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kernel BUG at mm/memory.c:2103!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 21415 Comm: syz-executor.3 Not tainted 5.15.0-rc1-next-20210917-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:vmf_insert_pfn_prot+0x248/0x450 mm/memory.c:2103
Code: 0f 0b e8 6b d0 ca ff 4d 89 f7 bf 20 00 00 00 41 83 e7 28 4c 89 fe e8 b7 d5 ca ff 49 83 ff 20 0f 85 a5 fe ff ff e8 48 d0 ca ff <0f> 0b 49 be ff ff ff ff ff ff 0f 00 e8 37 d0 ca ff 4d 21 ee 4c 89
RSP: 0000:ffffc9000ea17bd0 EFLAGS: 00010293
RAX: 0000000000000000 RBX: 1ffff92001d42f7c RCX: 0000000000000000
RDX: ffff88807b1dd580 RSI: ffffffff81ab3e18 RDI: 0000000000000003
RBP: ffff88804e297210 R08: 0000000000000020 R09: ffffc9000ea17bb7
R10: ffffffff81ab3e09 R11: 0000000000000000 R12: 0000000020000000
R13: 000000000001b154 R14: 0000000008140476 R15: 0000000000000020
FS:  00005555563f1400(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f3dfc1f8000 CR3: 000000006deb8000 CR4: 00000000001506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 drm_gem_shmem_fault+0x1e3/0x290 drivers/gpu/drm/drm_gem_shmem_helper.c:564
 __do_fault+0x10d/0x4d0 mm/memory.c:3848
 do_cow_fault mm/memory.c:4184 [inline]
 do_fault mm/memory.c:4285 [inline]
 handle_pte_fault mm/memory.c:4541 [inline]
 __handle_mm_fault+0x370e/0x5120 mm/memory.c:4676
 handle_mm_fault+0x1c8/0x790 mm/memory.c:4774
 do_user_addr_fault+0x48b/0x11c0 arch/x86/mm/fault.c:1390
 handle_page_fault arch/x86/mm/fault.c:1475 [inline]
 exc_page_fault+0x9e/0x180 arch/x86/mm/fault.c:1531
 asm_exc_page_fault+0x1e/0x30 arch/x86/include/asm/idtentry.h:568
RIP: 0033:0x7f550b974b46
Code: 82 63 01 00 00 48 89 d1 f3 a4 c3 80 fa 08 73 12 80 fa 04 73 1e 80 fa 01 77 26 72 05 0f b6 0e 88 0f c3 48 8b 4c 16 f8 48 8b 36 <48> 89 4c 17 f8 48 89 37 c3 8b 4c 16 fc 8b 36 89 4c 17 fc 89 37 c3
RSP: 002b:00007ffec8985d88 EFLAGS: 00010202
RAX: 0000000020000600 RBX: 0000000000000000 RCX: 003162662f766564
RDX: 0000000000000009 RSI: 3162662f7665642f RDI: 0000000020000600
RBP: 00007ffec8985e48 R08: 00007f550be82000 R09: 0000001b31722144
R10: 00000000000016ce R11: 0000000000000000 R12: 0000000000000000
R13: 00000000000003e8 R14: 00007f550ba7df80 R15: 000000000009af15
Modules linked in:
---[ end trace 99bd5e5c22573378 ]---
RIP: 0010:vmf_insert_pfn_prot+0x248/0x450 mm/memory.c:2103
Code: 0f 0b e8 6b d0 ca ff 4d 89 f7 bf 20 00 00 00 41 83 e7 28 4c 89 fe e8 b7 d5 ca ff 49 83 ff 20 0f 85 a5 fe ff ff e8 48 d0 ca ff <0f> 0b 49 be ff ff ff ff ff ff 0f 00 e8 37 d0 ca ff 4d 21 ee 4c 89
RSP: 0000:ffffc9000ea17bd0 EFLAGS: 00010293
RAX: 0000000000000000 RBX: 1ffff92001d42f7c RCX: 0000000000000000
RDX: ffff88807b1dd580 RSI: ffffffff81ab3e18 RDI: 0000000000000003
RBP: ffff88804e297210 R08: 0000000000000020 R09: ffffc9000ea17bb7
R10: ffffffff81ab3e09 R11: 0000000000000000 R12: 0000000020000000
R13: 000000000001b154 R14: 0000000008140476 R15: 0000000000000020
FS:  00005555563f1400(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005555563a8708 CR3: 000000006deb8000 CR4: 00000000001506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400