------------[ cut here ]------------ kernel BUG at mm/memory.c:2163! Internal error: Oops - BUG: 00000000f2000800 [#1] PREEMPT SMP Modules linked in: CPU: 0 PID: 8853 Comm: syz-executor.5 Not tainted 6.3.0-rc7-syzkaller-g14f8db1c0f9a #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/30/2023 pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : vmf_insert_pfn_prot+0x2bc/0x2d0 mm/memory.c:2163 lr : vmf_insert_pfn_prot+0x2bc/0x2d0 mm/memory.c:2163 sp : ffff8000241c6f10 x29: ffff8000241c6f10 x28: ffff700004838e24 x27: ffff0000ca5a4000 x26: 0000000010000400 x25: 0000000004040471 x24: dfff800000000000 x23: 0000000000000420 x22: 0000000000109a0c x21: ffff0000c72f31c0 x20: 0000000020000000 x19: 0060000000000fc3 x18: ffff8000241c6ac0 x17: ffff800015c7d000 x16: ffff800008261170 x15: 0000000000000000 x14: 0000000000000000 x13: 0000000000000000 x12: 0000000010000400 x11: 0000000000000000 x10: 0000000000000000 x9 : 0000000000000000 x8 : ffff0000c9cad1c0 x7 : 0000000000000000 x6 : 0000000000000000 x5 : 0000000000000020 x4 : 0000000000000000 x3 : 0060000000000fc3 x2 : 0000000000109a0c x1 : 0000000000000420 x0 : 0000000000000420 Call trace: vmf_insert_pfn_prot+0x2bc/0x2d0 mm/memory.c:2163 vmf_insert_pfn+0x54/0x68 mm/memory.c:2202 drm_gem_shmem_fault+0x1ac/0x21c drivers/gpu/drm/drm_gem_shmem_helper.c:559 __do_fault+0x11c/0x3d8 mm/memory.c:4155 do_read_fault mm/memory.c:4506 [inline] do_fault mm/memory.c:4635 [inline] handle_pte_fault mm/memory.c:4923 [inline] __handle_mm_fault mm/memory.c:5065 [inline] handle_mm_fault+0x1f80/0x3dec mm/memory.c:5211 __do_page_fault arch/arm64/mm/fault.c:512 [inline] do_page_fault+0x634/0xac4 arch/arm64/mm/fault.c:612 do_translation_fault+0x94/0xc8 arch/arm64/mm/fault.c:695 do_mem_abort+0x74/0x200 arch/arm64/mm/fault.c:831 el1_abort+0x3c/0x5c arch/arm64/kernel/entry-common.c:367 el1h_64_sync_handler+0x60/0xac arch/arm64/kernel/entry-common.c:427 el1h_64_sync+0x64/0x68 arch/arm64/kernel/entry.S:586 fault_in_readable+0x248/0x5e0 mm/gup.c:1856 fault_in_iov_iter_readable+0xcc/0x22c lib/iov_iter.c:350 generic_perform_write+0x1c8/0x55c mm/filemap.c:3916 ext4_buffered_write_iter+0x2e0/0x538 fs/ext4/file.c:289 ext4_file_write_iter+0x188/0x16c8 call_write_iter include/linux/fs.h:1851 [inline] new_sync_write fs/read_write.c:491 [inline] vfs_write+0x610/0x914 fs/read_write.c:584 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:38 [inline] invoke_syscall+0x98/0x2c0 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x64/0x198 arch/arm64/kernel/syscall.c:193 el0_svc+0x4c/0x15c arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:591 Code: d4210000 97f2cce3 d4210000 97f2cce1 (d4210000) ---[ end trace 0000000000000000 ]---