2753fc8ee5
With this change we can report memory errors involving secondary allocations. Update the existing crasher tests to also test UAF/overflow/underflow on allocations with sizes sufficient to trigger the secondary allocator. Bug: 135772972 Change-Id: Ic8925c1f18621a8f272e26d5630e5d11d6d34d38
60 lines
2.4 KiB
C++
60 lines
2.4 KiB
C++
/*
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* Copyright (C) 2019 The Android Open Source Project
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
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* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include "linker_debuggerd.h"
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#include "debuggerd/handler.h"
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#include "private/bionic_globals.h"
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#include "linker_gdb_support.h"
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#if defined(__ANDROID_APEX__)
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static debugger_process_info get_process_info() {
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return {
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.abort_msg = __libc_shared_globals()->abort_msg,
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.fdsan_table = &__libc_shared_globals()->fd_table,
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.gwp_asan_state = __libc_shared_globals()->gwp_asan_state,
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.gwp_asan_metadata = __libc_shared_globals()->gwp_asan_metadata,
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.scudo_stack_depot = __libc_shared_globals()->scudo_stack_depot,
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.scudo_region_info = __libc_shared_globals()->scudo_region_info,
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.scudo_ring_buffer = __libc_shared_globals()->scudo_ring_buffer,
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};
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}
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#endif
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void linker_debuggerd_init() {
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// There may be a version mismatch between the bootstrap linker and the crash_dump in the APEX,
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// so don't pass in any process info from the bootstrap linker.
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debuggerd_callbacks_t callbacks = {
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#if defined(__ANDROID_APEX__)
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.get_process_info = get_process_info,
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#endif
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.post_dump = notify_gdb_of_libraries,
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};
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debuggerd_init(&callbacks);
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}
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