------------[ 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#1: syz.3.237/6487 Modules linked in: CPU: 1 UID: 0 PID: 6487 Comm: syz.3.237 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:ffffc90017eaf5a0 EFLAGS: 00010283 RAX: ffffffff821d500e RBX: ffffea0001abae80 RCX: 0000000000080000 RDX: ffffc900055f1000 RSI: 000000000002920a RDI: 000000000002920b RBP: 0000000000000000 R08: ffffea0001abae87 R09: 1ffffd40003575d0 R10: dffffc0000000000 R11: fffff940003575d1 R12: dffffc0000000000 R13: ffff888021ef63c8 R14: ffffea0001abae88 R15: 0000000000000001 FS: 00007f89e9a126c0(0000) GS:ffff888124ee8000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00002000008e1000 CR3: 00000000790ee000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 00000000fda3b69a DR6: 00000000ffff0ff0 DR7: 0000000000000400 Call Trace: 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: 0033:0x7f89e8b9c799 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:00007f89e9a12028 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f89e8e15fa0 RCX: 00007f89e8b9c799 RDX: 0000200000000000 RSI: 00000000c028aa03 RDI: 0000000000000003 RBP: 00007f89e8c32c99 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f89e8e16038 R14: 00007f89e8e15fa0 R15: 00007ffcbec784a8