------------[ cut here ]------------ WARNING: CPU: 0 PID: 3610 at include/linux/swapops.h:442 make_pte_marker_entry include/linux/swapops.h:442 [inline] WARNING: CPU: 0 PID: 3610 at include/linux/swapops.h:442 make_pte_marker include/linux/swapops.h:465 [inline] WARNING: CPU: 0 PID: 3610 at include/linux/swapops.h:442 change_pte_range mm/mprotect.c:277 [inline] WARNING: CPU: 0 PID: 3610 at include/linux/swapops.h:442 change_pmd_range mm/mprotect.c:416 [inline] WARNING: CPU: 0 PID: 3610 at include/linux/swapops.h:442 change_pud_range mm/mprotect.c:445 [inline] WARNING: CPU: 0 PID: 3610 at include/linux/swapops.h:442 change_p4d_range mm/mprotect.c:466 [inline] WARNING: CPU: 0 PID: 3610 at include/linux/swapops.h:442 change_protection_range mm/mprotect.c:490 [inline] WARNING: CPU: 0 PID: 3610 at include/linux/swapops.h:442 change_protection+0x17bf/0x4320 mm/mprotect.c:512 Modules linked in: CPU: 0 PID: 3610 Comm: syz-executor147 Not tainted 6.0.0-rc6-next-20220923-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 RIP: 0010:make_pte_marker_entry include/linux/swapops.h:442 [inline] RIP: 0010:make_pte_marker include/linux/swapops.h:465 [inline] RIP: 0010:change_pte_range mm/mprotect.c:277 [inline] RIP: 0010:change_pmd_range mm/mprotect.c:416 [inline] RIP: 0010:change_pud_range mm/mprotect.c:445 [inline] RIP: 0010:change_p4d_range mm/mprotect.c:466 [inline] RIP: 0010:change_protection_range mm/mprotect.c:490 [inline] RIP: 0010:change_protection+0x17bf/0x4320 mm/mprotect.c:512 Code: 97 2d c3 ff 48 8b 84 24 88 00 00 00 80 38 00 0f 85 b5 2a 00 00 48 8b 44 24 10 48 83 78 60 00 0f 84 b4 f8 ff ff e8 71 2d c3 ff <0f> 0b 48 b9 00 00 00 00 00 fc ff df 48 8b 04 24 48 c1 e8 03 80 3c RSP: 0018:ffffc90003daf910 EFLAGS: 00010293 RAX: 0000000000000000 RBX: 0000000000000004 RCX: 0000000000000000 RDX: ffff8880207dd7c0 RSI: ffffffff81b9668f RDI: 0000000000000007 RBP: 0000000000000000 R08: 0000000000000007 R09: 0000000000000000 R10: 0000000000000004 R11: 000000000008c07e R12: 0000000000000000 R13: ffff8880000001e8 R14: 0000000000000000 R15: 000000002063e000 FS: 0000555555ee5300(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000005d84c8 CR3: 0000000026d49000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: uffd_wp_range+0xf0/0x180 mm/userfaultfd.c:720 mwriteprotect_range+0x2e4/0x420 mm/userfaultfd.c:770 userfaultfd_writeprotect fs/userfaultfd.c:1845 [inline] userfaultfd_ioctl+0x447/0x4200 fs/userfaultfd.c:2017 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:870 [inline] __se_sys_ioctl fs/ioctl.c:856 [inline] __x64_sys_ioctl+0x193/0x200 fs/ioctl.c:856 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f42a18dfbb9 Code: 28 c3 e8 2a 14 00 00 66 2e 0f 1f 84 00 00 00 00 00 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 c0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffe629b4e68 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f42a18dfbb9 RDX: 00000000200000c0 RSI: 00000000c018aa06 RDI: 0000000000000003 RBP: 00007f42a18a3d60 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f42a18a3df0 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000