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// Copyright 2017 syzkaller project authors. All rights reserved.
// Use of this source code is governed by Apache 2 LICENSE that can be found in the LICENSE file.
// +build
#define SYZ_EXECUTOR
#include "common_akaros.h"
#include "executor_posix.h"
#include "executor.h"
#include "syscalls_akaros.h"
uint32_t output;
int main(int argc, char** argv)
{
if (argc == 2 && strcmp(argv[1], "version") == 0) {
puts(GOOS " " GOARCH " " SYZ_REVISION " " GIT_REVISION);
return 0;
}
use_temporary_dir();
install_segv_handler();
setup_control_pipes();
receive_handshake();
reply_handshake();
for (;;) {
receive_execute(true);
char cwdbuf[128] = "/syz-tmpXXXXXX";
mkdtemp(cwdbuf);
int pid = fork();
if (pid < 0)
fail("fork failed");
if (pid == 0) {
close(kInPipeFd);
close(kOutPipeFd);
if (chdir(cwdbuf))
fail("chdir failed");
execute_one();
doexit(0);
}
int status = 0;
uint64_t start = current_time_ms();
for (;;) {
int res = waitpid(pid, &status, WNOHANG);
if (res == pid)
break;
sleep_ms(10);
uint64_t now = current_time_ms();
if (now - start < 3 * 1000)
continue;
kill(pid, SIGKILL);
while (waitpid(pid, &status, 0) != pid) {
}
break;
}
status = WEXITSTATUS(status);
if (status == kFailStatus)
fail("child failed");
if (status == kErrorStatus)
error("child errored");
remove_dir(cwdbuf);
reply_execute(0);
}
return 0;
}
long execute_syscall(call_t* c, long a0, long a1, long a2, long a3, long a4, long a5, long a6, long a7, long a8)
{
return syscall(c->sys_nr, a0, a1, a2, a3, a4, a5, a6, a7, a8);
}
void cover_open()
{
}
void cover_enable(thread_t* th)
{
}
void cover_reset(thread_t* th)
{
}
uint64_t read_cover_size(thread_t* th)
{
return 0;
}
uint32_t* write_output(uint32_t v)
{
return &output;
}
void write_completed(uint32_t completed)
{
}
bool kcov_comparison_t::ignore() const
{
return false;
}
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