------------[ cut here ]------------
WARNING: CPU: 0 PID: 4609 at arch/x86/include/asm/pgtable.h:403 pte_uffd_wp arch/x86/include/asm/pgtable.h:403 [inline]
WARNING: CPU: 0 PID: 4609 at arch/x86/include/asm/pgtable.h:403 pagemap_scan_pmd_entry+0x3bb/0x18d0 fs/proc/task_mmu.c:2151
Modules linked in:
CPU: 0 PID: 4609 Comm: syz-executor.0 Not tainted 6.6.0-rc4-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024
RIP: 0010:pte_uffd_wp arch/x86/include/asm/pgtable.h:403 [inline]
RIP: 0010:pagemap_scan_pmd_entry+0x3bb/0x18d0 fs/proc/task_mmu.c:2151
Code: ba ff 83 e3 42 bf 40 00 00 00 48 89 de e8 cd 8a ba ff 48 83 fb 40 74 20 e8 e2 85 ba ff 49 39 ec 75 8b eb 38 e8 d6 85 ba ff 90 <0f> 0b 90 49 39 ec 0f 85 77 ff ff ff eb 24 e8 c2 85 ba ff eb ea f3
RSP: 0018:ffffc900022dfb48 EFLAGS: 00010293
RAX: ffffffff8180b72a RBX: 07fffffffffece0a RCX: ffff88810e66d4c0
RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000
RBP: 000000002007e000 R08: ffffffff8180b6f0 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000020200000
R13: 000000002007c000 R14: 000000002007c000 R15: ffff88810b4c23e8
FS:  00007fb87d3316c0(0000) GS:ffff88813bc00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000200007c0 CR3: 000000010ea0c000 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+0x66f/0xd00 mm/pagewalk.c:293
 __walk_page_range+0x97/0x300 mm/pagewalk.c:395
 walk_page_range+0x1dd/0x2f0 mm/pagewalk.c:521
 do_pagemap_scan fs/proc/task_mmu.c:2442 [inline]
 do_pagemap_cmd+0x4f2/0x8e0 fs/proc/task_mmu.c:2483
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:871 [inline]
 __se_sys_ioctl+0xbb/0x130 fs/ioctl.c:857
 do_syscall_64+0x46/0xc0
 entry_SYSCALL_64_after_hwframe+0x6f/0xd9
RIP: 0033:0x7fb87c67dda9
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:00007fb87d3310c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007fb87c7abf80 RCX: 00007fb87c67dda9
RDX: 00000000200007c0 RSI: 00000000c0606610 RDI: 0000000000000004
RBP: 00007fb87c6ca47a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007fb87c7abf80 R15: 00007ffcf73c88d8
 </TASK>