BUG: unable to handle page fault for address: 0000000000040007
#PF: supervisor write access in kernel mode
#PF: error_code(0x0002) - not-present page
PGD 53631067 P4D 53631067 PUD 4cd07067 PMD 0 
Oops: 0002 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 8365 Comm: syz-executor.2 Not tainted 5.9.0-rc2-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:vdso_fault+0x0/0x220 arch/x86/entry/vdso/vma.c:62
Code: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 70 07 00 00 00 00 00 00 00 00 00 00 70 07 00 00 00 00 00 <00> 70 07 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
RSP: 0018:ffffc900065e7b20 EFLAGS: 00010246
RAX: 0000000000040000 RBX: ffffffff81007b80 RCX: ffffc9000e07e000
RDX: ffffc900065e7c08 RSI: ffff8880a2e96000 RDI: ffffffff884051e0
RBP: ffffffff884051e0 R08: 0000000000000000 R09: ffffffff8ab21c87
R10: 0000000000000000 R11: 0000000000000000 R12: ffffc900065e7c08
R13: ffff8880a2e96000 R14: 0000000000000000 R15: 0000000000000001
FS:  00007f391659e700(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000040007 CR3: 0000000095b74000 CR4: 00000000001506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
Call Trace:
 special_mapping_fault+0xc7/0x340 mm/mmap.c:3410
 __do_fault+0x10d/0x4d0 mm/memory.c:3463
 do_read_fault mm/memory.c:3856 [inline]
 do_fault mm/memory.c:3984 [inline]
 handle_pte_fault mm/memory.c:4224 [inline]
 __handle_mm_fault mm/memory.c:4359 [inline]
 handle_mm_fault+0x3477/0x4590 mm/memory.c:4457
 faultin_page mm/gup.c:887 [inline]
 __get_user_pages+0x724/0x16b0 mm/gup.c:1105
 populate_vma_page_range+0x24d/0x330 mm/gup.c:1435
 __mm_populate+0x1ea/0x350 mm/gup.c:1483
 mm_populate include/linux/mm.h:2562 [inline]
 __do_sys_mlockall+0x44e/0x4f0 mm/mlock.c:822
 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x45d5b9
Code: 5d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 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 0f 83 2b b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007f391659dc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000097
RAX: ffffffffffffffda RBX: 0000000000020cc0 RCX: 000000000045d5b9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003
RBP: 000000000118cf70 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118cf4c
R13: 00007ffc2921dd9f R14: 00007f391659e9c0 R15: 000000000118cf4c
Modules linked in:
CR2: 0000000000040007
---[ end trace e99e10e5e49ac779 ]---
RIP: 0010:vdso_fault+0x0/0x220 arch/x86/entry/vdso/vma.c:62
Code: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 70 07 00 00 00 00 00 00 00 00 00 00 70 07 00 00 00 00 00 <00> 70 07 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
RSP: 0018:ffffc900065e7b20 EFLAGS: 00010246
RAX: 0000000000040000 RBX: ffffffff81007b80 RCX: ffffc9000e07e000
RDX: ffffc900065e7c08 RSI: ffff8880a2e96000 RDI: ffffffff884051e0
RBP: ffffffff884051e0 R08: 0000000000000000 R09: ffffffff8ab21c87
R10: 0000000000000000 R11: 0000000000000000 R12: ffffc900065e7c08
R13: ffff8880a2e96000 R14: 0000000000000000 R15: 0000000000000001
FS:  00007f391659e700(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000746918 CR3: 0000000095b74000 CR4: 00000000001506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600