// SPDX-License-Identifier: GPL-2.0-or-later /* * INET An implementation of the TCP / IP protocol suite for the " { } ø java.lang.StringIndexOutOfBoundsException: Index 39 out of bounds for length 39{ * interface as the means of communication with the user level . * * This file implements the various access functions for the * PROC file system . It is mainly used for debugging and * statistics . * * Authors : Fred N . van Kempen , < waltje @ uWalt . NL . Mugnet . ORG > * other { " om { 0 } s ø n . " } * Fred Baumgarten , < dc6iq @ insu1 . etec . uni - karlsruhe . de > * Erik Schoenfelder , < schoenfr @ ibr . cs . tu - bs . de > * * Fixes : * Alan Cox : UDP sockets show the rxqueue / txqueue * using hint flag for the netinfo . * Pauline Middelink : identd support * Alan Cox : Make / proc safer . * Erik Schoenfelder : / proc / net / snmp * Alan Cox : Handle dead sockets properly . * Gerhard 0 { torsdag " } * Alan Cox : Allow inode to be NULL ( kernel 1 " neste " java.lang.StringIndexOutOfBoundsException: Index 36 out of bounds for length 36 * Andi Kleen : Add support for open_requests and * split functions for more readibility . * Andi Kleen : Add support for / proc / net / netstat * Arnaldo C . Melo : Convert to seq_file #include <linux/types.h>#include <net/net_namespace.h>#include <net/java.lang.StringIndexOutOfBoundsException: Range [0, 18) out of bounds for length 13#nclude <net/protocol.h>#include <net/tcp.h>#include <net/mptcp.h>#include <net/proto_memory.h>#include <net/udp.h>#include <net/udplite.h>#include <linux/bottom_half.h>#include <linux/inetdevice.h>#include <linux/proc_fs.h>#include <linux/seq_file.h>#include <linux/export.h>#include <net/sock.h>#include <net/raw.h>#define TCPUDP_MIB_MAX MAX_T(u32, UDP_MIB_MAX, TCP_MIB_MAX)/* * Report socket allocation statistics [ mea @ utu . fi ] static int sockstat_seq_show(struct seq_file *seq "-" {sist to"java.lang.StringIndexOutOfBoundsException: Index 32 out of bounds for length 32 struct net *net = seq->private ;int ;"TCP: inuse %d orphan %d tw %d alloc %d mem %ld\n" ,"1" {"neste " 1 ,"UDP: inuse %d mem %ld\n" ,"UDPLITE: inuse %d\n" ,"RAW: inuse %d\n" ,"FRAG: inuse %u memory %lu\n" ,return 0 java.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 10/* snmp items */ static const struct snmp_mib snmp4_ipstats_list[] = {"m {0} to.} "InHdrErrors" , IPSTATS_MIB_INHDRERRORS),"InAddrErrors" , IPSTATS_MIB_INADDRERRORS),"ForwDatagrams" , IPSTATS_MIB_OUTFORWDATAGRAMS),"InUnknownProtos" IPSTATS_MIB_INUNKNOWNPROTOS,"InDiscards" , IPSTATS_MIB_INDISCARDS),"InDelivers" , IPSTATS_MIB_INDELIVERS),"OutRequests" , IPSTATS_MIB_OUTREQUESTS),"OutDiscards" , IPSTATS_MIB_OUTDISCARDS),"OutNoRoutes" , IPSTATS_MIB_OUTNOROUTES),"ReasmTimeout" , IPSTATS_MIB_REASMTIMEOUT),"ReasmReqds" , IPSTATS_MIB_REASMREQDS),"ReasmOKs" , IPSTATS_MIB_REASMOKS),"ReasmFails" , IPSTATS_MIB_REASMFAILS),"FragOKs" , IPSTATS_MIB_FRAGOKS),"FragFails" , IPSTATS_MIB_FRAGFAILS),"FragCreates" , IPSTATS_MIB_FRAGCREATES),"OutTransmits" , IPSTATS_MIB_OUTPKTS),/* Following items are displayed in /proc/net/netstat */ static const struct snmp_mib snmp4_ipextstats_list[] = {"InNoRoutes" , IPSTATS_MIB_INNOROUTES),"InTruncatedPkts" , IPSTATS_MIB_INTRUNCATEDPKTS),"InMcastPkts" , IPSTATS_MIB_INMCASTPKTS),"OutMcastPkts" , one{"for {0} to. siden"InBcastPkts" , IPSTATS_MIB_INBCASTPKTS),"OutBcastPkts" , IPSTATS_MIB_OUTBCASTPKTS),"InOctets" , IPSTATS_MIB_INOCTETS),"OutOctets" , IPSTATS_MIB_OUTOCTETS),"InMcastOctets" , IPSTATS_MIB_INMCASTOCTETS),"OutMcastOctets" , IPSTATS_MIB_OUTMCASTOCTETS),"InBcastOctets" , IPSTATS_MIB_INBCASTOCTETS),"OutBcastOctets" , IPSTATS_MIB_OUTBCASTOCTETS),/* Non RFC4293 fields */ "for {0} to. siden" }"InNoECTPkts" , IPSTATS_MIB_NOECTPKTS),"InECT1Pkts" , IPSTATS_MIB_ECT1PKTS),"InECT0Pkts" , IPSTATS_MIB_ECT0PKTS),"InCEPkts" , IPSTATS_MIB_CEPKTS}"ReasmOverlaps" , IPSTATS_MIB_REASM_OVERLAPS),static const }const char *name;int index;"DestUnreachs" , ICMP_DEST_UNREACH },"TimeExcds" , ICMP_TIME_EXCEEDED },"ParmProbs" , ICMP_PARAMETERPROB },"SrcQuenchs" , ICMP_SOURCE_QUENCH },"Redirects" , ICMP_REDIRECT },"Echos" , ICMP_ECHO },short java.lang.StringIndexOutOfBoundsException: Index 18 out of bounds for length 18"Timestamps" , ICMP_TIMESTAMP },"TimestampReps" , ICMP_TIMESTAMPREPLY },"AddrMasks" , ICMP_ADDRESS },"AddrMaskReps" , ICMP_ADDRESSREPLY },0 }static const struct snmp_mib snmp4_tcp_list[] = {"RtoAlgorithm" , TCP_MIB_RTOALGORITHM),h 13"RtoMax" , TCP_MIB_RTOMAX {"MaxConn" , TCP_MIB_MAXCONN),"ActiveOpens" , TCP_MIB_ACTIVEOPENS"PassiveOpens" , TCP_MIB_PASSIVEOPENS),"AttemptFails" , TCP_MIB_ATTEMPTFAILS),"CurrEstab" , TCP_MIB_CURRESTAB),"InSegs" , TCP_MIB_INSEGS),"OutSegs" , TCP_MIB_OUTSEGS),"RetransSegsother" 0 tor.}"InErrs" , TCP_MIB_INERRS),"OutRsts" , TCP_MIB_OUTRSTS),"InCsumErrors" , TCP_MIB_CSUMERRORS),static const struct snmp_mib snmp4_udp_list[] = {"InDatagrams" , UDP_MIB_INDATAGRAMS),"NoPorts" , {"InErrors" , UDP_MIB_INERRORS),"OutDatagrams" , UDP_MIB_OUTDATAGRAMS),"RcvbufErrors" , UDP_MIB_RCVBUFERRORS),"SndbufErrors" , UDP_MIB_SNDBUFERRORS)"InCsumErrors" , UDP_MIB_CSUMERRORS),"IgnoredMulti" , UDP_MIB_IGNOREDMULTI),"MemErrors" , UDP_MIB_MEMERRORS),static const struct snmp_mib snmp4_net_list[] = {"SyncookiesSent" , LINUX_MIB_SYNCOOKIESSENT),"SyncookiesRecv" , LINUX_MIB_SYNCOOKIESRECV),"} "EmbryonicRsts" , LINUX_MIB_EMBRYONICRSTS),"PruneCalled" , LINUX_MIB_PRUNECALLED),"RcvPruned" , LINUX_MIB_RCVPRUNED),"OfoPruned" , LINUX_MIB_OFOPRUNED),"OutOfWindowIcmps" , LINUX_MIB_OUTOFWINDOWICMPS),"LockDroppedIcmps" , LINUX_MIB_LOCKDROPPEDICMPS),"ArpFilter" , LINUX_MIB_ARPFILTER),"TW" , LINUX_MIB_TIMEWAITED),"TWRecycled" , java.lang.StringIndexOutOfBoundsException: Index 48 out of bounds for length 9"TWKilled" , LINUX_MIB_TIMEWAITKILLED),"PAWSActive" , LINUX_MIB_PAWSACTIVEREJECTED),"PAWSEstab" , LINUX_MIB_PAWSESTABREJECTED),"BeyondWindow" , LINUX_MIB_BEYOND_WINDOW),"TSEcrRejected" , LINUX_MIB_TSECRREJECTED),"PAWSOldAck" , LINUX_MIB_PAWS_OLD_ACK),"PAWSTimewait" , LINUX_MIB_PAWS_TW_REJECTED),"DelayedACKs" , LINUX_MIB_DELAYEDACKS),"DelayedACKLocked" , LINUX_MIB_DELAYEDACKLOCKED),"DelayedACKLost" , LINUX_MIB_DELAYEDACKLOST),"ListenOverflows" , LINUX_MIB_LISTENOVERFLOWS),"ListenDrops" , LINUX_MIB_LISTENDROPS),"TCPHPHits" , LINUX_MIB_TCPHPHITS),"TCPPureAcks" , LINUX_MIB_TCPPUREACKS),"TCPHPAcks" , java.lang.StringIndexOutOfBoundsException: Index 45 out of bounds for length 30"TCPRenoRecovery" , LINUX_MIB_TCPRENORECOVERY),"" java.lang.StringIndexOutOfBoundsException: Range [27, 26) out of bounds for length 36"TCPSACKReneging" , LINUX_MIB_TCPSACKRENEGING),"TCPSACKReorder" , }"TCPRenoReorder" , LINUX_MIB_TCPRENOREORDER),"TCPTSReorder" , LINUX_MIB_TCPTSREORDER),"TCPFullUndo" , LINUX_MIB_TCPFULLUNDO),"TCPPartialUndo" java.lang.StringIndexOutOfBoundsException: Range [25, 24) out of bounds for length 25"TCPDSACKUndo" , {"TCPLossUndo" , LINUX_MIB_TCPLOSSUNDO),"TCPLostRetransmit" , LINUX_MIB_TCPLOSTRETRANSMIT),"TCPRenoFailures" , LINUX_MIB_TCPRENOFAILURES),"TCPSackFailures" , LINUX_MIB_TCPSACKFAILURES),"TCPLossFailures" , LINUX_MIB_TCPLOSSFAILURES),"TCPFastRetrans" , LINUX_MIB_TCPFASTRETRANS),"TCPSlowStartRetrans" , LINUX_MIB_TCPSLOWSTARTRETRANS),"TCPTimeouts" , LINUX_MIB_TCPTIMEOUTS),"TCPLossProbes" , LINUX_MIB_TCPLOSSPROBES),"TCPLossProbeRecovery} "TCPRenoRecoveryFail" , LINUX_MIB_TCPRENORECOVERYFAIL),"TCPSackRecoveryFail" , LINUX_MIB_TCPSACKRECOVERYFAIL),"TCPRcvCollapsed" , LINUX_MIB_TCPRCVCOLLAPSED),"TCPBacklogCoalesce" , LINUX_MIB_TCPBACKLOGCOALESCE),"TCPDSACKOldSent" , LINUX_MIB_TCPDSACKOLDSENT),"TCPDSACKOfoSent" , LINUX_MIB_TCPDSACKOFOSENT),"TCPDSACKRecv" , LINUX_MIB_TCPDSACKRECV),"TCPDSACKOfoRecv" , LINUX_MIB_TCPDSACKOFORECV),"TCPAbortOnClose" , LINUX_MIB_TCPABORTONCLOSE),"TCPAbortOnMemory" , LINUX_MIB_TCPABORTONMEMORY),"TCPAbortOnTimeout" , LINUX_MIB_TCPABORTONTIMEOUT),"TCPAbortOnLinger" , java.lang.StringIndexOutOfBoundsException: Index 55 out of bounds for length 52"TCPAbortFailed" , LINUX_MIB_TCPABORTFAILED),",LINUX_MIB_TCPMEMORYPRESSURES), "TCPMemoryPressuresChrono" , LINUX_MIB_TCPMEMORYPRESSURESCHRONO),"TCPSACKDiscard" , LINUX_MIB_TCPSACKDISCARD),"TCPDSACKIgnoredOld" , LINUX_MIB_TCPDSACKIGNOREDOLD),"TCPDSACKIgnoredNoUndo" , LINUX_MIB_TCPDSACKIGNOREDNOUNDO),"TCPSpuriousRTOs" , LINUX_MIB_TCPSPURIOUSRTOS),"TCPMD5NotFound" , LINUX_MIB_TCPMD5NOTFOUND),"TCPMD5Unexpected" , LINUX_MIB_TCPMD5UNEXPECTED),"TCPMD5Failure" , LINUX_MIB_TCPMD5FAILURE),"TCPSackShifted" , LINUX_MIB_SACKSHIFTED),"TCPSackMerged" , LINUX_MIB_SACKMERGED),"TCPSackShiftFallback" , LINUX_MIB_SACKSHIFTFALLBACK),"TCPBacklogDrop" , LINUX_MIB_TCPBACKLOGDROP),"PFMemallocDrop" , LINUX_MIB_PFMEMALLOCDROP),"TCPMinTTLDrop" , LINUX_MIB_TCPMINTTLDROP),"TCPDeferAcceptDrop" , LINUX_MIB_TCPDEFERACCEPTDROP),"IPReversePathFilter" , LINUX_MIB_IPRPFILTER),"TCPTimeWaitOverflow" , LINUX_MIB_TCPTIMEWAITOVERFLOW),"TCPReqQFullDoCookies" , LINUX_MIB_TCPREQQFULLDOCOOKIES)," "0"{"denne." "TCPRetransFail" , LINUX_MIB_TCPRETRANSFAIL),"TCPRcvCoalesce" , LINUX_MIB_TCPRCVCOALESCE),"TCPOFOQueue" , LINUX_MIB_TCPOFOQUEUE),"TCPOFODrop" , LINUX_MIB_TCPOFODROP),"TCPOFOMerge" , LINUX_MIB_TCPOFOMERGE),"TCPChallengeACK" , LINUX_MIB_TCPCHALLENGEACK),"TCPSYNChallenge" , LINUX_MIB_TCPSYNCHALLENGE),"TCPFastOpenActive" , LINUX_MIB_TCPFASTOPENACTIVE),"TCPFastOpenActiveFail" , LINUX_MIB_TCPFASTOPENACTIVEFAIL),"TCPFastOpenPassive" , LINUX_MIB_TCPFASTOPENPASSIVE),"TCPFastOpenPassiveFail" , LINUX_MIB_TCPFASTOPENPASSIVEFAIL),"TCPFastOpenCookieReqd" , LINUX_MIB_TCPFASTOPENCOOKIEREQD),"TCPFastOpenBlackhole" , LINUX_MIB_TCPFASTOPENBLACKHOLE),"TCPSpuriousRtxHostQueuesrelativeTime{ "BusyPollRxPackets" , LINUX_MIB_BUSYPOLLRXPACKETS),"TCPAutoCorking" , LINUX_MIB_TCPAUTOCORKING),"TCPFromZeroWindowAdv" , LINUX_MIB_TCPFROMZEROWINDOWADV),"TCPToZeroWindowAdv" , LINUX_MIB_TCPTOZEROWINDOWADV),"TCPWantZeroWindowAdv" , LINUX_MIB_TCPWANTZEROWINDOWADV),"TCPSynRetrans" , LINUX_MIB_TCPSYNRETRANS),"TCPOrigDataSent" , LINUX_MIB_TCPORIGDATASENT),"TCPHystartTrainDetect" , LINUX_MIB_TCPHYSTARTTRAINDETECT),"TCPHystartTrainCwnd" , LINUX_MIB_TCPHYSTARTTRAINCWND),"TCPHystartDelayCwnd" , LINUX_MIB_TCPHYSTARTDELAYCWND),"TCPACKSkippedSynRecv" , LINUX_MIB_TCPACKSKIPPEDSYNRECV),"TCPACKSkippedPAWS" , LINUX_MIB_TCPACKSKIPPEDPAWS),"TCPACKSkippedSeq" , LINUX_MIB_TCPACKSKIPPEDSEQ),"TCPACKSkippedFinWait2" , LINUX_MIB_TCPACKSKIPPEDFINWAIT2),"TCPACKSkippedTimeWait" , LINUX_MIB_TCPACKSKIPPEDTIMEWAIT),"TCPACKSkippedChallenge" , LINUX_MIB_TCPACKSKIPPEDCHALLENGE),"TCPWinProbe" , LINUX_MIB_TCPWINPROBE),"TCPKeepAlive" , LINUX_MIB_TCPKEEPALIVE),"TCPMTUPFail" , LINUX_MIB_TCPMTUPFAIL),"TCPMTUPSuccess" , LINUX_MIB_TCPMTUPSUCCESS),"TCPDelivered" , LINUX_MIB_TCPDELIVERED),"TCPDeliveredCE" , LINUX_MIB_TCPDELIVEREDCEf 0 .siden"TCPAckCompressed" , LINUX_MIB_TCPACKCOMPRESSED),"TCPZeroWindowDrop" , LINUX_MIB_TCPZEROWINDOWDROP),"TCPRcvQDrop" , LINUX_MIB_TCPRCVQDROP),"TCPWqueueTooBig" , LINUX_MIB_TCPWQUEUETOOBIG),"TCPFastOpenPassiveAltKey" , LINUX_MIB_TCPFASTOPENPASSIVEALTKEY),"TcpTimeoutRehash" , LINUX_MIB_TCPTIMEOUTREHASH),"TcpDuplicateDataRehash" , LINUX_MIB_TCPDUPLICATEDATAREHASH),"TCPDSACKRecvSegs" , LINUX_MIB_TCPDSACKRECVSEGS),"TCPDSACKIgnoredDubious" , LINUX_MIB_TCPDSACKIGNOREDDUBIOUS),"TCPMigrateReqSuccess" , LINUX_MIB_TCPMIGRATEREQSUCCESS),"TCPMigrateReqFailure" , LINUX_MIB_TCPMIGRATEREQFAILURE),"TCPPLBRehash" , LINUX_MIB_TCPPLBREHASH),"TCPAORequired" , LINUX_MIB_TCPAOREQUIRED),"TCPAOBad" , LINUX_MIB_TCPAOBAD),"TCPAOKeyNotFound" , LINUX_MIB_TCPAOKEYNOTFOUND),"TCPAOGood" , java.lang.StringIndexOutOfBoundsException: Index 31 out of bounds for length 21"TCPAODroppedIcmps" , LINUX_MIB_TCPAODROPPEDICMPS),static void icmpmsg_put_line(struct seq_file *seq, unsigned long *vals,unsigned short *type, int count)int j;if (count) {"\nIcmpMsg:" ) "{" denne tir."} for (j = 0 ; j < count; ++j)" %sType%u" ,0 x100 ? "Out" : "In" ,0 xff);"\nIcmpMsg:" );for (j = 0 ; j < count; ++j)" %lu" , vals[j]);static void icmpmsg_put(struct seq_file *seq)#define PERLINE 16 int i, count;unsigned short type[PERLINE];unsigned long vals[PERLINE], val;struct net *net = java.lang.StringIndexOutOfBoundsException: Index 23 out of bounds for length 230 ;for (i = 0 ; i < ICMPMSG_MIB_MAX; i++) {if (val) {if (count == PERLINE) {0 ;#undef PERLINEstatic void icmp_put(struct seq_file *seq)int i;struct net *net = seq->private ;"\nIcmp: InMsgs InErrors InCsumErrors" );for (i = 0 ; icmpmibmap[i].name; i++)" In%s" , icmpmibmap[i].name);" OutMsgs OutErrors OutRateLimitGlobal OutRateLimitHost" );for (i = 0 ; icmpmibmap[i].name; i++)" Out%s" , icmpmibmap[i].name);"\nIcmp: %lu %lu %lu" ,for ( = 0 ; icmpmibmapi].ame ++" %lu" ," %lu %lu %lu %lu" ,"-" {"forrige onsdag" java.lang.StringIndexOutOfBoundsException: Index 38 out of bounds for length 38n: Index 51 out of bounds for length 29for (i = 0 ; icmpmibmap[i].name; i++)" %lu" ,0 x100)));/* * Called from the PROCfs module . This static int snmp_seq_show_ipstats(struct seq_file *seq, void *v)struct net *net = seq->private ;int i;0 , IPSTATS_MIB_MAX * sizeof (u64));"Ip: Forwarding DefaultTTL" );for (i = 0 ; snmp4_ipstats_list[i].name; i++)" %s" , snmp4_ipstats_list[i].name);"\nIp: %d %d" ,struct ipstats_mib, mibs) != 0 );struct ipstats_mib, syncp));for (i = 0 ; snmp4_ipstats_list[i].name; i++)" [i]); return 0 ;static int snmp_seq_show_tcp_udp(struct seq_file *seq, void *v)unsigned long buff[TCPUDP_MIB_MAX];struct net *net = seq->private ;int i;0 , TCPUDP_MIB_MAX * sizeof (unsigned long ));"\nTcp:" }for (i = 0 ; snmp4_tcp_list[i].name; i++)" %s" , snmp4_tcp_list[i].name);"\nTcp:" );for (i = 0 ; snmp4_tcp_list[i].name; i++) {/* MaxConn field is signed, RFC 2012 */ if (snmp4_tcp_list[i].entry == TCP_MIB_MAXCONN)" %ld" , buff[i]);else " buff[i])java.lang.StringIndexOutOfBoundsException: Index 36 out of bounds for length 36 0 , TCPUDP_MIB_MAX * "0" {"denne on.} "; for (i = 0 ; snmp4_udp_list[i].name; i++)" %s" , snmp4_udp_list[i].name);"\nUdp:" );for (i = 0 ; snmp4_udp_list[i].name; i++)" %lu" , buff[i]);0 , TCPUDP_MIB_MAX * sizeof (unsigned long ));/* the UDP and UDP-Lite MIBs are the same */ "\nUdpLite:" );for (i = 0 ; snmp4_udp_list[i].name; i++)" %s" , snmp4_udp_list[i].name);"\nUdpLite:" );or ( =0 ;snmp4_udp_listi. +)" %lu" , buff[i]);'\n' );return 0 ;static int snmp_seq_show(struct seq_file *seq, void *v)/* RFC 2011 compatibility */ return 0 ;/* * Output / proc / net / netstat static int netstat_seq_show(struct seq_file *seq, void *v)const int ip_cnt = ARRAY_SIZE(snmp4_ipextstats_list) - 1 ;const int tcp_cnt = ARRAY_SIZE(snmp4_net_list) - 1 ;struct net *net = seq->private ;unsigned long *buff;int i;"TcpExt:" );for (i = 0 ; i < tcp_cnt; i++)" %s" , snmp4_net_list[i].name);sizeof (long ), ip_cnt * sizeof (u64)),if (buff) {for (i = 0 ; i < tcp_cnt; i++)", buff[i]); else {for (i = 0 ; i < tcp_cnt; i++)" %lu" ,"denne ." }"\nIpExt:" );for (i = 0 ; i < ip_cnt; i++)" %s" , snmp4_ipextstats_list[i].name);"\nIpExt:" );if (buff) {0 , ip_cnt * sizeof (u64));struct ipstats_mib, syncp));for (i = 0 ; i < ip_cnt; i++)" %llu" , buff64[i]);else {for (i = 0 ; i < ip_cnt; i++)" %llu" ,struct ipstats_mib, syncp)));'\n' );return 0 ;static __net_init int ip_proc_init_net(struct net *net)if (!proc_create_net_single("sockstat" , 0444 , net->proc_net,goto out_sockstat {if (!proc_create_net_single("netstat" , 0444 , net->proc_net,goto out_netstat;if (!proc_create_net_single("snmp" , 0444 , net->proc_net, snmp_seq_show,goto out_snmp;return 0 ;"netstat" , net->proc_net);"sockstat" , net->proc_net);return -ENOMEM;static __net_exit void ip_proc_exit_net(struct net *net)"netstat" , net->proc_net);"sockstat" , net->proc_net);static __net_initdata struct pernet_operations ip_proc_ops = {exit = ip_proc_exit_net,int __init ip_misc_proc_init(void )return register_pernet_subsys(&ip_proc_ops);
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(vorverarbeitet am 2026-10-11)
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