Re: Memory leak with curl_multi_socket_action

On Mon, May 25, 2020 at 10:37 PM Daniel Stenberg <daniel_at_haxx.se> wrote:

> On Mon, 25 May 2020, James Read wrote:
>
> > I call curl_multi_cleanup here:
>
> > I call curl_easy_cleanup here:
>
> > What am I missing?
>
> I don't think we'll be able to tell you that. We can't reproduce this
> problem.
> We don't see any memory leak in any builds on any platforms.
>
> I suggest you write up a sample program based on your experiences that
> reproduces the problem, and show that to us. Then we can help out more!
>

#include <errno.h>
#include <fcntl.h>
#include <signal.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/epoll.h>
#include <sys/stat.h>
#include <sys/time.h>
#include <sys/timerfd.h>
#include <sys/types.h>
#include <sys/resource.h>
#include <sys/socket.h>
#include <arpa/inet.h>
#include <time.h>
#include <unistd.h>
#include <pthread.h>
#include <netdb.h>
#include <time.h>
#include <netinet/in.h>

#include <curl/curl.h>

#define MSG_OUT stdout
#define DEFAULT_QUEUE_LENGTH 10000
#define mycase(code) \
        case code: s = __STRING(code)

typedef struct _CrawlerConfig
{
char redis_address[1024];
int redis_port;
char mongo_address[1024];
int mongo_port;

char url_file[1024];

int queue_length;
} CrawlerConfig;

/* Global information, common to all connections */
typedef struct _GlobalInfo
{
int epfd; /* epoll filedescriptor */
int tfd; /* timer filedescriptor */
CURLM *multi;
int still_running;
pthread_mutex_t lock;
int concurrent_connections;
pthread_mutex_t parsed_lock;
int parsed_sites;

CrawlerConfig config;
} GlobalInfo;

/* Information associated with a specific easy handle */
typedef struct _ConnInfo
{
CURL *easy;
char *url;
GlobalInfo *global;
char error[CURL_ERROR_SIZE];
size_t size;
char *data;
} ConnInfo;

/* Information associated with a specific socket */
typedef struct _SockInfo
{
curl_socket_t sockfd;
CURL *easy;
int action;
long timeout;
GlobalInfo *global;
} SockInfo;

/* Die if we get a bad CURLMcode somewhere */
static void
mcode_or_die(const char *where, CURLMcode code)
{
if (CURLM_OK != code) {
const char *s;

switch (code) {
mycase(CURLM_BAD_HANDLE); break;
mycase(CURLM_BAD_EASY_HANDLE); break;
mycase(CURLM_OUT_OF_MEMORY); break;
mycase(CURLM_INTERNAL_ERROR); break;
mycase(CURLM_UNKNOWN_OPTION); break;
mycase(CURLM_LAST); break;
default: s = "CURLM_unknown"; break;
mycase(CURLM_BAD_SOCKET);
fprintf(MSG_OUT, "ERROR: %s returns %s\n", where, s);
/* ignore this error */
return;
}

fprintf(MSG_OUT, "ERROR: %s returns %s\n", where, s);
exit(code);
}
}

void
concurrent_connections_inc(GlobalInfo *g)
{
g->concurrent_connections++;

printf("\rParsed sites: %d, %d parallel connections, %d still running\t",
g->parsed_sites, g->concurrent_connections, g->still_running);
fflush(stdout);
}

void
concurrent_connections_dec(GlobalInfo *g)
{
g->concurrent_connections--;

printf("\rParsed sites: %d, %d parallel connections, %d still running\t",
g->parsed_sites, g->concurrent_connections, g->still_running);
fflush(stdout);
}

static void timer_cb(GlobalInfo* g, int revents);

/* Update the timer after curl_multi library does it's thing. Curl will
 * inform us through this callback what it wants the new timeout to be,
 * after it does some work. */
static int
multi_timer_cb(CURLM *multi, long timeout_ms, GlobalInfo *g)
{
struct itimerspec its;

//fprintf(MSG_OUT, "multi_timer_cb: Setting timeout to %ld ms\n",
timeout_ms);

if (timeout_ms > 0) {
its.it_interval.tv_sec = 1;
its.it_interval.tv_nsec = 0;
its.it_value.tv_sec = timeout_ms / 1000;
its.it_value.tv_nsec = (timeout_ms % 1000) * 1000 * 1000;
} else if(timeout_ms == 0) {
/* libcurl wants us to timeout now, however setting both fields of
* new_value.it_value to zero disarms the timer. The closest we can
* do is to schedule the timer to fire in 1 ns. */
its.it_interval.tv_sec = 1;
its.it_interval.tv_nsec = 0;
its.it_value.tv_sec = 0;
its.it_value.tv_nsec = 1;
} else {
memset(&its, 0, sizeof(struct itimerspec));
}

timerfd_settime(g->tfd, /*flags=*/ 0, &its, NULL);

return (0);
}

/* Check for completed transfers, and remove their easy handles */
static void
check_multi_info(GlobalInfo *g)
{
char *eff_url;
CURLMsg *msg;
int msgs_left;
ConnInfo *conn;
CURL *easy;
char *ct;
double time;
double dl;
//CURLcode res;

while ((msg = curl_multi_info_read(g->multi, &msgs_left))) {
if (msg->msg == CURLMSG_DONE) {
easy = msg->easy_handle;
//res = msg->data.result;
curl_easy_getinfo(easy, CURLINFO_PRIVATE, &conn);
curl_easy_getinfo(easy, CURLINFO_EFFECTIVE_URL, &eff_url);
curl_easy_getinfo(easy, CURLINFO_CONTENT_TYPE, &ct);
curl_easy_getinfo(easy, CURLINFO_TOTAL_TIME, &time);
curl_easy_getinfo(easy, CURLINFO_SIZE_DOWNLOAD, &dl);

//fprintf(MSG_OUT, "DONE: %s => (%d) %s\n", eff_url, res, conn->error);

curl_multi_remove_handle(g->multi, easy);
//free(conn->url);
free(conn->data);
curl_easy_cleanup(easy);
free(conn);
}
}
}

/* Called by libevent when we get action on a multi socket filedescriptor*/
static void
event_cb(GlobalInfo *g, int fd, int revents)
{
CURLMcode rc;
struct itimerspec its;

int action = ((revents & EPOLLIN) ? CURL_CSELECT_IN : 0) |
((revents & EPOLLOUT) ? CURL_CSELECT_OUT : 0);

rc = curl_multi_socket_action(g->multi, fd, action, &g->still_running);
mcode_or_die("event_cb: curl_multi_socket_action", rc);

check_multi_info(g);

if (g->still_running <= 0) {
//fprintf(MSG_OUT, "last transfer done, kill timeout\n");
memset(&its, 0, sizeof(struct itimerspec));
timerfd_settime(g->tfd, 0, &its, NULL);
}
}

/* Called by main loop when our timeout expires */
static void
timer_cb(GlobalInfo* g, int revents)
{
CURLMcode rc;
uint64_t count = 0;
ssize_t err = 0;

err = read(g->tfd, &count, sizeof(uint64_t));
if (err == -1) {
/* Note that we may call the timer callback even if the timerfd isn't
* readable. It's possible that there are multiple events stored in the
* epoll buffer (i.e. the timer may have fired multiple times). The
* event count is cleared after the first call so future events in the
* epoll buffer will fail to read from the timer. */
if (errno == EAGAIN) {
//fprintf(MSG_OUT, "EAGAIN on tfd %d\n", g->tfd);
return;
}
}

if (err != sizeof(uint64_t)) {
fprintf(stderr, "read(tfd) == %ld", err);
perror("read(tfd)");
}

rc = curl_multi_socket_action(g->multi, CURL_SOCKET_TIMEOUT, 0,
&g->still_running);
mcode_or_die("timer_cb: curl_multi_socket_action", rc);
check_multi_info(g);
}

/* Assign information to a SockInfo structure */
static void
setsock(SockInfo *f, curl_socket_t s, CURL *e, int act, GlobalInfo *g)
{
struct epoll_event ev;
int kind = ((act & CURL_POLL_IN) ? EPOLLIN : 0) |
  ((act & CURL_POLL_OUT) ? EPOLLOUT : 0);

if (f->sockfd) {
concurrent_connections_dec(g);
if (epoll_ctl(g->epfd, EPOLL_CTL_DEL, f->sockfd, NULL))
fprintf(stderr, "EPOLL_CTL_DEL failed for fd: %d : %s\n",
 f->sockfd, strerror(errno));
}

f->sockfd = s;
f->action = act;
f->easy = e;

ev.events = kind;
ev.data.fd = s;

concurrent_connections_inc(g);
if (epoll_ctl(g->epfd, EPOLL_CTL_ADD, s, &ev)) {
fprintf(stderr, "EPOLL_CTL_ADD failed for fd: %d : %s\n",
 s, strerror(errno));
}
}

/* Initialize a new SockInfo structure */
static void
addsock(curl_socket_t s, CURL *easy, int action, GlobalInfo *g)
{
SockInfo *fdp = (SockInfo *)calloc(sizeof(SockInfo), 1);

fdp->global = g;
setsock(fdp, s, easy, action, g);
curl_multi_assign(g->multi, s, fdp);
}

static size_t
write_cb(void *contents, size_t size, size_t nmemb, void *p)
{
ConnInfo *conn = (ConnInfo *)p;
size_t realsize = size * nmemb;

conn->data = realloc(conn->data, conn->size + realsize + 1);
if (conn->data == NULL) {
/* out of memory! */
printf("not enough memory (realloc returned NULL)\n");
return 0;
}

memcpy(&(conn->data[conn->size]), contents, realsize);
conn->size += realsize;
conn->data[conn->size] = 0;

return realsize;
}

/* Create a new easy handle, and add it to the global curl_multi */
int
new_conn(char *url, GlobalInfo *g)
{
ConnInfo *conn;
CURLMcode rc;
char buffer1[1024];
char buffer2[1024];

memset(buffer1, 0, sizeof(buffer1));
memset(buffer2, 0, sizeof(buffer2));

conn = (ConnInfo*)calloc(1, sizeof(ConnInfo));
conn->error[0]='\0';
conn->global = g;

conn->easy = curl_easy_init();
if (!conn->easy) {
fprintf(MSG_OUT, "curl_easy_init() failed, exiting!\n");
exit(2);
}

int autoresolve = 0;

conn->global = g;
conn->url = url;
curl_easy_setopt(conn->easy, CURLOPT_URL, conn->url);
curl_easy_setopt(conn->easy, CURLOPT_WRITEFUNCTION, write_cb);
curl_easy_setopt(conn->easy, CURLOPT_WRITEDATA, conn);
curl_easy_setopt(conn->easy, CURLOPT_FOLLOWLOCATION, 1L);
curl_easy_setopt(conn->easy, CURLOPT_ERRORBUFFER, conn->error);
curl_easy_setopt(conn->easy, CURLOPT_PRIVATE, conn);
curl_easy_setopt(conn->easy, CURLOPT_NOPROGRESS, 1L);
curl_easy_setopt(conn->easy, CURLOPT_PROGRESSDATA, conn);
curl_easy_setopt(conn->easy, CURLOPT_FOLLOWLOCATION, 1L);
curl_easy_setopt(conn->easy, CURLOPT_LOW_SPEED_TIME, 3L);
curl_easy_setopt(conn->easy, CURLOPT_LOW_SPEED_LIMIT, 100L);
curl_easy_setopt(conn->easy, CURLOPT_CONNECTTIMEOUT, 10L);
curl_easy_setopt(conn->easy, CURLOPT_CLOSESOCKETDATA, g);

rc = curl_multi_add_handle(g->multi, conn->easy);
mcode_or_die("new_conn: curl_multi_add_handle", rc);

/* note that the add_handle() will set a time-out to trigger very soon so
     that the necessary socket_action() call will be called by this app */

return (0);
}

/* Clean up the SockInfo structure */
static void
remsock(SockInfo *f, GlobalInfo* g)
{
if (f) {
if (f->sockfd) {
g->concurrent_connections--;
if (epoll_ctl(g->epfd, EPOLL_CTL_DEL, f->sockfd, NULL))
fprintf(stderr, "EPOLL_CTL_DEL failed for fd: %d : %s\n",
 f->sockfd, strerror(errno));
}

free(f);
}
}

/* CURLMOPT_SOCKETFUNCTION */
static int
sock_cb(CURL *e, curl_socket_t s, int what, void *cbp, void *sockp)
{
GlobalInfo *g = (GlobalInfo*) cbp;
SockInfo *fdp = (SockInfo*) sockp;

if (what == CURL_POLL_REMOVE) {
remsock(fdp, g);
} else {
if (!fdp) {
addsock(s, e, what, g);
} else {
setsock(fdp, s, e, what, g);
}
}

return (0);
}

int should_exit = 0;

void
signal_handler(int signo)
{
should_exit = 1;
}

static void
thread_sighandler(int signum)
{
printf("\nCrawler exiting.\n");
pthread_exit(NULL);
}

void *
crawler_init(void *arg)
{
GlobalInfo g;
struct itimerspec its;
struct epoll_event ev;
struct epoll_event events[10000];

signal(SIGUSR1, thread_sighandler);

memset(&g, 0, sizeof(GlobalInfo));

memcpy(&g.config, arg, sizeof(CrawlerConfig));

g.epfd = epoll_create1(EPOLL_CLOEXEC);
if (g.epfd == -1) {
perror("epoll_create1 failed\n");
exit(1);
}

g.tfd = timerfd_create(CLOCK_MONOTONIC, TFD_NONBLOCK | TFD_CLOEXEC);
if (g.tfd == -1) {
perror("timerfd_create failed\n");
exit(1);
}

memset(&its, 0, sizeof(struct itimerspec));
its.it_interval.tv_sec = 1;
its.it_value.tv_sec = 1;
timerfd_settime(g.tfd, 0, &its, NULL);

ev.events = EPOLLIN;
ev.data.fd = g.tfd;
epoll_ctl(g.epfd, EPOLL_CTL_ADD, g.tfd, &ev);

curl_global_init(CURL_GLOBAL_DEFAULT);
g.multi = curl_multi_init();

/* setup the generic multi interface options we want */
curl_multi_setopt(g.multi, CURLMOPT_SOCKETFUNCTION, sock_cb);
curl_multi_setopt(g.multi, CURLMOPT_SOCKETDATA, &g);
curl_multi_setopt(g.multi, CURLMOPT_TIMERFUNCTION, multi_timer_cb);
curl_multi_setopt(g.multi, CURLMOPT_TIMERDATA, &g);

/* we don't call any curl_multi_socket*() function yet as we have no
handles added! */

//printf("Starting crawler...\n");

while (!should_exit) {
int idx;
int err = epoll_wait(g.epfd, events, sizeof(events)/sizeof(struct
epoll_event), 10000);

new_conn("www.google.com", &g);
new_conn("www.yahoo.com", &g);
new_conn("www.bing.com", &g);

if (err == -1) {
if (errno == EINTR) {
fprintf(MSG_OUT, "note: wait interrupted\n");
continue;
} else {
perror("epoll_wait");
exit(1);
}
}

for (idx = 0; idx < err; ++idx) {
if (events[idx].data.fd == g.tfd) {
timer_cb(&g, events[idx].events);
} else {
event_cb(&g, events[idx].data.fd, events[idx].events);
}
}
}

fprintf(MSG_OUT, "Exiting normally.\n");
fflush(MSG_OUT);

curl_multi_cleanup(g.multi);
curl_global_cleanup();

return (NULL);
}

int
main(int argc, char **argv)
{
int cleanup = 0, opt, ret;
CrawlerConfig config;

memset(&config, 0, sizeof(config));
config.queue_length = DEFAULT_QUEUE_LENGTH;

should_exit = 0;
signal(SIGINT, signal_handler);
signal(SIGKILL, signal_handler);

crawler_init( (void *)&config);

printf("Exiting.\n");

return (0);
}

Valgrind output:

==14068== Memcheck, a memory error detector
==14068== Copyright (C) 2002-2017, and GNU GPL'd, by Julian Seward et al.
==14068== Using Valgrind-3.15.0-608cb11914-20190413 and LibVEX; rerun with
-h for copyright info
==14068== Command: ./a.out
==14068== Parent PID: 12453
==14068==
--14068--
--14068-- Valgrind options:
--14068-- -v
--14068-- --tool=memcheck
--14068-- --leak-check=full
--14068-- --show-reachable=yes
--14068-- --track-origins=yes
--14068-- --log-file=memcheck.log
--14068-- Contents of /proc/version:
--14068-- Linux version 5.4.0-31-generic (buildd_at_lgw01-amd64-059) (gcc
version 9.3.0 (Ubuntu 9.3.0-10ubuntu2)) #35-Ubuntu SMP Thu May 7 20:20:34
UTC 2020
--14068--
--14068-- Arch and hwcaps: AMD64, LittleEndian,
amd64-cx16-lzcnt-rdtscp-sse3-ssse3-avx-avx2-bmi-f16c-rdrand
--14068-- Page sizes: currently 4096, max supported 4096
--14068-- Valgrind library directory: /usr/lib/x86_64-linux-gnu/valgrind
--14068-- Reading syms from /home/yaakov/libcurlbugreport/a.out
--14068-- Reading syms from /usr/lib/x86_64-linux-gnu/ld-2.31.so
--14068-- Considering /usr/lib/x86_64-linux-gnu/ld-2.31.so ..
--14068-- .. CRC mismatch (computed 387b17ea wanted d28cf5ef)
--14068-- Considering /lib/x86_64-linux-gnu/ld-2.31.so ..
--14068-- .. CRC mismatch (computed 387b17ea wanted d28cf5ef)
--14068-- Considering /usr/lib/debug/lib/x86_64-linux-gnu/ld-2.31.so ..
--14068-- .. CRC is valid
--14068-- Reading syms from
/usr/lib/x86_64-linux-gnu/valgrind/memcheck-amd64-linux
--14068-- object doesn't have a symbol table
--14068-- object doesn't have a dynamic symbol table
--14068-- Scheduler: using generic scheduler lock implementation.
--14068-- Reading suppressions file:
/usr/lib/x86_64-linux-gnu/valgrind/default.supp
==14068== embedded gdbserver: reading from
/tmp/vgdb-pipe-from-vgdb-to-14068-by-yaakov-on-???
==14068== embedded gdbserver: writing to
/tmp/vgdb-pipe-to-vgdb-from-14068-by-yaakov-on-???
==14068== embedded gdbserver: shared mem
/tmp/vgdb-pipe-shared-mem-vgdb-14068-by-yaakov-on-???
==14068==
==14068== TO CONTROL THIS PROCESS USING vgdb (which you probably
==14068== don't want to do, unless you know exactly what you're doing,
==14068== or are doing some strange experiment):
==14068== /usr/lib/x86_64-linux-gnu/valgrind/../../bin/vgdb --pid=14068
...command...
==14068==
==14068== TO DEBUG THIS PROCESS USING GDB: start GDB like this
==14068== /path/to/gdb ./a.out
==14068== and then give GDB the following command
==14068== target remote |
/usr/lib/x86_64-linux-gnu/valgrind/../../bin/vgdb --pid=14068
==14068== --pid is optional if only one valgrind process is running
==14068==
--14068-- REDIR: 0x4022d80 (ld-linux-x86-64.so.2:strlen) redirected to
0x580c9ce2 (???)
--14068-- REDIR: 0x4022b50 (ld-linux-x86-64.so.2:index) redirected to
0x580c9cfc (???)
--14068-- Reading syms from
/usr/lib/x86_64-linux-gnu/valgrind/vgpreload_core-amd64-linux.so
--14068-- object doesn't have a symbol table
--14068-- Reading syms from
/usr/lib/x86_64-linux-gnu/valgrind/vgpreload_memcheck-amd64-linux.so
--14068-- object doesn't have a symbol table
==14068== WARNING: new redirection conflicts with existing -- ignoring it
--14068-- old: 0x04022d80 (strlen ) R-> (0000.0)
0x580c9ce2 ???
--14068-- new: 0x04022d80 (strlen ) R-> (2007.0)
0x0483f060 strlen
--14068-- REDIR: 0x401f560 (ld-linux-x86-64.so.2:strcmp) redirected to
0x483ffd0 (strcmp)
--14068-- REDIR: 0x40232e0 (ld-linux-x86-64.so.2:mempcpy) redirected to
0x4843a20 (mempcpy)
--14068-- Reading syms from /usr/local/lib/libcurl.so.4.6.0
--14068-- Reading syms from /usr/lib/x86_64-linux-gnu/libc-2.31.so
--14068-- Considering /usr/lib/x86_64-linux-gnu/libc-2.31.so ..
--14068-- .. CRC mismatch (computed a6f43087 wanted 6555436e)
--14068-- Considering /lib/x86_64-linux-gnu/libc-2.31.so ..
--14068-- .. CRC mismatch (computed a6f43087 wanted 6555436e)
--14068-- Considering /usr/lib/debug/lib/x86_64-linux-gnu/libc-2.31.so ..
--14068-- .. CRC is valid
--14068-- Reading syms from /usr/lib/x86_64-linux-gnu/libssl.so.1.1
--14068-- object doesn't have a symbol table
--14068-- Reading syms from /usr/lib/x86_64-linux-gnu/libcrypto.so.1.1
--14068-- object doesn't have a symbol table
--14068-- Reading syms from /usr/lib/x86_64-linux-gnu/libz.so.1.2.11
--14068-- object doesn't have a symbol table
--14068-- Reading syms from /usr/lib/x86_64-linux-gnu/libpthread-2.31.so
--14068-- Considering
/usr/lib/debug/.build-id/77/5cbbfff814456660786780b0b3b40096b4c05e.debug ..
--14068-- .. build-id is valid
--14068-- Reading syms from /usr/lib/x86_64-linux-gnu/libdl-2.31.so
--14068-- Considering /usr/lib/x86_64-linux-gnu/libdl-2.31.so ..
--14068-- .. CRC mismatch (computed 4fd191ca wanted df8dd39a)
--14068-- Considering /lib/x86_64-linux-gnu/libdl-2.31.so ..
--14068-- .. CRC mismatch (computed 4fd191ca wanted df8dd39a)
--14068-- Considering /usr/lib/debug/lib/x86_64-linux-gnu/libdl-2.31.so ..
--14068-- .. CRC is valid
--14068-- REDIR: 0x49e7600 (libc.so.6:memmove) redirected to 0x48311d0
(_vgnU_ifunc_wrapper)
--14068-- REDIR: 0x49e6900 (libc.so.6:strncpy) redirected to 0x48311d0
(_vgnU_ifunc_wrapper)
--14068-- REDIR: 0x49e7930 (libc.so.6:strcasecmp) redirected to 0x48311d0
(_vgnU_ifunc_wrapper)
--14068-- REDIR: 0x49e6220 (libc.so.6:strcat) redirected to 0x48311d0
(_vgnU_ifunc_wrapper)
--14068-- REDIR: 0x49e6960 (libc.so.6:rindex) redirected to 0x48311d0
(_vgnU_ifunc_wrapper)
--14068-- REDIR: 0x49e8dd0 (libc.so.6:rawmemchr) redirected to 0x48311d0
(_vgnU_ifunc_wrapper)
--14068-- REDIR: 0x4a03e60 (libc.so.6:wmemchr) redirected to 0x48311d0
(_vgnU_ifunc_wrapper)
--14068-- REDIR: 0x4a039a0 (libc.so.6:wcscmp) redirected to 0x48311d0
(_vgnU_ifunc_wrapper)
--14068-- REDIR: 0x49e7760 (libc.so.6:mempcpy) redirected to 0x48311d0
(_vgnU_ifunc_wrapper)
--14068-- REDIR: 0x49e7590 (libc.so.6:bcmp) redirected to 0x48311d0
(_vgnU_ifunc_wrapper)
--14068-- REDIR: 0x49e6890 (libc.so.6:strncmp) redirected to 0x48311d0
(_vgnU_ifunc_wrapper)
--14068-- REDIR: 0x49e62d0 (libc.so.6:strcmp) redirected to 0x48311d0
(_vgnU_ifunc_wrapper)
--14068-- REDIR: 0x49e76c0 (libc.so.6:memset) redirected to 0x48311d0
(_vgnU_ifunc_wrapper)
--14068-- REDIR: 0x4a03960 (libc.so.6:wcschr) redirected to 0x48311d0
(_vgnU_ifunc_wrapper)
--14068-- REDIR: 0x49e67f0 (libc.so.6:strnlen) redirected to 0x48311d0
(_vgnU_ifunc_wrapper)
--14068-- REDIR: 0x49e63b0 (libc.so.6:strcspn) redirected to 0x48311d0
(_vgnU_ifunc_wrapper)
--14068-- REDIR: 0x49e7980 (libc.so.6:strncasecmp) redirected to 0x48311d0
(_vgnU_ifunc_wrapper)
--14068-- REDIR: 0x49e6350 (libc.so.6:strcpy) redirected to 0x48311d0
(_vgnU_ifunc_wrapper)
--14068-- REDIR: 0x49e7ad0 (libc.so.6:memcpy@@GLIBC_2.14) redirected to
0x48311d0 (_vgnU_ifunc_wrapper)
--14068-- REDIR: 0x4a050d0 (libc.so.6:wcsnlen) redirected to 0x48311d0
(_vgnU_ifunc_wrapper)
--14068-- REDIR: 0x4a039e0 (libc.so.6:wcscpy) redirected to 0x48311d0
(_vgnU_ifunc_wrapper)
--14068-- REDIR: 0x49e69a0 (libc.so.6:strpbrk) redirected to 0x48311d0
(_vgnU_ifunc_wrapper)
--14068-- REDIR: 0x49e6280 (libc.so.6:index) redirected to 0x48311d0
(_vgnU_ifunc_wrapper)
--14068-- REDIR: 0x49e67b0 (libc.so.6:strlen) redirected to 0x48311d0
(_vgnU_ifunc_wrapper)
--14068-- REDIR: 0x49efd20 (libc.so.6:memrchr) redirected to 0x48311d0
(_vgnU_ifunc_wrapper)
--14068-- REDIR: 0x49e79d0 (libc.so.6:strcasecmp_l) redirected to 0x48311d0
(_vgnU_ifunc_wrapper)
--14068-- REDIR: 0x49e7550 (libc.so.6:memchr) redirected to 0x48311d0
(_vgnU_ifunc_wrapper)
--14068-- REDIR: 0x4a03ab0 (libc.so.6:wcslen) redirected to 0x48311d0
(_vgnU_ifunc_wrapper)
--14068-- REDIR: 0x49e6c60 (libc.so.6:strspn) redirected to 0x48311d0
(_vgnU_ifunc_wrapper)
--14068-- REDIR: 0x49e78d0 (libc.so.6:stpncpy) redirected to 0x48311d0
(_vgnU_ifunc_wrapper)
--14068-- REDIR: 0x49e7870 (libc.so.6:stpcpy) redirected to 0x48311d0
(_vgnU_ifunc_wrapper)
--14068-- REDIR: 0x49e8e10 (libc.so.6:strchrnul) redirected to 0x48311d0
(_vgnU_ifunc_wrapper)
--14068-- REDIR: 0x49e7a20 (libc.so.6:strncasecmp_l) redirected to
0x48311d0 (_vgnU_ifunc_wrapper)
--14068-- REDIR: 0x4a74750 (libc.so.6:__memcpy_chk) redirected to 0x48311d0
(_vgnU_ifunc_wrapper)
--14068-- REDIR: 0x49e7470 (libc.so.6:strstr) redirected to 0x48311d0
(_vgnU_ifunc_wrapper)
--14068-- REDIR: 0x4acf300 (libc.so.6:__strrchr_avx2) redirected to
0x483ea10 (rindex)
--14068-- REDIR: 0x4acf4d0 (libc.so.6:__strlen_avx2) redirected to
0x483ef40 (strlen)
--14068-- REDIR: 0x4ad2960 (libc.so.6:__memset_avx2_unaligned_erms)
redirected to 0x48428e0 (memset)
==14068== Warning: ignored attempt to set SIGKILL handler in sigaction();
==14068== the SIGKILL signal is uncatchable
==14068== Syscall param epoll_ctl(event) points to uninitialised byte(s)
==14068== at 0x4A66ACE: epoll_ctl (syscall-template.S:78)
==14068== by 0x10A684: crawler_init (crawler.c:436)
==14068== by 0x10A9B1: main (crawler.c:501)
==14068== Address 0x1ffefe10ac is on thread 1's stack
==14068== in frame #1, created by crawler_init (crawler.c:405)
==14068== Uninitialised value was created by a stack allocation
==14068== at 0x10A4FF: crawler_init (crawler.c:405)
==14068==
--14068-- REDIR: 0x49e1260 (libc.so.6:malloc) redirected to 0x483b780
(malloc)
--14068-- REDIR: 0x4ad0a10 (libc.so.6:__strcpy_avx2) redirected to
0x483f090 (strcpy)
--14068-- REDIR: 0x49e2000 (libc.so.6:realloc) redirected to 0x483df30
(realloc)
--14068-- REDIR: 0x49e1850 (libc.so.6:free) redirected to 0x483c9d0 (free)
--14068-- REDIR: 0x4ad1700 (libc.so.6:__stpcpy_avx2) redirected to
0x4842300 (stpcpy)
--14068-- REDIR: 0x4ad24c0 (libc.so.6:__mempcpy_avx_unaligned_erms)
redirected to 0x4843660 (mempcpy)
--14068-- REDIR: 0x4ad24e0 (libc.so.6:__memcpy_avx_unaligned_erms)
redirected to 0x48429f0 (memmove)
--14068-- REDIR: 0x4aca9d0 (libc.so.6:__strcmp_avx2) redirected to
0x483fed0 (strcmp)
--14068-- REDIR: 0x49e7120 (libc.so.6:__GI_strstr) redirected to 0x4843ca0
(__strstr_sse2)
--14068-- REDIR: 0x4aceee0 (libc.so.6:__strchr_avx2) redirected to
0x483ebf0 (index)
--14068-- REDIR: 0x4acb330 (libc.so.6:__memchr_avx2) redirected to
0x4840050 (memchr)
--14068-- REDIR: 0x4acae10 (libc.so.6:__strncmp_avx2) redirected to
0x483f670 (strncmp)
--14068-- REDIR: 0x49e2c90 (libc.so.6:calloc) redirected to 0x483dce0
(calloc)
--14068-- REDIR: 0x4aca620 (libc.so.6:__strcspn_sse42) redirected to
0x4843e10 (strcspn)
--14068-- REDIR: 0x4acb600 (libc.so.6:__rawmemchr_avx2) redirected to
0x4843580 (rawmemchr)
--14068-- REDIR: 0x4acf110 (libc.so.6:__strchrnul_avx2) redirected to
0x4843540 (strchrnul)
==14068== Syscall param epoll_ctl(event) points to uninitialised byte(s)
==14068== at 0x4A66ACE: epoll_ctl (syscall-template.S:78)
==14068== by 0x109E02: setsock (crawler.c:266)
==14068== by 0x109EA2: addsock (crawler.c:279)
==14068== by 0x10A47A: sock_cb (crawler.c:379)
==14068== by 0x48B60B1: singlesocket (multi.c:2593)
==14068== by 0x48B6878: multi_socket (multi.c:2839)
==14068== by 0x48B7053: curl_multi_socket_action (multi.c:2956)
==14068== by 0x109CCE: timer_cb (crawler.c:238)
==14068== by 0x10A843: crawler_init (crawler.c:472)
==14068== by 0x10A9B1: main (crawler.c:501)
==14068== Address 0x1ffefe0d94 is on thread 1's stack
==14068== in frame #1, created by setsock (crawler.c:246)
==14068== Uninitialised value was created by a stack allocation
==14068== at 0x109D08: setsock (crawler.c:246)
==14068==
--14068-- REDIR: 0x4acbac0 (libc.so.6:__memcmp_avx2_movbe) redirected to
0x48421e0 (bcmp)
--14068-- REDIR: 0x4acd520 (libc.so.6:__strncasecmp_avx) redirected to
0x483f910 (strncasecmp)
--14068-- REDIR: 0x4aca760 (libc.so.6:__strpbrk_sse42) redirected to
0x4843da0 (strpbrk)
--14068-- Reading syms from /usr/lib/x86_64-linux-gnu/libnss_files-2.31.so
--14068-- Considering /usr/lib/x86_64-linux-gnu/libnss_files-2.31.so ..
--14068-- .. CRC mismatch (computed d61da5d9 wanted 3c29bbce)
--14068-- Considering /lib/x86_64-linux-gnu/libnss_files-2.31.so ..
--14068-- .. CRC mismatch (computed d61da5d9 wanted 3c29bbce)
--14068-- Considering /usr/lib/debug/lib/x86_64-linux-gnu/
libnss_files-2.31.so ..
--14068-- .. CRC is valid
--14068-- REDIR: 0x4acbea0 (libc.so.6:__strcasecmp_avx) redirected to
0x483f830 (strcasecmp)
--14068-- Reading syms from
/usr/lib/x86_64-linux-gnu/libnss_mdns4_minimal.so.2
--14068-- object doesn't have a symbol table
--14068-- Reading syms from /usr/lib/x86_64-linux-gnu/libresolv-2.31.so
--14068-- Considering /usr/lib/x86_64-linux-gnu/libresolv-2.31.so ..
--14068-- .. CRC mismatch (computed 5c5a0ea5 wanted 7eb6f788)
--14068-- Considering /lib/x86_64-linux-gnu/libresolv-2.31.so ..
--14068-- .. CRC mismatch (computed 5c5a0ea5 wanted 7eb6f788)
--14068-- Considering /usr/lib/debug/lib/x86_64-linux-gnu/
libresolv-2.31.so ..
--14068-- .. CRC is valid
--14068-- Reading syms from /usr/lib/x86_64-linux-gnu/libnss_dns-2.31.so
--14068-- Considering /usr/lib/x86_64-linux-gnu/libnss_dns-2.31.so ..
--14068-- .. CRC mismatch (computed e989e5a4 wanted 00ac370c)
--14068-- Considering /lib/x86_64-linux-gnu/libnss_dns-2.31.so ..
--14068-- .. CRC mismatch (computed e989e5a4 wanted 00ac370c)
--14068-- Considering /usr/lib/debug/lib/x86_64-linux-gnu/
libnss_dns-2.31.so ..
--14068-- .. CRC is valid
==14068== Syscall param epoll_ctl(event) points to uninitialised byte(s)
==14068== at 0x4A66ACE: epoll_ctl (syscall-template.S:78)
==14068== by 0x109E02: setsock (crawler.c:266)
==14068== by 0x10A499: sock_cb (crawler.c:381)
==14068== by 0x48B60B1: singlesocket (multi.c:2593)
==14068== by 0x48B6878: multi_socket (multi.c:2839)
==14068== by 0x48B7053: curl_multi_socket_action (multi.c:2956)
==14068== by 0x109BA0: event_cb (crawler.c:200)
==14068== by 0x10A89C: crawler_init (crawler.c:474)
==14068== by 0x10A9B1: main (crawler.c:501)
==14068== Address 0x1ffefe0db4 is on thread 1's stack
==14068== in frame #1, created by setsock (crawler.c:246)
==14068== Uninitialised value was created by a stack allocation
==14068== at 0x109D08: setsock (crawler.c:246)
==14068==
--14068-- Discarding syms at 0x9af55c0-0x9afba1c in
/usr/lib/x86_64-linux-gnu/libnss_files-2.31.so (have_dinfo 1)
--14068-- Discarding syms at 0x9b073a0-0x9b0884a in
/usr/lib/x86_64-linux-gnu/libnss_mdns4_minimal.so.2 (have_dinfo 1)
--14068-- Discarding syms at 0x9b2a320-0x9b2d998 in
/usr/lib/x86_64-linux-gnu/libnss_dns-2.31.so (have_dinfo 1)
--14068-- Discarding syms at 0x9b10720-0x9b1f11c in
/usr/lib/x86_64-linux-gnu/libresolv-2.31.so (have_dinfo 1)
==14068==
==14068== HEAP SUMMARY:
==14068== in use at exit: 2,377,175 bytes in 1,138 blocks
==14068== total heap usage: 123,804 allocs, 122,666 frees, 943,468,716
bytes allocated
==14068==
==14068== Searching for pointers to 1,138 not-freed blocks
==14068== Checked 294,240 bytes
==14068==
==14068== 63 bytes in 3 blocks are indirectly lost in loss record 1 of 48
==14068== at 0x483B7F3: malloc (in
/usr/lib/x86_64-linux-gnu/valgrind/vgpreload_memcheck-amd64-linux.so)
==14068== by 0x48A9DB8: curl_dbg_malloc (memdebug.c:174)
==14068== by 0x48A9FDE: curl_dbg_strdup (memdebug.c:229)
==14068== by 0x48E51E5: seturl (urlapi.c:831)
==14068== by 0x48E584C: parseurl (urlapi.c:958)
==14068== by 0x48E6A4F: curl_url_set (urlapi.c:1332)
==14068== by 0x488D142: parseurlandfillconn (url.c:1849)
==14068== by 0x48908FF: create_conn (url.c:3390)
==14068== by 0x4891A37: Curl_connect (url.c:3893)
==14068== by 0x48B4135: multi_runsingle (multi.c:1643)
==14068== by 0x48B6841: multi_socket (multi.c:2833)
==14068== by 0x48B7053: curl_multi_socket_action (multi.c:2956)
==14068==
==14068== 87 bytes in 3 blocks are indirectly lost in loss record 2 of 48
==14068== at 0x483B7F3: malloc (in
/usr/lib/x86_64-linux-gnu/valgrind/vgpreload_memcheck-amd64-linux.so)
==14068== by 0x48A9DB8: curl_dbg_malloc (memdebug.c:174)
==14068== by 0x48A9FDE: curl_dbg_strdup (memdebug.c:229)
==14068== by 0x48E54B5: seturl (urlapi.c:890)
==14068== by 0x48E584C: parseurl (urlapi.c:958)
==14068== by 0x48E6A4F: curl_url_set (urlapi.c:1332)
==14068== by 0x488D142: parseurlandfillconn (url.c:1849)
==14068== by 0x48908FF: create_conn (url.c:3390)
==14068== by 0x4891A37: Curl_connect (url.c:3893)
==14068== by 0x48B4135: multi_runsingle (multi.c:1643)
==14068== by 0x48B6841: multi_socket (multi.c:2833)
==14068== by 0x48B7053: curl_multi_socket_action (multi.c:2956)
==14068==
==14068== 93 bytes in 3 blocks are indirectly lost in loss record 3 of 48
==14068== at 0x483B7F3: malloc (in
/usr/lib/x86_64-linux-gnu/valgrind/vgpreload_memcheck-amd64-linux.so)
==14068== by 0x48A9DB8: curl_dbg_malloc (memdebug.c:174)
==14068== by 0x48A9FDE: curl_dbg_strdup (memdebug.c:229)
==14068== by 0x48E55F6: seturl (urlapi.c:920)
==14068== by 0x48E584C: parseurl (urlapi.c:958)
==14068== by 0x48E6A4F: curl_url_set (urlapi.c:1332)
==14068== by 0x488D142: parseurlandfillconn (url.c:1849)
==14068== by 0x48908FF: create_conn (url.c:3390)
==14068== by 0x4891A37: Curl_connect (url.c:3893)
==14068== by 0x48B4135: multi_runsingle (multi.c:1643)
==14068== by 0x48B6841: multi_socket (multi.c:2833)
==14068== by 0x48B7053: curl_multi_socket_action (multi.c:2956)
==14068==
==14068== 290 bytes in 10 blocks are indirectly lost in loss record 4 of 48
==14068== at 0x483B7F3: malloc (in
/usr/lib/x86_64-linux-gnu/valgrind/vgpreload_memcheck-amd64-linux.so)
==14068== by 0x48A9DB8: curl_dbg_malloc (memdebug.c:174)
==14068== by 0x48A9FDE: curl_dbg_strdup (memdebug.c:229)
==14068== by 0x48C5712: Curl_setstropt (setopt.c:62)
==14068== by 0x48C972A: Curl_vsetopt (setopt.c:1283)
==14068== by 0x48CEE54: curl_easy_setopt (setopt.c:2794)
==14068== by 0x10A0F0: new_conn (crawler.c:329)
==14068== by 0x10A785: crawler_init (crawler.c:458)
==14068== by 0x10A9B1: main (crawler.c:501)
==14068==
==14068== 320 bytes in 10 blocks are indirectly lost in loss record 5 of 48
==14068== at 0x483DD99: calloc (in
/usr/lib/x86_64-linux-gnu/valgrind/vgpreload_memcheck-amd64-linux.so)
==14068== by 0x48A9EE0: curl_dbg_calloc (memdebug.c:205)
==14068== by 0x486A389: Curl_resolver_init (asyn-thread.c:115)
==14068== by 0x488A794: Curl_open (url.c:597)
==14068== by 0x487BCF4: curl_easy_init (easy.c:301)
==14068== by 0x10A04B: new_conn (crawler.c:319)
==14068== by 0x10A785: crawler_init (crawler.c:458)
==14068== by 0x10A9B1: main (crawler.c:501)
==14068==
==14068== 369 bytes in 3 blocks are indirectly lost in loss record 6 of 48
==14068== at 0x483B7F3: malloc (in
/usr/lib/x86_64-linux-gnu/valgrind/vgpreload_memcheck-amd64-linux.so)
==14068== by 0x48A9DB8: curl_dbg_malloc (memdebug.c:174)
==14068== by 0x48A9FDE: curl_dbg_strdup (memdebug.c:229)
==14068== by 0x48E538A: seturl (urlapi.c:864)
==14068== by 0x48E584C: parseurl (urlapi.c:958)
==14068== by 0x48E6A4F: curl_url_set (urlapi.c:1332)
==14068== by 0x488D142: parseurlandfillconn (url.c:1849)
==14068== by 0x48908FF: create_conn (url.c:3390)
==14068== by 0x4891A37: Curl_connect (url.c:3893)
==14068== by 0x48B4135: multi_runsingle (multi.c:1643)
==14068== by 0x48B6841: multi_socket (multi.c:2833)
==14068== by 0x48B7053: curl_multi_socket_action (multi.c:2956)
==14068==
==14068== 369 bytes in 3 blocks are indirectly lost in loss record 7 of 48
==14068== at 0x483B7F3: malloc (in
/usr/lib/x86_64-linux-gnu/valgrind/vgpreload_memcheck-amd64-linux.so)
==14068== by 0x48A9DB8: curl_dbg_malloc (memdebug.c:174)
==14068== by 0x48A9FDE: curl_dbg_strdup (memdebug.c:229)
==14068== by 0x48E6502: curl_url_get (urlapi.c:1174)
==14068== by 0x488D570: parseurlandfillconn (url.c:1931)
==14068== by 0x48908FF: create_conn (url.c:3390)
==14068== by 0x4891A37: Curl_connect (url.c:3893)
==14068== by 0x48B4135: multi_runsingle (multi.c:1643)
==14068== by 0x48B6841: multi_socket (multi.c:2833)
==14068== by 0x48B7053: curl_multi_socket_action (multi.c:2956)
==14068== by 0x109BA0: event_cb (crawler.c:200)
==14068== by 0x10A89C: crawler_init (crawler.c:474)
==14068==
==14068== 510 bytes in 10 blocks are indirectly lost in loss record 8 of 48
==14068== at 0x483B7F3: malloc (in
/usr/lib/x86_64-linux-gnu/valgrind/vgpreload_memcheck-amd64-linux.so)
==14068== by 0x48A9DB8: curl_dbg_malloc (memdebug.c:174)
==14068== by 0x48A9FDE: curl_dbg_strdup (memdebug.c:229)
==14068== by 0x48C5712: Curl_setstropt (setopt.c:62)
==14068== by 0x488A566: Curl_init_userdefined (url.c:523)
==14068== by 0x488A89A: Curl_open (url.c:618)
==14068== by 0x487BCF4: curl_easy_init (easy.c:301)
==14068== by 0x10A04B: new_conn (crawler.c:319)
==14068== by 0x10A785: crawler_init (crawler.c:458)
==14068== by 0x10A9B1: main (crawler.c:501)
==14068==
==14068== 510 bytes in 10 blocks are indirectly lost in loss record 9 of 48
==14068== at 0x483B7F3: malloc (in
/usr/lib/x86_64-linux-gnu/valgrind/vgpreload_memcheck-amd64-linux.so)
==14068== by 0x48A9DB8: curl_dbg_malloc (memdebug.c:174)
==14068== by 0x48A9FDE: curl_dbg_strdup (memdebug.c:229)
==14068== by 0x48C5712: Curl_setstropt (setopt.c:62)
==14068== by 0x488A590: Curl_init_userdefined (url.c:527)
==14068== by 0x488A89A: Curl_open (url.c:618)
==14068== by 0x487BCF4: curl_easy_init (easy.c:301)
==14068== by 0x10A04B: new_conn (crawler.c:319)
==14068== by 0x10A785: crawler_init (crawler.c:458)
==14068== by 0x10A9B1: main (crawler.c:501)
==14068==
==14068== 540 bytes in 18 blocks are indirectly lost in loss record 10 of 48
==14068== at 0x483B7F3: malloc (in
/usr/lib/x86_64-linux-gnu/valgrind/vgpreload_memcheck-amd64-linux.so)
==14068== by 0x48A9DB8: curl_dbg_malloc (memdebug.c:174)
==14068== by 0x48A9FDE: curl_dbg_strdup (memdebug.c:229)
==14068== by 0x48C5712: Curl_setstropt (setopt.c:62)
==14068== by 0x48C972A: Curl_vsetopt (setopt.c:1283)
==14068== by 0x48CEE54: curl_easy_setopt (setopt.c:2794)
==14068== by 0x10A0F0: new_conn (crawler.c:329)
==14068== by 0x10A76F: crawler_init (crawler.c:457)
==14068== by 0x10A9B1: main (crawler.c:501)
==14068==
==14068== 544 bytes in 2 blocks are indirectly lost in loss record 11 of 48
==14068== at 0x483B7F3: malloc (in
/usr/lib/x86_64-linux-gnu/valgrind/vgpreload_memcheck-amd64-linux.so)
==14068== by 0x48A9DB8: curl_dbg_malloc (memdebug.c:174)
==14068== by 0x488A84C: Curl_open (url.c:612)
==14068== by 0x487BCF4: curl_easy_init (easy.c:301)
==14068== by 0x10A04B: new_conn (crawler.c:319)
==14068== by 0x10A76F: crawler_init (crawler.c:457)
==14068== by 0x10A9B1: main (crawler.c:501)
==14068==
==14068== 576 bytes in 18 blocks are indirectly lost in loss record 12 of 48
==14068== at 0x483DD99: calloc (in
/usr/lib/x86_64-linux-gnu/valgrind/vgpreload_memcheck-amd64-linux.so)
==14068== by 0x48A9EE0: curl_dbg_calloc (memdebug.c:205)
==14068== by 0x486A389: Curl_resolver_init (asyn-thread.c:115)
==14068== by 0x488A794: Curl_open (url.c:597)
==14068== by 0x487BCF4: curl_easy_init (easy.c:301)
==14068== by 0x10A04B: new_conn (crawler.c:319)
==14068== by 0x10A76F: crawler_init (crawler.c:457)
==14068== by 0x10A9B1: main (crawler.c:501)
==14068==
==14068== 816 bytes in 3 blocks are indirectly lost in loss record 13 of 48
==14068== at 0x483B7F3: malloc (in
/usr/lib/x86_64-linux-gnu/valgrind/vgpreload_memcheck-amd64-linux.so)
==14068== by 0x48A9DB8: curl_dbg_malloc (memdebug.c:174)
==14068== by 0x488A84C: Curl_open (url.c:612)
==14068== by 0x487BCF4: curl_easy_init (easy.c:301)
==14068== by 0x10A04B: new_conn (crawler.c:319)
==14068== by 0x10A785: crawler_init (crawler.c:458)
==14068== by 0x10A9B1: main (crawler.c:501)
==14068==
==14068== 816 bytes in 3 blocks are indirectly lost in loss record 14 of 48
==14068== at 0x483DFAF: realloc (in
/usr/lib/x86_64-linux-gnu/valgrind/vgpreload_memcheck-amd64-linux.so)
==14068== by 0x48AA0DF: curl_dbg_realloc (memdebug.c:293)
==14068== by 0x48B0601: alloc_addbyter (mprintf.c:1049)
==14068== by 0x48AFB0F: dprintf_formatf (mprintf.c:839)
==14068== by 0x48B0752: curl_maprintf (mprintf.c:1078)
==14068== by 0x48E6476: curl_url_get (urlapi.c:1145)
==14068== by 0x488D197: parseurlandfillconn (url.c:1861)
==14068== by 0x48908FF: create_conn (url.c:3390)
==14068== by 0x4891A37: Curl_connect (url.c:3893)
==14068== by 0x48B4135: multi_runsingle (multi.c:1643)
==14068== by 0x48B6841: multi_socket (multi.c:2833)
==14068== by 0x48B7053: curl_multi_socket_action (multi.c:2956)
==14068==
==14068== 899 bytes in 29 blocks are indirectly lost in loss record 15 of 48
==14068== at 0x483B7F3: malloc (in
/usr/lib/x86_64-linux-gnu/valgrind/vgpreload_memcheck-amd64-linux.so)
==14068== by 0x48A9DB8: curl_dbg_malloc (memdebug.c:174)
==14068== by 0x48A9FDE: curl_dbg_strdup (memdebug.c:229)
==14068== by 0x48C5712: Curl_setstropt (setopt.c:62)
==14068== by 0x48C972A: Curl_vsetopt (setopt.c:1283)
==14068== by 0x48CEE54: curl_easy_setopt (setopt.c:2794)
==14068== by 0x10A0F0: new_conn (crawler.c:329)
==14068== by 0x10A759: crawler_init (crawler.c:456)
==14068== by 0x10A9B1: main (crawler.c:501)
==14068==
==14068== 918 bytes in 18 blocks are indirectly lost in loss record 16 of 48
==14068== at 0x483B7F3: malloc (in
/usr/lib/x86_64-linux-gnu/valgrind/vgpreload_memcheck-amd64-linux.so)
==14068== by 0x48A9DB8: curl_dbg_malloc (memdebug.c:174)
==14068== by 0x48A9FDE: curl_dbg_strdup (memdebug.c:229)
==14068== by 0x48C5712: Curl_setstropt (setopt.c:62)
==14068== by 0x488A566: Curl_init_userdefined (url.c:523)
==14068== by 0x488A89A: Curl_open (url.c:618)
==14068== by 0x487BCF4: curl_easy_init (easy.c:301)
==14068== by 0x10A04B: new_conn (crawler.c:319)
==14068== by 0x10A76F: crawler_init (crawler.c:457)
==14068== by 0x10A9B1: main (crawler.c:501)
==14068==
==14068== 918 bytes in 18 blocks are indirectly lost in loss record 17 of 48
==14068== at 0x483B7F3: malloc (in
/usr/lib/x86_64-linux-gnu/valgrind/vgpreload_memcheck-amd64-linux.so)
==14068== by 0x48A9DB8: curl_dbg_malloc (memdebug.c:174)
==14068== by 0x48A9FDE: curl_dbg_strdup (memdebug.c:229)
==14068== by 0x48C5712: Curl_setstropt (setopt.c:62)
==14068== by 0x488A590: Curl_init_userdefined (url.c:527)
==14068== by 0x488A89A: Curl_open (url.c:618)
==14068== by 0x487BCF4: curl_easy_init (easy.c:301)
==14068== by 0x10A04B: new_conn (crawler.c:319)
==14068== by 0x10A76F: crawler_init (crawler.c:457)
==14068== by 0x10A9B1: main (crawler.c:501)
==14068==
==14068== 928 bytes in 29 blocks are indirectly lost in loss record 18 of 48
==14068== at 0x483DD99: calloc (in
/usr/lib/x86_64-linux-gnu/valgrind/vgpreload_memcheck-amd64-linux.so)
==14068== by 0x48A9EE0: curl_dbg_calloc (memdebug.c:205)
==14068== by 0x486A389: Curl_resolver_init (asyn-thread.c:115)
==14068== by 0x488A794: Curl_open (url.c:597)
==14068== by 0x487BCF4: curl_easy_init (easy.c:301)
==14068== by 0x10A04B: new_conn (crawler.c:319)
==14068== by 0x10A759: crawler_init (crawler.c:456)
==14068== by 0x10A9B1: main (crawler.c:501)
==14068==
==14068== 972 bytes in 54 blocks are indirectly lost in loss record 19 of 48
==14068== at 0x483B7F3: malloc (in
/usr/lib/x86_64-linux-gnu/valgrind/vgpreload_memcheck-amd64-linux.so)
==14068== by 0x48A9DB8: curl_dbg_malloc (memdebug.c:174)
==14068== by 0x48A9FDE: curl_dbg_strdup (memdebug.c:229)
==14068== by 0x48E5E92: curl_url_get (urlapi.c:1076)
==14068== by 0x488D493: parseurlandfillconn (url.c:1916)
==14068== by 0x48908FF: create_conn (url.c:3390)
==14068== by 0x4891A37: Curl_connect (url.c:3893)
==14068== by 0x48B4135: multi_runsingle (multi.c:1643)
==14068== by 0x48B6841: multi_socket (multi.c:2833)
==14068== by 0x48B7053: curl_multi_socket_action (multi.c:2956)
==14068== by 0x109BA0: event_cb (crawler.c:200)
==14068== by 0x10A89C: crawler_init (crawler.c:474)
==14068==
==14068== 1,059 bytes in 57 blocks are indirectly lost in loss record 20 of
48
==14068== at 0x483B7F3: malloc (in
/usr/lib/x86_64-linux-gnu/valgrind/vgpreload_memcheck-amd64-linux.so)
==14068== by 0x48A9DB8: curl_dbg_malloc (memdebug.c:174)
==14068== by 0x48A9FDE: curl_dbg_strdup (memdebug.c:229)
==14068== by 0x48E6502: curl_url_get (urlapi.c:1174)
==14068== by 0x488D493: parseurlandfillconn (url.c:1916)
==14068== by 0x48908FF: create_conn (url.c:3390)
==14068== by 0x4891A37: Curl_connect (url.c:3893)
==14068== by 0x48B4135: multi_runsingle (multi.c:1643)
==14068== by 0x48B6841: multi_socket (multi.c:2833)
==14068== by 0x48B7053: curl_multi_socket_action (multi.c:2956)
==14068== by 0x109BA0: event_cb (crawler.c:200)
==14068== by 0x10A89C: crawler_init (crawler.c:474)
==14068==
==14068== 1,066 bytes in 26 blocks are indirectly lost in loss record 21 of
48
==14068== at 0x483B7F3: malloc (in
/usr/lib/x86_64-linux-gnu/valgrind/vgpreload_memcheck-amd64-linux.so)
==14068== by 0x48A9DB8: curl_dbg_malloc (memdebug.c:174)
==14068== by 0x48992E4: Curl_copy_header_value (http.c:266)
==14068== by 0x48A0D07: Curl_http_readwrite_headers (http.c:3909)
==14068== by 0x48E12D1: readwrite_data (transfer.c:659)
==14068== by 0x48E251B: Curl_readwrite (transfer.c:1248)
==14068== by 0x48B523F: multi_runsingle (multi.c:2095)
==14068== by 0x48B6841: multi_socket (multi.c:2833)
==14068== by 0x48B7053: curl_multi_socket_action (multi.c:2956)
==14068== by 0x109BA0: event_cb (crawler.c:200)
==14068== by 0x10A89C: crawler_init (crawler.c:474)
==14068== by 0x10A9B1: main (crawler.c:501)
==14068==
==14068== 1,083 bytes in 57 blocks are indirectly lost in loss record 22 of
48
==14068== at 0x483B7F3: malloc (in
/usr/lib/x86_64-linux-gnu/valgrind/vgpreload_memcheck-amd64-linux.so)
==14068== by 0x48A9DB8: curl_dbg_malloc (memdebug.c:174)
==14068== by 0x48A9FDE: curl_dbg_strdup (memdebug.c:229)
==14068== by 0x48E6502: curl_url_get (urlapi.c:1174)
==14068== by 0x488D4CC: parseurlandfillconn (url.c:1920)
==14068== by 0x48908FF: create_conn (url.c:3390)
==14068== by 0x4891A37: Curl_connect (url.c:3893)
==14068== by 0x48B4135: multi_runsingle (multi.c:1643)
==14068== by 0x48B6841: multi_socket (multi.c:2833)
==14068== by 0x48B7053: curl_multi_socket_action (multi.c:2956)
==14068== by 0x109BA0: event_cb (crawler.c:200)
==14068== by 0x10A89C: crawler_init (crawler.c:474)
==14068==
==14068== 1,134 bytes in 54 blocks are indirectly lost in loss record 23 of
48
==14068== at 0x483B7F3: malloc (in
/usr/lib/x86_64-linux-gnu/valgrind/vgpreload_memcheck-amd64-linux.so)
==14068== by 0x48A9DB8: curl_dbg_malloc (memdebug.c:174)
==14068== by 0x48A9FDE: curl_dbg_strdup (memdebug.c:229)
==14068== by 0x48E5788: seturl (urlapi.c:941)
==14068== by 0x48E584C: parseurl (urlapi.c:958)
==14068== by 0x48E6AE1: curl_url_set (urlapi.c:1346)
==14068== by 0x488D142: parseurlandfillconn (url.c:1849)
==14068== by 0x48908FF: create_conn (url.c:3390)
==14068== by 0x4891A37: Curl_connect (url.c:3893)
==14068== by 0x48B4135: multi_runsingle (multi.c:1643)
==14068== by 0x48B6841: multi_socket (multi.c:2833)
==14068== by 0x48B7053: curl_multi_socket_action (multi.c:2956)
==14068==
==14068== 1,197 bytes in 57 blocks are indirectly lost in loss record 24 of
48
==14068== at 0x483B7F3: malloc (in
/usr/lib/x86_64-linux-gnu/valgrind/vgpreload_memcheck-amd64-linux.so)
==14068== by 0x48A9DB8: curl_dbg_malloc (memdebug.c:174)
==14068== by 0x48A9FDE: curl_dbg_strdup (memdebug.c:229)
==14068== by 0x48E6502: curl_url_get (urlapi.c:1174)
==14068== by 0x488D224: parseurlandfillconn (url.c:1870)
==14068== by 0x48908FF: create_conn (url.c:3390)
==14068== by 0x4891A37: Curl_connect (url.c:3893)
==14068== by 0x48B4135: multi_runsingle (multi.c:1643)
==14068== by 0x48B6841: multi_socket (multi.c:2833)
==14068== by 0x48B7053: curl_multi_socket_action (multi.c:2956)
==14068== by 0x109BA0: event_cb (crawler.c:200)
==14068== by 0x10A89C: crawler_init (crawler.c:474)
==14068==
==14068== 1,479 bytes in 29 blocks are indirectly lost in loss record 25 of
48
==14068== at 0x483B7F3: malloc (in
/usr/lib/x86_64-linux-gnu/valgrind/vgpreload_memcheck-amd64-linux.so)
==14068== by 0x48A9DB8: curl_dbg_malloc (memdebug.c:174)
==14068== by 0x48A9FDE: curl_dbg_strdup (memdebug.c:229)
==14068== by 0x48C5712: Curl_setstropt (setopt.c:62)
==14068== by 0x488A566: Curl_init_userdefined (url.c:523)
==14068== by 0x488A89A: Curl_open (url.c:618)
==14068== by 0x487BCF4: curl_easy_init (easy.c:301)
==14068== by 0x10A04B: new_conn (crawler.c:319)
==14068== by 0x10A759: crawler_init (crawler.c:456)
==14068== by 0x10A9B1: main (crawler.c:501)
==14068==
==14068== 1,479 bytes in 29 blocks are indirectly lost in loss record 26 of
48
==14068== at 0x483B7F3: malloc (in
/usr/lib/x86_64-linux-gnu/valgrind/vgpreload_memcheck-amd64-linux.so)
==14068== by 0x48A9DB8: curl_dbg_malloc (memdebug.c:174)
==14068== by 0x48A9FDE: curl_dbg_strdup (memdebug.c:229)
==14068== by 0x48C5712: Curl_setstropt (setopt.c:62)
==14068== by 0x488A590: Curl_init_userdefined (url.c:527)
==14068== by 0x488A89A: Curl_open (url.c:618)
==14068== by 0x487BCF4: curl_easy_init (easy.c:301)
==14068== by 0x10A04B: new_conn (crawler.c:319)
==14068== by 0x10A759: crawler_init (crawler.c:456)
==14068== by 0x10A9B1: main (crawler.c:501)
==14068==
==14068== 1,636 bytes in 54 blocks are indirectly lost in loss record 27 of
48
==14068== at 0x483B7F3: malloc (in
/usr/lib/x86_64-linux-gnu/valgrind/vgpreload_memcheck-amd64-linux.so)
==14068== by 0x48A9DB8: curl_dbg_malloc (memdebug.c:174)
==14068== by 0x48A9FDE: curl_dbg_strdup (memdebug.c:229)
==14068== by 0x48E55F6: seturl (urlapi.c:920)
==14068== by 0x48E584C: parseurl (urlapi.c:958)
==14068== by 0x48E6AE1: curl_url_set (urlapi.c:1346)
==14068== by 0x488D142: parseurlandfillconn (url.c:1849)
==14068== by 0x48908FF: create_conn (url.c:3390)
==14068== by 0x4891A37: Curl_connect (url.c:3893)
==14068== by 0x48B4135: multi_runsingle (multi.c:1643)
==14068== by 0x48B6841: multi_socket (multi.c:2833)
==14068== by 0x48B7053: curl_multi_socket_action (multi.c:2956)
==14068==
==14068== 1,729 bytes in 57 blocks are indirectly lost in loss record 28 of
48
==14068== at 0x483B7F3: malloc (in
/usr/lib/x86_64-linux-gnu/valgrind/vgpreload_memcheck-amd64-linux.so)
==14068== by 0x48A9DB8: curl_dbg_malloc (memdebug.c:174)
==14068== by 0x48A9FDE: curl_dbg_strdup (memdebug.c:229)
==14068== by 0x489C41A: Curl_http (http.c:2071)
==14068== by 0x48B389E: multi_do (multi.c:1380)
==14068== by 0x48B4914: multi_runsingle (multi.c:1854)
==14068== by 0x48B6841: multi_socket (multi.c:2833)
==14068== by 0x48B7053: curl_multi_socket_action (multi.c:2956)
==14068== by 0x109BA0: event_cb (crawler.c:200)
==14068== by 0x10A89C: crawler_init (crawler.c:474)
==14068== by 0x10A9B1: main (crawler.c:501)
==14068==
==14068== 1,729 bytes in 57 blocks are indirectly lost in loss record 29 of
48
==14068== at 0x483B7F3: malloc (in
/usr/lib/x86_64-linux-gnu/valgrind/vgpreload_memcheck-amd64-linux.so)
==14068== by 0x48A9DB8: curl_dbg_malloc (memdebug.c:174)
==14068== by 0x48A9FDE: curl_dbg_strdup (memdebug.c:229)
==14068== by 0x48E6502: curl_url_get (urlapi.c:1174)
==14068== by 0x488D441: parseurlandfillconn (url.c:1910)
==14068== by 0x48908FF: create_conn (url.c:3390)
==14068== by 0x4891A37: Curl_connect (url.c:3893)
==14068== by 0x48B4135: multi_runsingle (multi.c:1643)
==14068== by 0x48B6841: multi_socket (multi.c:2833)
==14068== by 0x48B7053: curl_multi_socket_action (multi.c:2956)
==14068== by 0x109BA0: event_cb (crawler.c:200)
==14068== by 0x10A89C: crawler_init (crawler.c:474)
==14068==
==14068== 2,592 bytes in 54 blocks are indirectly lost in loss record 30 of
48
==14068== at 0x483B7F3: malloc (in
/usr/lib/x86_64-linux-gnu/valgrind/vgpreload_memcheck-amd64-linux.so)
==14068== by 0x48A9DB8: curl_dbg_malloc (memdebug.c:174)
==14068== by 0x48B055F: alloc_addbyter (mprintf.c:1035)
==14068== by 0x48AFB0F: dprintf_formatf (mprintf.c:839)
==14068== by 0x48B0752: curl_maprintf (mprintf.c:1078)
==14068== by 0x48E6476: curl_url_get (urlapi.c:1145)
==14068== by 0x488D197: parseurlandfillconn (url.c:1861)
==14068== by 0x48908FF: create_conn (url.c:3390)
==14068== by 0x4891A37: Curl_connect (url.c:3893)
==14068== by 0x48B4135: multi_runsingle (multi.c:1643)
==14068== by 0x48B6841: multi_socket (multi.c:2833)
==14068== by 0x48B7053: curl_multi_socket_action (multi.c:2956)
==14068==
==14068== 2,960 bytes in 10 blocks are indirectly lost in loss record 31 of
48
==14068== at 0x483DD99: calloc (in
/usr/lib/x86_64-linux-gnu/valgrind/vgpreload_memcheck-amd64-linux.so)
==14068== by 0x10A022: new_conn (crawler.c:315)
==14068== by 0x10A785: crawler_init (crawler.c:458)
==14068== by 0x10A9B1: main (crawler.c:501)
==14068==
==14068== 5,328 bytes in 18 blocks are indirectly lost in loss record 32 of
48
==14068== at 0x483DD99: calloc (in
/usr/lib/x86_64-linux-gnu/valgrind/vgpreload_memcheck-amd64-linux.so)
==14068== by 0x10A022: new_conn (crawler.c:315)
==14068== by 0x10A76F: crawler_init (crawler.c:457)
==14068== by 0x10A9B1: main (crawler.c:501)
==14068==
==14068== 6,840 bytes in 57 blocks are indirectly lost in loss record 33 of
48
==14068== at 0x483DD99: calloc (in
/usr/lib/x86_64-linux-gnu/valgrind/vgpreload_memcheck-amd64-linux.so)
==14068== by 0x48A9EE0: curl_dbg_calloc (memdebug.c:205)
==14068== by 0x48E589F: curl_url (urlapi.c:970)
==14068== by 0x488CFE6: parseurlandfillconn (url.c:1828)
==14068== by 0x48908FF: create_conn (url.c:3390)
==14068== by 0x4891A37: Curl_connect (url.c:3893)
==14068== by 0x48B4135: multi_runsingle (multi.c:1643)
==14068== by 0x48B6841: multi_socket (multi.c:2833)
==14068== by 0x48B7053: curl_multi_socket_action (multi.c:2956)
==14068== by 0x109BA0: event_cb (crawler.c:200)
==14068== by 0x10A89C: crawler_init (crawler.c:474)
==14068== by 0x10A9B1: main (crawler.c:501)
==14068==
==14068== 7,888 bytes in 29 blocks are indirectly lost in loss record 34 of
48
==14068== at 0x483B7F3: malloc (in
/usr/lib/x86_64-linux-gnu/valgrind/vgpreload_memcheck-amd64-linux.so)
==14068== by 0x48A9DB8: curl_dbg_malloc (memdebug.c:174)
==14068== by 0x488A84C: Curl_open (url.c:612)
==14068== by 0x487BCF4: curl_easy_init (easy.c:301)
==14068== by 0x10A04B: new_conn (crawler.c:319)
==14068== by 0x10A759: crawler_init (crawler.c:456)
==14068== by 0x10A9B1: main (crawler.c:501)
==14068==
==14068== 8,288 bytes in 28 blocks are indirectly lost in loss record 35 of
48
==14068== at 0x483DD99: calloc (in
/usr/lib/x86_64-linux-gnu/valgrind/vgpreload_memcheck-amd64-linux.so)
==14068== by 0x10A022: new_conn (crawler.c:315)
==14068== by 0x10A759: crawler_init (crawler.c:456)
==14068== by 0x10A9B1: main (crawler.c:501)
==14068==
==14068== 16,198 bytes in 23 blocks are indirectly lost in loss record 36
of 48
==14068== at 0x483DFAF: realloc (in
/usr/lib/x86_64-linux-gnu/valgrind/vgpreload_memcheck-amd64-linux.so)
==14068== by 0x48AA0DF: curl_dbg_realloc (memdebug.c:293)
==14068== by 0x489F640: header_append (http.c:3220)
==14068== by 0x489FA3B: Curl_http_readwrite_headers (http.c:3334)
==14068== by 0x48E12D1: readwrite_data (transfer.c:659)
==14068== by 0x48E251B: Curl_readwrite (transfer.c:1248)
==14068== by 0x48B523F: multi_runsingle (multi.c:2095)
==14068== by 0x48B6841: multi_socket (multi.c:2833)
==14068== by 0x48B7053: curl_multi_socket_action (multi.c:2956)
==14068== by 0x109BA0: event_cb (crawler.c:200)
==14068== by 0x10A89C: crawler_init (crawler.c:474)
==14068== by 0x10A9B1: main (crawler.c:501)
==14068==
==14068== 18,737 bytes in 3 blocks are indirectly lost in loss record 37 of
48
==14068== at 0x483B723: malloc (in
/usr/lib/x86_64-linux-gnu/valgrind/vgpreload_memcheck-amd64-linux.so)
==14068== by 0x483E017: realloc (in
/usr/lib/x86_64-linux-gnu/valgrind/vgpreload_memcheck-amd64-linux.so)
==14068== by 0x109F1B: write_cb (crawler.c:289)
==14068== by 0x48C507B: chop_write (sendf.c:606)
==14068== by 0x48C52CE: Curl_client_write (sendf.c:690)
==14068== by 0x48E1AD3: readwrite_data (transfer.c:888)
==14068== by 0x48E251B: Curl_readwrite (transfer.c:1248)
==14068== by 0x48B523F: multi_runsingle (multi.c:2095)
==14068== by 0x48B6841: multi_socket (multi.c:2833)
==14068== by 0x48B7053: curl_multi_socket_action (multi.c:2956)
==14068== by 0x109BA0: event_cb (crawler.c:200)
==14068== by 0x10A89C: crawler_init (crawler.c:474)
==14068==
==14068== 41,952 bytes in 57 blocks are indirectly lost in loss record 38
of 48
==14068== at 0x483DD99: calloc (in
/usr/lib/x86_64-linux-gnu/valgrind/vgpreload_memcheck-amd64-linux.so)
==14068== by 0x48A9EE0: curl_dbg_calloc (memdebug.c:205)
==14068== by 0x48F81D0: Curl_ssl_initsessions (vtls.c:608)
==14068== by 0x48E2BAF: Curl_pretransfer (transfer.c:1455)
==14068== by 0x48B4048: multi_runsingle (multi.c:1619)
==14068== by 0x48B6841: multi_socket (multi.c:2833)
==14068== by 0x48B7053: curl_multi_socket_action (multi.c:2956)
==14068== by 0x109BA0: event_cb (crawler.c:200)
==14068== by 0x10A89C: crawler_init (crawler.c:474)
==14068== by 0x10A9B1: main (crawler.c:501)
==14068==
==14068== 60,800 bytes in 10 blocks are indirectly lost in loss record 39
of 48
==14068== at 0x483DD99: calloc (in
/usr/lib/x86_64-linux-gnu/valgrind/vgpreload_memcheck-amd64-linux.so)
==14068== by 0x48A9EE0: curl_dbg_calloc (memdebug.c:205)
==14068== by 0x488A739: Curl_open (url.c:588)
==14068== by 0x487BCF4: curl_easy_init (easy.c:301)
==14068== by 0x10A04B: new_conn (crawler.c:319)
==14068== by 0x10A785: crawler_init (crawler.c:458)
==14068== by 0x10A9B1: main (crawler.c:501)
==14068==
==14068== 109,440 bytes in 18 blocks are indirectly lost in loss record 40
of 48
==14068== at 0x483DD99: calloc (in
/usr/lib/x86_64-linux-gnu/valgrind/vgpreload_memcheck-amd64-linux.so)
==14068== by 0x48A9EE0: curl_dbg_calloc (memdebug.c:205)
==14068== by 0x488A739: Curl_open (url.c:588)
==14068== by 0x487BCF4: curl_easy_init (easy.c:301)
==14068== by 0x10A04B: new_conn (crawler.c:319)
==14068== by 0x10A76F: crawler_init (crawler.c:457)
==14068== by 0x10A9B1: main (crawler.c:501)
==14068==
==14068== 134,024 bytes in 2 blocks are possibly lost in loss record 41 of
48
==14068== at 0x483DFAF: realloc (in
/usr/lib/x86_64-linux-gnu/valgrind/vgpreload_memcheck-amd64-linux.so)
==14068== by 0x109F1B: write_cb (crawler.c:289)
==14068== by 0x48C507B: chop_write (sendf.c:606)
==14068== by 0x48C52CE: Curl_client_write (sendf.c:690)
==14068== by 0x48E1AD3: readwrite_data (transfer.c:888)
==14068== by 0x48E251B: Curl_readwrite (transfer.c:1248)
==14068== by 0x48B523F: multi_runsingle (multi.c:2095)
==14068== by 0x48B6841: multi_socket (multi.c:2833)
==14068== by 0x48B7053: curl_multi_socket_action (multi.c:2956)
==14068== by 0x109BA0: event_cb (crawler.c:200)
==14068== by 0x10A89C: crawler_init (crawler.c:474)
==14068== by 0x10A9B1: main (crawler.c:501)
==14068==
==14068== 164,010 bytes in 10 blocks are indirectly lost in loss record 42
of 48
==14068== at 0x483B7F3: malloc (in
/usr/lib/x86_64-linux-gnu/valgrind/vgpreload_memcheck-amd64-linux.so)
==14068== by 0x48A9DB8: curl_dbg_malloc (memdebug.c:174)
==14068== by 0x488A7F1: Curl_open (url.c:606)
==14068== by 0x487BCF4: curl_easy_init (easy.c:301)
==14068== by 0x10A04B: new_conn (crawler.c:319)
==14068== by 0x10A785: crawler_init (crawler.c:458)
==14068== by 0x10A9B1: main (crawler.c:501)
==14068==
==14068== 176,320 bytes in 29 blocks are indirectly lost in loss record 43
of 48
==14068== at 0x483DD99: calloc (in
/usr/lib/x86_64-linux-gnu/valgrind/vgpreload_memcheck-amd64-linux.so)
==14068== by 0x48A9EE0: curl_dbg_calloc (memdebug.c:205)
==14068== by 0x488A739: Curl_open (url.c:588)
==14068== by 0x487BCF4: curl_easy_init (easy.c:301)
==14068== by 0x10A04B: new_conn (crawler.c:319)
==14068== by 0x10A759: crawler_init (crawler.c:456)
==14068== by 0x10A9B1: main (crawler.c:501)
==14068==
==14068== 293,125 bytes in 7 blocks are indirectly lost in loss record 44
of 48
==14068== at 0x483DFAF: realloc (in
/usr/lib/x86_64-linux-gnu/valgrind/vgpreload_memcheck-amd64-linux.so)
==14068== by 0x109F1B: write_cb (crawler.c:289)
==14068== by 0x48C507B: chop_write (sendf.c:606)
==14068== by 0x48C52CE: Curl_client_write (sendf.c:690)
==14068== by 0x48A1DD5: Curl_httpchunk_read (http_chunks.c:201)
==14068== by 0x48E1723: readwrite_data (transfer.c:794)
==14068== by 0x48E251B: Curl_readwrite (transfer.c:1248)
==14068== by 0x48B523F: multi_runsingle (multi.c:2095)
==14068== by 0x48B6841: multi_socket (multi.c:2833)
==14068== by 0x48B7053: curl_multi_socket_action (multi.c:2956)
==14068== by 0x109BA0: event_cb (crawler.c:200)
==14068== by 0x10A89C: crawler_init (crawler.c:474)
==14068==
==14068== 295,218 bytes in 18 blocks are indirectly lost in loss record 45
of 48
==14068== at 0x483B7F3: malloc (in
/usr/lib/x86_64-linux-gnu/valgrind/vgpreload_memcheck-amd64-linux.so)
==14068== by 0x48A9DB8: curl_dbg_malloc (memdebug.c:174)
==14068== by 0x488A7F1: Curl_open (url.c:606)
==14068== by 0x487BCF4: curl_easy_init (easy.c:301)
==14068== by 0x10A04B: new_conn (crawler.c:319)
==14068== by 0x10A76F: crawler_init (crawler.c:457)
==14068== by 0x10A9B1: main (crawler.c:501)
==14068==
==14068== 475,629 bytes in 29 blocks are indirectly lost in loss record 46
of 48
==14068== at 0x483B7F3: malloc (in
/usr/lib/x86_64-linux-gnu/valgrind/vgpreload_memcheck-amd64-linux.so)
==14068== by 0x48A9DB8: curl_dbg_malloc (memdebug.c:174)
==14068== by 0x488A7F1: Curl_open (url.c:606)
==14068== by 0x487BCF4: curl_easy_init (easy.c:301)
==14068== by 0x10A04B: new_conn (crawler.c:319)
==14068== by 0x10A759: crawler_init (crawler.c:456)
==14068== by 0x10A9B1: main (crawler.c:501)
==14068==
==14068== 533,401 bytes in 11 blocks are indirectly lost in loss record 47
of 48
==14068== at 0x483DFAF: realloc (in
/usr/lib/x86_64-linux-gnu/valgrind/vgpreload_memcheck-amd64-linux.so)
==14068== by 0x109F1B: write_cb (crawler.c:289)
==14068== by 0x48C507B: chop_write (sendf.c:606)
==14068== by 0x48C52CE: Curl_client_write (sendf.c:690)
==14068== by 0x48E1AD3: readwrite_data (transfer.c:888)
==14068== by 0x48E251B: Curl_readwrite (transfer.c:1248)
==14068== by 0x48B523F: multi_runsingle (multi.c:2095)
==14068== by 0x48B6841: multi_socket (multi.c:2833)
==14068== by 0x48B7053: curl_multi_socket_action (multi.c:2956)
==14068== by 0x109BA0: event_cb (crawler.c:200)
==14068== by 0x10A89C: crawler_init (crawler.c:474)
==14068== by 0x10A9B1: main (crawler.c:501)
==14068==
==14068== 2,243,151 (296 direct, 2,242,855 indirect) bytes in 1 blocks are
definitely lost in loss record 48 of 48
==14068== at 0x483DD99: calloc (in
/usr/lib/x86_64-linux-gnu/valgrind/vgpreload_memcheck-amd64-linux.so)
==14068== by 0x10A022: new_conn (crawler.c:315)
==14068== by 0x10A759: crawler_init (crawler.c:456)
==14068== by 0x10A9B1: main (crawler.c:501)
==14068==
==14068== LEAK SUMMARY:
==14068== definitely lost: 296 bytes in 1 blocks
==14068== indirectly lost: 2,242,855 bytes in 1,135 blocks
==14068== possibly lost: 134,024 bytes in 2 blocks
==14068== still reachable: 0 bytes in 0 blocks
==14068== suppressed: 0 bytes in 0 blocks
==14068==
==14068== ERROR SUMMARY: 2043 errors from 5 contexts (suppressed: 0 from 0)
==14068==
==14068== 1 errors in context 1 of 5:
==14068== Syscall param epoll_ctl(event) points to uninitialised byte(s)
==14068== at 0x4A66ACE: epoll_ctl (syscall-template.S:78)
==14068== by 0x10A684: crawler_init (crawler.c:436)
==14068== by 0x10A9B1: main (crawler.c:501)
==14068== Address 0x1ffefe10ac is on thread 1's stack
==14068== in frame #1, created by crawler_init (crawler.c:405)
==14068== Uninitialised value was created by a stack allocation
==14068== at 0x10A4FF: crawler_init (crawler.c:405)
==14068==
==14068==
==14068== 102 errors in context 2 of 5:
==14068== Syscall param epoll_ctl(event) points to uninitialised byte(s)
==14068== at 0x4A66ACE: epoll_ctl (syscall-template.S:78)
==14068== by 0x109E02: setsock (crawler.c:266)
==14068== by 0x10A499: sock_cb (crawler.c:381)
==14068== by 0x48B60B1: singlesocket (multi.c:2593)
==14068== by 0x48B6878: multi_socket (multi.c:2839)
==14068== by 0x48B7053: curl_multi_socket_action (multi.c:2956)
==14068== by 0x109BA0: event_cb (crawler.c:200)
==14068== by 0x10A89C: crawler_init (crawler.c:474)
==14068== by 0x10A9B1: main (crawler.c:501)
==14068== Address 0x1ffefe0db4 is on thread 1's stack
==14068== in frame #1, created by setsock (crawler.c:246)
==14068== Uninitialised value was created by a stack allocation
==14068== at 0x109D08: setsock (crawler.c:246)
==14068==
==14068==
==14068== 1938 errors in context 3 of 5:
==14068== Syscall param epoll_ctl(event) points to uninitialised byte(s)
==14068== at 0x4A66ACE: epoll_ctl (syscall-template.S:78)
==14068== by 0x109E02: setsock (crawler.c:266)
==14068== by 0x109EA2: addsock (crawler.c:279)
==14068== by 0x10A47A: sock_cb (crawler.c:379)
==14068== by 0x48B60B1: singlesocket (multi.c:2593)
==14068== by 0x48B6878: multi_socket (multi.c:2839)
==14068== by 0x48B7053: curl_multi_socket_action (multi.c:2956)
==14068== by 0x109CCE: timer_cb (crawler.c:238)
==14068== by 0x10A843: crawler_init (crawler.c:472)
==14068== by 0x10A9B1: main (crawler.c:501)
==14068== Address 0x1ffefe0d94 is on thread 1's stack
==14068== in frame #1, created by setsock (crawler.c:246)
==14068== Uninitialised value was created by a stack allocation
==14068== at 0x109D08: setsock (crawler.c:246)
==14068==
==14068== ERROR SUMMARY: 2043 errors from 5 contexts (suppressed: 0 from 0)

Sorry for such a long email. This was the shortest I could make the code to
reproduce.

James Read

>
> --
>
> / daniel.haxx.se | Commercial curl support up to 24x7 is available!
> | Private help, bug fixes, support, ports, new features
> | https://www.wolfssl.com/contact/
>

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Received on 2020-05-26