 Not tainted syzkaller #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:538 [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 mm/vmalloc.c:627 [inline]
RIP: 0010:__vmap_pages_range_noflush+0xdf1/0xf30 mm/vmalloc.c:656
Code: eb 7b e8 92 1e ad ff eb 2f e8 8b 1e ad ff eb 6d e8 84 1e ad ff 31 ed eb 64 e8 7b 1e ad ff 90 0f 0b 90 eb 14 e8 70 1e ad ff 90 <0f> 0b 90 eb 09 e8 65 1e ad ff 90 0f 0b 90 bd f4 ff ff ff 44 8b 74
RSP: 0018:ffffc90003667950 EFLAGS: 00010287
RAX: ffffffff8213a750 RBX: dffffc0000000000 RCX: 0000000000080000
RDX: ffffc9000c684000 RSI: 0000000000001d41 RDI: 0000000000001d42
RBP: 0000000000000000 R08: 0000000000000000 R09: ffffffff8213a9c5
R10: fffff52000896200 R11: ffffed10170e7fa9 R12: ffff888059f2e828
R13: ffff8880279f9db0 R14: 0000000000000000 R15: 1ffff11004f3f3b6
FS:  00007f1893e5d6c0(0000) GS:ffff888125af9000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f1893e3bf98 CR3: 0000000078476000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 vmap_pages_range_noflush mm/vmalloc.c:681 [inline]
 vmap_pages_range mm/vmalloc.c:701 [inline]
 vmap+0x1ca/0x310 mm/vmalloc.c:3515
 io_region_init_ptr+0x24d/0x350 io_uring/memmap.c:125
 io_create_region+0x3a4/0x480 io_uring/memmap.c:228
 io_allocate_scq_urings+0x2b0/0x870 io_uring/io_uring.c:3626
 io_uring_create+0x591/0xba0 io_uring/io_uring.c:3867
 io_uring_setup io_uring/io_uring.c:3963 [inline]
 __do_sys_io_uring_setup io_uring/io_uring.c:3997 [inline]
 __se_sys_io_uring_setup+0x264/0x270 io_uring/io_uring.c:3988
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xfa/0xfa0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f1892f8ebe9
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:00007f1893e5cfc8 EFLAGS: 00000206 ORIG_RAX: 00000000000001a9
RAX: ffffffffffffffda RBX: 00007f18931c5fa0 RCX: 00007f1892f8ebe9
RDX: 0000000000000000 RSI: 0000200000000040 RDI: 0000000000007688
RBP: 0000200000000040 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000007688 R15: 0000000000000000
 </TASK>