------------[ cut here ]------------ kernel BUG at mm/memory.c:2204! Internal error: Oops - BUG: 00000000f2000800 [#1] PREEMPT SMP Modules linked in: CPU: 0 PID: 6087 Comm: syz-executor252 Not tainted 6.6.0-rc7-syzkaller-g8de1e7afcc1c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : vmf_insert_pfn_prot+0x2bc/0x2d0 mm/memory.c:2204 lr : vmf_insert_pfn_prot+0x2bc/0x2d0 mm/memory.c:2204 sp : ffff800096b27020 x29: ffff800096b27020 x28: 1fffe0001a88bc44 x27: 1ffff00012d64e8d x26: 0000000010000400 x25: 0000000004040474 x24: dfff800000000000 x23: 0000000000000420 x22: 0000000000107061 x21: ffff0000d99de900 x20: 0000000020ffd000 x19: 0060000000000fcb x18: ffff800096b26b60 x17: ffff80008e33d000 x16: ffff80008026e1cc x15: 0000000000000000 x14: 0000000000000000 x13: 0000000000000000 x12: 0000000010000400 x11: 0000000000000000 x10: 0000000000000000 x9 : 0000000000000000 x8 : ffff0000d4bad340 x7 : 0000000000000000 x6 : 0000000000000000 x5 : 0000000000000020 x4 : 0000000000000000 x3 : 0060000000000fcb x2 : 0000000000107061 x1 : 0000000000000420 x0 : 0000000000000420 Call trace: vmf_insert_pfn_prot+0x2bc/0x2d0 mm/memory.c:2204 vmf_insert_pfn+0x54/0x68 mm/memory.c:2243 drm_gem_shmem_fault+0x1d8/0x36c drivers/gpu/drm/drm_gem_shmem_helper.c:531 __do_fault+0x11c/0x3d8 mm/memory.c:4204 do_read_fault mm/memory.c:4568 [inline] do_fault mm/memory.c:4705 [inline] do_pte_missing mm/memory.c:3669 [inline] handle_pte_fault mm/memory.c:4978 [inline] __handle_mm_fault mm/memory.c:5119 [inline] handle_mm_fault+0x1fa4/0x49fc mm/memory.c:5284 __do_page_fault arch/arm64/mm/fault.c:513 [inline] do_page_fault+0x4e8/0xa54 arch/arm64/mm/fault.c:626 do_translation_fault+0x94/0xc8 arch/arm64/mm/fault.c:710 do_mem_abort+0x74/0x200 arch/arm64/mm/fault.c:846 el1_abort+0x3c/0x5c arch/arm64/kernel/entry-common.c:398 el1h_64_sync_handler+0x60/0xac arch/arm64/kernel/entry-common.c:458 el1h_64_sync+0x64/0x68 arch/arm64/kernel/entry.S:590 __arch_copy_from_user+0x180/0x230 arch/arm64/lib/copy_template.S:146 snd_rawmidi_write+0x4d8/0x9dc sound/core/rawmidi.c:1687 vfs_write+0x2a0/0x93c fs/read_write.c:582 ksys_write+0x15c/0x26c fs/read_write.c:637 __do_sys_write fs/read_write.c:649 [inline] __se_sys_write fs/read_write.c:646 [inline] __arm64_sys_write+0x7c/0x90 fs/read_write.c:646 __invoke_syscall arch/arm64/kernel/syscall.c:37 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:51 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:136 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:155 el0_svc+0x54/0x158 arch/arm64/kernel/entry-common.c:678 el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:696 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:595 Code: d4210000 97f20e6f d4210000 97f20e6d (d4210000) ---[ end trace 0000000000000000 ]---