------------[ cut here ]------------ kernel BUG at mm/memory.c:2220! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 11298 Comm: syz-executor.4 Not tainted 6.1.52-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023 RIP: 0010:vmf_insert_pfn_prot+0x428/0x440 mm/memory.c:2220 Code: ff 89 de e8 9a ab be ff 45 84 e4 74 2b e8 30 a9 be ff e9 54 fd ff ff e8 26 a9 be ff 0f 0b e8 1f a9 be ff 0f 0b e8 18 a9 be ff <0f> 0b e8 71 d2 b9 08 e8 0c a9 be ff 0f 0b e8 05 a9 be ff 0f 0b 0f RSP: 0000:ffffc9000bf47ae0 EFLAGS: 00010283 RAX: ffffffff81cb5f68 RBX: 0000000000000420 RCX: 0000000000040000 RDX: ffffc9000a819000 RSI: 0000000000000736 RDI: 0000000000000737 RBP: ffffc9000bf47ba0 R08: ffffffff81cb5c40 R09: ffffffff81cb5c14 R10: 0000000000000002 R11: ffff88807da95940 R12: 000000000c140472 R13: ffff88804101fd80 R14: ffffc9000bf47b20 R15: 00000000000197f9 FS: 00007f8fe3e756c0(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007eff855fcf78 CR3: 000000001af90000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: drm_gem_shmem_fault+0x1d9/0x230 drivers/gpu/drm/drm_gem_shmem_helper.c:562 __do_fault+0x136/0x4f0 mm/memory.c:4231 do_cow_fault mm/memory.c:4612 [inline] do_fault mm/memory.c:4713 [inline] handle_pte_fault mm/memory.c:4983 [inline] __handle_mm_fault mm/memory.c:5125 [inline] handle_mm_fault+0x2fb3/0x5330 mm/memory.c:5246 do_user_addr_fault arch/x86/mm/fault.c:1380 [inline] handle_page_fault arch/x86/mm/fault.c:1471 [inline] exc_page_fault+0x26f/0x660 arch/x86/mm/fault.c:1527 asm_exc_page_fault+0x22/0x30 arch/x86/include/asm/idtentry.h:570 RIP: 0033:0x7f8fe305dbad Code: 4c 17 f0 c3 66 0f 1f 84 00 00 00 00 00 48 8b 4c 16 f8 48 8b 36 48 89 37 48 89 4c 17 f8 c3 c5 fe 6f 54 16 e0 c5 fe 6f 5c 16 c0 fe 7f 07 c5 fe 7f 4f 20 c5 fe 7f 54 17 e0 c5 fe 7f 5c 17 c0 e9 RSP: 002b:00007f8fe3e750b8 EFLAGS: 00010283 RAX: 0000000020ffe020 RBX: 00007f8fe319bf80 RCX: 0000000000000048 RDX: 0000000000000048 RSI: 0000000020000180 RDI: 0000000020ffe020 RBP: 00007f8fe30c847a R08: 0000000000000048 R09: 0000000000000000 R10: 0000000020ffe000 R11: 0000000020000180 R12: 0000000000000000 R13: 000000000000000b R14: 00007f8fe319bf80 R15: 00007fff46706318 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:vmf_insert_pfn_prot+0x428/0x440 mm/memory.c:2220 Code: ff 89 de e8 9a ab be ff 45 84 e4 74 2b e8 30 a9 be ff e9 54 fd ff ff e8 26 a9 be ff 0f 0b e8 1f a9 be ff 0f 0b e8 18 a9 be ff <0f> 0b e8 71 d2 b9 08 e8 0c a9 be ff 0f 0b e8 05 a9 be ff 0f 0b 0f RSP: 0000:ffffc9000bf47ae0 EFLAGS: 00010283 RAX: ffffffff81cb5f68 RBX: 0000000000000420 RCX: 0000000000040000 RDX: ffffc9000a819000 RSI: 0000000000000736 RDI: 0000000000000737 RBP: ffffc9000bf47ba0 R08: ffffffff81cb5c40 R09: ffffffff81cb5c14 R10: 0000000000000002 R11: ffff88807da95940 R12: 000000000c140472 R13: ffff88804101fd80 R14: ffffc9000bf47b20 R15: 00000000000197f9 FS: 00007f8fe3e756c0(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fbf580d72a3 CR3: 000000001af90000 CR4: 00000000003526e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400