------------[ cut here ]------------ kernel BUG at mm/memory.c:2163! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 21738 Comm: syz-executor.2 Not tainted 6.3.0-rc6-syzkaller-00016-g0d3eb744aed4 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/30/2023 RIP: 0010:vmf_insert_pfn_prot+0x42c/0x450 mm/memory.c:2163 Code: ff 89 de e8 36 3d bf ff 45 84 e4 74 2b e8 9c 3a bf ff e9 54 fd ff ff e8 92 3a bf ff 0f 0b e8 8b 3a bf ff 0f 0b e8 84 3a bf ff <0f> 0b e8 4d 1c d3 08 e8 78 3a bf ff 0f 0b e8 71 3a bf ff 0f 0b 66 RSP: 0000:ffffc90015897aa0 EFLAGS: 00010293 RAX: ffffffff81cb2e5c RBX: 0000000000000420 RCX: ffff88801d45ba80 RDX: 0000000000000000 RSI: 0000000000000420 RDI: 0000000000000420 RBP: ffffc90015897b60 R08: ffffffff81cb2b34 R09: ffffffff81cb2b08 R10: 0000000000000002 R11: ffff88801d45ba80 R12: 000000000c140477 R13: ffff88801e019620 R14: ffffc90015897ae0 R15: 000000000001dadf FS: 0000555555747400(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fa631b87000 CR3: 00000000323f2000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: drm_gem_shmem_fault+0x1dd/0x240 drivers/gpu/drm/drm_gem_shmem_helper.c:559 __do_fault+0x136/0x500 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 mm/memory.c:5065 [inline] handle_mm_fault+0x2acc/0x51c0 mm/memory.c:5211 do_user_addr_fault arch/x86/mm/fault.c:1407 [inline] handle_page_fault arch/x86/mm/fault.c:1498 [inline] exc_page_fault+0x5b1/0x7c0 arch/x86/mm/fault.c:1554 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:570 RIP: 0033:0x7fcc6ac86bcf Code: d0 eb 0b 0f 1f 84 00 00 00 00 00 48 89 f8 48 83 fa 10 0f 82 da 00 00 00 48 83 fa 20 0f 87 1f 01 00 00 0f 10 06 0f 10 4c 16 f0 <0f> 11 07 0f 11 4c 17 f0 c3 0f 1f 84 00 00 00 00 00 48 39 d1 0f 82 RSP: 002b:00007ffc96bf6378 EFLAGS: 00010287 RAX: 0000000020000080 RBX: 0000000000000000 RCX: 00007fcc6a800000 RDX: 000000000000001c RSI: 00007fcc6a800a58 RDI: 0000000020000080 RBP: 00007ffc96bf6438 R08: 00007fcc6ac00000 R09: 00007fcc6a800000 R10: 00007fcc6a800a40 R11: 0000000000000246 R12: 0000000000091064 R13: 00007ffc96bf6460 R14: 00007fcc6adabf80 R15: 0000000000000032 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:vmf_insert_pfn_prot+0x42c/0x450 mm/memory.c:2163 Code: ff 89 de e8 36 3d bf ff 45 84 e4 74 2b e8 9c 3a bf ff e9 54 fd ff ff e8 92 3a bf ff 0f 0b e8 8b 3a bf ff 0f 0b e8 84 3a bf ff <0f> 0b e8 4d 1c d3 08 e8 78 3a bf ff 0f 0b e8 71 3a bf ff 0f 0b 66 RSP: 0000:ffffc90015897aa0 EFLAGS: 00010293 RAX: ffffffff81cb2e5c RBX: 0000000000000420 RCX: ffff88801d45ba80 RDX: 0000000000000000 RSI: 0000000000000420 RDI: 0000000000000420 RBP: ffffc90015897b60 R08: ffffffff81cb2b34 R09: ffffffff81cb2b08 R10: 0000000000000002 R11: ffff88801d45ba80 R12: 000000000c140477 R13: ffff88801e019620 R14: ffffc90015897ae0 R15: 000000000001dadf FS: 0000555555747400(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f3cce81a000 CR3: 00000000323f2000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400