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authorBenoît Ganne <bganne@cisco.com>2019-04-15 15:28:21 +0200
committerDamjan Marion <dmarion@me.com>2019-11-27 10:50:28 +0000
commit9fb6d40eb3d4a2da8f45187de773498b784596e6 (patch)
treee785ebfbe73b847146debb2dae4a4304c51aa9cf /src/vppinfra/vec.c
parent99fbf0574f099f09b7b46dcabe5bb50d78091dce (diff)
misc: add address sanitizer heap instrumentation
Introduce AddressSanitizer support: https://github.com/google/sanitizers/ This starts with heap instrumentation. vlib_buffer, bihash and stack instrumentation should follow. Type: feature Change-Id: I7f20e235b2f79db72efd0e756f22c75f717a9884 Signed-off-by: Benoît Ganne <bganne@cisco.com>
Diffstat (limited to 'src/vppinfra/vec.c')
-rw-r--r--src/vppinfra/vec.c14
1 files changed, 11 insertions, 3 deletions
diff --git a/src/vppinfra/vec.c b/src/vppinfra/vec.c
index 32788286a63..16372e9ef22 100644
--- a/src/vppinfra/vec.c
+++ b/src/vppinfra/vec.c
@@ -58,8 +58,10 @@ vec_resize_allocate_memory (void *v,
{
new = clib_mem_alloc_aligned_at_offset (data_bytes, data_align, header_bytes, 1 /* yes, call os_out_of_memory */
);
- data_bytes = clib_mem_size (new);
- clib_memset (new, 0, data_bytes);
+ new_alloc_bytes = clib_mem_size (new);
+ CLIB_MEM_UNPOISON (new + data_bytes, new_alloc_bytes - data_bytes);
+ clib_memset (new, 0, new_alloc_bytes);
+ CLIB_MEM_POISON (new + data_bytes, new_alloc_bytes - data_bytes);
v = new + header_bytes;
_vec_len (v) = length_increment;
return v;
@@ -75,7 +77,10 @@ vec_resize_allocate_memory (void *v,
/* Need to resize? */
if (data_bytes <= old_alloc_bytes)
- return v;
+ {
+ CLIB_MEM_UNPOISON (v, data_bytes);
+ return v;
+ }
new_alloc_bytes = (old_alloc_bytes * 3) / 2;
if (new_alloc_bytes < data_bytes)
@@ -92,6 +97,7 @@ vec_resize_allocate_memory (void *v,
("vec_resize fails, length increment %d, data bytes %d, alignment %d",
length_increment, data_bytes, data_align);
+ CLIB_MEM_UNPOISON (old, old_alloc_bytes);
clib_memcpy_fast (new, old, old_alloc_bytes);
clib_mem_free (old);
@@ -100,7 +106,9 @@ vec_resize_allocate_memory (void *v,
v = new;
/* Zero new memory. */
+ CLIB_MEM_UNPOISON (new + data_bytes, new_alloc_bytes - data_bytes);
memset (v + old_alloc_bytes, 0, new_alloc_bytes - old_alloc_bytes);
+ CLIB_MEM_POISON (new + data_bytes, new_alloc_bytes - data_bytes);
return v + header_bytes;
}
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/*
*
* Copyright (c) 2018 Huawei Technologies Co.,Ltd.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
*     http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/

#include <stdlib.h>
#include <string.h>
#include <time.h>
#include "stackx_msg_handler.h"
#include "stackx_prot_com.h"
#include "common_pal_bitwide_adjust.h"
#include "stackx_err.h"
#include "nstack_securec.h"
#include "nsfw_rti.h"
//#include "stackx_custom.h"

#define FAST_SLEEP_TIME 10000
#define FAST_RETRY_COUNT 100
#define MAX_WAIT_TIMEOUT 0x7FFFFFFF

/*****************************************************************************
*   Prototype    : sbr_getsockopt_sol_socket
*   Description  : get sol socket
*   Input        : sbr_socket_t * sk
*                  int optname
*                  void * optval
*                  socklen_t optlen
*   Output       : None
*   Return Value : int
*   Calls        :
*   Called By    :
*
*****************************************************************************/
int
sbr_getsockopt_sol_socket(sbr_socket_t * sk, int optname, void *optval,
                          socklen_t optlen)
{
    int err = 0;

    switch (optname)
    {
        case SO_ERROR:
            {
                if (optlen < sizeof(int))
                {
                    return EINVAL;
                }

                /* only overwrite ERR_OK or tempoary errors */
                err = sbr_get_sk_errno(sk);

                if ((0 == err) || (EINPROGRESS == err))
                {
                    err =
                        sbr_spl_err_to_errno(ss_get_last_errno
                                             (sbr_get_conn(sk)));
                    sbr_set_sk_errno(sk, err);
                }
                else
                {
                    sbr_set_sk_errno(sk, 0);
                }

                *(int *) optval = sbr_get_sk_errno(sk);

                return 0;
            }
        case SO_BROADCAST:
        case SO_KEEPALIVE:
        case SO_RCVBUF:
        case SO_SNDBUF:
        case SO_REUSEADDR:
            if (optlen < sizeof(int))
            {
                err = EINVAL;
            }

            break;
        case SO_RCVTIMEO:
        case SO_SNDTIMEO:
            if (optlen < sizeof(struct timeval))
            {
                err = EINVAL;
            }

            break;
        case SO_LINGER:
            if (optlen < sizeof(struct linger))
            {
                err = EINVAL;
            }

            break;
        default:
            err = ENOPROTOOPT;
            break;
    }

    return err;
}

/*****************************************************************************
*   Prototype    : sbr_getsockopt_ipproto_ip
*   Description  : get ipproto ip
*   Input        : int optname
*                  void * optval
*                  socklen_t optlen
*   Output       : None
*   Return Value : int
*   Calls        :
*   Called By    :
*
*****************************************************************************/
int sbr_getsockopt_ipproto_ip(int optname, void *optval, socklen_t optlen)
{
    int err = 0;

    switch (optname)
    {
        case IP_TOS:
            if (optlen < sizeof(u8))
            {
                err = EINVAL;
            }

            break;
        default:
            err = ENOPROTOOPT;
            break;
    }

    return err;
}

/*****************************************************************************
*   Prototype    : sbr_pick_timeout
*   Description  : pick time
*   Input        : const void * optval
*                  socklen_t optlen
*                  i32* timeout
*   Output       : None
*   Return Value : static inline int
*   Calls        :
*   Called By    :
*
*****************************************************************************/
static inline int
sbr_pick_timeout(const void *optval, socklen_t optlen, i32 * timeout)
{
    if (optlen < sizeof(struct timeval))
    {
        return EINVAL;
    }

    struct timeval *time_val = (struct timeval *) optval;
    if ((time_val->tv_usec < 0) || (time_val->tv_usec > USEC_TO_SEC))
    {
        return EDOM;
    }
    else
    {
        if (time_val->tv_sec < 0)
        {
            *timeout = 0;
        }
        else
        {
            *timeout = MAX_WAIT_TIMEOUT;
            if ((time_val->tv_sec != 0) || (time_val->tv_usec != 0))
            {
                if (time_val->tv_sec < ((MAX_WAIT_TIMEOUT / 1000) - 1))
                {
                    *timeout =
                        time_val->tv_sec * 1000 + time_val->tv_usec / 1000;
                }
            }
        }
    }

    return 0;
}

/*****************************************************************************
*   Prototype    : sbr_setsockopt_sol_socket
*   Description  : set sol socket
*   Input        : sbr_socket_t * sk
*                  int optname
*                  const void * optval
*                  socklen_t optlen
*                  netconn_type_t type
*   Output       : None
*   Return Value : int
*   Calls        :
*   Called By    :
*
*****************************************************************************/
int
sbr_setsockopt_sol_socket(sbr_socket_t * sk, int optname, const void *optval,
                          socklen_t optlen, spl_netconn_type_t type)
{
    int err = 0;

    switch (optname)
    {
        case SO_REUSEADDR:
        case SO_BROADCAST:
        case SO_KEEPALIVE:
        case SO_RCVBUF:
        case SO_SNDBUF:
            if (optlen < sizeof(int))
            {
                err = EINVAL;
            }

            break;
        case SO_RCVTIMEO:
            err =
                sbr_pick_timeout(optval, optlen,
                                 &sbr_get_fd_share(sk)->recv_timeout);
            break;
        case SO_SNDTIMEO:
            err =
                sbr_pick_timeout(optval, optlen,
                                 &sbr_get_fd_share(sk)->send_timeout);
            break;
        case SO_LINGER:
            if (optlen < sizeof(struct linger))
            {
                err = EINVAL;
            }

            break;
        default:
            err = ENOPROTOOPT;
            break;
    }

    return err;
}

/*****************************************************************************
*   Prototype    : sbr_setsockopt_ipproto_ip
*   Description  : set ipproto ip
*   Input        : int optname
*                  const void * optval
*                  socklen_t optlen
*                  netconn_type_t type
*   Output       : None
*   Return Value : int
*   Calls        :
*   Called By    :
*
*****************************************************************************/
int
sbr_setsockopt_ipproto_ip(int optname, const void *optval, socklen_t optlen,
                          spl_netconn_type_t type)
{
    int err = 0;

    switch (optname)
    {
        case IP_TOS:
            if (optlen < sizeof(u8))
            {
                err = EINVAL;
            }

            break;
        case IP_MULTICAST_TTL:
            if (optlen < sizeof(u8))
            {
                err = EINVAL;
                break;
            }

            if (type != SPL_NETCONN_UDP)
            {
                err = EAFNOSUPPORT;
                break;
            }

            break;
        case IP_MULTICAST_IF:
            if (optlen < sizeof(struct in_addr))
            {
                err = EINVAL;
                break;
            }

            if (type != SPL_NETCONN_UDP)
            {
                err = EAFNOSUPPORT;
                break;
            }

            break;
        case IP_MULTICAST_LOOP:
            if (optlen < sizeof(u8))
            {
                err = EINVAL;
                break;
            }

            if (type != SPL_NETCONN_UDP)
            {
                err = EAFNOSUPPORT;
                break;
            }

            break;
        default:
            err = ENOPROTOOPT;
            break;
    }

    return err;
}

/*****************************************************************************
*   Prototype    : sbr_dequeue_buf
*   Description  : dequeue buf
*   Input        : sbr_socket_t * sk
*                  void **buf
*                  i32 timeout
*                  u8 use_l4_ring
*   Output       : None
*   Return Value : int
*   Calls        :
*   Called By    :
*
*****************************************************************************/
int sbr_dequeue_buf(sbr_socket_t * sk, void **buf, i32 timeout)
{
    mring_handle ring = ss_get_recv_ring(sbr_get_conn(sk));

    struct timespec start, end;
    long timediff;
    long timediff_sec;
    long timeout_sec = (long) (timeout / 1000);
    unsigned int retry_count = 0;

    if (timeout > 0)
    {
        if (unlikely(0 != clock_gettime(CLOCK_MONOTONIC, &start)))
        {
            NSSBR_LOGERR("Failed to get time, errno = %d", errno);
        }
    }

    if (!ss_recv_ring_valid(sbr_get_conn(sk)))
    {
        NSSBR_LOGDBG("ring is invalid]fd=%d", sk->fd);
        sbr_set_sk_io_errno(sk, ENOTCONN);
        return -1;
    }

    int dequeue_ret = 0;
    pid_t pid = get_sys_pid();

    while (1)
    {
        if (ss_is_shut_rd(sbr_get_conn(sk)))
        {
            NSSBR_LOGDBG("is shut rd]fd=%d", sk->fd);
            sbr_set_sk_io_errno(sk, EINVAL);
            return -1;
        }

        dequeue_ret = nsfw_mem_ring_dequeue(ring, buf);
        if (1 == dequeue_ret)
        {
            pbuf_set_recycle_flg((struct spl_pbuf *) *buf, pid);        /*release buf hold by app on abnormal exit */
            return 0;
        }
        else if (0 == dequeue_ret)
        {
            /*If the peer reset connect, try to receive data only once */
            if (ss_can_not_recv(sbr_get_conn(sk)))
            {
                NS_LOG_CTRL(LOG_CTRL_RECV_QUEUE_FULL, LOGSBR, "NSSBR",
                            NSLOG_WAR, "try to fetch one more time]fd=%d",
                            sk->fd);
                /**
                 * l4_ring will not be processed here as can_not_recv flag is
                 * set by TCP only.
                 */
                if (1 == nsfw_mem_ring_dequeue(ring, buf))
                {
                    pbuf_set_recycle_flg((struct spl_pbuf *) *buf, pid);
                    return 0;
                }

                sbr_set_sk_io_errno(sk, ENOTCONN);
                return -1;
            }

            int err = ss_get_last_errno(sbr_get_conn(sk));
            if (SPL_ERR_IS_FATAL(err) || err == ERR_TIMEOUT)    /* have to handle ERR_TIMEOUT here, when TCP keepalive timeout. */
            {
                NS_LOG_CTRL(LOG_CTRL_RECV_QUEUE_FULL, LOGSBR, "NSSBR",
                            NSLOG_ERR, "connection fatal error!err=%d", err);

                /* l4_ring need to be handled in the future */
                if (1 == nsfw_mem_ring_dequeue(ring, buf))
                {
                    pbuf_set_recycle_flg((struct spl_pbuf *) *buf, pid);
                    return 0;
                }

                sbr_set_sk_io_errno(sk, sbr_spl_err_to_errno(err));
                return -1;
            }

            if (0 > timeout)
            {
                sbr_set_sk_io_errno(sk, EWOULDBLOCK);
                return -1;
            }

            if (retry_count < FAST_RETRY_COUNT)
            {
                sys_sleep_ns(0, FAST_SLEEP_TIME);
                retry_count++;
            }
            else
            {
                sys_sleep_ns(0, sbr_get_fd_share(sk)->block_polling_time);
            }

            if (timeout > 0)
            {
                if (unlikely(0 != clock_gettime(CLOCK_MONOTONIC, &end)))
                {
                    NSSBR_LOGERR("Failed to get time, errno = %d", errno);
                }
                timediff_sec = end.tv_sec - start.tv_sec;
                if (timediff_sec >= timeout_sec)
                {
                    timediff = end.tv_nsec > start.tv_nsec ?
                        (timediff_sec * 1000) + (end.tv_nsec -
                                                 start.tv_nsec) /
                        USEC_TO_SEC : (timediff_sec * 1000) -
                        ((start.tv_nsec - end.tv_nsec) / USEC_TO_SEC);
                    if (timediff > timeout)
                    {
                        NSSBR_LOGDBG("recv timeout]fd=%d", sk->fd);
                        sbr_set_sk_io_errno(sk, EWOULDBLOCK);
                        return -1;
                    }
                }
            }
        }
        else
        {
            NSSBR_LOGERR("dequeue failed]fd=%d", sk->fd);
            sbr_set_sk_io_errno(sk, EINVAL);
            return -1;
        }
    }
}

int sbr_com_peak(sbr_socket_t * sk)
{
    NSSBR_LOGERR("not implement]fd=%d", sk->fd);
    return -1;
}

/*****************************************************************************
*   Prototype    : sbr_com_try_lock_recv
*   Description  : try lock recv
*   Input        : sbr_socket_t * sk
*   Output       : None
*   Return Value : int
*   Calls        :
*   Called By    :
*
*****************************************************************************/
int sbr_com_try_lock_recv(sbr_socket_t * sk)
{
#ifdef SBR_USE_LOCK
    return common_spinlock_try_lock_with_pid(&sbr_get_fd_share(sk)->recv_lock,
                                             get_sys_pid());
#else
    return 1;
#endif
}

/*****************************************************************************
*   Prototype    : sbr_com_lock_common
*   Description  : lock common
*   Input        : sbr_socket_t * sk
*   Output       : None
*   Return Value : void
*   Calls        :
*   Called By    :
*
*****************************************************************************/
void sbr_com_lock_common(sbr_socket_t * sk)
{
#ifdef SBR_USE_LOCK
    while (!common_spinlock_try_lock_with_pid
           (&sbr_get_fd_share(sk)->common_lock, get_sys_pid()))
    {
        sys_sleep_ns(0, 0);
    }
#endif

}

void sbr_com_fork_parent(sbr_socket_t * sk, pid_t p)
{
    i32 ref = ss_inc_fork_ref(sbr_get_conn(sk));
    NSSBR_LOGINF
        ("inc fork ref] fd=%d, p=%d, ref=%d, conn=%p, private_data=%p",
         sk->fd, p, ref, sbr_get_conn(sk), sbr_get_conn(sk)->private_data);
}

void sbr_com_fork_child(sbr_socket_t * sk, pid_t p, pid_t c)
{
    if (ss_add_pid(sbr_get_conn(sk), c) != 0)
    {
        NSSBR_LOGERR
            ("add pid failed] fd=%d, p=%d, c=%d, ref=%d, conn=%p, private_data=%p",
             sk->fd, p, c, ss_get_fork_ref(sbr_get_conn(sk)),
             sbr_get_conn(sk), sbr_get_conn(sk)->private_data);
    }
    else
    {
        NSSBR_LOGINF
            ("add pid ok] fd=%d, p=%d, c=%d, ref=%d, conn=%p, private_data=%p",
             sk->fd, p, c, ss_get_fork_ref(sbr_get_conn(sk)),
             sbr_get_conn(sk), sbr_get_conn(sk)->private_data);
    }
}

/*****************************************************************************
*   Prototype    : sbr_com_unlock_common
*   Description  : unlock common
*   Input        : sbr_socket_t * sk
*   Output       : None
*   Return Value : void
*   Calls        :
*   Called By    :
*
*****************************************************************************/
void sbr_com_unlock_common(sbr_socket_t * sk)
{
#ifdef SBR_USE_LOCK
    common_spinlock_unlock(&sbr_get_fd_share(sk)->common_lock);
#endif
}

/*****************************************************************************
*   Prototype    : sbr_com_free_recv_buf
*   Description  : free recv buf,can't free buf in app
*   Input        : sbr_socket_t * sk
*                  struct spl_pbuf *p
*   Output       : None
*   Return Value : void
*   Calls        :
*   Called By    :
*
*****************************************************************************/
void sbr_com_free_recv_buf(sbr_socket_t * sk, struct spl_pbuf *p)
{
    struct spl_pbuf *p_orig = p;
    if (p)
    {
        p->freeNext = NULL;
        p = (struct spl_pbuf *) ADDR_LTOSH(p);

        if (sbr_get_fd_share(sk)->recoder.totalLen > 0)
        {
            ((struct spl_pbuf *)
             ADDR_SHTOL(sbr_get_fd_share(sk)->recoder.tail))->freeNext = p;
            sbr_get_fd_share(sk)->recoder.tail = p;
        }
        else
        {
            sbr_get_fd_share(sk)->recoder.head = p;
            sbr_get_fd_share(sk)->recoder.tail = p;
        }

        sbr_get_fd_share(sk)->recoder.totalLen++;
    }

    /* send MSG only if it's a big packet or number of packets larger than 32 */
    if ((p_orig && p_orig->tot_len > MAX_RECV_FREE_LEN) ||
        (sbr_get_fd_share(sk)->recoder.totalLen >= MAX_RECV_FREE_BUF))
    {
        sbr_handle_free_recv_buf(sk);
    }

}

/*****************************************************************************
*   Prototype    : sbr_get_sockaddr_and_len
*   Description  : get addr and len
*   Input        : u16 port
*                  spl_ip_addr_t * ipaddr
*                  struct sockaddr * addr
*                  socklen_t * addrlen
*   Output       : None
*   Return Value : int
*   Calls        :
*   Called By    :
*
*****************************************************************************/
int
sbr_get_sockaddr_and_len(u16 port, spl_ip_addr_t * ipaddr,
                         struct sockaddr *addr, socklen_t * addrlen)
{
    int ret;
    struct sockaddr_in sin;

    ret = memset_s(&sin, sizeof(sin), 0, sizeof(sin));
    if (0 != ret)
    {
        NSSBR_LOGERR("MEMSET_S failed]ret=%d.", ret);
        return -1;
    }

    sin.sin_family = AF_INET;
    sin.sin_port = htons(port);
    inet_addr_from_ipaddr(&sin.sin_addr, ipaddr);
    if (*addrlen > sizeof(struct sockaddr))
    {
        *addrlen = sizeof(struct sockaddr);
    }

    if (*addrlen > 0)
    {
        ret = memcpy_s(addr, sizeof(struct sockaddr), &sin, *addrlen);
        if (0 != ret)
        {
            NSSBR_LOGERR("MEMCPY_S failed]ret=%d", ret);

            return -1;
        }
    }

    return 0;
}

/*****************************************************************************
*   Prototype    : sbr_com_set_app_info
*   Description  : set app info to netconn
*   Input        : sbr_socket_t * sk
*                  void* appinfo
*   Output       : None
*   Return Value : void
*   Calls        :
*   Called By    :
*
*****************************************************************************/
void sbr_com_set_app_info(sbr_socket_t * sk, void *appinfo)
{
    return;
}