------------[ cut here ]------------ WARNING: CPU: 0 PID: 7125 at arch/x86/include/asm/pgtable.h:403 pte_uffd_wp arch/x86/include/asm/pgtable.h:403 [inline] WARNING: CPU: 0 PID: 7125 at arch/x86/include/asm/pgtable.h:403 pagemap_scan_pmd_entry+0x1d20/0x23d0 fs/proc/task_mmu.c:2146 Modules linked in: CPU: 0 PID: 7125 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+0x1d20/0x23d0 fs/proc/task_mmu.c:2146 Code: ff ff ff e8 d2 96 75 ff 48 89 e8 31 ff 83 e0 02 48 89 c6 48 89 04 24 e8 4e 92 75 ff 48 8b 04 24 48 85 c0 74 23 e8 b0 96 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:ffffc9000328f870 EFLAGS: 00010287 RAX: 00000000000016a0 RBX: 0000000020001000 RCX: ffffc9000a499000 RDX: 0000000000040000 RSI: ffffffff82130e30 RDI: 0000000000000007 RBP: 000000008cc9bc67 R08: 0000000000000007 R09: 0000000000000000 R10: 0000000000000002 R11: 0000000000000000 R12: dffffc0000000000 R13: 0000000000000000 R14: 0000000000000400 R15: ffff8880538ca000 FS: 00007fe03a2176c0(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020000d60 CR3: 0000000014fc3000 CR4: 0000000000350ef0 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+0x62e/0x770 mm/pagewalk.c:395 walk_page_range+0x625/0xa70 mm/pagewalk.c:521 do_pagemap_scan+0x40d/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+0x63/0x6b RIP: 0033:0x7fe03947cae9 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:00007fe03a2170c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007fe03959bf80 RCX: 00007fe03947cae9 RDX: 00000000200000c0 RSI: 00000000c0606610 RDI: 0000000000000003 RBP: 00007fe0394c847a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007fe03959bf80 R15: 00007ffc65e7d008