------------[ cut here ]------------ kernel BUG at mm/memory.c:2163! Internal error: Oops - BUG: 00000000f2000800 [#1] PREEMPT SMP Modules linked in: CPU: 1 PID: 9792 Comm: syz-executor.0 Not tainted 6.3.0-rc1-syzkaller-gfe15c26ee26e #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023 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 : ffff800024517390 x29: ffff800024517390 x28: ffff7000048a2eb4 x27: ffff0000cacd0000 x26: 0000000010000400 x25: 0000000004040471 x24: dfff800000000000 x23: 0000000000000420 x22: 000000000010a282 x21: ffff00011c33ad20 x20: 0000000020000000 x19: 0060000000000fc3 x18: ffff800024516f40 x17: 0000000000000000 x16: 0000000000000000 x15: 0000000000000000 x14: 0000000000000002 x13: 0000000010000400 x12: 0000000000040000 x11: 0000000000001400 x10: ffff80001efaa000 x9 : ffff800008869944 x8 : 0000000000001401 x7 : 0000000000000000 x6 : 0000000000000000 x5 : ffff800019146060 x4 : 0000000000000002 x3 : 0060000000000fc3 x2 : 000000000010a282 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:4141 do_read_fault mm/memory.c:4492 [inline] do_fault mm/memory.c:4621 [inline] handle_pte_fault mm/memory.c:4909 [inline] __handle_mm_fault mm/memory.c:5051 [inline] handle_mm_fault+0x1f80/0x3dec mm/memory.c:5197 __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 __arch_copy_from_user+0x180/0x230 arch/arm64/lib/copy_template.S:146 fb_ioctl+0xec/0x134 drivers/video/fbdev/core/fbmem.c:1202 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:870 [inline] __se_sys_ioctl fs/ioctl.c:856 [inline] __arm64_sys_ioctl+0x14c/0x1c8 fs/ioctl.c:856 __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+0x58/0x168 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 97f29dde d4210000 97f29ddc (d4210000) ---[ end trace 0000000000000000 ]---