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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-28 14:29:10 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-28 14:29:10 +0000
commit2aa4a82499d4becd2284cdb482213d541b8804dd (patch)
treeb80bf8bf13c3766139fbacc530efd0dd9d54394c /gfx/qcms/fuzz/fuzz_targets/fuzz_target_qcms.rs
parentInitial commit. (diff)
downloadfirefox-2aa4a82499d4becd2284cdb482213d541b8804dd.tar.xz
firefox-2aa4a82499d4becd2284cdb482213d541b8804dd.zip
Adding upstream version 86.0.1.upstream/86.0.1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'gfx/qcms/fuzz/fuzz_targets/fuzz_target_qcms.rs')
-rw-r--r--gfx/qcms/fuzz/fuzz_targets/fuzz_target_qcms.rs94
1 files changed, 94 insertions, 0 deletions
diff --git a/gfx/qcms/fuzz/fuzz_targets/fuzz_target_qcms.rs b/gfx/qcms/fuzz/fuzz_targets/fuzz_target_qcms.rs
new file mode 100644
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+++ b/gfx/qcms/fuzz/fuzz_targets/fuzz_target_qcms.rs
@@ -0,0 +1,94 @@
+#![no_main]
+use libfuzzer_sys::fuzz_target;
+extern crate qcms;
+extern crate libc;
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/. */
+
+use qcms::c_bindings::{qcms_profile, icSigRgbData, qcms_profile_is_bogus, icSigGrayData};
+use qcms::c_bindings::{qcms_profile_get_color_space, qcms_profile_get_rendering_intent, qcms_profile_from_memory, qcms_profile_release, qcms_profile_sRGB, qcms_transform_create};
+use qcms::c_bindings::{qcms_profile_precache_output_transform, qcms_transform_data, qcms_transform_release, qcms_enable_iccv4};
+
+use qcms::DataType::*;
+
+ unsafe fn transform(src_profile: *mut qcms_profile, dst_profile: *mut qcms_profile, size: usize)
+ {
+ // qcms supports GRAY and RGB profiles as input, and RGB as output.
+
+ let src_color_space = qcms_profile_get_color_space(&*src_profile);
+ let mut src_type = if (size & 1) != 0 { RGBA8 } else { RGB8 };
+ if src_color_space == icSigGrayData {
+ src_type = if (size & 1) != 0 { GrayA8 } else { Gray8 };
+ } else if src_color_space != icSigRgbData {
+ return;
+ }
+
+ let dst_color_space = qcms_profile_get_color_space(&*dst_profile);
+ if dst_color_space != icSigRgbData {
+ return;
+ }
+ let dst_type = if (size & 2) != 0 { RGBA8 } else { RGB8 };
+
+ let intent = qcms_profile_get_rendering_intent(&*src_profile);
+ // Firefox calls this on the display profile to increase performance.
+ // Skip with low probability to increase coverage.
+ if (size % 15) != 0 {
+ qcms_profile_precache_output_transform(&mut *dst_profile);
+ }
+
+ let transform =
+ qcms_transform_create(&*src_profile, src_type, &*dst_profile, dst_type, intent);
+ if transform == std::ptr::null_mut() {
+ return;
+ }
+
+ const SRC_SIZE: usize = 36;
+ let src:[u8; SRC_SIZE] = [
+ 0x7F, 0x7F, 0x7F, 0x00, 0x00, 0x7F, 0x7F, 0xFF, 0x7F, 0x10, 0x20, 0x30,
+ 0x00, 0x00, 0x00, 0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0xB0, 0xBF, 0xEF, 0x6F,
+ 0x3F, 0xC0, 0x9F, 0xE0, 0x90, 0xCF, 0x40, 0xAF, 0x0F, 0x01, 0x60, 0xF0,
+ ];
+ let mut dst: [u8; 36 * 4] = [0; 144]; // 4x in case of GRAY to RGBA
+
+ qcms_transform_data(&*transform, src.as_ptr() as *const libc::c_void, dst.as_mut_ptr() as *mut libc::c_void, (SRC_SIZE / src_type.bytes_per_pixel()) as usize);
+ qcms_transform_release(transform);
+ }
+
+ unsafe fn do_fuzz(data: &[u8])
+ {
+ let size = data.len();
+ qcms_enable_iccv4();
+
+ let profile = qcms_profile_from_memory(data.as_ptr() as *const libc::c_void, size);
+ if profile == std::ptr::null_mut() {
+ return;
+ }
+
+ let srgb_profile = qcms_profile_sRGB();
+ if srgb_profile == std::ptr::null_mut() {
+ qcms_profile_release(profile);
+ return;
+ }
+
+ transform(profile, srgb_profile, size);
+
+ // Firefox only checks the display (destination) profile.
+ if !qcms_profile_is_bogus(&mut *profile) {
+
+ transform(srgb_profile, profile, size);
+
+ }
+ qcms_profile_release(profile);
+ qcms_profile_release(srgb_profile);
+
+ return;
+ }
+
+
+
+fuzz_target!(|data: &[u8]| {
+ unsafe { do_fuzz(data) }
+});