------------[ cut here ]------------
kernel BUG at mm/memory.c:2237!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN PTI
CPU: 0 PID: 12331 Comm: syz-executor.0 Not tainted 6.8.0-syzkaller-08073-g480e035fc4c7 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
RIP: 0010:vmf_insert_pfn_prot+0x2be/0x2d0 mm/memory.c:2237
Code: 41 5f 5d c3 cc cc cc cc e8 0f b3 b4 ff b8 02 00 00 00 eb c0 e8 03 b3 b4 ff 90 0f 0b e8 fb b2 b4 ff 90 0f 0b e8 f3 b2 b4 ff 90 <0f> 0b e8 5b f0 93 09 e8 e6 b2 b4 ff 90 0f 0b 0f 1f 00 90 90 90 90
RSP: 0018:ffffc9000abcf4a0 EFLAGS: 00010246
RAX: ffffffff81e0425d RBX: 0000000000000420 RCX: 0000000000040000
RDX: ffffc9000ae03000 RSI: 000000000003ffff RDI: 0000000000040000
RBP: ffffc9000abcf560 R08: ffffffff81e040a1 R09: ffffffff81e04075
R10: 0000000000000002 R11: ffff888069a79e00 R12: ffffc9000abcf4e0
R13: ffff88804d2f9500 R14: 1ffff92001579e98 R15: 000000000c140476
FS:  00007fb1915ff6c0(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f29f42d56c6 CR3: 000000002c06e000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 drm_gem_shmem_fault+0x201/0x3a0 drivers/gpu/drm/drm_gem_shmem_helper.c:531
 __do_fault+0x135/0x460 mm/memory.c:4396
 do_cow_fault mm/memory.c:4788 [inline]
 do_fault mm/memory.c:4890 [inline]
 do_pte_missing mm/memory.c:3745 [inline]
 handle_pte_fault mm/memory.c:5164 [inline]
 __handle_mm_fault+0x21fe/0x72d0 mm/memory.c:5305
 handle_mm_fault+0x3c2/0x8a0 mm/memory.c:5470
 do_user_addr_fault arch/x86/mm/fault.c:1413 [inline]
 handle_page_fault arch/x86/mm/fault.c:1505 [inline]
 exc_page_fault+0x2a8/0x890 arch/x86/mm/fault.c:1563
 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:623
RIP: 0010:rep_stos_alternative+0x5b/0x80 arch/x86/lib/clear_page_64.S:103
Code: 73 ef eb de 66 2e 0f 1f 84 00 00 00 00 00 90 48 89 07 48 89 47 08 48 89 47 10 48 89 47 18 48 89 47 20 48 89 47 28 48 89 47 30 <48> 89 47 38 48 83 c7 40 48 83 e9 40 48 83 f9 40 73 d3 83 f9 08 73
RSP: 0018:ffffc9000abcfbf8 EFLAGS: 00050206
RAX: 0000000000000000 RBX: 000000011ffffdb7 RCX: 00000000ff003def
RDX: 0000000000000001 RSI: ffffffff8baad360 RDI: 0000000020ffbfc8
RBP: ffffc9000abcfec8 R08: ffffffff8f872cef R09: 1ffffffff1f0e59d
R10: dffffc0000000000 R11: fffffbfff1f0e59e R12: 0000000000000008
R13: dffffc0000000000 R14: 0000000020000008 R15: 00000000fffffdaf
 __clear_user arch/x86/include/asm/uaccess_64.h:172 [inline]
 clear_user arch/x86/include/asm/uaccess_64.h:189 [inline]
 evdev_get_mask drivers/input/evdev.c:1023 [inline]
 evdev_do_ioctl drivers/input/evdev.c:1105 [inline]
 evdev_ioctl_handler+0x18e3/0x21b0 drivers/input/evdev.c:1272
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:904 [inline]
 __se_sys_ioctl+0xfc/0x170 fs/ioctl.c:890
 do_syscall_64+0xfb/0x240
 entry_SYSCALL_64_after_hwframe+0x6d/0x75
RIP: 0033:0x7fb191a7de69
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:00007fb1915ff0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007fb191babf80 RCX: 00007fb191a7de69
RDX: 0000000020000080 RSI: 0000000080104592 RDI: 0000000000000003
RBP: 00007fb191aca47a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007fb191babf80 R15: 00007fb191ccfa48
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:vmf_insert_pfn_prot+0x2be/0x2d0 mm/memory.c:2237
Code: 41 5f 5d c3 cc cc cc cc e8 0f b3 b4 ff b8 02 00 00 00 eb c0 e8 03 b3 b4 ff 90 0f 0b e8 fb b2 b4 ff 90 0f 0b e8 f3 b2 b4 ff 90 <0f> 0b e8 5b f0 93 09 e8 e6 b2 b4 ff 90 0f 0b 0f 1f 00 90 90 90 90
RSP: 0018:ffffc9000abcf4a0 EFLAGS: 00010246
RAX: ffffffff81e0425d RBX: 0000000000000420 RCX: 0000000000040000
RDX: ffffc9000ae03000 RSI: 000000000003ffff RDI: 0000000000040000
RBP: ffffc9000abcf560 R08: ffffffff81e040a1 R09: ffffffff81e04075
R10: 0000000000000002 R11: ffff888069a79e00 R12: ffffc9000abcf4e0
R13: ffff88804d2f9500 R14: 1ffff92001579e98 R15: 000000000c140476
FS:  00007fb1915ff6c0(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f2bd63025a1 CR3: 000000002c06e000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
   0:	73 ef                	jae    0xfffffff1
   2:	eb de                	jmp    0xffffffe2
   4:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   b:	00 00 00
   e:	90                   	nop
   f:	48 89 07             	mov    %rax,(%rdi)
  12:	48 89 47 08          	mov    %rax,0x8(%rdi)
  16:	48 89 47 10          	mov    %rax,0x10(%rdi)
  1a:	48 89 47 18          	mov    %rax,0x18(%rdi)
  1e:	48 89 47 20          	mov    %rax,0x20(%rdi)
  22:	48 89 47 28          	mov    %rax,0x28(%rdi)
  26:	48 89 47 30          	mov    %rax,0x30(%rdi)
* 2a:	48 89 47 38          	mov    %rax,0x38(%rdi) <-- trapping instruction
  2e:	48 83 c7 40          	add    $0x40,%rdi
  32:	48 83 e9 40          	sub    $0x40,%rcx
  36:	48 83 f9 40          	cmp    $0x40,%rcx
  3a:	73 d3                	jae    0xf
  3c:	83 f9 08             	cmp    $0x8,%ecx
  3f:	73                   	.byte 0x73