------------[ cut here ]------------
kernel BUG at mm/memory.c:2163!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 2 PID: 4656 Comm: syz-executor.2 Not tainted 6.3.0-rc6-syzkaller-00168-g95abc817ab3a #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.14.0-2 04/01/2014
RIP: 0010:vmf_insert_pfn_prot+0x24c/0x460 mm/memory.c:2163
Code: 0f 0b e8 b7 eb c2 ff 4d 89 f7 bf 20 00 00 00 41 83 e7 28 4c 89 fe e8 13 e8 c2 ff 49 83 ff 20 0f 85 a5 fe ff ff e8 94 eb c2 ff <0f> 0b 49 be ff ff ff ff ff ff 0f 00 e8 83 eb c2 ff 4d 21 ee 4c 89
RSP: 0018:ffffc900291efbe0 EFLAGS: 00010293
RAX: 0000000000000000 RBX: 1ffff9200523df7e RCX: 0000000000000000
RDX: ffff888027be21c0 RSI: ffffffff81bf207c RDI: 0000000000000007
RBP: ffff888022882620 R08: 0000000000000007 R09: 0000000000000020
R10: 0000000000000020 R11: 0000000000000005 R12: 0000000020000000
R13: 000000000001b44d R14: 000000000c140473 R15: 0000000000000020
FS:  0000555555dfe400(0000) GS:ffff88802c800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000009d5360 CR3: 0000000075ac8000 CR4: 0000000000152ee0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 drm_gem_shmem_fault+0x1e1/0x290 drivers/gpu/drm/drm_gem_shmem_helper.c:559
 __do_fault+0x107/0x600 mm/memory.c:4155
 do_cow_fault mm/memory.c:4536 [inline]
 do_fault mm/memory.c:4637 [inline]
 handle_pte_fault mm/memory.c:4923 [inline]
 __handle_mm_fault+0x32ac/0x3e60 mm/memory.c:5065
 handle_mm_fault+0x2ba/0x9c0 mm/memory.c:5211
 do_user_addr_fault+0x475/0x1230 arch/x86/mm/fault.c:1407
 handle_page_fault arch/x86/mm/fault.c:1498 [inline]
 exc_page_fault+0x98/0x170 arch/x86/mm/fault.c:1554
 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:570
RIP: 0033:0x7fa79062beda
Code: 30 48 8b 34 24 48 85 f6 74 17 8b 44 24 18 0f c8 89 c0 48 89 44 24 18 48 83 fe 01 0f 85 a1 01 00 00 48 8b 44 24 10 8b 74 24 18 <89> 30 e9 d2 fc ff ff 48 8b 44 24 10 8b 10 48 8b 04 24 48 85 c0 0f
RSP: 002b:00007fff874562d0 EFLAGS: 00010246
RAX: 0000000020000180 RBX: 0000000000000000 RCX: 0000000000000000
RDX: c276ba7f79abd43c RSI: 0000000000000010 RDI: 0000555555dfe2e8
RBP: 00007fff874563c8 R08: 0000000000000000 R09: 0000000000000000
R10: 00007fa7902014e8 R11: 0000000000000246 R12: 0000000000161d9c
R13: 00007fff874563f0 R14: 00007fa7907ac050 R15: 0000000000000032
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:vmf_insert_pfn_prot+0x24c/0x460 mm/memory.c:2163
Code: 0f 0b e8 b7 eb c2 ff 4d 89 f7 bf 20 00 00 00 41 83 e7 28 4c 89 fe e8 13 e8 c2 ff 49 83 ff 20 0f 85 a5 fe ff ff e8 94 eb c2 ff <0f> 0b 49 be ff ff ff ff ff ff 0f 00 e8 83 eb c2 ff 4d 21 ee 4c 89
RSP: 0018:ffffc900291efbe0 EFLAGS: 00010293
RAX: 0000000000000000 RBX: 1ffff9200523df7e RCX: 0000000000000000
RDX: ffff888027be21c0 RSI: ffffffff81bf207c RDI: 0000000000000007
RBP: ffff888022882620 R08: 0000000000000007 R09: 0000000000000020
R10: 0000000000000020 R11: 0000000000000005 R12: 0000000020000000
R13: 000000000001b44d R14: 000000000c140473 R15: 0000000000000020
FS:  0000555555dfe400(0000) GS:ffff88802c700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005586248d5df7 CR3: 0000000075ac8000 CR4: 0000000000152ee0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400