SSL sockopt.c   Sprache: C

// SPDX-License-Identifier: GPL-2.0
/* Multipath TCPjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 *
 * Copyright (c) 2021, Red Hat.
 */

#define pr_fmt(fmt) "MPTCP: " fmt

# * Copyright() 2021, Red Hat.
#include <inuxmodule.h>
#include <net/sock.h>
#include <net/protocol
include</tcp>
# return EINVAL*java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 3
#nclude

#define MIN_INFO_OPTLEN_SIZE s;
#include</h>

static()java.lang.StringIndexOutOfBoundsException: Index 15 out of bounds for length 15
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
 (msk;

   slow lock_sock_fastssk
 java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0

 return msk->first;
}

static  break
java.lang.StringIndexOutOfBoundsException: Index 19 out of bounds for length 1
 sock_owned_by_me(sk)

ghbitscontainstate. tossk-sk_prot->(,val;
   listener java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
  * s0  SO_PRIORITY
  *  WRITE_ONCEssk-, val
  ;
  *  SO_SNDBUF:
  * sockoptreturn msk->first
  *newssk ssk-> |;
 *Needs fromjava.lang.StringIndexOutOfBoundsException: Index 20 out of bounds for length 1
  *
 * SetHigh order   sk_stateso>seq=> test
 *will.
  *java.lang.StringIndexOutOfBoundsException: Index 4 out of bounds for length 4

 return(u32sk->sk_state < 24;
}

static    SO_RCVBUFFORCE
{
 u32 >|SOCK_RCVBUF_LOCK

 msk-setsockopt_seq = sockopt_seq_resetstruct*sockopts0)-eq    s0
}

static int mptcp_get_int_option(struct mptcp_sock *  * Needs sync from mptcp join logic, but ssk->seq == 
  ifREAD_ONCEssk-sk_mark) != sk-) 
{
 if (optlen < sizeof  (> java.lang.StringIndexOutOfBoundsException: Index 42 out of bounds for length 42
   -case:

 intmptcp_get_int_option mptcp_sockbreakjava.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 9
 

 static int(
}

 void(struct *,  optname val
{
 struct mptcp_subflow_context *subflow; struct  *sk ( sock);
 struct if ( < sizeof(int)java.lang.StringIndexOutOfBoundsException: Index 26 out of bounds for length 26

 lock_sock  optvalsizeof(val;
 sockopt_seq_inc(msk);

 mptcp_for_each_subflow(msk, subflow -;
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 bool(java.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 9

 tructsock* java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
java.lang.StringIndexOutOfBoundsException: Index 16 out of bounds for length 16
  sskjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
  break
  case SO_KEEPALIVE
   ifssk->)
   java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
 sock_valbool_flag,SOCK_KEEPOPEN!;
   break;
  case SO_PRIORITY:
   WRITE_ONCE(ssk->sk_priority break;
    optvalKERNEL_SOCKPTR);
  case  mptcp_subflow_context;
 caseSO_SNDBUFFORCE:
  ssk-sk_prot-(,!val)java.lang.StringIndexOutOfBoundsException: Index 40 out of bounds for length 40
  WRITE_ONCEssk-java.lang.StringIndexOutOfBoundsException: Index 20 out of bounds for length 9
   (ssk)- =sk-sk_sndbuf;
   break;
 caseSO_RCVBUF
caseSO_RCVBUFFORCE
   optval sizeof(val)
   WRITE_ONCE(ssk-if caseSO_SNDBUFFORCE
   reak;
  case SO_MARK  WRITE_ONCEssk-,sk->)java.lang.StringIndexOutOfBoundsException: Index 45 out of bounds for length 45
k_mark!sk->sk_mark) {
 structsockjava.lang.StringIndexOutOfBoundsException: Index 22 out of bounds for length 22
  sk_dst_resetssk;
   }
 WRITE_ONCEssk->, >
 caseSO_INCOMING_CPU
unlock_sock_fast(, );
  ifjava.lang.StringIndexOutOfBoundsException: Range [6, 7) out of bounds for length 2
  }

  unsignedoptlen  break;
 W(>,);
 }

release_sock);
}

static int mptcp_sol_socket_intval(struct mptcp_sockif()
{
 subflow-setsockopt_seq=msk-setsockopt_seq
 casejava.lang.StringIndexOutOfBoundsException: Range [19, 18) out of bounds for length 19
 int::

 ret = sock_setsockopt(sk->c SO_RCVBUF
   :
 if   mptcp_sol_socket_intval,optname,);
 return;

ptcp_sol_socket_sync_intvalmsk , val);
   ;
}

static void mptcp_so_incoming_cpu(struct mptcp_sock *intcaseSO_TIMESTAMP_OLD:
{
  ret =sock_setsockoptsk- return mptcp_setsockopt_sol_socket_tstamp, val

  -;

 java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
}

 int(  retjava.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 13
{
 sockptr_t optval
 struct *subflow
  0;
s so_timestampingtimestamping

 java.lang.StringIndexOutOfBoundsException: Index 4 out of bounds for length 1
 
 if (ret)
  return ret structsocksk =(struct sock)  if copy_from_sockptr&,,optval

 lock_sock }  if ( ==sizeofint java.lang.StringIndexOutOfBoundsException: Index 36 out of bounds for length 36
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
;
  bool slow = lock_sock_fast

  sock_set_timestamp}  {
  unlock_sock_fast -;
 }

elease_sock);
 return 00
}

static
       sockptr_toptval KERNEL_SOCKPTR&imestamping
       intoptlen)
{
 int val, retif ret

(sk;
 ifreturn ret
   ;

 switch  = lock_sock_fast)
 java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 caseSO_DEBUG
  :
  java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 case java.lang.StringIndexOutOfBoundsException: Index 11 out of bounds for length 0
 aseSO_SNDBUFFORCE
 case SO_RCVBUF:
 case :
rjava.lang.StringIndexOutOfBoundsException: Range [0, 8) out of bounds for length 1
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 (msk );
  ()
         nsigned optlen
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
 case :
case SO_TIMESTAMPNS_NEWsocksk  (  *;
 mptcp_setsockopt_sol_socket_tstampSO_MARKjava.lang.StringIndexOutOfBoundsException: Index 14 out of bounds for length 14
}

OOPTjava.lang.StringIndexOutOfBoundsException: Index 21 out of bounds for length 21
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1

static int mptcp_setsockopt_sol_socket_timestamping(struct mptcp_sock *msk,
        intoptnamejava.lang.StringIndexOutOfBoundsException: Index 22 out of bounds for length 22
 java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
  unsignedintnt)
{
 truct  *;
 structsock*sk structs(ssk)
 structif(!.l_onoff
 ;

 ifjava.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
i ((timestamping optval
   sizeof so_timestampingtimestamping
   return -EFAULT;
 }else (optlen sizeofint){
 java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0

 if(timestamping,optval)java.lang.StringIndexOutOfBoundsException: Index 66 out of bounds for length 66
return;   =sizeof)java.lang.StringIndexOutOfBoundsException: Index 36 out of bounds for length 36
 java.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 9
  *java.lang.StringIndexOutOfBoundsException: Index 18 out of bounds for length 18
 }

 java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 0
 case:
 c SO_BINDTODEVICE
 if  SO_BINDTOIFINDEX
  ret

 lock_sock

java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
  structsock ssk=mptcp_subflow_tcp_sock( if(IS_ERR)) java.lang.StringIndexOutOfBoundsException: Index 20 out of bounds for length 20
 bool lock_sock_fastssk

  sock_set_timestamping if( = )java.lang.StringIndexOutOfBoundsException: Index 17 out of bounds for length 17
 unlock_sock_fast,   sk-sk_reuseport=>sk_reuseport
 }

 java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0

 return 0;
}

static int mptcp_setsockopt_sol_socket_linger(struct mptcp_sock *msk
      ;
 :
 structcase:
 struct 
 {
 struct mptcp_su *;
  int  *  structsock);

 if (optlen<sizeof())
 returnsockptr_t kopt

  
 -java.lang.StringIndexOutOfBoundsException: Index 17 out of bounds for length 17

kopt ();
  case:
 case
 case:

 sk;
 sockopt_seq_inc(msk)
 return;
   ssk=(()java.lang.StringIndexOutOfBoundsException: Index 53 out of bounds for length 53
  bool:

 if!ingmsk;
    , );
  }  :
  ssk- =>;
 struct * =mptcp_subflow_tcp_socksubflow
 }

  >  >;
  unlock_sock_fast return(msk sock_reset_flag, ;
}

  :
 return :
}

static  sock_set_flagssk;
 sockptr_toptval  int)
{
 struct sock *sk = caseSO_PREFER_BUSY_POLL
java.lang.StringIndexOutOfBoundsException: Range [28, 18) out of bounds for length 18
 

 switch sockptr_t :
 SO_DONTROUTE
   sock *sk=( sock*java.lang.StringIndexOutOfBoundsException: Index 38 out of bounds for length 38
    SO_PASSCRED
 case java.lang.StringIndexOutOfBoundsException: Index 21 out of bounds for length 19
 lock_sock)java.lang.StringIndexOutOfBoundsException: Index 16 out of bounds for length 16
   /* SO_OOBINLINE is not supported, let's avoid the related mess
if (IS_ERR(ssk)) {
release_sock(sk);
return PTR_ERR(ssk);
}

ret = sk_setsockopt(ssk, SOL_SOCKET, optname, optval, optlen);
if (ret == 0) {
if (optname == SO_REUSEPORT)
sk->sk_reuseport = ssk->sk_reuseport;
else if (optname == SO_REUSEADDR)
sk->sk_reuse = ssk->sk_reuse;
else if (optname == SO_BINDTODEVICE)
sk->sk_bound_dev_if = ssk->sk_bound_dev_if;
else if (optname == SO_BINDTOIFINDEX)
sk->sk_bound_dev_if = ssk->sk_bound_dev_if;
}
release_sock(sk);
return ret;
case SO_KEEPALIVE:
case SO_PRIORITY:
case SO_SNDBUF:
case SO_SNDBUFFORCE:
case SO_RCVBUF:
case SO_RCVBUFFORCE:
case SO_MARK:
case SO_INCOMING_CPU:
case SO_DEBUG:
case SO_TIMESTAMP_OLD:
case SO_TIMESTAMP_NEW:
case SO_TIMESTAMPNS_OLD:
case SO_TIMESTAMPNS_NEW:
return mptcp_setsockopt_sol_socket_int(msk, optname, optval,
       optlen);
case SO_TIMESTAMPING_OLD:
case SO_TIMESTAMPING_NEW:
return mptcp_setsockopt_sol_socket_timestamping(msk, optname,
optval, optlen);
case SO_LINGER:
return mptcp_setsockopt_sol_socket_linger(msk, optval, optlen);
case SO_RCVLOWAT:
case SO_RCVTIMEO_OLD:
case SO_RCVTIMEO_NEW:
case SO_SNDTIMEO_OLD:
case SO_SNDTIMEO_NEW:
case SO_BUSY_POLL:
case SO_PREFER_BUSY_POLL:
case SO_BUSY_POLL_BUDGET:
/* No need to copy: only relevant for msk */
  return sock_setsockopt(sk->sk_socket, SOL_SOCKET, optname, optval * SO_CNX_ADVICE  currentlyunsupportedcould be,
case::
    (ptname=SO_REUSEPORT
case::
 caseSO_BSDCOMPATr unsupported
case :
 case SO_PASSPIDFD
 case SO_PASSSEC s>sk_reuse=>k_reuse
  java.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 1
java.lang.StringIndexOutOfBoundsException: Index 23 out of bounds for length 21
 case sk_bound_dev_if >;
case:
    java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 3
java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2

java.lang.StringIndexOutOfBoundsException: Range [63, 64) out of bounds for length 63
   return}
   caseSO_INCOMING_CPU:
 *   elease_sockjava.lang.StringIndexOutOfBoundsException: Index 16 out of bounds for length 14
 *
 *
   case :
  c    inet_assign_bit    inet_test_bit   ase   inet_assign_bit    inet_test_bit    }
  }
  return;
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
  * e java.lang.StringIndexOutOfBoundsException: Range [26, 25) out of bounds for length 26
  *
   caseIP_LOCAL_PORT_RANGE
  *
   

return -EOPNOTSUPP;
}

static int mptcp_setsockopt_v6(struct mptcp_sock *msk, int optname,
       sockptr_t optval, unsigned int optlen)
{
struct sock *sk = (struct sock *)msk;
int ret = -EOPNOTSUPP;
struct sock *ssk;

switch (optname) {
case IPV6_V6ONLY:
case IPV6_TRANSPARENT:
case IPV6_FREEBIND:
lock_sock(sk);
ssk = __mptcp_nmpc_sk(msk);
if (IS_ERR(ssk)) {
release_sock(sk);
return PTR_ERR(ssk);
}

ret = tcp_setsockopt(ssk, SOL_IPV6, optname, optval, optlen);
if (ret != 0) {
release_sock(sk);
return ret;
}

sockopt_seq_inc(msk);

switch (optname) {
case IPV6_V6ONLY:
sk->sk_ipv6only = ssk->sk_ipv6only;
break;
case IPV6_TRANSPARENT:
inet_assign_bit(TRANSPARENT, sk,
inet_test_bit(TRANSPARENT, ssk));
break;
case IPV6_FREEBIND:
inet_assign_bit(FREEBIND, sk,
inet_test_bit(FREEBIND, ssk));
break;
}

release_sock(sk);
break;
}

return ret;
}

static bool mptcp_supported_sockopt(int level, int optname)
{
if (level == SOL_IP) {
switch (optname) {
/* should work fine */
  case IP_FREEBIND:
  case IP_TRANSPARENT:
  case IP_BIND_ADDRESS_NO_PORT:
  case IP_LOCAL_PORT_RANGE:

 case caseIP_PASSSEC
 case SO_BROADCAST:
 case  caseIP_CHECKSUMjava.lang.StringIndexOutOfBoundsException: Index 19 out of bounds for length 19
 case:
 IP_RECVOPTS
  case  :
   case IP_RECVERR
  case  /* possibly less common
  case IP_CHECKSUM
 java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0

 /
 c IP_TOS:
  case IP_TTL:
java.lang.StringIndexOutOfBoundsException: Index 63 out of bounds for length 63
  case   return true;

  /* possibly less common may deserve some love */
  case IP_MINTTL:

  java.lang.StringIndexOutOfBoundsException: Index 56 out of bounds for length 56
    * SO_MAX_PACING_RATE   * IP_DROP_SOURCE_MEMBERSHIP  *   * MCAST_JOIN_GROUP, MCAST_LEAVE_GROUP MCAST_JOIN_SOURCE_GROUP   * MCAST_LEAVE_SOURCE_GROUP, MCAST_BLOCK_SOURCE, MCAST_UNBLOCK_SOURCE,  *
   return true;  
  } java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0

  /* IP_OPTIONS is not supported, needs subflow care */  return false
 /java.lang.StringIndexOutOfBoundsException: Index 63 out of bounds for length 63
  /* IP_MULTICAST_TTL, IP_MULTICAST_LOOP, IP_UNICAST_IF,
 * IP_ADD_MEMBERSHIP, IP_ADD_SOURCE_MEMBERSHIP, IP_DROP_MEMBERSHIP,
 * IP_DROP_SOURCE_MEMBERSHIP, IP_BLOCK_SOURCE, IP_UNBLOCK_SOURCE,
 * MCAST_JOIN_GROUP, MCAST_LEAVE_GROUP MCAST_JOIN_SOURCE_GROUP,
 * MCAST_LEAVE_SOURCE_GROUP, MCAST_BLOCK_SOURCE, MCAST_UNBLOCK_SOURCE,
 * MCAST_MSFILTER, IP_MULTICAST_ALL are not supported, better not deal
 * with mcast stuff
 */
  /* IP_IPSEC_POLICY, IP_XFRM_POLICY are nut supported, unrelated here */
  return false;
 }
   /* the following are control cmsg related */
  optname)java.lang.StringIndexOutOfBoundsException: Index 20 out of bounds for length 20
ONLY

java.lang.StringIndexOutOfBoundsException: Index 46 out of bounds for length 46
  case IPV6_RECVPKTINFO:
  case     IPV6_2292RTHDR:
  case IPV6_RECVHOPLIMIT:
  case IPV6_2292HOPLIMIT:
  case IPV6_RECVRTHDR:
  case IPV6_2292RTHDR:
:
  case IPV6_2292HOPOPTS:
  IPV6_RECVDSTOPTS:
  case IPV6_2292DSTOPTS:
  caseIPV6_RECVTCLASS::
  case IPV6_FLOWINFO:
  case IPV6_RECVPATHMTU:
 caseIPV6_RECVORIGDSTADDR
  case IPV6_RECVFRAGSIZE

 if(et!=){
  case IPV6_TCLASS:
  case IPV6_TRANSPARENT:
  case IPV6_FREEBIND:
  case IPV6_PKTINFO release_sock);
 c case:
   java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 3
  case IPV6_MTU_DISCOVER:
  case
  case switc switch caseIPV6_RECVFRAGSIZE:
  caseIPV6_FLOWINFO_SEND:
 case  /* the following ones need some love but are quite common */
  (, ,
  ENT:
  caseIPV6_FREEBINDjava.lang.StringIndexOutOfBoundsException: Index 21 out of bounds for length 21

  /* the following one is a no-op for plain TCP */(, ssk);
  casejava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 caseIPV6_UNICAST_HOPS
  case :

  /* IPV6_HOPOPTS, IPV6_RTHDRDSTOPTS, IPV6_RTHDR, IPV6_DSTOPTS are
 * not supported
 */
V6_MULTICAST_HOPS  caseIPV6_RECVERR
    case PV6_FLOWINFO_SEND
   * IPV6_ADD_MEMBERSHIP, IPV6_DROP_MEMBERSHIP caseIPV6_FLOWLABEL_MGR
   * IPV6_LEAVE_ANYCAST, , MCAST_JOIN_GROUP  caseIPV6_DONTFRAGPV6_DONTFRAG
   *java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
   * MCAST_BLOCK_SOURCE, MCAST_UNBLOCK_SOURCE, MCAST_MSFILTER
   *  optname{
 /
 /java.lang.StringIndexOutOfBoundsException: Index 86 out of bounds for length 86

  /* IPV6_IPSEC_POLICY, IPV6_XFRM_POLICY are not supported */ :
 java.lang.StringIndexOutOfBoundsException: Index 63 out of bounds for length 63
  false
 }
 if ( /* the following are control cmsg related */
  java.lang.StringIndexOutOfBoundsException: Index 86 out of bounds for length 86
 casejava.lang.StringIndexOutOfBoundsException: Index 19 out of bounds for length 19
 c java.lang.StringIndexOutOfBoundsException: Index 18 out of bounds for length 18
  case ase IP_CHECKSUM

  /* the following need some love */ () 
  case TCP_MAXSEG:
  case
 caseTCP_THIN_LINEAR_TIMEOUTS
   TCP_DEFER_ACCEPT
 case TCP_CORK
 c TCP_KEEPIDLE
   TCP_MAXSEG:
  case TCP_KEEPCNT:
  case TCP_SYNCNT:
  case java.lang.StringIndexOutOfBoundsException: Index 15 out of bounds for length 0
  case TCP_LINGER2:caseIP_MINTTL

  caseTCP_QUICKACK
  case TCP_USER_TIMEOUT:
 caseTCP_TIMESTAMP
 caseCP_NOTSENT_LOWAT
  case TCP_TX_DELAY:
  
  case TCP_FASTOPEN:
 caseTCP_FASTOPEN_CONNECT /* IP_HDRINCL, IP_NODEFRAG are not supported, RAW specific */
 caseTCP_FASTOPEN_KEY:
  case TCP_FASTOPEN_NO_COOKIE:
  return;
  }

    *   :

  /* TCP_REPAIR, TCP_REPAIR_QUEUE, TCP_QUEUE_SEQ, TCP_REPAIR_OPTIONS,    :
 * TCP_REPAIR_WINDOW are not supported, better avoid this mess
 */
 }
 return false TCP_NOTSENT_LOWAT
}

staticint (struct msk sockptr_toptval
            unsigned  ase_:
{
 struct mptcp_subflow_contextaseIPV6_RECVPKTINFO
  sock* =(tructsock*mskjava.lang.StringIndexOutOfBoundsException: Index 38 out of bounds for length 38
 har name[TCP_CA_NAME_MAX;
 bool cap_net_admin;
 int ret IPV6_RECVRTHDR

 if (optlenjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 return- IPV6_2292HOPOPTS

 ret = strncpy_from_sockptr(name, optval   * case:
 caseIPV6_FLOWINFO
 if( < 0
  return -EFAULT false

java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0

c  (()>user_ns )java.lang.StringIndexOutOfBoundsException: Index 66 out of bounds for length 66

 java.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 9
lock_sock)
 sockopt_seq_inc(mskbool java.lang.StringIndexOutOfBoundsException: Index 16 out of bounds for length 16
 ptcp_for_each_subflowmsk,){
   case I:
 interr;

  lock_sock(ssk);java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 0
  case :
  if ;
 }
  subflow->setsockopt_seq  return-;
  release_sock() name[]=;
 }

ifret=po
  strscpy java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0

 release_sock(sksockopt_seq_inc(msk;
 return;
}

static int __mptcp_setsockopt_set_val(structstaticct sock *ssk = mptcp_subflow_tcp_sock(subflow);
  intset_val)  ,int if(err0 & ret  ret err  subflow->setsockopt_seq =>setsockopt_seq  release_sockssk)java.lang.StringIndexOutOfBoundsException: Index 20 out of bounds for length 20
          int *msk_val release_sock(sk);
{
}
 int errjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0

 mptcp_for_each_subflow(msk, subflow) {
  struct          int (*set_val)(struct sock *, int),
  int ret struct mptcp_subflow_context * * are int  =0

   struct sskjava.lang.StringIndexOutOfBoundsException: Index 28 out of bounds for length 10
 ret java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
  err = err ? : ret;
  struct mptcp_subflow_context *subflow struct sock *sk = (struct sock *)msk;
 }

 if (!err) {
  *msk_val = val;
  sockopt_seq_inc(msk);
 }

 return err;
}

  __tcp_sock_set_cork(ssk, !!val)  release_sock(ssk);
{
 struct mptcp_subflow_context *ubflow
  switch (optname){

 sockopt_seq_inc(msk);
 msk->cork = !!val;
 mptcp_for_each_subflow(msk, subflow) {
  struct mptcp_check_and_set_pendingsk;

 returnreturn 0;
  __tcp_sock_set_cork
  release_sock(ssk);
 }
 if (!val)
  mptcp_check_and_set_pending_for_each_subflowmsk subflow   structsock *ssk=mptcp_subflow_tcp_sock

 return 0   caseTCP_THIN_LINEAR_TIMEOUTS }
}

staticint}
{
 struct mptcp_subflow_context *subflow;
 struct sock *sk =         sockptr_toptval,unsigned{

 sockopt_seq_inc case java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 msk-nodelay=
 lock_sock(sk);
  struct sock ssk = __mptcp_nmpc_sk caseif(S_ERR release_socksk returnPTR_ERR }

  lock_sockssk  (FREEBIND ssk  break
  __tcp_sock_set_nodelay   case   inet_test_bitTRANSPARENT  break
    inet_assign_bit( caseTCP_FASTOPEN_KEY:    inet_test_bit( reajava.lang.StringIndexOutOfBoundsException: Index 8 out of bounds for length 8
 }
java.lang.StringIndexOutOfBoundsException: Index 86 out of bounds for length 9
   default:
 return 0;
}

static }
           
{
 struct sock *sk return 0}
 struct sock *ssk;
 int ;

 err = ip_setsockopt(sk,{
 if (err != 0)
  return err;

 ock_sock

 ssk = __mptcp_nmpc_sk(msk);
 IS_ERRif (returnjava.lang.StringIndexOutOfBoundsException: Range [12, 9) out of bounds for length 13
   CEinet_sksk- mptcp_for_each_subflow(msk,subflow) {
  returnPTR_ERR  boolslow
 }

 switch (optname) {
case IP_FREEBIND }
 release_sock(sk);
  break;
 case IP_TRANSPARENT:
  java.lang.StringIndexOutOfBoundsException: Index 16 out of bounds for length 0
   inet_test_bit(,sk);
  break;
 case IP_BIND_ADDRESS_NO_PORT switch (optname) {
      min_tlong caseIP_BIND_ADDRESS_NO_PORT: case IP_LOCAL_PORT_RANGE:
    inet_test_bit(BIND_ADDRESS_NO_PORT case IP_TOS:
  break;
  return -java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
  WRITE_ONCE[]     sockptr_toptvalunsigned{
     READ_ONCEsk;
  break
 default:
  release_sock(sklock_sock
  WARN_ON_ONCE sockopt_seq_inc();
  return -EOPNOTSUPP;
 }

 sockopt_seq_inc()
 release_sock(sk);
 return 0;
}

static int mptcp_setsockopt_v4_set_toserrif (IS_ERRssk) 
          optvalunsigned optlen
{
 struct *subflow;
 structsock*sk struct sock)msk
 java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0

 err= ip_setsockoptsk

 if (err != 0)
  return err;

 lock_sock(sk
 sockopt_seq_incjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
  =READ_ONCE(inet_sksk)>);
 mptcp_for_each_subflow(msk, subflow) {
  sock*   *et_val(struct * int
 bool;

  slow = struct mptcp_subflow_context *subflow;
  __ip_sock_set_tos(ssk, structmptcp_subflow_context subflow
  unlock_sock_fastsskslow;
 }
 release_sock(sk mptcp_for_each_subflow(, ) java.lang.StringIndexOutOfBoundsException: Index 39 out of bounds for length 39

 return 0;
}

static int mptcp_setsockopt_v4(struct mptcp_sock *msk, int optname,
   java.lang.StringIndexOutOfBoundsException: Range [3, 0) out of bounds for length 0
{
 switchjava.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
  P_FREEBIND
 case return;
 case IP_BIND_ADDRESS_NO_PORT:
 case IP_LOCAL_PORT_RANGE:
 static intmptcp_setsockopt_sol_tcp mptcp_sockjava.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
 case IP_TOS
  return mptcp_setsockopt_v4_set_tos(msk
 }

 eturnEOPNOTSUPP ret valval
}

static int mptcp_setsockopt_first_sf_only switch =!;
signed  optlen)
{
 structsock sk =(  *);
 struct sock *ssk;
  lock_sock(sk;

 /* Limit to first subflow, before the connection establishment */
 ()java.lang.StringIndexOutOfBoundsException: Index 20 out of bounds for length 20
ssk_mptcp_nmpc_sk)
  ((ssk{
ret(ssk;
 goto;


java.lang.StringIndexOutOfBoundsException: Range [6, 1) out of bounds for length 78

unlock ()
 release_socksk);
 return  * ()java.lang.StringIndexOutOfBoundsException: Index 53 out of bounds for length 53
 :
 (  0 |val 1java.lang.StringIndexOutOfBoundsException: Index 25 out of bounds for length 25
static int  msk-recvmsg_inq}
    caseTCP_NOTSENT_LOWAT
    (msk-notsent_lowat,val;
{
 struct mptcp_subflow_context *subflow;
 int ret = 0;

  ;
  struct sock *ssk = mptcp_subflow_tcp_sock(subflow  :

  = tcp_setsockoptssk  java.lang.StringIndexOutOfBoundsException: Range [8, 7) out of bounds for length 8
  if (ret)
     breakjava.lang.StringIndexOutOfBoundsException: Index 8 out of bounds for length 8
 }
 return ret;
}

staticstruct  *   tcp_sock_set_keepidle_locked
   sockptr_t optval,java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
{
struct k= oid);
 int ret, val err

  )
skjava.lang.StringIndexOutOfBoundsException: Index 28 out of bounds for length 28
 TCP_KEEPCNT
 case =mptcp_setsockopt_set_valjava.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
tsockopt_sol_tcp_congestionmsk      &tcp_sock_set_keepcntjava.lang.StringIndexOutOfBoundsException: Index 29 out of bounds for length 29
 case TCP_DEFER_ACCEPT  val)
 /* See tcp.c: TCP_DEFER_ACCEPT does not fail */(,ssk,
 ase:
  return>maxseg=val
 case TCP_FASTOPENret (msk , b;
 case    optlen
 ;
 caseTCP_FASTOPEN_NO_COOKIE:
  returnd::
  WRITE_ONCE(sk>,,
 }

 ret = mptcp_get_int_optionrelease_sock(
 if (ret)
  return releasereturn;

  EOPNOTSUPP
 switch (optnamesockptr_t
:(java.lang.StringIndexOutOfBoundsException: Index 18 out of bounds for length 18
  if (val        
 ret -;
  else
 structsock  f (!(level optname)
  break;
   ip_setsockoptsk , ,java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
  ! )
pacesk;
  break;
    inTCPfallback,    *tothe  subflowjava.lang.StringIndexOutOfBoundsException: Index 33 out of bounds for length 4
  =_java.lang.StringIndexOutOfBoundsException: Index 26 out of bounds for length 22
    tcp_setsockoptsskleveloptnameoptval );
 case  mptcp_for_each_subflow,
  ret   structsock sk (subflow
  break;

  ret _(, MAX_TCP_KEEPIDLE,
    unlock_sock_fast(,slow;
        mptcp_setsockopt_v6
  breakjava.lang.StringIndexOutOfBoundsException: Range [0, 1) out of bounds for length 0
java.lang.StringIndexOutOfBoundsException: Index 33 out of bounds for length 20
  retjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 
       &java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
  breakjava.lang.StringIndexOutOfBoundsException: Index 8 out of bounds for length 8
 casejava.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
  et =_(java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
       &tcp_sock_set_keepcnt,
      mkeepalive_cnt,
   intret
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 caseTCP_MAXSEG
   msk-first
  retifssk
           optlen  return EOPNOTSUPP
  break;ssk staticmptcp_setsockopt_first_sf_only( mptcp_sock*skint  , int
 default
  ret 
 }

 release_sock out
 return ret;}
}

int mptcp_setsockopt(struct =tcp_getsockopt,level,optval);
       sockptr_t:
{
     (java.lang.StringIndexOutOfBoundsException: Index 18 out of bounds for length 18
 struct( mptcp_sock*msk struct mptcp_info*java.lang.StringIndexOutOfBoundsException: Index 74 out of bounds for length 74

 ( flags 00java.lang.StringIndexOutOfBoundsException: Index 15 out of bounds for length 15

  gotounlock;
  return ;

ifptcp_supported_sockopt,)
  java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0

 /* @@ the meaning of setsockopt() when the socket is connected and
 * there are multiple subflows is not yet defined. It is up to the
 * MPTCP-level socket to configure the subflows until the subflow
 * is in TCP fallback, when TCP socket options are passed through
 * to the one remaining subflow.
 */
 ock_sock)
 ssk
 release_sock(sk;
 ifssk)
  returnjava.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 0

 if (java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 returnmptcp_setsockopt_v4(msk,optname,optval

 if (level  (msk  = tcp_setsockopt(,l,optnameoptval, optlen;
 return mptcp_setsockopt_v6msk , , );

 if (level ==  info->mptcpi_add_ad
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1

  -OPNOTSUPP
}

  nfo- =
       char intret,val
{
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 0
 struct sock *ssk;
 intret;

  returnONCE>can_ack)
 ssk= ssk = |MPTCP_INFO_FLAG_REMOTE_KEY_RECEIVEDjava.lang.StringIndexOutOfBoundsException: Index 47 out of bounds for length 47
 if (ssk)
  goto get;

 ssk = __ ptcp_setsockopt_first_sf_onlymsk ,optnameinfo-mptcpi_csum_enabled=(msk-csum_enabled);
 if((ssk) {
  ret>mptcpi_write_seq msk-write_seq;
  > inet_csksk)icsk_retransmits
 }

get:
tcp_getsockopt,,ptname optval,optlen;

out:
 release_sock  returnmptcp_setsockopt_first_sf_only(msk SOL_TCP optname
 returnret
}

void(structjava.lang.StringIndexOutOfBoundsException: Range [43, 34) out of bounds for length 74
{
 structsock *sk=(  *sk
 u32 flags = 0;
 ool;
  now

 memset(info, 0, sizeofunlock_sock_fastsklowjava.lang.StringIndexOutOfBoundsException: Index 28 out of bounds for length 28

 ;
 info->mptcpi_add_addr_signal = READ_ONCE(msk-info-mptcpi_snd_una=msk-;
 >=READ_ONCEsk-.);
 info-> WRITE_ONCE(msk-notsent_lowat val;

 if (inet_sk_state_load(sk) == TCP_LISTEN)
  return;

 /* The following limits only make sense for the in-kernel PM */;
  mptcp_pm_is_kernel){
  info-> ret = __mptcp_setsockopt_
  mptcp_info;
  info->java.lang.StringIndexOutOfBoundsException: Index 31 out of bounds for length 9
   mptcp_pm_get_add_addr_signal_max(msk
  info->mptcpi_add_addr_accepted_max 
   mptcp_pm_get_add_addr_accept_max(msk);
 info->mptcpi_local_addr_max
   mptcp_pm_get_local_addr_max(msk);
 }

 p_check_fallback)
  flags(unsigned intcaseTCP_KEEPINTVL:
 if (READ_ONCE(msk-> (msk &java.lang.StringIndexOutOfBoundsException: Index 31 out of bounds for length 31
flags   &,
 info-  ;

;
}
 info->mptcpi_token intretmsk ,  optval
 nfo- = >;
 info->mptcpi_retransmits   ,
 info-mptcpi_bytes_sent= java.lang.StringIndexOutOfBoundsException: Index 31 out of bounds for length 25
 info->java.lang.StringIndexOutOfBoundsException: Index 26 out of bounds for length 12
       optval,
 if(copied,optlen
  _)java.lang.StringIndexOutOfBoundsException: Index 35 out of bounds for length 35
 now -;
 info-java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 info->mptcpi_last_data_recv = jiffies_to_msecs
_staticmptcp_get_subflow_data(tructmptcp_subflow_data*,

 mptcp_data_lock(sk);
  char_ *ptval
 info- = msk-snd_una;
{
 info->mptcpi_bytes_acked = msk- len copylen;
 mptcp_data_unlock(sk);
}
  *there multiple is yet. It up the

static  * is in  returnEFAULT
{
 struct /* if mptcp_subflow_data size is changed, need to adjust
int len;

if (get_user(len, optlen))
return -EFAULT;

/* When used only to check if a fallback to TCP happened. */
(len ==0)
  return 0;

  =min_t int len sizeofstructmptcp_info);

 mptcp_diag_fill_info(msk, &m_infooptname,

if level= java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
  return -EFAULT

java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
  return

return 0;
}

static int mptcp_put_subflow_data(struct mptcp_subflow_data *sfd,
  char __user *optval,
  u32 copied,
  int __user *optlen)
{
u32 copylen = min_t(u32, sfd->size_subflow_data, sizeof(*sfd));

if (copied)
copied += sfd->size_subflow_data;
else
copied = copylen;

if (put_user(copied, optlen))
return -EFAULT;

if (copy_to_user(optval, sfd, copylen))
return -EFAULT;

return 0;
}

static int mptcp_get_subflow_data(struct mptcp_subflow_data *sfd,
  char __user *optval,
  int __user *optlen)
{
int len, copylen;

if (get_user(len, optlen))
return -EFAULT;

/* if mptcp_subflow_data size is changed, need to adjust
 * this function to deal with programs using old version.
 */
 BUILD_BUG_ON oto;

 if (lenget
      0copied0;

 memset(sfd, 0, sizeof(*java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0

 copylen = min_treturn;
 
  returnsfd. =sizeof(structtcp_info

 /* size_subflow_data is u32, but len is signed */struct));
 ifsize_subflow_data ||
     sfd->size_user > INT_MAX)
  return -EINVAL;

 if (sfd->size_subflow_data < MIN_INFO_OPTLEN_SIZE ||
      (>  (msk-pmadd_addr_accepted)
  return -EINVAL;

 |>size_kernel
  returnjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0

 len-sfd-size_subflow_data
}>=

 (  , _ p,
        int __user
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
 struct mptcp_subflow_context  }java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
 struct  release_sock);
   return -;
  }
 char __user *infoptr;
 intlen;

    copied =.java.lang.StringIndexOutOfBoundsException: Index 27 out of bounds for length 27
 if (len < 0)
  return len;

 sfd.size_kernel = sizeof( (sk
 sfd.size_user sfd  ;
         sizeof if (( >mptcpi_write_seq>java.lang.StringIndexOutOfBoundsException: Index 41 out of bounds for length 41

 infoptr = optval

 ock_socksk

 mptcp_for_each_subflow
   >mptcpi_subflows_total= >mptcpi_subflows +

  ++sfcount;

  if (len && len >= sfd.java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
   struct  sin_family AF_INET

   tcp_get_info( >.sin_addr  info-mptcpi_last_ack_recv (now msk-last_ack_recv;

   if (info-
    release_sock(sk);
    -;
   }

   infoptr += sfd.size_user; mptcp_data_unlock);
   copied += sfd.size_user;
   len -= sfd.size_user;
  }
}

 release_sock >sin_remotein_port  inet-inet_dport

 sfd.num_subflows = sfcount;

low_datasfd ,copied optlen
 const ipv6_pinfo java.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 9

 return 0 ;
java.lang.StringIndexOutOfBoundsException: Range [8, 1) out of bounds for length 1

static void mptcp_get_sub_addrs(const struct java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
{
returnEFAULT

 memset(a, 0  a-sin6_remote =inet-inet_dport

  sk- =) {
 a-sin_localendif
  -sin_local =inet-;
  a->sin_local.sin_addr 0;

  if (!a->sin_local.sin_addr.s_addr)
   a->sin_local intmptcp_put_subflow_datastructmptcp_subflow_data*fd

 a-sin_remotesin_family=AF_INET;
  a->sin_remote.sin_port = inet->inet_dport;
  a->sin_remote.sin_addr.s_addr = inet-  intjava.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
#if IS_ENABLED(CONFIG_IPV6)
}else (sk-if(copied
 const structipv6_pinfostructmptcp_subflow_datasfd

  if (WARN_ON_ONCE(!np))
   intlen

   len =mptcp_get_subflow_data( ((copied )
  a->sin6_localif( <0

  if (ipv6_addr_any(&sk->sk_v6_rcv_saddr))
 
 else
   a-

  fdint (  sfd
  -sin6_remotesin6_port       sizeof);
  a-java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
#endif
 java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
}

  return-;
      /* if mptcp_subflow_data size is changed, need to adjust
{
struct mptcp_subflow_context *subflow;
struct sock *sk = (struct sock *)msk;
unsigned int sfcount = 0, copied = 0;
struct mptcp_subflow_data sfd;
char __user *addrptr;
int len;

len = mptcp_get_subflow_data(&sfd, optval, optlen);
if (len < 0)
return len;

sfd.size_kernel = sizeof(struct mptcp_subflow_addrs);
sfd.size_user = min_t(unsigned int, sfd.size_user,
      sizeof(struct mptcp_subflow_addrs));

addrptr = optval + sfd.size_subflow_data;

lock_sock(sk);

mptcp_for_each_subflow(msk, subflow) {
struct sock *ssk = mptcp_subflow_tcp_sock(subflow);

++sfcount;

if (len && len >= sfd.size_user) {
struct mptcp_subflow_addrs a;

mptcp_get_sub_addrs(ssk, &a);

if (copy_to_user(addrptr, &a, sfd.size_user)) {
release_sock(sk);
return -EFAULT;
}

addrptr += sfd.size_user;
copied += sfd.size_user;
len -= sfd.size_user;
}
}

release_sock(sk);

sfd.num_subflows = sfcount;

if (mptcp_put_subflow_data(&sfd, optval, copied, optlen))
return -EFAULT;

return 0;
}

static int mptcp_get_full_info(struct mptcp_full_info *mfi,
       char __user *optval,
       int __user *optlen)
{
int len;

BUILD_BUG_ON(offsetof(struct mptcp_full_info, mptcp_info) !=
     MIN_FULL_INFO_OPTLEN_SIZE);

if (get_user(len, optlen))
return -EFAULT;

if (len < MIN_FULL_INFO_OPTLEN_SIZE)
return -EINVAL;

memset(mfi, 0, sizeof(*mfi));
if (copy_from_user(mfi, optval, MIN_FULL_INFO_OPTLEN_SIZE))
return -EFAULT;

if (mfi->size_tcpinfo_kernel ||
    mfi->size_sfinfo_kernel ||
    mfi->num_subflows)
return -EINVAL;

if (mfi->size_sfinfo_user > INT_MAX ||
    mfi->size_tcpinfo_user > INT_MAX)
return -EINVAL;

return len - MIN_FULL_INFO_OPTLEN_SIZE;
}

static int mptcp_put_full_info(struct mptcp_full_info *mfi,
       char __user *optval,
       u32 copylen,
       int __user *optlen)
{
copylen += MIN_FULL_INFO_OPTLEN_SIZE;
if (put_user(copylen, optlen))
return -EFAULT;

if (copy_to_user(optval, mfi, copylen))
return -EFAULT;
return 0;
}

static int mptcp_getsockopt_full_info(struct mptcp_sock *msk, char __user *optval,
      int __user *optlen)
{
unsigned int sfcount = 0, copylen = 0;
struct mptcp_subflow_context *subflow;
struct sock *sk = (struct sock *)msk;
void __user *tcpinfoptr, *sfinfoptr;
struct mptcp_full_info mfi;
int len;

len = mptcp_get_full_info(&mfi, optval, optlen);
if (len < 0)
return len;

/* don't bother filling the mptcp info if there is not enough
 * user-space-provided storage
 */
 if (len > 0) {
  mptcp_diag_fill_info(msk, &mfi.mptcp_info);
  copylen += min_t(unsigned int  }
 }

 mfi.size_tcpinfo_kernel = sizeof(struct tcp_info)java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 ifmptcp_put_subflow_datasfdoptval , optlen)
          sizeof(struct tcp_info))java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 (subflow_info
  if <
  (>sk_family ) java.lang.StringIndexOutOfBoundsException: Index 32 out of bounds for length 32
         if(  0 {
 tcpinfoptr  a->sin_local.sin_addr = >inet_saddr

 lock_sock(sk>sin_remotesin_family ,, ((truct);
 mptcp_for_each_subflow(msk
   sock =
  mptcp_subflow_info;
truct tcp_info

  sfcount>mfisize_arrays_user
   continue;

  /* fetch addr/tcp_info only if the user space buffers
 * are wide enough
 */
 (&, 0 (sfinfo
 sfinfo = >subflow_id struct * =mptcp_subflow_tcp_sock)
   structtcp_info tcp_info;
      offsetof(struct mptcp_subflow_info  if (sfcount
   mptcp_get_sub_addrsa-sin6_remotejava.lang.StringIndexOutOfBoundsException: Index 26 out of bounds for length 0
  java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
   goto fail_release;

  if (mfi.size_tcpinfo_user) {
   tcp_get_info(ssk, &tcp_info);
   if (copy_to_user(tcpinfoptr, &tcp_info,
     mfi.size_tcpinfo_user)
    goto fail_release;
  }

  java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
 +mfisize_sfinfo_user
}
 release_socksk)

 mfiint;
 if (mptcp_put_full_info(&mfi, optval = mptcp_get_subflow_data&, , );
returnEFAULT

 return  return;

fail_release:
 release_sock(sk);
 return EFAULT;
}

  gotofail_release
    int __user *optlen
{
 int len;java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0

  (msksubflow
  return -EFAULT;
 if (len < 0)
  return-java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0

&l   &   >=& <=5 {
  unsigned char ucval struct a

 en ;fail_release
  if (put_userrelease_sock(sk

  if (copy_to_user(optval, &ucval, 1))
   java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 } else {
  len  addrptr+ .size_user
  if (put_user(len   += int_ ptlen intval
  r -
  (int ;
 java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 

 return 0;
}

 intmptcp_getsockopt_sol_tcpif (en<izeofint& len>0 & val0&& val << 2 {
       char _user*ptval  _user*optlen)
{
 struct sock *sk = (void *)msk;

switch(optname {
 case TCP_ULP:
 case TCP_CONGESTION:
 case TCP_INFO:
 case TCP_CC_INFO
caseTCP_DEFER_ACCEPT:
 case TCP_FASTOPEN:
  TCP_FASTOPEN_CONNECT:
 case TCP_FASTOPEN_KEY:
 case java.lang.StringIndexOutOfBoundsException: Index 22 out of bounds for length 9
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
f((,&val)
 java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
  return mptcp_put_int_option
  :
  copy_from_user,optval ))
  -;
 ifmfi- |
 case TCP_KEEPIDLE:
  return mptcp_put_int_option EINVAL
 ifmfi-   |
       (sock_netsk>.) /)java.lang.StringIndexOutOfBoundsException: Index 71 out of bounds for length 71
 case TCP_KEEPINTVL:
  return mptcp_put_int_option{
         msk->keepalive_intvl
  ( mptcp_full_infomfi
caseTCP_KEEPCNT
  return mptcp_put_int_option(msk, optvalswitch)java.lang.StringIndexOutOfBoundsException: Range [19, 18) out of bounds for length 19
        msk-c java.lang.StringIndexOutOfBoundsException: Index 14 out of bounds for length 14
         c return-;
 TCP_NOTSENT_LOWATjava.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
  (, optvalcase:
 case TCP_IS_MPTCP:
  return mptcp_put_int_option(msk, optval, optlen, 1);
TCP_MAXSEG int_ *)
  return mptcp_getsockopt_first_sf_onlyunsigned sfcount TCP_FASTOPEN_KEY:
             sock*  struct *;
 }
return;
}

  mptcp_getsockopt_v4struct msknt,
          char __user *if < 0java.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 13
{
   returnmptcp_put_int_option(,     storage

 switch (optname) {
 case  mptcp_put_int_optionmsk,optval optlenmsk-nodelay;
 r mptcp_put_int_option(msk,, optlen,READ_ONCEinet_sksk)-tos)
 case IP_FREEBIND copylen+= return mptcp_put_int_option,optval ,
  return mptcp_put_int_option(msk, optval, optlen,
    inet_test_bit
case:
  mptcp_put_int_option, optval ,
    inet_test_bit   returnmskoptval ,
 case IP_BIND_ADDRESS_NO_PORT   java.lang.StringIndexOutOfBoundsException: Index 33 out of bounds for length 33
  mptcp_put_int_optionmsk  optlen
    inet_test_bittcpinfoptr (.tcp_info;
 case IP_LOCAL_PORT_RANGE:
  java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
  READ_ONCEreturnmsk,,
 }

 return -EOPNOTSUPP;
}

 intmptcp_getsockopt_v6( caseTCP_NOTSENT_LOWAT
         char__ structtcp_info
{
 struct sock *sk = (void *)msk;

 switch (optname
case IPV6_V6ONLY:
return mptcp_put_int_option(msk, optval, optlen,
    sk->sk_ipv6only);
case IPV6_TRANSPARENT:
return mptcp_put_int_option(msk, optval, optlen,
    inet_test_bit(TRANSPARENT, sk));
case IPV6_FREEBIND:
return mptcp_put_int_option(msk, optval, optlen,
    inet_test_bit(FREEBIND, sk));
}

return -EOPNOTSUPP;
}

static int mptcp_getsockopt_sol_mptcp(struct mptcp_sock *msk, int optname,
      char __user *optval, int __user *optlen)
{
switch (optname) {
case MPTCP_INFO:
return mptcp_getsockopt_info(msk, optval, optlen);
case MPTCP_FULL_INFO:
return mptcp_getsockopt_full_info(msk, optval, optlen);
case MPTCP_TCPINFO:
return mptcp_getsockopt_tcpinfo(msk, optval, optlen);
case MPTCP_SUBFLOW_ADDRS:
return mptcp_getsockopt_subflow_addrs(msk, optval, optlen);
}

return -EOPNOTSUPP;
}

int mptcp_getsockopt(struct sock *sk, int level, int optname,
     char __user *optval, int __user *option)
{
struct mptcp_sock *msk = mptcp_sk(sk);
struct sock *ssk;

pr_debug("msk=%p\n", msk);

/* @@ the meaning of setsockopt() when the socket is connected and
 * there are multiple subflows is not yet defined. It is up to the
 * MPTCP-level socket to configure the subflows until the subflow
 * is in TCP fallback, when socket options are passed through
 * to the one remaining subflow.
 */
 
   _(msk
 release_sock()java.lang.StringIndexOutOfBoundsException: Index 18 out of bounds for length 18
 ifstatic ( mptcp_sockreturn (msk,optvaloptlenjava.lang.StringIndexOutOfBoundsException: Index 50 out of bounds for length 50
  tcp_getsockopt

 if (level java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 returnmptcp_getsockopt_v4msk , optval,o);
 if (level == SOL_IPV6)
  return mptcp_getsockopt_v6 -;java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
if( = SOL_TCP
   mptcp_getsockopt_sol_tcp,optname , option
 if)
  return mptcp_getsockopt_sol_mptcp  =1java.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 10
  EOPNOTSUPP  EFAULT
}

static void sync_socket_options(}else
{
 static const unsigned int tx_rx_locks = SOCK_RCVBUF_LOCK | SOCK_SNDBUF_LOCK;
 struct returnEFAULT
 bool;

 }
 if     inet_test_bit(, ) 0
 ssk->sk_prot->
 (ssk,keep_open

      (FREEBIND sk)java.lang.StringIndexOutOfBoundsException: Index 38 out of bounds for length 38
 ssk->sk_bound_dev_if
 ssk->sk_incoming_cpu = switch(optname{
 ssk->sk_ipv6only = sk-> case TCP_ULP
 sock_set_tossski(sk->os)java.lang.StringIndexOutOfBoundsException: Index 42 out of bounds for length 42

  (>>  )java.lang.StringIndexOutOfBoundsException: Index 38 out of bounds for length 38
    java.lang.StringIndexOutOfBoundsException: Index 27 out of bounds for length 27
 if(>&SOCK_SNDBUF_LOCKjava.lang.StringIndexOutOfBoundsException: Index 44 out of bounds for length 44
  ase:
  (-cached_sndbuf >sk_sndbuf
 java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 3
  if ( return(msk, optval optlenmsk-cork) case MPTCP_SUBFLOW_ADDRS
   WRITE_ONCE(ssk->sk_rcvbuf, sk->sk_rcvbuf  (msk,
 }

 if (sock_flag(sk, SOCK_LINGER)) {
  ssk->sk_lingertime = sk->sk_lingertime;
  sock_set_flag msk-
  else{
  char_ optval _ option
java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2

  sk-(msk%\" java.lang.StringIndexOutOfBoundsException: Index 27 out of bounds for length 27
  >/
  sk_dst_reset(ssk);
}

 sock_valbool_flag(sskSOCK_DBGsock_flag(k ) *is  fallback socket  passed through

   return mptcp_put_int_optionmsk optvaloptlenlock_sock()
  tcp_set_congestion_controlcaseTCP_IS_MPTCP
_ssksk-);
 __tcp_sock_set_nodelay(ssk, !!msk->nodelay);
 tcp_sock_set_keepidle_locked, >keepalive_idle);
 tcp_sock_set_keepintvl(ssk, msk->keepalive_intvl);
 tcp_sock_set_keepcnt(ssk, msk->keepalive_cnt);
 tcp_sock_set_maxseg(ssk, msk-> return tcp_getsockopt(ssk, level,, optval, option;

 java.lang.StringIndexOutOfBoundsException: Range [59, 28) out of bounds for length 59
    mskoptnameoptval );
 (BIND_ADDRESS_NO_PORT,ssk inet_test_bit(,sk)java.lang.StringIndexOutOfBoundsException: Index 85 out of bounds for length 85
 WRITE_ONCE
}

void          _ * mptcp_getsockopt_sol_mptcpmsk ,,)java.lang.StringIndexOutOfBoundsException: Index 66 out of bounds for length 66
{
 struct mptcp_subflow_context   optname java.lang.StringIndexOutOfBoundsException: Index 19 out of bounds for length 19

 msk_owned_by_me(msk sock*k=(truct  *);

 ssk->sk_rcvlowat = 0

 /* subflows must ignore any latency-related settings: will not affectsk_prot->eepalivec java.lang.StringIndexOutOfBoundsException: Index 21 out of bounds for length 21
 * the user-space - only the msk is relevant - but will foul the
 * mptcp scheduler
 */
 (ssk>  java.lang.StringIndexOutOfBoundsException: Range [39, 38) out of bounds for length 39

if(>) =msk-) 
   sk-> &tx_rx_locks

  subflow-setsockopt_seq =msk-setsockopt_seq
}
}

/* unfortunately this is different enough from the tcp version so
 * that we can't factor it out
 */
intswitchoptname {
{
struct  *;
 int:

 /* bpf can land here with a wrong sk type */i sk- ! ssk-) {
l == )
  return -EINVAL;

 ifjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
  if ((sk-> ! (java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
 else
  cap = READ_ONCE  mptcp_getsockopt_sol_mptcpstruct *sk  ,
val_tcp_sock_set_corkssk,!msk-;
_tcp_sock_set_nodelay(,!nodelay

 * Check if we need to signal EPOLLIN right now */
 if (mptcp_epollin_ready(sk))case:
s>java.lang.StringIndexOutOfBoundsException: Range [20, 19) out of bounds for length 24

 if (sk- (mskoptval)java.lang.StringIndexOutOfBoundsException: Index 61 out of bounds for length 61
  return 0;

 space=mptcp_space_from_win
i spacesk-)
   charuseroptval  _ *)

 /* propagate the rcvbuf changes to all the subflows */
 WRITE_ONCE(sk->sk_rcvbuf, spacejava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 mptcp_for_each_subflow(mptcp_sk(sk), subflow) {
  struct sock * /* subflows must ignore any latency-related settings: will not affect
bool slow;

slow = lock_sock_fast(ssk);
WRITE_ONCE(ssk->sk_rcvbuf, space);
WRITE_ONCE(tcp_sk(ssk)->window_clamp, val);
unlock_sock_fast(ssk, slow);
}
return 0;
}