handle_mm_fault+0x476/0xa00 mm/memory.c:5450
 do_user_addr_fault+0x3f6/0x1020 arch/x86/mm/fault.c:1415
 handle_page_fault arch/x86/mm/fault.c:1507 [inline]
 exc_page_fault+0x5c/0xc0 arch/x86/mm/fault.c:1563
 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:570
page_owner free stack trace missing
------------[ cut here ]------------
kernel BUG at include/linux/page-flags.h:1035!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 4806 Comm: syz-executor.0 Not tainted 6.7.0-rc8-next-20240105-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023
RIP: 0010:PageAnonExclusive include/linux/page-flags.h:1035 [inline]
RIP: 0010:move_pages+0x1697/0x3d40 mm/userfaultfd.c:1402
Code: 00 00 48 c1 e8 0c 48 21 d0 48 c1 e0 06 48 01 c3 e9 b6 f7 ff ff e8 79 c6 9c ff 48 c7 c6 e0 7e dc 8a 48 89 df e8 0a 20 dc ff 90 <0f> 0b e8 62 c6 9c ff 48 89 da b8 ff ff 37 00 48 c1 ea 03 48 c1 e0
RSP: 0018:ffffc900037bfa98 EFLAGS: 00010246
RAX: 0000000000040000 RBX: ffffea0002160000 RCX: ffffc90003bb1000
RDX: 0000000000040000 RSI: ffffffff81eb5d46 RDI: 0000000000000000
RBP: ffff88809dbda810 R08: 0000000000000000 R09: fffffbfff1e75fda
R10: ffffffff8f3afed7 R11: 0000000000000001 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000020518000 R15: 0000000000000000
FS:  00007f0e980476c0(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000204f8000 CR3: 000000002e305000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 userfaultfd_move fs/userfaultfd.c:2047 [inline]
 userfaultfd_ioctl+0x683/0x6420 fs/userfaultfd.c:2169
 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:52 [inline]
 do_syscall_64+0xd0/0x250 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x62/0x6a
RIP: 0033:0x7f0e9727cd29
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:00007f0e980470c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f0e973abf80 RCX: 00007f0e9727cd29
RDX: 00000000200000c0 RSI: 00000000c028aa05 RDI: 0000000000000003
RBP: 00007f0e972c947a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f0e973abf80 R15: 00007fff0a3d7b38
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:PageAnonExclusive include/linux/page-flags.h:1035 [inline]
RIP: 0010:move_pages+0x1697/0x3d40 mm/userfaultfd.c:1402
Code: 00 00 48 c1 e8 0c 48 21 d0 48 c1 e0 06 48 01 c3 e9 b6 f7 ff ff e8 79 c6 9c ff 48 c7 c6 e0 7e dc 8a 48 89 df e8 0a 20 dc ff 90 <0f> 0b e8 62 c6 9c ff 48 89 da b8 ff ff 37 00 48 c1 ea 03 48 c1 e0
RSP: 0018:ffffc900037bfa98 EFLAGS: 00010246
RAX: 0000000000040000 RBX: ffffea0002160000 RCX: ffffc90003bb1000
RDX: 0000000000040000 RSI: ffffffff81eb5d46 RDI: 0000000000000000
RBP: ffff88809dbda810 R08: 0000000000000000 R09: fffffbfff1e75fda
R10: ffffffff8f3afed7 R11: 0000000000000001 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000020518000 R15: 0000000000000000
FS:  00007f0e980476c0(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000204f8000 CR3: 000000002e305000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400