Showing error 1900

User: Jiri Slaby
Error type: Invalid Pointer Dereference
Error type description: A pointer which is invalid is being dereferenced
File location: net/sctp/socket.c
Line in file: 1613
Project: Linux Kernel
Project version: 2.6.28
Tools: Smatch (1.59)
Entered: 2013-09-11 08:47:26 UTC

Source: 

1583                        SCTP_DEBUG_PRINTK("Aborting association: %p\n", asoc);
1584                        sctp_primitive_ABORT(asoc, chunk);
1585                        err = 0;
1586                        goto out_unlock;
1587                }
1588        }
1589
1590        /* Do we need to create the association?  */
1591        if (!asoc) {
1592                SCTP_DEBUG_PRINTK("There is no association yet.\n");
1593
1594                if (sinfo_flags & (SCTP_EOF | SCTP_ABORT)) {
1595                        err = -EINVAL;
1596                        goto out_unlock;
1597                }
1598
1599                /* Check for invalid stream against the stream counts,
1600                 * either the default or the user specified stream counts.
1601                 */
1602                if (sinfo) {
1603                        if (!sinit || (sinit && !sinit->sinit_num_ostreams)) {
1604                                /* Check against the defaults. */
1605                                if (sinfo->sinfo_stream >=
1606                                    sp->initmsg.sinit_num_ostreams) {
1607                                        err = -EINVAL;
1608                                        goto out_unlock;
1609                                }
1610                        } else {
1611                                /* Check against the requested.  */
1612                                if (sinfo->sinfo_stream >=
1613                                    sinit->sinit_num_ostreams) {
1614                                        err = -EINVAL;
1615                                        goto out_unlock;
1616                                }
1617                        }
1618                }
1619
1620                /*
1621                 * API 3.1.2 bind() - UDP Style Syntax
1622                 * If a bind() or sctp_bindx() is not called prior to a
1623                 * sendmsg() call that initiates a new association, the
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