------------[ cut here ]------------
address < vma->vm_start || address + (nr << 12) > vma->vm_end
WARNING: mm/rmap.c:1682 at folio_add_new_anon_rmap+0x5fe/0x14b0 mm/rmap.c:1681, CPU#0: syz.1.285/6624
Modules linked in:
CPU: 0 UID: 0 PID: 6624 Comm: syz.1.285 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/27/2026
RIP: 0010:folio_add_new_anon_rmap+0x5fe/0x14b0 mm/rmap.c:1681
Code: 89 f5 4d 8b 36 4c 89 e7 4c 89 f6 e8 9c ac a9 ff 4d 39 f4 73 1a e8 32 aa a9 ff 4c 8b 74 24 10 49 bc 00 00 00 00 00 fc ff df 90 <0f> 0b 90 eb 5a 44 89 f8 c1 e0 0c 48 98 49 01 c4 49 83 c5 08 4c 89
RSP: 0018:ffffc900193575a0 EFLAGS: 00010283
RAX: ffffffff821d500e RBX: ffffea0001d3ea40 RCX: 0000000000080000
RDX: ffffc900048d9000 RSI: 0000000000034c74 RDI: 0000000000034c75
RBP: 0000000000000000 R08: ffffea0001d3ea47 R09: 1ffffd40003a7d48
R10: dffffc0000000000 R11: fffff940003a7d49 R12: dffffc0000000000
R13: ffff88807636c788 R14: ffffea0001d3ea48 R15: 0000000000000001
FS:  00007f5a596e86c0(0000) GS:ffff888124de8000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000940000 CR3: 000000005d1b4000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 mfill_atomic_install_pte+0x578/0x870 mm/userfaultfd.c:390
 __mfill_atomic_pte+0x3c4/0x5f0 mm/userfaultfd.c:523
 mfill_atomic_pte_copy mm/userfaultfd.c:557 [inline]
 mfill_atomic_pte mm/userfaultfd.c:865 [inline]
 mfill_atomic mm/userfaultfd.c:923 [inline]
 mfill_atomic_copy+0x4d9/0x1330 mm/userfaultfd.c:950
 userfaultfd_copy fs/userfaultfd.c:1642 [inline]
 userfaultfd_ioctl+0x2b8a/0x4b00 fs/userfaultfd.c:2059
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:597 [inline]
 __se_sys_ioctl+0xfc/0x170 fs/ioctl.c:583
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x14d/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f5a5879c799
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:00007f5a596e8028 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f5a58a15fa0 RCX: 00007f5a5879c799
RDX: 0000200000000000 RSI: 00000000c028aa03 RDI: 0000000000000003
RBP: 00007f5a58832c99 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f5a58a16038 R14: 00007f5a58a15fa0 R15: 00007ffcd9fec5e8
 </TASK>