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2966188ea3
The arguments are passed on registers, so if we pass only 3 defined arguments then the fourth argument for the prctl syscall could have garbage value within it. To avoid possible bugs, always pass 3 arguments to a raw syscall prctl call in addition to the prctl sub-option (the first argument).
37 lines
820 B
C++
37 lines
820 B
C++
/*
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* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <AK/Format.h>
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#include <Kernel/API/prctl_numbers.h>
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#include <assert.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <sys/internals.h>
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#include <syscall.h>
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#include <unistd.h>
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extern "C" {
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extern bool __stdio_is_initialized;
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void __assertion_failed(char const* msg)
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{
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if (__heap_is_stable) {
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dbgln("ASSERTION FAILED: {}", msg);
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if (__stdio_is_initialized)
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warnln("ASSERTION FAILED: {}", msg);
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}
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Syscall::SC_set_coredump_metadata_params params {
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{ "assertion", strlen("assertion") },
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{ msg, strlen(msg) },
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};
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syscall(SC_prctl, PR_SET_COREDUMP_METADATA_VALUE, ¶ms, nullptr, nullptr);
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abort();
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}
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}
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