------------[ cut here ]------------
WARNING: CPU: 1 PID: 13460 at arch/x86/include/asm/pgtable.h:403 pte_write arch/x86/include/asm/pgtable.h:178 [inline]
WARNING: CPU: 1 PID: 13460 at arch/x86/include/asm/pgtable.h:403 pte_uffd_wp arch/x86/include/asm/pgtable.h:403 [inline]
WARNING: CPU: 1 PID: 13460 at arch/x86/include/asm/pgtable.h:403 pagemap_scan_pmd_entry+0x68c/0x2da0 fs/proc/task_mmu.c:2146
Modules linked in:
CPU: 1 PID: 13460 Comm: syz-executor.5 Not tainted 6.6.0-syzkaller-16039-gac347a0655db #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+0x68c/0x2da0 fs/proc/task_mmu.c:2146
Code: cc cc cc e8 46 fd 6e ff 83 e3 42 bf 40 00 00 00 48 89 de e8 76 01 6f ff 48 83 fb 40 74 30 e8 2b fd 6e ff eb 07 e8 24 fd 6e ff <0f> 0b 4c 39 64 24 60 74 3a 48 83 44 24 20 08 e8 10 fd 6e ff 49 83
RSP: 0018:ffffc9000a83f600 EFLAGS: 00010287
RAX: ffffffff821fc52c RBX: 000000008cf3fc67 RCX: 0000000000040000
RDX: ffffc90004a61000 RSI: 00000000000007ef RDI: 00000000000007f0
RBP: ffffc9000a83f870 R08: ffffffff821fc4f7 R09: fffff52001507e90
R10: dffffc0000000000 R11: fffff52001507e90 R12: 0000000020001000
R13: ffff88802701a000 R14: 1ffff92001507ef4 R15: ffff88802701a000
FS:  00007f31bfbc46c0(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020000d60 CR3: 0000000029641000 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+0xb9f/0x17e0 mm/pagewalk.c:293
 __walk_page_range+0x11e/0x6a0 mm/pagewalk.c:395
 walk_page_range+0x4ab/0x6a0 mm/pagewalk.c:521
 do_pagemap_scan fs/proc/task_mmu.c:2437 [inline]
 do_pagemap_cmd+0xae8/0x1260 fs/proc/task_mmu.c:2478
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:871 [inline]
 __se_sys_ioctl+0xf8/0x170 fs/ioctl.c:857
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x44/0x110 arch/x86/entry/common.c:82
 entry_SYSCALL_64_after_hwframe+0x63/0x6b
RIP: 0033:0x7f31bee7cae9
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:00007f31bfbc40c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f31bef9bf80 RCX: 00007f31bee7cae9
RDX: 00000000200000c0 RSI: 00000000c0606610 RDI: 0000000000000003
RBP: 00007f31beec847a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f31bef9bf80 R15: 00007ffe2f6ca6b8
 </TASK>