static void dup_corebt_init(const struct dump_dir *dd)
{
if (corebt)
return; /* already loaded */
char *corebt_text = load_backtrace(dd);
if (!corebt_text)
return; /* no backtrace */
enum sr_report_type report_type = sr_abrt_type_from_type(type);
if (report_type == SR_REPORT_INVALID)
{
log_notice("Can't load stacktrace because of unsupported type: %s",
type);
return;
}
/* sr_stacktrace_parse moves the pointer */
char *error_message;
corebt = sr_stacktrace_parse(report_type, corebt_text, &error_message);
if (!corebt)
{
log_notice("Failed to load core stacktrace: %s", error_message);
free(error_message);
}
free(corebt_text);
}
static int core_backtrace_is_duplicate(struct sr_stacktrace *bt1,
const char *bt2_text)
{
struct sr_thread *thread1 = sr_stacktrace_find_crash_thread(bt1);
if (thread1 == NULL)
{
log_notice("New stacktrace has no crash thread, disabling core stacktrace deduplicate");
dup_corebt_fini();
return 0;
}
int result;
char *error_message;
struct sr_stacktrace *bt2 = sr_stacktrace_parse(sr_abrt_type_from_type(type),
bt2_text, &error_message);
if (bt2 == NULL)
{
log_notice("Failed to parse backtrace, considering it not duplicate: %s", error_message);
free(error_message);
return 0;
}
struct sr_thread *thread2 = sr_stacktrace_find_crash_thread(bt2);
if (thread2 == NULL)
{
log_notice("Failed to get crash thread, considering it not duplicate");
result = 0;
goto end;
}
int length2 = sr_thread_frame_count(thread2);
if (length2 <= 0)
{
log_notice("Core backtrace has zero frames, considering it not duplicate");
result = 0;
goto end;
}
float distance = sr_distance(SR_DISTANCE_DAMERAU_LEVENSHTEIN, thread1, thread2);
log_info("Distance between backtraces: %f", distance);
result = (distance <= BACKTRACE_DUP_THRESHOLD);
end:
sr_stacktrace_free(bt2);
return result;
}
enum sr_report_type
sr_abrt_type_from_analyzer(const char *analyzer)
{
warn("sr_abrt_type_from_analyzer() is deprecated, using sr_abrt_type_from_type() instead");
return sr_abrt_type_from_type(analyzer);
}
struct sr_report *
sr_abrt_report_from_dir(const char *directory,
char **error_message)
{
struct sr_report *report = sr_report_new();
/* Report type. */
char *type_contents = file_contents(directory, "type", error_message);
if (!type_contents)
{
sr_report_free(report);
return NULL;
}
report->report_type = sr_abrt_type_from_type(type_contents);
free(type_contents);
/* Operating system. */
report->operating_system = sr_abrt_operating_system_from_dir(
directory, error_message);
if (!report->operating_system)
{
sr_report_free(report);
return NULL;
}
/* Component name. */
report->component_name = file_contents(directory, "component", error_message);
/* RPM packages. */
report->rpm_packages = sr_abrt_rpm_packages_from_dir(
directory, error_message);
if (!report->rpm_packages)
{
sr_report_free(report);
return NULL;
}
/* Core stacktrace. */
if (report->report_type == SR_REPORT_CORE)
{
char *core_backtrace_contents = file_contents(directory, "core_backtrace",
error_message);
if (!core_backtrace_contents)
{
sr_report_free(report);
return NULL;
}
report->stacktrace = (struct sr_stacktrace *)sr_core_stacktrace_from_json_text(
core_backtrace_contents, error_message);
free(core_backtrace_contents);
if (!report->stacktrace)
{
sr_report_free(report);
return NULL;
}
}
/* Python stacktrace. */
if (report->report_type == SR_REPORT_PYTHON)
{
char *backtrace_contents = file_contents(directory, "backtrace",
error_message);
if (!backtrace_contents)
{
sr_report_free(report);
return NULL;
}
/* Parse the Python stacktrace. */
struct sr_location location;
sr_location_init(&location);
const char *contents_pointer = backtrace_contents;
report->stacktrace = (struct sr_stacktrace *)sr_python_stacktrace_parse(
&contents_pointer,
&location);
free(backtrace_contents);
if (!report->stacktrace)
{
*error_message = sr_location_to_string(&location);
sr_report_free(report);
return NULL;
}
}
/* Kerneloops stacktrace. */
if (report->report_type == SR_REPORT_KERNELOOPS)
{
/* Determine kernel version */
char *kernel_contents = file_contents(directory, "kernel",
error_message);
if (!kernel_contents)
{
sr_report_free(report);
return NULL;
}
/* Load the Kerneloops stacktrace */
char *backtrace_contents = file_contents(directory, "backtrace", error_message);
if (!backtrace_contents)
{
sr_report_free(report);
return NULL;
}
/* Parse the Kerneloops stacktrace. */
struct sr_location location;
sr_location_init(&location);
const char *contents_pointer = backtrace_contents;
struct sr_koops_stacktrace *stacktrace = sr_koops_stacktrace_parse(
&contents_pointer,
&location);
stacktrace->version = kernel_contents;
report->stacktrace = (struct sr_stacktrace *)stacktrace;
free(backtrace_contents);
if (!report->stacktrace)
{
*error_message = sr_location_to_string(&location);
sr_report_free(report);
return NULL;
}
}
/* Java stacktrace. */
if (report->report_type == SR_REPORT_JAVA)
{
char *backtrace_contents = file_contents(directory, "backtrace", error_message);
if (!backtrace_contents)
{
sr_report_free(report);
return NULL;
}
/* Parse the Java stacktrace. */
struct sr_location location;
sr_location_init(&location);
const char *contents_pointer = backtrace_contents;
report->stacktrace = (struct sr_stacktrace *)sr_java_stacktrace_parse(
&contents_pointer,
&location);
free(backtrace_contents);
if (!report->stacktrace)
{
*error_message = sr_location_to_string(&location);
sr_report_free(report);
return NULL;
}
}
/* Ruby stacktrace. */
if (report->report_type == SR_REPORT_RUBY)
{
char *backtrace_contents = file_contents(directory, "backtrace",
error_message);
if (!backtrace_contents)
{
sr_report_free(report);
return NULL;
}
/* Parse the Ruby stacktrace. */
struct sr_location location;
sr_location_init(&location);
const char *contents_pointer = backtrace_contents;
report->stacktrace = (struct sr_stacktrace *)sr_ruby_stacktrace_parse(
&contents_pointer,
&location);
free(backtrace_contents);
if (!report->stacktrace)
{
*error_message = sr_location_to_string(&location);
sr_report_free(report);
return NULL;
}
}
return report;
}
static int
append_short_backtrace(struct strbuf *result, problem_data_t *problem_data, bool print_item_name, problem_report_settings_t *settings)
{
const problem_item *backtrace_item = problem_data_get_item_or_NULL(problem_data,
FILENAME_BACKTRACE);
const problem_item *core_stacktrace_item = NULL;
if (!backtrace_item || !(backtrace_item->flags & CD_FLAG_TXT))
{
backtrace_item = NULL;
core_stacktrace_item = problem_data_get_item_or_NULL(problem_data,
FILENAME_CORE_BACKTRACE);
if (!core_stacktrace_item || !(core_stacktrace_item->flags & CD_FLAG_TXT))
return 0;
}
char *truncated = NULL;
if (core_stacktrace_item || strlen(backtrace_item->content) >= settings->prs_shortbt_max_text_size)
{
log_debug("'backtrace' exceeds the text file size, going to append its short version");
char *error_msg = NULL;
const char *type = problem_data_get_content_or_NULL(problem_data, FILENAME_TYPE);
if (!type)
{
log_debug("Problem data does not contain '"FILENAME_TYPE"' file");
return 0;
}
/* For CCpp crashes, use the GDB-produced backtrace which should be
* available by now. sr_abrt_type_from_type returns SR_REPORT_CORE
* by default for CCpp crashes.
*/
enum sr_report_type report_type = sr_abrt_type_from_type(type);
if (backtrace_item && strcmp(type, "CCpp") == 0)
{
log_debug("Successfully identified 'CCpp' abrt type");
report_type = SR_REPORT_GDB;
}
const char *content = backtrace_item ? backtrace_item->content : core_stacktrace_item->content;
struct sr_stacktrace *backtrace = sr_stacktrace_parse(report_type, content, &error_msg);
if (!backtrace)
{
log(_("Can't parse backtrace: %s"), error_msg);
free(error_msg);
return 0;
}
/* normalize */
struct sr_thread *thread = sr_stacktrace_find_crash_thread(backtrace);
sr_thread_normalize(thread);
/* Get optimized thread stack trace for max_frames top most frames */
truncated = sr_stacktrace_to_short_text(backtrace, settings->prs_shortbt_max_frames);
sr_stacktrace_free(backtrace);
if (!truncated)
{
log(_("Can't generate stacktrace description (no crash thread?)"));
return 0;
}
}
else
{
log_debug("'backtrace' is small enough to be included as is");
}
/* full item content */
append_text(result,
/*item_name:*/ truncated ? "truncated_backtrace" : FILENAME_BACKTRACE,
/*content:*/ truncated ? truncated : backtrace_item->content,
print_item_name
);
free(truncated);
return 1;
}
