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Asan: Support parse asan symbol backtrace log. v5.0.113 (#3324)

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* asan: support parse asan symbol log

* asan: refine srs_parse_asan_backtrace_symbols error code

* asan: Refine code, extract asan log to error file.

Co-authored-by: winlin <winlin@vip.126.com>
This commit is contained in:
ChenGH 2022-12-18 21:14:11 +08:00 • committed by GitHub
parent e6f40bd0c7
commit 7eaee46f1f
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5 changed files with 56 additions and 5 deletions
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49
trunk/src/kernel/srs_kernel_error.cpp
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@ -7,6 +7,7 @@
#include <srs_kernel_error.hpp>
#include <srs_kernel_log.hpp>
#include <srs_kernel_utility.hpp>
#include <errno.h>
#include <sstream>
@ -15,6 +16,7 @@
#include <assert.h>
#include <map>
#include <vector>
using namespace std;
#if defined(SRS_BACKTRACE) && defined(__linux)
@ -118,6 +120,53 @@ char* addr2line_format(void* addr, char* symbol, char* buffer, int nn_buffer)
}
#endif
int srs_parse_asan_backtrace_symbols(char* symbol, char* out_buf)
{
#if defined(SRS_BACKTRACE) && defined(__linux)
void* frame = parse_symbol_offset(symbol);
if (!frame) {
return ERROR_BACKTRACE_PARSE_OFFSET;
}
char* fmt = addr2line_format(frame, symbol, out_buf, sizeof(out_buf));
if (fmt != out_buf) {
return ERROR_BACKTRACE_ADDR2LINE;
}
return ERROR_SUCCESS;
#endif
return ERROR_BACKTRACE_PARSE_NOT_SUPPORT;
}
#ifdef SRS_SANITIZER_LOG
void asan_report_callback(const char* str)
{
static char buf[256];
// No error code for assert failed.
errno = 0;
std::vector<std::string> asan_logs = srs_string_split(string(str), "\n");
size_t log_count = asan_logs.size();
for (size_t i = 0; i < log_count; i++) {
std::string log = asan_logs[i];
if (!srs_string_starts_with(srs_string_trim_start(log, " "), "#")) {
srs_error("%s", log.c_str());
continue;
}
buf[0] = 0;
int r0 = srs_parse_asan_backtrace_symbols((char*)log.c_str(), buf);
if (r0 != ERROR_SUCCESS) {
srs_error("%s, r0=%d", log.c_str(), r0);
} else {
srs_error("%s, %s", log.c_str(), buf);
}
}
}
#endif
bool srs_is_system_control_error(srs_error_t err)
{
int error_code = srs_error_code(err);