------------[ cut here ]------------ WARNING: CPU: 0 PID: 24089 at arch/x86/include/asm/pgtable.h:403 pte_uffd_wp arch/x86/include/asm/pgtable.h:403 [inline] WARNING: CPU: 0 PID: 24089 at arch/x86/include/asm/pgtable.h:403 pagemap_scan_pmd_entry+0x1d27/0x23f0 fs/proc/task_mmu.c:2146 Modules linked in: CPU: 0 PID: 24089 Comm: syz-executor.5 Not tainted 6.7.0-rc3-syzkaller-00284-g815fb87b7530 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 RIP: 0010:pte_uffd_wp arch/x86/include/asm/pgtable.h:403 [inline] RIP: 0010:pagemap_scan_pmd_entry+0x1d27/0x23f0 fs/proc/task_mmu.c:2146 Code: ff ff e8 5c 03 76 ff 48 89 e8 31 ff 83 e0 02 48 89 c6 48 89 04 24 e8 d8 fe 75 ff 48 8b 04 24 48 85 c0 74 25 e8 3a 03 76 ff 90 <0f> 0b 90 e9 71 ff ff ff 4c 89 74 24 68 4c 8b 74 24 10 c7 44 24 28 RSP: 0018:ffffc900162a7870 EFLAGS: 00010293 RAX: 0000000000000000 RBX: 0000000020ff8000 RCX: ffffffff821186f8 RDX: ffff88801f595940 RSI: ffffffff82118706 RDI: 0000000000000007 RBP: 0000000054538c67 R08: 0000000000000007 R09: 0000000000000000 R10: 0000000000000002 R11: 0000000000000002 R12: dffffc0000000000 R13: 0000000000000400 R14: 0000000000000000 R15: ffff88802f85afb8 FS: 00007fdb619806c0(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fdb61980d58 CR3: 000000002ec47000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: 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+0x630/0x770 mm/pagewalk.c:395 walk_page_range+0x626/0xa80 mm/pagewalk.c:521 do_pagemap_scan+0x40d/0xcd0 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+0x40/0x110 arch/x86/entry/common.c:82 entry_SYSCALL_64_after_hwframe+0x63/0x6b RIP: 0033:0x7fdb60c7cae9 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:00007fdb619800c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007fdb60d9c120 RCX: 00007fdb60c7cae9 RDX: 0000000020000180 RSI: 00000000c0606610 RDI: 0000000000000003 RBP: 00007fdb60cc847a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007fdb60d9c120 R15: 00007fdb60ebfa48