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|
/*
CCpp.cpp
Copyright (C) 2009 Zdenek Prikryl (zprikryl@redhat.com)
Copyright (C) 2009 RedHat inc.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include <sys/wait.h>
#include <fstream>
#include <sstream>
#include <set>
#include <iomanip>
#include <nss.h>
#include <sechash.h>
#include "abrtlib.h"
#include "CCpp.h"
#include "ABRTException.h"
#include "DebugDump.h"
#include "CommLayerInner.h"
#include "Polkit.h"
#define CORE_PATTERN_IFACE "/proc/sys/kernel/core_pattern"
#define CORE_PATTERN "|"CCPP_HOOK_PATH" "DEBUG_DUMPS_DIR" %p %s %u"
#define FILENAME_COREDUMP "coredump"
#define FILENAME_BACKTRACE "backtrace"
#define FILENAME_MEMORYMAP "memorymap"
CAnalyzerCCpp::CAnalyzerCCpp() :
m_bMemoryMap(false), m_bInstallDebuginfo(true)
{}
static bool is_hexstr(const char* str)
{
while (*str)
{
if (!isxdigit(*str))
return false;
str++;
}
return true;
}
static std::string CreateHash(const std::string& pInput)
{
std::string ret = "";
HASHContext* hc;
unsigned char hash[SHA1_LENGTH];
unsigned int len;
hc = HASH_Create(HASH_AlgSHA1);
if (!hc)
{
error_msg_and_die("HASH_Create(HASH_AlgSHA1) failed"); /* paranoia */
}
HASH_Begin(hc);
HASH_Update(hc, reinterpret_cast<const unsigned char*>(pInput.c_str()), pInput.length());
HASH_End(hc, hash, &len, sizeof(hash));
HASH_Destroy(hc);
char hash_str[SHA1_LENGTH*2 + 1];
char *d = hash_str;
unsigned char *s = hash;
while (len)
{
*d++ = "0123456789abcdef"[*s >> 4];
*d++ = "0123456789abcdef"[*s & 0xf];
s++;
len--;
}
*d = '\0';
return hash_str;
}
static std::string concat_str_vector(char **strings)
{
std::string result;
while (*strings)
{
result += *strings++;
if (*strings)
result += ' ';
}
return result;
}
static pid_t ExecVP(char** pArgs, uid_t uid, std::string& pOutput)
{
int pipeout[2];
char buff[1024];
pid_t child;
struct passwd* pw = getpwuid(uid);
if (!pw)
{
throw CABRTException(EXCEP_PLUGIN, std::string(__func__) + ": cannot get GID for UID.");
}
xpipe(pipeout);
child = fork();
if (child == -1)
{
perror_msg_and_die("fork");
}
if (child == 0)
{
VERB1 log("Executing: %s", concat_str_vector(pArgs).c_str());
close(pipeout[0]); /* read side of the pipe */
xmove_fd(pipeout[1], STDOUT_FILENO);
/* Make sure stdin is safely open to nothing */
close(STDIN_FILENO);
if (open("/dev/null", O_RDONLY))
if (open("/", O_RDONLY))
abort(); /* never happens */
/* Not a good idea, we won't see any error messages */
/* close(STDERR_FILENO); */
setgroups(1, &pw->pw_gid);
setregid(pw->pw_gid, pw->pw_gid);
setreuid(uid, uid);
setsid();
execvp(pArgs[0], pArgs);
/* VERB1 since sometimes we expect errors here */
VERB1 perror_msg("Can't execute '%s'", pArgs[0]);
exit(1);
}
close(pipeout[1]); /* write side of the pipe */
int r;
while ((r = read(pipeout[0], buff, sizeof(buff) - 1)) > 0)
{
buff[r] = '\0';
pOutput += buff;
}
close(pipeout[0]);
wait(NULL); /* prevent having zombie child process */
return 0;
}
static void GetBacktrace(const std::string& pDebugDumpDir, std::string& pBacktrace)
{
update_client(_("Getting backtrace..."));
std::string UID;
std::string executable;
{
CDebugDump dd;
dd.Open(pDebugDumpDir);
dd.LoadText(FILENAME_EXECUTABLE, executable);
dd.LoadText(FILENAME_UID, UID);
}
// Workaround for
// http://sourceware.org/bugzilla/show_bug.cgi?id=9622
unsetenv("TERM");
putenv((char*)"TERM=dumb");
char* args[9];
args[0] = (char*)"gdb";
args[1] = (char*)"-batch";
// when/if gdb supports it:
// (https://bugzilla.redhat.com/show_bug.cgi?id=528668):
//args[2] = (char*)"-ex";
//args[3] = "set debug-file-directory /usr/lib/debug/.build-id:/var/cache/abrt-di/usr/lib/debug/.build-id";
/*
* Unfortunately, "file BINARY_FILE" doesn't work well if BINARY_FILE
* was deleted (as often happens during system updates):
* gdb uses specified BINARY_FILE
* even if it is completely unrelated to the coredump
* See https://bugzilla.redhat.com/show_bug.cgi?id=525721
*/
args[2] = (char*)"-ex";
args[3] = xasprintf("file %s", executable.c_str());
args[4] = (char*)"-ex";
args[5] = xasprintf("core-file %s/"FILENAME_COREDUMP, pDebugDumpDir.c_str());
args[6] = (char*)"-ex";
args[7] = (char*)"thread apply all backtrace full";
args[8] = NULL;
ExecVP(args, atoi(UID.c_str()), pBacktrace);
free(args[3]);
free(args[5]);
}
static std::string GetIndependentBacktrace(const std::string& pBacktrace)
{
std::string header;
bool in_bracket = false;
bool in_quote = false;
bool in_header = false;
bool in_digit = false;
bool has_at = false;
bool has_filename = false;
bool has_bracket = false;
std::set<std::string> set_headers;
/* Backtrace example:
#0 0x00007f047e21af70 in __nanosleep_nocancel () from /lib64/libc-2.10.1.so
Thread 1 (Thread 30750):
#0 0x00007f047e21af70 in __nanosleep_nocancel () from /lib64/libc-2.10.1.so
No symbol table info available.
#1 0x00000000004037bb in rpl_nanosleep (requested_delay=0x7fff8999e400,
remaining_delay=0x0) at nanosleep.c:69
r = -516
delay = {tv_sec = 1260, tv_nsec = 0}
t0 = {tv_sec = 12407, tv_nsec = 291505364}
#2 0x000000000040322b in xnanosleep (seconds=<value optimized out>)
at xnanosleep.c:112
overflow = false
ts_sleep = {tv_sec = 1260, tv_nsec = 0}
__PRETTY_FUNCTION__ = "xnanosleep"
#3 0x0000000000401779 in main (argc=2, argv=0x7fff8999e598) at sleep.c:147
i = 2
seconds = 1260
ok = true
*/
const char *bk = pBacktrace.c_str();
while (*bk)
{
if (bk[0] == '#'
&& bk[1] >= '0' && bk[1] <= '7'
&& bk[2] == ' ' /* take only #0...#7 (8 last stack frames) */
&& !in_quote
) {
if (in_header && !has_filename)
{
header = "";
}
in_header = true;
}
if (in_header)
{
if (isdigit(*bk) && !in_quote && !has_at)
{
in_digit = true;
}
else if (bk[0] == '\\' && bk[1] == '\"')
{
bk++;
}
else if (*bk == '\"')
{
in_quote = in_quote == true ? false : true;
}
else if (*bk == '(' && !in_quote)
{
in_bracket = true;
in_digit = false;
header += '(';
}
else if (*bk == ')' && !in_quote)
{
in_bracket = false;
has_bracket = true;
in_digit = false;
header += ')';
}
else if (*bk == '\n' && has_filename)
{
set_headers.insert(header);
in_bracket = false;
in_quote = false;
in_header = false;
in_digit = false;
has_at = false;
has_filename = false;
has_bracket = false;
header = "";
}
else if (*bk == ',' && !in_quote)
{
in_digit = false;
}
else if (isspace(*bk) && !in_quote)
{
in_digit = false;
}
else if (bk[0] == 'a' && bk[1] == 't' && has_bracket && !in_quote)
{
has_at = true;
header += 'a';
}
else if (bk[0] == ':' && has_at && isdigit(bk[1]) && !in_quote)
{
has_filename = true;
}
else if (in_header && !in_digit && !in_quote && !in_bracket)
{
header += *bk;
}
}
bk++;
}
std::string pIndependentBacktrace;
std::set<std::string>::iterator it = set_headers.begin();
for (; it != set_headers.end(); it++)
{
pIndependentBacktrace += *it;
}
VERB3 log("IndependentBacktrace:'%s'", pIndependentBacktrace.c_str());
return pIndependentBacktrace;
}
static void GetIndependentBuildIdPC(const std::string& pBuildIdPC, std::string& pIndependentBuildIdPC)
{
int ii = 0;
while (ii < pBuildIdPC.length())
{
std::string line;
int jj = 0;
while (pBuildIdPC[ii] != '\n' && ii < pBuildIdPC.length())
{
line += pBuildIdPC[ii];
ii++;
}
while (line[jj] != '+' && jj < line.length())
{
jj++;
}
jj++;
while (line[jj] != '@' && jj < line.length())
{
if (!isspace(line[jj]))
{
pIndependentBuildIdPC += line[jj];
}
jj++;
}
ii++;
}
}
static std::string run_unstrip_n(const std::string& pDebugDumpDir)
{
std::string UID;
{
CDebugDump dd;
dd.Open(pDebugDumpDir);
dd.LoadText(FILENAME_UID, UID);
}
char* args[4];
args[0] = (char*)"eu-unstrip";
args[1] = xasprintf("--core=%s/"FILENAME_COREDUMP, pDebugDumpDir.c_str());
args[2] = (char*)"-n";
args[3] = NULL;
std::string output;
ExecVP(args, atoi(UID.c_str()), output);
free(args[1]);
return output;
}
static void InstallDebugInfos(const std::string& pDebugDumpDir, std::string& build_ids)
{
log("Getting module names, file names, build IDs from core file");
std::string unstrip_list = run_unstrip_n(pDebugDumpDir);
log("Builting list of missing debuginfos");
// lines look like this:
// 0x400000+0x209000 23c77451cf6adff77fc1f5ee2a01d75de6511dda@0x40024c - - [exe]
// 0x400000+0x209000 ab3c8286aac6c043fd1bb1cc2a0b88ec29517d3e@0x40024c /bin/sleep /usr/lib/debug/bin/sleep.debug [exe]
// 0x7fff313ff000+0x1000 389c7475e3d5401c55953a425a2042ef62c4c7df@0x7fff313ff2f8 . - linux-vdso.so.1
vector_string_t missing;
char *dup = xstrdup(unstrip_list.c_str());
char *p = dup;
char c;
do {
char* end = strchrnul(p, '\n');
c = *end;
*end = '\0';
char* word2 = strchr(p, ' ');
if (!word2)
continue;
word2++;
char* endsp = strchr(word2, ' ');
if (!endsp)
continue;
/* endsp points to 2nd space in the line now*/
/* This filters out linux-vdso.so, among others */
if (strstr(endsp, "[exe]") == NULL && endsp[1] != '/')
continue;
*endsp = '\0';
char* at = strchrnul(word2, '@');
*at = '\0';
bool file_exists = 1;
if (word2[0] && word2[1] && is_hexstr(word2))
{
struct stat sb;
char *fn = xasprintf("/usr/lib/debug/.build-id/%.2s/%s.debug", word2, word2 + 2);
/* Not lstat: this is a symlink and we want link's TARGET to exist */
file_exists = stat(fn, &sb) == 0 && S_ISREG(sb.st_mode);
free(fn);
build_ids += "build-id ";
build_ids += word2;
build_ids += file_exists ? " (debuginfo present)\n" : " (debuginfo absent)\n";
}
log("build_id:%s exists:%d", word2, (int)file_exists);
if (!file_exists)
missing.push_back(word2);
p = end + 1;
} while (c);
free(dup);
if (missing.size() == 0)
{
log("All debuginfos are present, not installing debuginfo packages");
return;
}
//missing vector is unused for now, but TODO: use it to install only needed debuginfos
std::string package;
{
CDebugDump dd;
dd.Open(pDebugDumpDir);
dd.LoadText(FILENAME_PACKAGE, package);
}
update_client(_("Searching for debug-info packages..."));
int pipein[2], pipeout[2];
xpipe(pipein);
xpipe(pipeout);
pid_t child = fork();
if (child < 0)
{
/*close(pipein[0]); close(pipeout[0]); - why bother */
/*close(pipein[1]); close(pipeout[1]); */
perror_msg_and_die("fork");
}
if (child == 0)
{
close(pipein[1]);
close(pipeout[0]);
xmove_fd(pipein[0], STDIN_FILENO);
xmove_fd(pipeout[1], STDOUT_FILENO);
/* Not a good idea, we won't see any error messages */
/*close(STDERR_FILENO);*/
setsid();
/* Honestly, I do not know what is worse, pk-debuginfo-install or debuginfo-install:
# pk-debuginfo-install -y -- coreutils-7.2-4.fc11
1. Getting sources list...OK. Found 16 enabled and 23 disabled sources.
2. Finding debugging sources...OK. Found 0 disabled debuginfo repos.
3. Enabling debugging sources...OK. Enabled 0 debugging sources.
4. Finding debugging packages...Failed to find the package : more than one package found for
Failed to find the package : more than one package found for
FAILED. Found no packages to install.
5. Disabling sources previously enabled...OK. Disabled 0 debugging sources.
:( FAIL!
# debuginfo-install -y -- coreutils-7.2-4.fc11
Loaded plugins: refresh-packagekit
Another application is holding the yum lock, cannot continue
:( FAIL!
# debuginfo-install -y -- coreutils-7.2-4.fc11
(second time in a row - it worked)
*/
/* log() goes to stderr/syslog, it's ok to use it here */
VERB1 log("Executing: %s %s %s %s", "pk-debuginfo-install", "-y", "--", package.c_str());
execlp("pk-debuginfo-install", "pk-debuginfo-install", "-y", "--", package.c_str(), NULL);
/* fall back */
VERB1 log("Executing: %s %s %s %s", "debuginfo-install", "-y", "--", package.c_str());
execlp("debuginfo-install", "debuginfo-install", "-y", "--", package.c_str(), NULL);
exit(1);
}
close(pipein[0]);
close(pipeout[1]);
/* Should not be needed (we use -y option), but just in case: */
safe_write(pipein[1], "y\n", sizeof("y\n")-1);
close(pipein[1]);
update_client(_("Downloading and installing debug-info packages..."));
FILE *pipeout_fp = fdopen(pipeout[0], "r");
if (pipeout_fp == NULL) /* never happens */
{
close(pipeout[0]);
wait(NULL);
return;
}
/* glx-utils, for example, do not have glx-utils-debuginfo package.
* Disabled code was causing failures in backtrace decoding.
* This does not seem to be useful.
*/
#ifdef COMPLAIN_IF_NO_DEBUGINFO
bool already_installed = false;
#endif
char buff[1024];
std::string packageName = package.substr(0, package.rfind("-", package.rfind("-")-1));
while (fgets(buff, sizeof(buff), pipeout_fp))
{
int last = strlen(buff) - 1;
if (last >= 0 && buff[last] == '\n')
buff[last] = '\0';
/* log(buff); - update_client logs it too */
update_client(buff); /* maybe only if buff != ""? */
#ifdef COMPLAIN_IF_NO_DEBUGINFO
if (already_installed == false)
{
/* "Package foo-debuginfo-1.2-5.ARCH already installed and latest version" */
char* pn = strstr(buff, packageName.c_str());
if (pn)
{
char* already_str = strstr(pn, "already installed and latest version");
if (already_str)
{
already_installed = true;
}
}
}
if (already_installed == false &&
(strstr(buff, "No debuginfo packages available to install") != NULL ||
strstr(buff, "Could not find debuginfo for main pkg") != NULL ||
strstr(buff, "Could not find debuginfo pkg for dependency package") != NULL))
{
fclose(pipeout_fp);
kill(child, SIGTERM);
wait(NULL);
throw CABRTException(EXCEP_PLUGIN, std::string(__func__) + ": cannot install debuginfos for " + pPackage);
}
#endif
}
fclose(pipeout_fp);
wait(NULL);
}
#if 0
/* Needs gdb feature from here: https://bugzilla.redhat.com/show_bug.cgi?id=528668 */
static void InstallDebugInfos(const std::string& pDebugDumpDir, std::string& build_ids)
{
update_client(_("Searching for debug-info packages..."));
int pipein[2], pipeout[2]; //TODO: get rid of pipein. Can we use ExecVP?
xpipe(pipein);
xpipe(pipeout);
pid_t child = fork();
if (child < 0)
{
/*close(pipein[0]); close(pipeout[0]); - why bother */
/*close(pipein[1]); close(pipeout[1]); */
perror_msg_and_die("fork");
}
if (child == 0)
{
close(pipein[1]);
close(pipeout[0]);
xmove_fd(pipein[0], STDIN_FILENO);
xmove_fd(pipeout[1], STDOUT_FILENO);
/* Not a good idea, we won't see any error messages */
/*close(STDERR_FILENO);*/
setsid();
char *coredump = xasprintf("%s/"FILENAME_COREDUMP, pDebugDumpDir.c_str());
char *tempdir = xasprintf("/tmp/abrt-%u-%lu", (int)getpid(), (long)time(NULL));
/* log() goes to stderr/syslog, it's ok to use it here */
VERB1 log("Executing: %s %s %s %s", "abrt-debuginfo-install", coredump, tempdir, "/var/cache/abrt-di");
execlp("abrt-debuginfo-install", "abrt-debuginfo-install", coredump, tempdir, "/var/cache/abrt-di", NULL);
exit(1);
}
close(pipein[0]);
close(pipeout[1]);
update_client(_("Downloading and installing debug-info packages..."));
FILE *pipeout_fp = fdopen(pipeout[0], "r");
if (pipeout_fp == NULL) /* never happens */
{
close(pipeout[0]);
wait(NULL);
return;
}
char buff[1024];
while (fgets(buff, sizeof(buff), pipeout_fp))
{
int last = strlen(buff) - 1;
if (last >= 0 && buff[last] == '\n')
buff[last] = '\0';
if (strncmp(buff, "MISSING:", 8) == 0)
{
build_ids += "Debuginfo absent: ";
build_ids += buff + 8;
build_ids += "\n";
}
const char *p = buff;
while (*p == ' ' || *p == '\t')
{
p++;
}
if (*p)
{
/* log(buff); - update_client logs it too */
update_client(buff);
}
}
fclose(pipeout_fp);
wait(NULL);
}
#endif
std::string CAnalyzerCCpp::GetLocalUUID(const std::string& pDebugDumpDir)
{
log(_("Getting local universal unique identification..."));
std::string executable;
std::string package;
{
CDebugDump dd;
dd.Open(pDebugDumpDir);
dd.LoadText(FILENAME_EXECUTABLE, executable);
dd.LoadText(FILENAME_PACKAGE, package);
}
std::string buildIdPC = run_unstrip_n(pDebugDumpDir);
std::string independentBuildIdPC;
GetIndependentBuildIdPC(buildIdPC, independentBuildIdPC);
return CreateHash(package + executable + independentBuildIdPC);
}
std::string CAnalyzerCCpp::GetGlobalUUID(const std::string& pDebugDumpDir)
{
log(_("Getting global universal unique identification..."));
std::string backtrace;
std::string executable;
std::string package;
{
CDebugDump dd;
dd.Open(pDebugDumpDir);
dd.LoadText(FILENAME_BACKTRACE, backtrace);
dd.LoadText(FILENAME_EXECUTABLE, executable);
dd.LoadText(FILENAME_PACKAGE, package);
}
std::string independentBacktrace = GetIndependentBacktrace(backtrace);
return CreateHash(package + executable + independentBacktrace);
}
static bool DebuginfoCheckPolkit(int uid)
{
int child_pid = fork();
if (child_pid < 0)
{
perror_msg_and_die("fork");
}
if (child_pid == 0)
{
//child
if (setuid(uid))
exit(1); //paranoia
PolkitResult result = polkit_check_authorization(getpid(),
"org.fedoraproject.abrt.install-debuginfos");
exit(result != PolkitYes); //exit 1 (failure) if not allowed
}
//parent
int status;
if (waitpid(child_pid, &status, 0) > 0 && WEXITSTATUS(status) == 0)
{
return true; //authorization OK
}
log("UID %d is not authorized to install debuginfos", uid);
return false;
}
void CAnalyzerCCpp::CreateReport(const std::string& pDebugDumpDir, int force)
{
update_client(_("Starting report creation..."));
std::string package;
std::string backtrace;
std::string UID;
CDebugDump dd;
dd.Open(pDebugDumpDir);
if (!force)
{
bool bt_exists = dd.Exist(FILENAME_BACKTRACE);
if (bt_exists)
{
return; /* backtrace already exists */
}
}
dd.LoadText(FILENAME_PACKAGE, package);
dd.LoadText(FILENAME_UID, UID);
dd.Close(); /* do not keep dir locked longer than needed */
std::string build_ids;
map_plugin_settings_t settings = GetSettings();
if (settings["InstallDebuginfo"] == "yes" &&
DebuginfoCheckPolkit(atoi(UID.c_str())) )
{
InstallDebugInfos(pDebugDumpDir, build_ids);
}
else
{
VERB1 log(_("Skipping debuginfo installation"));
}
GetBacktrace(pDebugDumpDir, backtrace);
dd.Open(pDebugDumpDir);
dd.SaveText(FILENAME_BACKTRACE, build_ids + backtrace);
log("BACKTRACE:'%s'", (build_ids + backtrace).c_str());
if (m_bMemoryMap)
{
dd.SaveText(FILENAME_MEMORYMAP, "memory map of the crashed C/C++ application, not implemented yet");
}
}
void CAnalyzerCCpp::Init()
{
std::ifstream fInCorePattern;
fInCorePattern.open(CORE_PATTERN_IFACE);
if (fInCorePattern.is_open())
{
getline(fInCorePattern, m_sOldCorePattern);
fInCorePattern.close();
}
if (m_sOldCorePattern[0] == '|')
{
if (m_sOldCorePattern == CORE_PATTERN)
{
log("warning: %s already contains %s, "
"did abrt daemon crash recently?",
CORE_PATTERN_IFACE, CORE_PATTERN);
/* There is no point in "restoring" CORE_PATTERN_IFACE
* to CORE_PATTERN on exit. Will restore to a default value:
*/
m_sOldCorePattern = "core";
} else {
log("warning: %s was already set to run a crash analyser (%s), "
"abrt may interfere with it",
CORE_PATTERN_IFACE, CORE_PATTERN);
}
}
std::ofstream fOutCorePattern;
fOutCorePattern.open(CORE_PATTERN_IFACE);
if (fOutCorePattern.is_open())
{
fOutCorePattern << CORE_PATTERN << std::endl;
fOutCorePattern.close();
}
}
void CAnalyzerCCpp::DeInit()
{
std::ofstream fOutCorePattern;
fOutCorePattern.open(CORE_PATTERN_IFACE);
if (fOutCorePattern.is_open())
{
fOutCorePattern << m_sOldCorePattern << std::endl;
fOutCorePattern.close();
}
}
void CAnalyzerCCpp::SetSettings(const map_plugin_settings_t& pSettings)
{
map_plugin_settings_t::const_iterator end = pSettings.end();
map_plugin_settings_t::const_iterator it = pSettings.find("MemoryMap");
if (it != end)
{
m_bMemoryMap = it->second == "yes";
}
it = pSettings.find("DebugInfo");
if (it != end)
{
m_sDebugInfo = it->second;
}
it = pSettings.find("InstallDebuginfo");
if (it != end)
{
m_bInstallDebuginfo = it->second == "yes";
}
}
map_plugin_settings_t CAnalyzerCCpp::GetSettings()
{
map_plugin_settings_t ret;
ret["MemoryMap"] = m_bMemoryMap ? "yes" : "no";
ret["DebugInfo"] = m_sDebugInfo;
ret["InstallDebuginfo"] = m_bInstallDebuginfo ? "yes" : "no";
return ret;
}
PLUGIN_INFO(ANALYZER,
CAnalyzerCCpp,
"CCpp",
"0.0.1",
"Simple C/C++ analyzer plugin.",
"zprikryl@redhat.com",
"https://fedorahosted.org/abrt/wiki",
"");
|