------------[ cut here ]------------
WARNING: CPU: 1 PID: 6609 at arch/x86/include/asm/pgtable.h:403 pte_uffd_wp arch/x86/include/asm/pgtable.h:403 [inline]
WARNING: CPU: 1 PID: 6609 at arch/x86/include/asm/pgtable.h:403 pagemap_scan_pmd_entry+0x1d20/0x23d0 fs/proc/task_mmu.c:2146
Modules linked in:
CPU: 1 PID: 6609 Comm: syz-executor.2 Not tainted 6.6.0-next-20231103-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
RIP: 0010:pte_uffd_wp arch/x86/include/asm/pgtable.h:403 [inline]
RIP: 0010:pagemap_scan_pmd_entry+0x1d20/0x23d0 fs/proc/task_mmu.c:2146
Code: ff ff ff e8 32 3d 75 ff 48 89 e8 31 ff 83 e0 02 48 89 c6 48 89 04 24 e8 ae 38 75 ff 48 8b 04 24 48 85 c0 74 23 e8 10 3d 75 ff <0f> 0b e9 73 ff ff ff 4c 8b 74 24 10 4c 89 6c 24 68 c7 44 24 28 00
RSP: 0018:ffffc9000360f870 EFLAGS: 00010283
RAX: 000000000000168f RBX: 0000000020001000 RCX: ffffc9000a923000
RDX: 0000000000040000 RSI: ffffffff8213c1d0 RDI: 0000000000000007
RBP: 0000000085fabc67 R08: 0000000000000007 R09: 0000000000000000
R10: 0000000000000002 R11: 00000000636f7270 R12: dffffc0000000000
R13: 0000000000000000 R14: 0000000000000400 R15: ffff888076da3000
FS:  00007f54fe0186c0(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020000d60 CR3: 0000000075be5000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 walk_pmd_range mm/pagewalk.c:143 [inline]
 walk_pud_range mm/pagewalk.c:221 [inline]
 walk_p4d_range mm/pagewalk.c:256 [inline]
 walk_pgd_range+0xa48/0x1870 mm/pagewalk.c:293
 __walk_page_range+0x62e/0x770 mm/pagewalk.c:395
 walk_page_range+0x625/0xa70 mm/pagewalk.c:521
 do_pagemap_scan+0x40c/0xcc0 fs/proc/task_mmu.c:2437
 do_pagemap_cmd+0x5e/0x80 fs/proc/task_mmu.c:2478
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:871 [inline]
 __se_sys_ioctl fs/ioctl.c:857 [inline]
 __x64_sys_ioctl+0x18f/0x210 fs/ioctl.c:857
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x3f/0x110 arch/x86/entry/common.c:82
 entry_SYSCALL_64_after_hwframe+0x62/0x6a
RIP: 0033:0x7f54fd27cae9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f54fe0180c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f54fd39bf80 RCX: 00007f54fd27cae9
RDX: 00000000200000c0 RSI: 00000000c0606610 RDI: 0000000000000003
RBP: 00007f54fd2c847a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f54fd39bf80 R15: 00007ffda3c85208
 </TASK>