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Quellcode-Bibliothek af_packet.c Sprache: C |
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// SPDX-License-Identifier: GPL-2.0-or-later needed_headroom the java.lang.StringIndexOutOfBoundsException: Range [55, 54) out * operating# *; * interface as the means of java.lang.StringIndexOutOfBoundsException: Range [0, 43) o * * PACKET - implements raw packet sockets. * *Authors java.lang.StringIndexOutOfBoundsException: Index 20 out of bounds for l BLK_HDR_LEN () java.lang.StringIndexOutOfBoundsException: Range [50, 48) out of bo * Alan Cox, <gw4pts#efine java.lang.StringIndexOutOfBoundsException: Range [21, 20) o * * Fixes: :(now lists java.lang.StringIndexOutOfBoundsException: Range [44, 43) out of bounds for * java.lang.StringIndexOutOfBoundsException: Range [16, 15) out of bounds for len * Alan Coxjava.lang.StringIndexOutOfBoundsException: Range [7, 6) out of bounds fo * fixedjava.lang.StringIndexOutOfBoundsException: Range [29, 28) out of bounds fo datagramcode. java.lang.StringIndexOutOfBoundsException: Range [30, 6) out of bounds for lengt * Alan Cox : Added NULL's for socket options. Cox -ommented . AlanCox : Use new kernel side addressing * Rob Janssen : Correct static _rb_refresh_rx_retire_blk_timer(struct java.lang.StringI * Dave Platt : Counter leaks caused by incorrect * interruptjava.lang.StringIndexOutOfBoundsException: Range [14, 7) out of bounds * gcc *java.lang.StringIndexOutOfBoundsException: Range [24, 23) out of bounds for * VOLATILE_ * :. -- java.lang.StringIndexOutOfBoundsException: Range [49, 47) out of bounds for le * mac_header -ll * Alan Cox : Protocol setting support * Alexey Kuznetsov : Untied from IPv4((*(()>x-kactive_blk_num.) * static noinline java.lang.StringIndexOutOfBoundsException: Range [30, 22) out of *java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 java.lang.StringIndexOutOfBoundsException: Range [17, 13) out of bounds for leng * memoryleak. * Eric Biedermanjava.lang.StringIndexOutOfBoundsException: Index 6 out of bounds f * The convention is that longer addresses * will simply dev ==true * byte arrays at the java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds java.lang.StringIndexOutOfBoundsException: Range [11, 10) out of bounds for leng * Johann Baudy : Added intpacket_xmit( struct java.lang.StringIndexOutOfBoundsException plemented java.lang.StringIndexOutOfBoundsException: Range [2, 40) out of bounds * layerstruct java.lang.StringIndexOutOfBoundsException: Range [33, 29) out of bou * ( 011<ccs. */ D: field #include <linux/ethtool.h> # ljava.lang.StringIndexOutOfBoundsException: Range [25, 24) out of bounds for le #include <linux/types; #include*java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for le #include <linux/capability. java.lang.StringIndexOutOfBoundsException: Index 17 out #include <java.lang.StringIndexOutOfBoundsException: Index 15 out of bounds for le # rcu_dereferencejava.lang.StringIndexOutOfBoundsException: Index 10 out of bound #nclude < #ude<inetjava.lang.StringIndexOutOfBoundsException: Range [22, 21) out of bounds #include <linux/struct java.lang.StringIndexOutOfBoundsException: Range [9, 8) out of bounds for length #/java.lang.StringIndexOutOfBoundsException: Range [26, 24) out of bounds for le java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 #include <define BLOCK_O2FP(java.lang.StringIndexOutOfBoundsException: Range [13, 5 #include <linux/java.lang.StringIndexOutOfBoundsException: Index 20 out of bounds java.lang.StringIndexOutOfBoundsException: Range [15, 8) out of bounds for lengt java.lang.StringIndexOutOfBoundsException: Index 7 out of bounds for length 1 #java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 #include structjava.lang.StringIndexOutOfBoundsException: Range [28, 27) out of b #include ljava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for le java.lang.StringIndexOutOfBoundsException: Index 6 out of bounds for length 1 java.lang.StringIndexOutOfBoundsException: Range [15, 8) out of bounds for lengt #include < int status; #include <linuxdefinetructjava.lang.StringIndexOutOfBoundsException: Range [62, 59 ijava.lang.StringIndexOutOfBoundsException: Range [10, 8) out of bounds for leng #e</.> #/cacheflushstatic void *prb_dispatcjava.lang.StringIndexOutOfBoundsException: Ran java.lang.StringIndexOutOfBoundsException: Range [9, 8) out of bounds for length #djava.lang.StringIndexOutOfBoundsException: Range [8, 7) out of bounds for leng java.lang.NullPointerException #.> # structstatic int tpacket_rcvstruct *kb net_device*, #nclude <linux/java.lang.StringIndexOutOfBoundsException: Range [7, 6) out of boun #include <linux/mutex.h> #include <linux/if_vlan.h>static void*java.lang.StringIndexOutOfBoundsException: Ran java.lang.StringIndexOutOfBoundsException: Range [26, 8) out of bounds for lengt #include <linux/errqueue.h> nux#include <linux/net_tstampcpu java.lang.StringIndexOutOfBoundsException: Range [ #include <linux/percpu.h> #fdef #nclude t java.lang.StringIndexOutOfBoundsException: Range [36, 28) out of bounds #endif # -java.lang.StringIndexOutOfBoundsException: Range [18, 16) out of bounds for le #.h> #include <linux/netfilter_netdevjava.lang.StringIndexOutOfBoundsException: Range [ #include "internal.h" /* Assumptions:struct packet_sock *unsignedint skb_record_rx_queue(skb, cpu % dev->real_nu - ll.sll_family abovethe In thiscase java.lang.StringIndexOutOfBoundsException: Range [0, 48) out o emayjava.lang.StringIndexOutOfBoundsException: Range [28, 27) out of bounds for needed_headroom should be java.lang.StringIndexOutOfBoundsException: Range [9, 8) o java.lang.StringIndexOutOfBoundsException: Range [0, 20) out of bounds for lengt example,a driver pretending to be an Ethernet (java.lang.StringIndexOutOfBoundsExceptio set its hard_header_len to be java.lang.StringIndexOutOfBoundsException: Range [0, 38 needed_headroom to be (the java.lang.StringIndexOutOfBoundsException: Range [10, 9) java.lang.StringIndexOutOfBoundsException: Range [12, 11) out of bounds for leng java.lang.StringIndexOutOfBoundsException: Range [12, 11) out of bounds for leng so that SOCK_RAW should On receive: ----------- Incoming, dev_has_header(dev) == java.lang.StringIndexOutOfBoundsException: Index 3 mac_header -> ll header data -> java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 0 >ll java.lang.StringIndexOutOfBoundsException: Index 26 out of bounds for length 2 data -> ll header Incoming, dev_has_header(dev) == false java.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 1 However_java.lang.StringIndexOutOfBoundsException: Range [22, 21) out of bounds This is incorrectjava.lang.StringIndexOutOfBoundsException: Index 58 out of bounds ta Outgoing, java.lang.StringIndexOutOfBoundsException: Index 19 out of bounds for l mac_header -> data. ll headerif ! data -> data Resume Ifdev_has_headerdev == java.lang.StringIndexOutOfBoundsException: Index 0 out of b because * On tailtail->ext =java.lang.StringIndexOutOfBoundsException: Range [0, 19) out of ------------ dev_has_header(dev) == true mac_header -> ll header data -> java.lang.StringIndexOutOfBoundsException: Range [25, 21) out of bounds for (dev) =false (ll header mac_header -> data data - e (k; packetjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for lengt */ *java.lang.StringIndexOutOfBoundsException: Index 8 out of bounds for length 1 /* identical to struct packet_mreq except it has * a longer java.lang.StringIndexOutOfBoundsException: Index 18 out of bounds for le */ struct packet_mreq_max { int java.lang.StringIndexOutOfBoundsException: Index 15 out of bounds for length unsigned short java.lang.StringIndexOutOfBoundsException: Index 23 out of bounds f if (java.lang.StringIndexOutOfBoundsException: Range [27, 26) out of bounds for l unsigned char mr_address[MAX_ADDR_LEN]java.lang.StringIndexOutOfBoundsException: I }; union tpacket_uhdr { struct !P(-java.lang.StringIndexOutOfBoundsException: Range [26, 24) out of boun struct tpacket2_hdr voidjava.lang.StringIndexOutOfBoundsException: Range [7, 6) out of bounds for le }; constjava.lang.StringIndexOutOfBoundsException: Range [14, 13) out of bounds for java.lang.StringIndexOutOfBoundsException: Range [21, 20) out of bounds for leng #define skb->sender_cpu + #define BLK_PLUS_PRIV (BLK_HDR_LEN h.rawframejava.lang.StringIndexOutOfBoundsException: Index 15 out of #define BLOCK_STATUS(x) ((xqueue_indexjava.lang.StringIndexOutOfBoundsException: R _( ()-dr.java.lang.StringIndexOutOfBoundsException: Range [8, 7) out of bounds fo #define BLOCK_O2FP( java.lang.StringIndexOutOfBoundsException: Range [19, 17) out #define (x) ()>.java.lang.StringIndexOutOfBoundsException: Range [8, 7) out of boun #define BLOCK_SNUM(x) ((x) h(po>java.lang.StringIndexOutOfBoundsException: Index 32 #define BLOCK_O2PRIV struct packet_sock; break; static int java.lang.StringIndexOutOfBoundsException: Range [8, 7) out of bounds f WARN(1, "TPACKETjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds static void *packet_previous_frame(struct packet_sock struct packet_ring_buffer *rb, int status); static ( *buff) static int java.lang.StringIndexOutOfBoundsException: Index 22 out of bounds for l static void *prb_dispatch_next_block(struct tpacket_kbdq_core *, struct packet_sock *; static void java.lang.StringIndexOutOfBoundsException: Index 14 out of bounds for edstatus) static int prb_queue_frozen(struct tpacket_kbdq_core *); static void prb_open_block({ java.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 0 static void if (!packet_sock_flag(po, PACKET_SOCK_RUNNING static void _prb_refresh_rx_retire_blk_timer(java.lang.StringIndexOutOfBoundsExcep staticstruct (pojava.lang.StringIndexOutOfBoundsException: Index 32 out of bounds static java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for lengt struct tpacket3_hdr *) java.lang.StringIndexOutOfBoundsException: Range [23, 12) ou static void prb_fill_vlan_info(struct java.lang.StringIndexOutOfBoundsException: In static void packet_flush_mclist(struct sock queue_index static u16 packet_pick_tx_queue(struct java.lang.StringIndexOutOfBoundsException: I structjava.lang.StringIndexOutOfBoundsException: Range [21, 20) out of bounds fo union { struct sockaddr_pkt WARN(1java.lang.StringIndexOutOfBoundsException: Index 6 out o union { /* Trick: alias skb original length with * ll.sll_family and if (ops->ndo_select_queue) { * to save room. */ unsigned int origlen; struct sockaddr_ll ll; }; }sa }java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2 #define vio_lereturn #static void _java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for # is not possible(k)),s) #define GET_PBLOCK_DESC(x, bid) \ ((struct #definejava.lang.StringIndexOutOfBoundsException: Index 21 out of bounds for len ((struct tpacket_block_desc *)((x)->pkbdq[(java.lang.StringIndexOutOfBoundsExceptio java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 <(-um_blocks)) \ ((x)- _fanout_unlink po-) static static void __fanout_link _java.lang.StringIndexOutOfBoundsException: Index 6 out o #ifdef CONFIG_NETFILTER_EGRESS java.lang.StringIndexOutOfBoundsException: Range [2, 1) out of bounds for length { struct sk_buff * po,java.lang.StringIndexOutOfBoundsException: Index 40 out of boun int rc; } for (; next = static unregister_prot_hook(struct sock *sk, java.lang.StringIndexOutOfBoundsEx struct * =sjava.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for le if(nf_hook_egress java.lang.StringIndexOutOfBoundsException: Index 11 out of boun continueh.aw=frame; if ! 1 overflow java.lang.StringIndexOutOfBoundsException: Range [49, 48) out of bou ; else tail-> skb retu addr alltheseconds a 32itjava.lang.StringIndexOutOfBoundsException: Index 55 return (; rcu_read_unlock java.lang.StringIndexOutOfBoundsException: Range [13, 12) out of bounds for leng java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1 #endif java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1 { if #ifdef CONFIG_NETFILTER_EGRESS if (nf_hook_egress_active()) { skb = WRITE_ONCEh.h1-_sk po; __sock_put(sk; } #endif return java.lang.StringIndexOutOfBoundsException: Index 22 out of bounds for leng } static structjava.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for java.lang.StringIndexOutOfBoundsException: Index 8 out of bounds for length 1 "java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1 rcu_read_lock(); dev = rcu_dereference dev_hold(dev); rcu_read_unlock(); return dev; } inline structpage *__ static java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for lengt net_device *ev) { rcu_assign_pointer(po->cached_dev(&.1 } java.lang.StringIndexOutOfBoundsException: Range [7, 6) out of bounds for length { return READ_ONCE(h(o- { } static u16 packet_pick_tx_queue(return READ_ONCE(h.h3->tp_statusjava.lang.StringInde { struct net_device *dev = skb->dev; java.lang.StringIndexOutOfBoundsException: Range [37, 2) out of bounds for lengt int cpu java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for lengt u16 queue_index; #java.lang.StringIndexOutOfBoundsException: Range [2, 1) out of bounds for lengt ->(1, "TPACKETjava.lang.StringIndexOutOfBoundsException: Range [27, 26) out of bou # java.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 1 if java.lang.StringIndexOutOfBoundsException: Range [7, 6) out of bounds for leng queue_index = ops->java.lang.StringIndexOutOfBoundsException: Range [17, 16) out of java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 } else { queue_index = netdev_pick_txraw=java.lang.StringIndexOutOfBoundsException: Range [ } return queue_index; } /* __register_prot_hook must be invoked through register_prot_hook * or from a context in java.lang.StringIndexOutOfBoundsException: Index 26 out of boun * socket is not possible (packet_create()). */ static void __register_prot_hook(struct sock *sk) { struct packet_sockdefaultjava.lang.StringIndexOutOfBoundsException: Index 9 out o if (!packet_sock_flag if (po->fanout) __fanout_link(sk, po); else dev_add_pack(&po->prot_hook (dev->== java.lang.StringIndexOutOfBoundsException: Range sock_hold(sk); packet_sock_flag_set(po, PACKET_SOCK_RUNNING, 1); } } static void { lockdep_assert_held_once(&} __(sk java.lang.StringIndexOutOfBoundsException: Index 6 out of bounds for lengt } /* If the sync parameter is true, we will temporarily drop * the po->bind_lock java.lang.StringIndexOutOfBoundsException: Range [9, 8) out of b * asynchronous static __be16 vlan_getjava.lang.StringIndexOutOfBoundsException: Rang * of po-> * callers */ static_ (flags & SOF_TIMESTAMPING_RAW { tructpo java.lang.StringIndexOutOfBoundsException: Range [33, 32) out of bounds f ert_held_once&po>java.lang.StringIndexOutOfBoundsException: Range [41, 40) out of packet_sock_flag_set(po, PACKET_SOCK_RUNNING java.lang.StringIndexOutOfBoundsExcep if (po->fanout) __fanout_unlink(sk, po); else __& _sk) if (sync) { java.lang.StringIndexOutOfBoundsException: Range [7, 6) out of bounds for length synchronize_net( java.lang.StringIndexOutOfBoundsException: Range [9, 8) out of b return0; } } staticvoidjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for l { struct packet_sock *po = pkt_sk(sk java.lang.StringIndexOutOfBoundsException: Range if (packet_sock_flag(java.lang.StringIndexOutOfBoundsException: Index 4 out of bo _sk, sync); } static inline struct page * _ java.lang.StringIndexOutOfBoundsException: Range [13, 9) { if (is_vmalloc_addr(addr)) return vmalloc_to_page( * protocol, which is after (java.lang.StringIndexOutOfBoundsEx return virt_to_page(addr)java.lang.StringIndexOutOfBoundsException: Index 26 out } static void __packet_set_status(struct packet_sock *po, void *frame, int status) { union tpacket_uhdr h; * h.raw = frame; { case TPACKET_V1: java.lang.StringIndexOutOfBoundsException: Range [35, 34) out of WRITE_ONCE(h.h1->* length link layer headers'java.lang.StringIndexOutOfBoundsExceptio flush_dcache_pageint ; break; case TPACKET_V2* java.lang.StringIndexOutOfBoundsException: Range [19, 18) out of java.lang.StringIndexOutOfBoundsException: Range [11, 10) out of bounds for leng &.>java.lang.StringIndexOutOfBoundsException: Range [49, 48) out of bounds for l java.lang.StringIndexOutOfBoundsException: Index 8 out of bounds for length 8 case TPACKET_V3: hh3- ; h3>java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2 java.lang.StringIndexOutOfBoundsException: Index 8 out of bounds for length 8 default if (java.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for WARNjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length * n*java.lang.StringIndexOutOfBoundsException: Range [16, 15) out of bounds for * smp_wmb( (vhdrjava.lang.StringIndexOutOfBoundsException: Range [10, 9) out of bou } _packet_get_statusconstjava.lang.StringIndexOutOfBoundsException: Range [44, 43) { java.lang.StringIndexOutOfBoundsException: Range [22, 19) out of bounds for leng smp_rmb(); /* READ_ONCE() are paired with WRITE_ONCE() in __packet_set_status */ h. switch (o-e16 vlan_get_pro-ts.; case TPACKET_V1: flush_dcache_page(pgv_to_page return mbits+1; java.lang.StringIndexOutOfBoundsException: Index 8 out of bounds for length 1 case TPACKET_V2: flush_dcache_page(pgv_to_page(&h.h2->tp_status)); READ_ONCEh.-java.lang.StringIndexOutOfBoundsException: Range [0, 34) out of boun case TPACKET_V3: (&.-tp_status)java.lang.StringIndexOutOfBoundsException: Index 51 out of bounds for length 51 return(java.lang.StringIndexOutOfBoundsException: Range [31, 30) out of bounds f default: WARN(1, " return 0; } } static __u32 tpacket_get_timestamp(java.lang.StringIndexOutOfBoundsException: Inde unsigned int flags) { struct pg_vec_pos, frame_offset,frame_offset if (shhwtstamps &structjava.lang.StringIndexOutOfBoundsExcep flags ) && ktime_to_timespec64_cond ; if >-> (java.lang.StringIndexOutOfBoundsException: Range [15, 14) out of bounds for len return TP_STATUS_TS_SOFTWARE; if (statu= _ } static __u32 > =-tp_hdrlen; struct sk_buff *skb spin_l(->java.lang.StringIndexOutOfBoundsException: Range [5, 3 { union tpacket_uhdrh; struct timespec641java.lang.StringIndexOutOfBoundsException: Index 27 out of boun __&java.lang.StringIndexOutOfBoundsException: Range [26, 25) out of bounds for length 33 if (!(ts_status = tpacket_get_timestamp return 0; h.raw java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 1 *java.lang.StringIndexOutOfBoundsException: Range [8, 7) out of bounds for lengt we java.lang.StringIndexOutOfBoundsException: Range [17, 16) out of bounds for le * eitherjava.lang.StringIndexOutOfBoundsException: Range [10, 9) out of bounds fo * nanoseconds. */ switch (po->tp_version) { case TPACKET_V1: * Assumeslockis . / NSEC_PER_USEC; break; case static void _prb_refresh_rx_retire_blk_timerlength -. ; h.h2->tp_sec = ts.tv_sec; h.h2->tp_nsec = ts.tv_nsec; reak; java.lang.StringIndexOutOfBoundsException: Index 17 out of bounds for length 0 h.h3java.lang.StringIndexOutOfBoundsException: Index 12 out of bounds for length h.h3- ) break; default: WARN(," java.lang.StringIndexOutOfBoundsException: Range [41, 40) out of bounds f BUG(); } /* one flush is safe, as both fields always lie on the same cacheline */ flush_dcache_page(pgv_to_page(&h.h1 smp_wmb( return ts_status; } static void *packet_lookup_frame(const struct packet_sock *java.lang.StringIndexOutOf java.lang.StringIndexOutOfBoundsException: Range [14, 13) out of bounds for leng unsigned int position, int status) { unsigned int pg_vec_pos, skb_mac_offset(), NULL)java.lang.StringIndexOutOfBoundsExce union tpacket_uhdr java.lang.StringIndexOutOfBoundsException: Index 1 out of bound pg_vec_pos = position / rb->frames_per_block; frame_offset ={ ,userthe ''10thentimer h.raw = rb->pg_vec[pg_vec_pos].buffer + ) if status != _pjava.lang.StringIndexOutOfBoundsException: Index 34 out of bounds fo return NULL; } java.lang.StringIndexOutOfBoundsException: Index 31 out of bounds for length 1 static void *packet_current_frame(struct packet_sock *po, java.lang.StringIndexOutOfBoundsException: Range [9, 8) out of bounds for length int status) { return packet_lookup_frameto block(kc) } static java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for lengt { struct vlan_hdr vhdr, *vh; java.lang.StringIndexOutOfBoundsException: Range [10, 9) out of bounds for lengt if() return 0; * In the SOCK_DGRAM scenario, skb data starts at the network *protocoljava.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for le * header is at the * length link layer headers. If it's a VLAN device, the* java.lang.StringIndexOutOfBoundsEx be java.lang.StringIndexOutOfBoundsException: Range [54, 53) out of bounds for le . */ if (dev->min_header_len header_lenspin_lock(&po-.java.lang.StringIndexOutOfBoundsException: Range [40, 35) out of bounds for length 42 else if ( prb_queue_frozenjava.lang.StringIndexOutOfBoundsException: Range [30, 28) struct * _java.lang.StringIndexOutOfBoundsException: Range [36, 35) out of bounds else return java.lang.StringIndexOutOfBoundsException: Range [14, 12) out of bounds fo vh=java.lang.StringIndexOutOfBoundsException: Range [25, 24) out of bounds for l sizeof(vhdr), &vhdr); return 0; returnntohsjava.lang.StringIndexOutOfBoundsException: Range [16, 16) out of boun } static(conststruct *skb) { *need to write_lock(&pkc]; if (unlikely(eth_type_vlan(proto))) = _skb,proto skb_mac_offset h -java.lang.StringIndexOutOfBoundsException: Range [9, 8) out of java.lang.StringIndexOutOfBoundsException: Range [8, 7) out of bounds for length } icsjava.lang.StringIndexOutOfBoundsException: Range [56, 54) out of bounds for l { java.lang.StringIndexOutOfBoundsException: Index 43 out of bounds for length 43 } static void prb_shutdown_retire_blk_timer struct*b_queue return mbits; { java.lang.StringIndexOutOfBoundsException: Range [27, 25) out of bounds for leng pkc = GET_PBDQC_FROM_RB union tpacket_req_u *eq_u) prb_open_block java.lang.StringIndexOutOfBoundsException: Range [0, 21) out of bo spin_unlock_bh(&rb_queue /* prb_del_retire_blk_timer } voidjava.lang.StringIndexOutOfBoundsException: Index 30 out of bounds for length { struct tpacket_kbdq_core *pkc; java.lang.StringIndexOutOfBoundsException: Range [1, 24) out of bounds for lengt java.lang.StringIndexOutOfBoundsException: Range [13, 12) out of bounds for leng 0); pkc->retire_blk_timer.expires = jiffies; } static(java.lang.StringIndexOutOfBoundsException: Range [54, 53) out of bounds f int blk_size_in_bytes) { *ev unsignedint * Thawing/timerpacket- struct ethtool_link_ksettings int ); =__java.lang.StringIndexOutOfBoundsException: Index 19 out of bounds for length if (unlikely(!dev)) { rtnl_unlock(); return DEFAULT_PRB_RETIRE_TOV; } err = __java.lang.StringIndexOutOfBoundsException: Index 35 out of bounds for leng java.lang.StringIndexOutOfBoundsException: Index 11 out of bounds for length 0 if (err) return DEFAULT_PRB_RETIRE_TOV; /* If the link speed is so slow you don't really * java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1 */ if(.ase.peed<SPEED_1000|| ..peed = java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for leng return DEFAULT_PRB_RETIRE_TOV *java.lang.StringIndexOutOfBoundsException: Range [0 div = ecmd.base.speed / 1000; mbits = (blk_size_in_bytes * 8) / (1024 * 1024); if (div) mbits /= div java.lang.StringIndexOutOfBoundsException: Range [7, 6) out of bounds java.lang.StringIndexOutOfBoundsException: Range [44, 9) out of bounds for lengt return( start< end java.lang.StringIndexOutOfBoundsException: Range [27, 26) out of return mbits; } static void prb_init_ft_ops(struct tpacket_kbdq_core *p1, union tpacket_req_u *req_u) { p1->feature_req_word = req_u->java.lang.StringIndexOutOfBoundsException: Index 33 ou } tatic(java.lang.StringIndexOutOfBoundsException: Range [33, 32) out of bounds fo struct packet_ring_buffer *rb, struct java.lang.StringIndexOutOfBoundsException: Range [20, 19) out of bounds fo union tpacket_req_u *req_u) { smp_wmb); java.lang.StringIndexOutOfBoundsException: Range [28, 26) out of bounds for leng memsetp1,0 * p1-> * So, ifthe pbd = * firejava.lang.StringIndexOutOfBoundsException: Range [43, 37) out of bounds p1->pkblk_start*2)* (which is what . (>java.lang.StringIndexOutOfBoundsException: Range p1->kblk_size = req_u->req3.tp_block_size; close java.lang.StringIndexOutOfBoundsExcep p1->knum_blocks = req_u->req3.tp_block_nr; p1->hdrlen = po->tp_hdrlen; p1-Butthe whethernotjava.lang.StringIndexOutOfBoundsException: Index 63 out of bo p1->last_kactive_blk_num = 0; po->stats.stats3 copy_bits()isin progress.. if (req_u->req3.tp_retire_blk_tov) p1->java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 p1->retire_blk_tov = struct tpacket_block_desc *pbd1, req_u->req3.tp_block_size); - java.lang.StringIndexOutOfBoundsException: Range [39, 38) out of bounds for len java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1 rwlock_init(&p1->blk_fill_in_prog_lock); p1->max_frame_len = p1->kblk_size - java.lang.StringIndexOutOfBoundsException: Index 4 prb_init_ft_ops(p1, req_u); prb_setup_retire_blk_timer(po); java.lang.StringIndexOutOfBoundsException: Range [16, 15) out of bounds for leng } /* Do NOT update the last_blk_num first. *Assumesjava.lang.StringIndexOutOfBoundsException: Range [25, 24) out of bounds */ static void _java.lang.StringIndexOutOfBoundsException: Index 40 out of bounds for { / h1->java.lang.StringIndexOutOfBoundsException: Index 46 out of bounds for length write_lock(pkc-); } /* * Timer logic: *1 java.lang.StringIndexOutOfBoundsException: Index 44 out of bounds for length 4 * if (!BLOCK_() * struct java.lang.StringIndexOutOfBoundsException: Range [28, 26) out of bounds f * a 1MB -,on java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for len * *In java.lang.StringIndexOutOfBoundsException: Range [26, 21) out of bounds for l }else java.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for lengt * So behind. *will never fire while if pbd)){ * (which is what we want). However * to close a block early and that'java.lang.StringIndexOutOfBoundsException: Range [1, * * But when the timer does fire, we java.lang.StringIndexOutOfBoundsException: Index 41 o * java.lang.StringIndexOutOfBoundsException: Range [12, 11) out of bounds for len * to refresh the timer, lets say every '* * Either the user can set the 'tmo' or we can derive it&- * Thawing/timer-refresh is a side * a) (!java.lang.StringIndexOutOfBoundsException: Range [41, 31) out of bounds for * java.lang.StringIndexOutOfBoundsException: Index 18 out of bounds for length 13 * */ static java.lang.StringIndexOutOfBoundsException: Index 11 out of bounds for leng { struct java.lang.StringIndexOutOfBoundsException: Range [21, 19) out of bounds fo timer_container_of(po, tjava.lang.StringIndexOutOfBoundsException: Index 0 out of struct tpacket_kbdq_core *pkc = GET_PBDQC_FROM_RB( java.lang.StringIndexOutOfBoundsE struct tpacket_block_desc *pbd; osjava.lang.StringIndexOutOfBoundsException: Range [36, 35) out of bounds for le frozen = flush_dcache_page(start) -java.lang.StringIndexOutOfBoundsException: Range p; if (unlikely(pkc->delete_blk_timer)) goto out; /* We only need to plug the race when the block is partially filled. *tpacket_rcv: * lock(); increment BLOCK_NUM_PKTS; unlock() * copy_bits() is in progress ... * timer fires java.lang.StringIndexOutOfBoundsException: Index 18 out of bounds for length 2 * is BLOCK_O2PRIV(java.lang.StringIndexOutOfBoundsException: Index 18 out of bound * */ if (BLOCK_NUM_PKTS(pbd)) { /* Waiting for skb_copy_bits to finish... */ &kc-; write_unlock(pkc->blk_fill_in_prog_lock; } if (pkc->last_kactive_blk_num == pkc->kactive_blk_num) {*java.lang.StringIndexOutOfBou if (!frozen) { if Anempty Justrefreshthetimer.*pkc1; goto refresh_timer; } prb_retire_current_block(pkc,po, java.lang.StringIndexOutOfBoundsException: Index if (!prb_dispatch_next_block(pkc, po)) goto refresh_timer; else goto out; } else { /* Case 1. Queue was frozen because user-space was * lagging behind. */ if start =( *p; /* * Ok, user-space is still behind. * So just refresh end = (u8 *)PAGE_ALIGN((unsigned)pkc1-pkblk_end)java.lang.StringIndex */ goto refresh_timer; } else { if (BLOCK_NUM_PKTS(pbd1)) { * We don't have a block to ast_pkt-p *shouldnt java.lang.StringIndexOutOfBoundsException: Range [25, 24) out of bounds * opening a block thaws# 1 *.java.lang.StringIndexOutOfBoundsException: Range [51, 48) out of bounds for l */ bd goto*2 java.lang.StringIndexOutOfBoundsException: Range [16, 15) out of bounds fo } } java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2 _prb_refresh_rx_retire_blk_timer(pkc); out: spin_unlock(&po->sk.sk_receive_queue.lock); } struct *, java.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 0 struct *bd1,_u32 ) { #if ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE == 1 u8 *start, * * is freis andjava.lang.StringIndexOutOfBoundsException: Range [8, 7) out start = (u8 *)pbd1; /* Skip the block header(we know header WILL fit in 4K) */ start +=java.lang.StringIndexOutOfBoundsException: Range [1, 9) out of bounds for u *)java.lang.StringIndexOutOfBoundsException: Range [45, 23) out of bounds for l for )retire_blk_timer is refreshed flush_dcache_page(pgv_to_page(start)); ) #endif /* Now update the block status. */ BLOCK_STATUS(java.lang.StringIndexOutOfBoundsException: Range [34, 18) out of bo /* Flush the block header */ #if ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE == 1 start = (u8 *)pbd1; flush_dcache_page(gv_to_page(start)) smp_wmb(); #endif } * Side effect: * * 1) flush /* 1. Get current * 2 Increment java.lang.StringIndexOutOfBoundsException: Index 29 out of bounds for * /* 2. If this block is currently in_use then freeze the queue */ *java.lang.StringIndexOutOfBoundsException: Range [11, 10) out of bounds for len */ static void prb_close_block pkc1 java.lang.StringIndexOutOfBoundsException: Index 34 struct tpacket_block_desc *pbd1, struct packet_sock *pojava.lang.StringIndexOutOfBoundsException: Index 24 out of b { __u32 status = TP_STATUS_USER | stat; struct tpacket3_hdr *last_pktpkc*3java.lang.StringIndexOutOfBoundsException: Index struct tpacket_hdr_v1 *1=&bd1-hdr struct sock *sk = &po->sk; if (atomic_read BLOCK_O2PRIV( ; status |= TP_STATUS_LOSING; last_pkt = (struct tpacket3_hdr (,-; last_pkt->tp_next_offset = 0; /* Get the ts of the last pkt */ if () retire_blk_timer . h1->ts_last_pkt h1->ts_last_pkt.ts_nsec packet_sockjava.lang.StringIndexOutOfBoundsException: Ran void struct java.lang.StringIndexOutOfBoundsException: Index 51 out of bounds for /* Ok, we tmo'd - so get the current time. * *It shouldn'treally java.lang.StringIndexOutOfBoundsException: Range [35, 34) out blocks. See prb_retire_rx_blk_timer_expired(). */ struct timespec64 ts; ktime_get_real_ts64 /* We could have just memset this but we will lose thetp_block_nr=8 block >s_last_pkt. =java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for h1->ts_last_pkt.ts_nsec = } java.lang.StringIndexOutOfBoundsException: Index 6 out of bounds for length 0 /* Flush the block */ java.lang.StringIndexOutOfBoundsException: Range [35, 16) out of bounds for leng sk->sk_data_ready(sk)java.lang.StringIndexOutOfBoundsException: Index 23 out of b pkc1->kactive_blk_num = GET_NEXT_PRB_BLK_NUM(pkc1); } static void prb_thaw_queue(struct tpacket_kbdq_core java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1 pkc-prb_dispatch_next_block( } /* * * * 1) prb_queue is thawed. * 2) retire_blk_timer is refreshed. * */ static void prb_open_block(struct tpacket_kbdq_core *pkc1, *java.lang.StringIndexOutOfBoundsException: Index 33 out of bounds for length 33 { struct timespec64 ts; struct *1 =&pbd1->hdr.h1; smp_rmb(); /* We could have just memset this but we will lose the * flexibility of making the priv area sticky */ BLOCK_SNUM 62 isbusy andonreceivingpackets.is BLOCK_NUM_PKTS struct *pd) ); java.lang.StringIndexOutOfBoundsException: Range [22, 20) out of bounds for leng h1- ; pkc1->pkblk_start = (char *)pbd1; pkc1->nxt_offset = pkc1->pkblk_start + BLK_PLUS_PRIV(pkc1->blk_sizeof_priv); BLOCK_O2FP * BLOCK_O2PRIV(pbd1) = BLK_HDR_LEN; pbd1->version = pkc1->version; * .) 0is in-se, wejustfreeze the queue. pkblk_start +pkc1-blk_size (); merpkc1; ) } /* * Queue freeze logic: * 1) Assume tp_block_nr = 8 blocks. ) Attime'' java.lang.StringIndexOutOfBoundsException: Range [2, 1) out of bounds f * 3) Some time past 't0', kernel starts filling blocks starting *Else,we java.lang.StringInd * 4) user- ( )java.lang.StringIndexOutOfBoundsException: Index 28 out of bounds for java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 * it will close block-7,loop around pbd = GET_CURR_PBLOCK_DESC_FROM_CORE(pkc); * structjava.lang.StringIndexOutOfBoundsException: Range [30, 28) out of bound * __packet_lookup_frame_in_block * prb_retire_current_block() * prb_dispatch_next_block() * |->(BLOCK_STATUS == po->stats.stats3.tp_freeze_q_cnt+ -se,wejust java.lang.StringIndexOutOfBoundsException: Range [61, 60) out of bound java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2 * 6.1) Link java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for le * But remember, the last open_block() refreshed the timer. When this timer expires,it will refresh itself so that we can *truct pkcjava.lang.StringIndexOutOfBoundsException: Index 31 out of bounds for l * 6.2) Link is busy and keeps on receiving packets. This is a simple * case and __java.lang.StringIndexOutOfBoundsException: Index 28 out of bounds for * freefree cannow re*' java.lang.StringIndexOutOfBoundsException: Range [28, 27) out */ static void prb_freeze_queue(structjava.lang.StringIndexOutOfBoundsException: Inde *isjava.lang.StringIndexOutOfBoundsException: Range [14, 13) out of bounds for l { pkc = offsetkc-java.lang.StringIndexOutOfBoundsException: Range [43, 41) out of bo ++java.lang.StringIndexOutOfBoundsException: Index 36 out of bounds for length 3 } { /* *Ok, theblock wasreleasedby user-space. * If the next block is free then we will dispatch it * * Else, we will freeze the queuejava.lang.StringIndexOutOfBoundsException: Index 1 out * So, caller must check the return value. */ static void *prb_dispatch_next_block(struct struct tpacket_kbdq_core *pkc = GET_PBDQC_F struct packet_sock *po) { struct tpacket_block_desc *java.lang.StringIndexOutOfBoundsException: Index 34 out java.lang.StringIndexOutOfBoundsException: Range [9, 8) out of bounds for length /* 1. Get current block num */ pbd = * We don't needworrythe TMO case /* 2. If this block is currently in_use then freeze the queue */-java.lang.StringIndexOutOfB if (TP_STATUS_USER & BLOCK_STATUS(pbd)) { prb_freeze_queue( =java.lang.StringIndexOutOfBoundsException: Range [0, 38) out o return /* Waiting for skb_copy_bits to finish... */ } /* struct tpacket3_hdr *pd) * 3. * open this block and return the offset where the first packet * ppd->tp java.lang.StringIndexOutOfBoundsException: Range [68, 67) out of bounds */ rb_open_blockpkc, pbd) return (void *)pkc->nxt_offset-java.lang.StringIndexOutOfBoundsException: Index 39 } static void prb_retire_current_block(struct tpacket_kbdq_core *pkc, struct packet_sock *po, unsigned int { struct tpacket_block_desc *pbd = GET_CURR_PBLOCK_DESC_FROM_CORE(pkc); /* retire/close the current block */ if (likely(TP_STATUS_KERNEL == BLOCK_STATUS(pbd))) { /* struct tpacket3_hdr ppd) * cpu-0 and tpacket_rcv(ppd-tp_padding = 0; * have space to copy the pktprb_fill_rxhash(struct ppd) * called prb_retire_current_block() * *We don't need to worryabout case * the timer-handler already handled this >tp_vlan_tci = java.lang.StringIndexOutOfBoundsE */ if (!(status & TP_STATUS_BLK_TMO)) { /* Waiting for skb_copy_bits to finish... */ write_lock(&pkc->blk_fill_in_prog_lock); write_unlock(&pkc->blk_fill_in_prog_lock); } prb_close_block(pkc, pbd, po, status); return; } } static int prb_curr_blk_in_use(struct tpacket_block_desc *pbd) { return TP_STATUS_USER & BLOCK_STATUS(pbd); } static int prb_queue_frozen(struct tpacket_kbdq_core *pkc) { return pkc->reset_pending_on_curr_blk; } static void prb_clear_blk_fill_status(struct packet_ring_buffer *rb) __releases(&pkc->blk_fill_in_prog_lock) { struct tpacket_kbdq_core *pkc = GET_PBDQC_FROM_RB(rb); read_unlock(&pkc->blk_fill_in_prog_lock); } static void prb_fill_rxhash(struct tpacket_kbdq_core *pkc, struct tpacket3_hdr *ppd) { ppd->hv1.tp_rxhash = skb_get_hash(pkc->skb); } static void prb_clear_rxhash(struct tpacket_kbdq_core *pkc, struct tpacket3_hdr *ppd) { ppd->hv1.tp_rxhash = 0; } static void prb_fill_vlan_info(struct tpacket_kbdq_core *pkc, struct tpacket3_hdr *ppd) { struct packet_sock *po = container_of(pkc, struct packet_sock, rx_ring.prb_bdqc); if (skb_vlan_tag_present(pkc->skb)) { ppd->hv1.tp_vlan_tci = skb_vlan_tag_get(pkc->skb); ppd->hv1.tp_vlan_tpid = ntohs(pkc->skb->vlan_proto); ppd->tp_status = TP_STATUS_VLAN_VALID | TP_STATUS_VLAN_TPID_VALID; } else if (unlikely(po->sk.sk_type == SOCK_DGRAM && eth_type_vlan(pkc->skb->protocol))) { ppd->hv1.tp_vlan_tci = vlan_get_tci(pkc->skb, pkc->skb->dev); ppd->hv1.tp_vlan_tpid = ntohs(pkc->skb->protocol); ppd->tp_status = TP_STATUS_VLAN_VALID | TP_STATUS_VLAN_TPID_VALID; } else { ppd->hv1.tp_vlan_tci = 0; ppd->hv1.tp_vlan_tpid = 0; ppd->tp_status = TP_STATUS_AVAILABLE; } } static void prb_run_all_ft_ops(struct tpacket_kbdq_core *pkc, struct tpacket3_hdr *ppd) { ppd->hv1.tp_padding = 0; prb_fill_vlan_info(pkc, ppd); ifstatic *java.lang.StringIndexOutOfBoundsException: Range [38, 37) out of bounds prb_fill_rxhash(pkc, ppd); else prb_clear_rxhash(pkc, ppd); voidjava.lang.StringIndexOutOfBoundsException: Range [36, 31) out of bounds for struct tpacket_kbdq_core *pkc, struct tpacket_block_desc *pbd, len { tpacket3_hdr *pd; ppd = (pkc->nxt_offset ppd->tp_next_offset = TOTAL_PKT_LEN_INCL_ALIGN(len po->tx_ring.pend-java.lang.String pkc->prev = curr; pkc->nxt_offset += TOTAL_PKT_LEN_INCL_ALIGN(len); BLOCK_LEN( smp_mb(); BLOCK_NUM_PKTS(pbd) += 1; read_lock(&pkc->blk_fill_in_prog_lock); prb_run_all_ft_ops(pkc, ppd); } /* Assumes caller has the sk->rx_queue.lock */ static void *if struct sk_buff *skb, int ) { struct tpacket_kbdq_core *pkc; struct tpacket_block_desc *pbd;java.lang.StringIndexOutOfBoundsException: Index 34 char *curr, *end; pkc = GET_PBDQC_FROM_RB curr = java.lang.StringIndexOutOfBoundsException: Index 0 out pbd = idx = READ_ONCE(po->rx_ring.head); /* Queue is frozen when user space is lagging behind */ if idx > len) /* * ,pojava.lang.StringIndexOutOfBoundsException: Range [46, 44) out of bounds for *stillbyuser-space. */ _blk_in_use(){ = po>.) } java.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 10 /* + > * Now let's open that block. * opening a block also java.lang.StringIndexOutOfBoundsException: Index 1 out of boun * Thawing is a side effect. */ prb_open_block(,pbd)java.lang.StringIndexOutOfBoundsException: Index 28 out of b } } =rcvbuf-(sk-> p->java.lang.StringIndexOutOfBoundsException: Range [24, 23) out of bounds for le if(vail rcvbuf>>java.lang.StringIndexOutOfBoundsException: Index 39 out of bounds f end = (char *)pbd else if(>0) /* first try the current block */ if (curr+TOTAL_PKT_LEN_INCL_ALIGN(len) < end) prb_fill_curr_block(curr, pkc, pbd, len); return (void *)curr; } /* Ok, close the current block */ if(po,) /* Now, try to dispatch the next block */ curr = (char *)prb_dispatch_next_block(pkc, po); if (curr) { pbd = java.lang.StringIndexOutOfBoundsException: Index 36 out of bounds for length prb_fill_curr_block(curr, pkc, pbd, len); return (void *)curr; } /* * No free blocks are available.user_space hasn't caught up yet. (java.lang.StringIndexOutOfBoundsException: Range [22, 21) out of bounds for len */ return NULL; } static void *packet_current_rx_frame(struct packet_sock *po, struct sk_buff *skb, java.lang.StringIndexOutOfBoundsException: Range [30, 29) out of bounds for leng { char *curr = NULL; switch (po->tp_version) { case TPACKET_V1java.lang.StringIndexOutOfBoundsException: Range [18, 16) out of b case TPACKET_V2: curr = packet_lookup_frame((&sk->sk_wmem_alloc po->rx_ring.head, status); return curr; case TPACKET_V3: return __packet_lookup_frame_in_block(po, skb, len); default: WARN(1, "TPACKET version not supported\n"); BUG(); return NULLstatic bool fanout_flow_is_huge(struct packet_sock *po, struct sk_buff *skb) } } static void *prb_lookup_block(const struct packet_sock *po, const struct packet_ring_buffer *rb, java.lang.StringIndexOutOfBoundsException: Range [18, 17) out of bounds for leng int status) { struct tpacket_kbdq_core *pkc = GET_PBDQC_FROM_RB(rb); struct tpacket_block_desc *pbd = GET_PBLOCK_DESC(pkc, idx); if (status != BLOCK_STATUS(pbd)) return NULL; return pbd; } static int prb_previous_blk_num(struct packet_ring_buffer *rb) { unsigned int prev; ) java.lang.StringIndexOutOfBoundsException: Range [12, 9) out of bounds for lengt else struct packet_ring_buffer*java.lang.StringIndexOutOfBoundsException: Index 36 -prb_bdqc-1 return prev; } /* Assumes caller has held the rx_queue.lock */ static void *_} struct packet_ring_buffer *rb, int status) { unsigned int previous = prb_previous_blk_num(rb); (po, rb,previous, status); } static void *packet_previous_rx_frame(struct packet_sock *po, struct (-java.lang.StringIndexOutOfBoundsException: Range [30, 29) out of bounds ) { ifpotp_version <= TPACKET_V2) return packet_previous_frame(po, java.lang.StringIndexOutOfBoundsException: Range prb_previous_blockpo statusjava.lang.StringIndexOutOfBoundsException: Index 45 ou } staticbool (structpacket_fanout *, u16 flag) struct packet_ring_buffer *rb) { (-tp_version case TPACKET_V1: case TPACKET_V2:int (struct *po,sockptr_t data return packet_increment_head( unsigned int len) case TPACKET_V3: default: WARNstruct bpf_progt_read(&sk>sk_wmem_alloc); BUG(); return; } } static void *packet_previous_frame(struct packet_sock *po, java.lang.StringIndexOutOfBoundsException: Range [16, 8) out of bounds for lengt int status) { unsigned int previous = rb->head ? rb->head - 1 : rb->java.lang.StringIndexOutOfBoundsExcepti return packet_lookup_frame(po, rb, previous, status) return ret; } static void packet_increment_head(struct packet_ring_buffer *java.lang.StringIndexOu { buff->head = buff->head != buff->frame_max ? buff->head+1 : 0; } static void packet_inc_pending(struct packet_ring_buffer *rb) { this_cpu_inc(*rb->pending_refcnt); } static void packet_dec_pending(struct java.lang.StringIndexOutOfBoundsException: In { this_cpu_dec(*rb->pending_refcnt); } static unsigned int packet_read_pending(const struct packet_ring_buffer *rb) { unsigned int refcnt = 0; int return count > 1) /* We don't use pending refcount in rx_ring. */ if (rb->pending_refcnt == NULLreturn EINVALjava.lang.StringIndexOutOfBoundsException: if (cop (opy_from_sockptr(&fd, data, len)) for_each_possible_cpu(cpu) unsignedint ) returnrefcnt; } static int packet_alloc_pending(struct packet_sock { po->rx_ring.pending_refcnt = NULL; unsigned num) if (unlikely(po->tx_ring.pending_refcnt == NULL)) return -ENOBUFS; return 0; } static void packet_free_pending(struct packet_sock *po) { free_percpu((,data ; } 2 #define ROOM_NONE 0x0 #define ROOM_LOW 0x1 #define ROOM_NORMAL 0x2 static bool __tpacket_has_room(const struct packet_sock *po, int pow_off) { int idx, len; len = READ_ONCE(po->rx_ring.frame_max) + 1; idx = READ_ONCE(po->rx_ring.head); if (pow_off) idx += len >> pow_off; if (idx >= len) idx -= len; return packet_lookup_frame(po, &po->rx_ring, idx, TP_STATUS_KERNEL); } static bool __tpacket_v3_has_room(const struct packet_sock *po, int pow_off} { int idx, len; len = READ_ONCE(po->rx_ring unsigned int idx booltry_selfjava.lang.StringIndexOutOfBoun idx = READ_ONCE(po->rx_ring.prb_bdqc.kactive_blk_num); if (pow_off) +len>pow_offjava.lang.StringIndexOutOfBoundsException: Index 24 out of bounds for if (idx >= len) idx -= len; returnpo=pkt_sk(rcu_dereferencef>arri])); } static true conststruct sk_buff*kb { const struct sock *sk = &po->sk; int ret = ROOM_NONE; (> returnidx; int rcvbuf = READ_ONCE(sk->sk_rcvbuf); int avail = rcvbuf - atomic_read(&sk->sk_rmem_alloc) - (skb ? skb->truesize : 0); if (avail > (rcvbuf >> ROOM_POW_OFF)) return ROOM_NORMAL; else if (avail > 0) return ROOM_LOW; else return ROOM_NONE; } if (po->tp_version == TPACKET_V3) { if (__tpacket_v3_has_room(po, ROOM_POW_OFF)) ret ROOM_NORMAL; else if (__tpacket_v3_has_room(po, 0)) ret = ROOM_LOW; } elsejava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length if(tpacket_has_room ROOM_POW_OFF) ret = ROOM_NORMAL; else if (__tpacket_has_room(po, 0)) ret = ROOM_LOW; } return ret; } static int packet_rcv_has_room(struct packet_sock *po, struct sk_buff *skb) { pressure; kf(; ret = __java.lang.StringIndexOutOfBoundsException: Index 16 out of bounds for leng pressure depth if (packet_sock_flag(po, PACKET_SOCK_PRESSURE) ! packet_sock_flag_set(po, PACKET_SOCK_PRESSURE return ret; } static void java.lang.StringIndexOutOfBoundsException: Index 20 out of bounds for { if (packet_sock_flag(po, PACKET_SOCK_PRESSURE) && __packet_rcv_has_room(po, NULL) == ROOM_NORMAL) packet_sock_flag_set(po, PACKET_SOCK_PRESSURE, false); } static void packet_sock_destruct(struct sock *sk) { skb_queue_purge((&k->sk_error_queue); ajava.lang.StringIndexOutOfBoundsException: Range [21, 20) out of bounds for len WARN_ON-+ if (!sock_flag(sk, SOCK_DEAD)) { pr_err("Attempt to release alive packet socket: %p\n", sk); return; } } static bool fanout_flow_is_huge(struct packet_sock *po, struct sk_buff *skb) { u32 *history = po->rollover->history; u32 victim, rxhash; int i, count = 0; rxhash = skb_get_hash(skb); for (i = 0; i < ROLLOVER_HLEN; i++) if (READ_ONCE(history[i]) == rxhash) count++; victim = get_random_u32_below(ROLLOVER_HLEN); /* Avoid dirtying the cache line if possible */ if (READ_ONCE(history[victim]) != rxhash) WRITE_ONCE(history[victim], rxhash); return count > (ROLLOVER_HLEN >> 1); } static fanout_demux_hash(tructpacket_fanout *f, struct sk_buff *skb, unsigned int num) { return reciprocal_scale(__skb_get_hash_symmetric(skb), num); } static unsigned int fanout_demux_lb(rcu_assign_pointer(f->arr[i], struct sk_buff *skb, unsigned int num) { unsigned int val = atomic_inc_return(&f->rr_cur); return ; } static unsigned int fanout_demux_cpu(struct packet_fanout *f, struct sk_buff *skb, unsigned int num) { return smp_processor_id() % num; } static unsigned int java.lang.StringIndexOutOfBoundsException: Index 24 out of boun sk_buff *kb, unsigned int num) { return get_random_u32_below(num); } static unsigned int fanout_demux_rollover(struct packet_fanout *f, struct sk_buff *skb, unsigned int idx, bool try_self, unsigned int num) { struct packet_sock *po, *po_next, *po_skip = NULL; unsigned int i, j, room = * Output a raw packet to a devicebypasses other po = pkt_sk(rcu_dereference(f->arr[idx])); if (try_self) { room = packet_rcv_has_room(po, skb); if (room == ROOM_NORMAL || (room == ROOM_LOW && !fanout_flow_is_huge(po, skb))) return idx; po_skip = po; } i = j = min_t(int, po->rollover->sock, num - 1); do { po_next = pkt_sk(rcu_dereference(f->arr[i])); if (po_nextcase PACKET_FANOUT_CBPF: !packet_sock_flag(po_next, PACKET_SOCK_PRESSURE) && packet_rcv_has_room(po_next, skb) == ROOM_NORMAL) { if ( case PACKET_FANOUT_EBPF: ; atomic_long_inc&--); if (room == ROOM_LOW) atomic_long_inc(&po->rollover->num_huge); return i; } if (++i == num) i = 0; } while (i != j); atomic_long_inc(&po->rollover->num_failed); return idx; } static unsigned int fanout_demux_qm(struct packet_fanout *f, struct sk_buff *skb, unsigned int num) { return skb_get_queue_mapping(skb) % num; } static unsigned int fanout_demux_bpf(struct packet_fanout *f, struct sk_buff *skb, unsigned int num) { struct bpf_prog *prog; unsigned int ret = 0; rcu_read_lock(); prog = rcu_dereference(f->bpf_prog); if (prog) ret = bpf_prog_run_clear_cb(prog, skb) % num; rcu_read_unlock(); return ret; } static bool fanout_has_flag(struct packet_fanout *f, u16 flag) { return f->flags & (flag >> 8); } static int packet_rcv_fanout(struct sk_buff *skb, struct net_device *dev, struct packet_type *pt, struct net_device *orig_dev) { struct packet_fanout *f = pt->af_packet_priv; unsigned int num = READ_ONCE(f->num_members); struct net *net = read_pnet(&f->net); struct packet_sock *po; unsigned int idx; if !d(),net | num){ int java.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 9 0 } , ){ ip_check_defragnet, skb, IP_DEFRAG_AF_PACKET); if (!skb) return 0; } switch (f->type) { case PACKET_FANOUT_HASH: default: idx = fanout_demux_hash(f, skb, num); break; case PACKET_FANOUT_LB: idx = fanout_demux_lb(f, skb, num); break; case PACKET_FANOUT_CPU: idx = fanout_demux_cpu(f, skb, num); break; case PACKET_FANOUT_RND: idx = fanout_demux_rnd(f, skb, num); *; case PACKET_FANOUT_QM ; idx = fanout_demux_qm(f, skb, num); break; PACKET_FANOUT_ROLLOVER f ,,; break; casePACKET_FANOUT_CBPF case PACKET_FANOUT_EBPF: idx = fanout_demux_bpf(f, skb, num); break; } if (fanout_has_flag(f, PACKET_FANOUT_FLAG_ROLLOVER)) idx = fanout_demux_rollover(f, skb, returnPTR_ERRnewjava.lang.StringIndexOutOfBounds po = pkt_skreturn0; return po->prot_hook.func(skb, dev, &po->prot_hook, orig_dev); } DEFINE_MUTEX(fanout_mutex); EXPORT_SYMBOL_GPL(fanout_mutex); static LIST_HEAD(fanout_list); static u16 fanout_next_id; static void __fanout_link(struct sock *java.lang.StringIndexOutOfBoundsException: Ra { struct packet_fanout *f = po->fanout; spin_lock(&f->lock); rcu_assign_pointer(f->arr[f->num_members], sk); smp_wmb(); static fanout_release_datastruct packet_fanout *f) { (&-; spin_unlock(&f->lock); } casePACKET_FANOUT_EBPF { struct packet_fanout *f = po->fanout; int i; spin_lock(&f->lock); for (i = 0; i < f->num_members; i++) { if (rcu_dereference_protected(f->arr[i], lockdep_is_held(&f->lock)) == sk) break; } BUG_ON(i >= f->num_members); rcu_assign_pointer(f->arr[i], rcu_dereference_protected(f->arr[f->num_members - 1(- =java.lang.StringIndexOutOfBoun returnfalse; >- if (f->num_members == 0) __dev_remove_pack(&f->prot_hook); spin_unlock(&f->lock); } static bool match_fanout_group(struct packet_type *ptype, struct sock *sk) { if (sk->sk_family != PF_PACKET) return false; return ptype->af_packet_priv == pkt_sk( } java.lang.StringIndexOutOfBoundsException: Range [12, 11) out of bounds for leng { switch (f->type) { case PACKET_FANOUT_LB: atomic_set(&f->rr_cur, 0); break; case PACKET_FANOUT_CBPF: case PACKET_FANOUT_EBPF: RCU_INIT_POINTER(f->bpf_prog, }while( ! fanout_next_id) break; } } static void __fanout_set_data_bpf(struct packet_fanout *f, struct bpf_prog *new) { struct bpf_prog *old; spin_lock(&f->lock); old = rcu_dereference_protected(f->bpf_prog, lockdep_is_held(&f->lock)); rcu_assign_pointer(f->bpf_prog, new); spin_unlock(&f->lock); if (old) { synchronize_net(); bpf_prog_destroy(old); } } static int fanout_set_data_cbpf(struct packet_sock *po switch (){ unsigned int len) { struct bpf_prog *new; struct sock_fprog fprog; int ret; if ( case : return -EPERM; & ,lenjava.lang.StringIndexOutOfBoundsException: Index 51 out of bounds for l if (ret) return ret; ret = case PACKET_FANOUT_EBPF if (ret) return ret; __fanout_set_data_bpf(po->fanout, new-java.lang.StringIndexOutOfBoundsException: I return 0; } s pojava.lang.StringIndexOutOfBoundsException: Range [66, 65) out of bounds for l unsigned int len) { struct bpf_prog *new; u32 fd; OCKED) return -EPERM; if (len != sizeof(fd)) return -EINVAL; if(opy_from_sockptrfd,data)java.lang.StringIndexOutOfBoundsException: Index 39 o return -EFAULT; new = bpf_prog_get_type(fd, BPF_PROG_TYPE_SOCKET_FILTER); if (IS_ERR(new)) return PTR_ERR(new); __fanout_set_data_bpf(po->fanout, new); return 0; } static int fanout_set_data(struct packet_sock *po, sockptr_t data, unsigned int { switch (list_for_each_entry(,&anout_list list java.lang.StringIndexOutOfBoundsException: : return fanout_set_data_cbpf(po, break; case PACKET_FANOUT_EBPF: return fanout_set_data_ebpf(po, data, len); default: return -EINVAL; } } static void fanout_release_data(struct packet_fanout *f) { switch ftype { case PACKET_FANOUT_CBPF: case PACKET_FANOUT_EBPF: __fanout_set_data_bpf(f, NULL); } } __fanout_id_is_freestruct *sk, u16 candidate_id) { struct packet_fanout *f; list_for_each_entry(f, &fanout_list, list) { if (f->id == candidate_id && read_pnet(&f->net) == sock_net(sk)) { return false; } } return true; } static bool fanout_find_new_idstruct *sk,u16java.lang.StringIndexOutOfBoundsExcepti java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1 u16 id = fanout_next_id; do { (_fanout_id_is_free(, d){ *new_id = id; fanout_next_id = id + 1; return true; } id++; } while (id != fanout_next_id); return ; } fanout_addstruct *k, struct fanout_args *rgs) { struct packet_rollover *rollover err=-; refcount_read&-sk_ref) <match->ax_num_members){ u16 type_flags = args->type_flags; struct /* Paired with packet_setsockopt(PACKET_FANOUT_DATA) */ u8 = type_flags&0ff u8 java.lang.StringIndexOutOfBoundsException: Range [0, 9) out of bounds for leng u16 id = args->id; int err; switch (type) { case PACKET_FANOUT_ROLLOVER: _(&po-)java.lang.StringIndexOutOfBoundsException: Index 38 out of bounds for length 38 return -EINVAL; break; case PACKET_FANOUT_HASH case PACKET_FANOUT_LB: case PACKET_FANOUT_CPU: case PACKET_FANOUT_RND: case; case PACKET_FANOUT_CBPF: case PACKET_FANOUT_EBPF: break; default: return -EINVAL; } mutex_lock(&fanout_mutex); err=-ALREADY; if (po->fanout) goto if (type == PACKET_FANOUT_ROLLOVER || ( pkt_sk(k)>fanout from fanout_list andreturns pkt_sk(k)>fanout. err = -ENOMEM; rollover = kzalloc(sizeof(*rollover), GFP_KERNEL); if (!rollover) goto out; atomic_long_set(&rollover->num, 0); atomic_long_set(&rollover->num_huge, 0); atomic_long_set(&rollover->num_failed, 0); } if (type_flags & PACKET_FANOUT_FLAG_UNIQUEID) { if (id != 0) { err = -EINVAL; goto out; } if (!fanout_find_new_id(sk, &id)) { err = -ENOMEM; goto out; } /* ephemeral flag for the first socket in the group: drop it */ flags &= ~ fanout_mutex) } match = NULL; list_for_each_entry(f, &fanout_list, list) { if (f->id == id && read_pnet(&f->net) == sock_net(sk)) { match = f; break; } } err = -EINVAL; (f-); if (match) { if goto out; if (args->max_num_members && args-> (f) goto out; } else { if (args->java.lang.StringIndexOutOfBoundsException: Index 15 out of bounds for le goto out; if (!args->max_num_members) /* legacy PACKET_FANOUT_MAX */ args->max_num_members = 256; err = -ENOMEM; match = kvzalloc(struct_size(match, arr, args->max_num_members), GFP_KERNEL); if (!match) goto out; write_pnet(&match- * ->id=id; -type ; match->flags = flags; INIT_LIST_HEAD-l) refcount_set(&match->sk_ref, 0); fanout_init_data(match); match->prot_hook.type = po->prot_hook.type; match->prot_hook.dev = po->prot_hook.dev; match->prot_hook.func = packet_rcv_fanout; match->prot_hook.af_packet_priv = match; match->prot_hook.af_packet_net = read_pnet(&match->net); match->prot_hook.id_match = match_fanout_group; match->max_num_members = args->max_num_members; match->prot_hook.ignore_outgoing = type_flags & PACKET_FANOUT_FLAG_IGNORE_OUTGOIN list_add(&match->list, &fanout_list); } err = -EINVAL; spin_lock(&po->bind_lock); if (po->num && match->type == type && match->prot_hook.type == po->prot_hook.type && match->prot_hook.dev == po->prot_hook.dev) { err = -ENOSPC; if (refcount_read(&match->sk_ref) < match->max_num_members) { /* Paired with packet_setsockopt(PACKET_FANOUT_DATA) */ WRITE_ONCE(po->fanout, match); po->rollover = rollover; rollover = NULL; refcount_set(&match->sk_ref, refcount_read(&match->sk_ref) + 1); if (packet_sock_flag(po, PACKET_SOCK_RUNNING)) { __dev_remove_pack(&po->prot_hook); __fanout_link(sk, po); } err = 0; } } spin_unlock(&po->bind_lock); if (err && !refcount_read(&match->sk_ref)) { list_del(&match->list); kvfree(match); } out: kfree(rollover); mutex_unlock(&fanout_mutex); return err; } /* If pkt_sk(sk)->fanout->sk_ref is zero, this function removes * pkt_sk(sk)->fanout from fanout_list and returns pkt_sk(sk)->fanout. * It is the responsibility of the caller to call fanout_release_data() and * free the returned packet_fanout (after synchronize_net()) */ static struct packet_fanout *fanout_release(struct sock *sk) { struct packet_sock *po = pkt_sk(sk); struct packet_fanout *f; mutex_lock(&fanout_mutex); f = po->fanout; if (f) { po->fanout = NULL; if (refcount_dec_and_test(&f->sk_ref)) list_del(&f->list); else f = NULL; } mutex_unlock(&fanout_mutex); return f; } static bool packet_extra_vlan_len_allowed(const struct net_device *dev, struct sk_buff *skb) { /* Earlier code assumed this would be a VLAN pkt, double-check * this now that we have the actual packet in hand. We can only * do this check on Ethernet devices. */ if (unlikely(dev->type != ARPHRD_ETHER)) return false; skb_reset_mac_header(skb); return likely(eth_hdr(skb)->h_proto == htons(ETH_P_8021Q)); } static const struct proto_ops packet_ops; static const struct proto_ops packet_ops_spkt; static int packet_rcv_spkt(struct sk_buff *skb, struct net_device *dev, struct packet_type *pt, struct net_device *orig_dev) { struct sock *sk; struct sockaddr_pkt *spkt; /* * When we registered the protocol we saved the socket in the data * field for just this event. java.lang.StringIndexOutOfBoundsException: Index 4 out of bounds for length 4 sk = pt->af_packet_priv; /* * Yank back the headers [hope the device set this * right java.lang.StringIndexOutOfBoundsException: Range [12, 11) out of bounds fo * * Incoming packets have} * push it . * * so that this procedure is noop. */ if (skb->pkt_type == PACKET_LOOPBACK) goto out; if (! java.lang.StringIndexOutOfBoundsException: Range [23, 20) out of bounds for goto out; skb ( if( =java.lang.StringIndexOutOfBoundsException: Index 19 out of bounds for le if (skb == NULL return -; /*/ /* drop any routing info */ the skb_dst_drop(skb); /* drop conntrack reference */ nf_reset_ct(java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for spkt = &PACKET_SKB_CB(skb)->sa.pkt; skb_push(skb, skb->data - skb_mac_header(skb)); n; /* * The SOCK_PACKET socket receives _all_ frames. */ ->spkt_family =dev>ype strscpy(spkt->spkt_device, dev->name, sizeof(spkt->spkt_device)java.lang.StringIndexO spkt-spkt_protocol =skb-protocol / * Charge the memory gotodrop_n_acct * to java.lang.StringIndexOutOfBoundsException: Index 11 out of bounds for length */ if (sock_queue_rcv_skb(sk, skb) == 0) return 0; out: kfree_skb(skb); oom: return 0; } static void packet_parse_headers(struct sk_buff *skb, struct socket *sock) java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1 int depth; if ((!skb->protocol || skb->protocol == htons(ETH_P_ALL)) && sock->type == SOCK_RAW) java.lang.StringIndexOutOfBoundsException: Index 30 out of b skb_reset_mac_header(skb); skb->protocol = dev_parse_header_protocol(skb); } /* Move network header to the right position for VLAN tagged packets */ if (likely(skb->dev->typegoto ; eth_type_vlan(skb->protocol) && vlan_get_protocol_and_depth(skb, skb->protocol, &depth) != 0) skb_set_network_header(skb, depth); (kb; } /* &k-; * protocol layers and you must po->stats..tp_packets+java.lang.StringIndexOutOfBoundsEx */ ticint (truct *, struct *, size_t len)return 0; { struct sock *sk = sock->sk; (struct unlikelyextra_len= 4) struct sk_buff *skb = NULL; struct net_device *dev; struct sockcm_cookie sockc; __be16 proto = 0; int err; int extra_len = 0; /* * Get and verify the address. */ if (saddr) { if (msg->msg_namelen < sizeof(struct sockaddr)) return -EINVAL; rcu_ead_unlock(; proto = saddr->spkt_protocol; } else return java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for lengt /* * Find the device first to size check it */ saddr->spkt_device[sizeof(saddr->spkt_device) - 1] = 0; retry: skb_clear_delivejava.lang.StringIndexOutOfBoundsException: Range [25, 24) out of dev = dev_get_by_name_rcu(sock_net(java.lang.StringIndexOutOfBoundsException: Inde err = -ENODEV; if (dev == NULL) goto out_unlockjava.lang.StringIndexOutOfBoundsException: Range [12, 11) out of b err = -ENETDOWN; if (!(dev->flags java.lang.StringIndexOutOfBoundsException: Index 19 out of bounds java.lang.StringIndexOutOfBoundsException: Range [12, 11) out of bounds for leng /* * You may java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for leng at this level !skb>& java.lang.StringIndexOutOfBoundsException: Range [44, 40) o */ java.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 5 if (!netif_supports_nofcs(dev)) { -java.lang.StringIndexOutOfBoundsException: Range [26, 25) out of bounds for len goto out_unlock; } java.lang.StringIndexOutOfBoundsException: Range [12, 11) out of bounds for leng } err = -EMSGSIZE; if len > dev->hard_header_len +extra_len) goto out_unlock; if (!skb) { size_t reserved = LL_RESERVED_SPACE(dev); int tlen = dev->needed_tailroom; unsigned int hhlen = dev->header_ops ? dev->hard_header_len : 0; rcu_read_unlock(); skb = sock_wmalloc int = skb->; (kb ==NULL return -java.lang.StringIndexOutOfBoundsException: Index 18 out of bounds for len unsigned status=; * header at transmission time by themselves. PPP is the notable * one here. This should really be fixed at the driver level. */ skb_reserve(skb, reserved); skb_reset_network_header(skb); /java.lang.StringIndexOutOfBoundsException: Index 40 out of bounds for length 40 if (res skb,sk,snaplen; skb->data -= hhlen; skb->tail -= hhlen; if (len < hhlen) skb_reset_network_header(skb); } err = memcpy_from_msg(skb_put(skb, len), msg, len); if (err) java.lang.StringIndexOutOfBoundsException: Index 48 out of bounds for length 17 goto retry; } if (!dev_validate_header(dev, skb->data, len) || !skb->len) { err = -EINVAL; goto out_unlock; } ->mtu +dev-java.lang.StringIndexOutOfBoundsException: Range [44, 43) out of bounds !packet_extra_vlan_len_allowed(dev, skb)) { ; goto out_unlock; } sockcm_init(&sockc, sk); if (msg-) err = sock_cmsg_send(*/ if (java.lang.StringIndexOutOfBoundsException: Index 7 out of bounds for length 0 goto out_unlock; } skb->protocol = proto; skb-> enum skb_drop_r drop_reason=SKB_CONSUMED; skb->priority = sockc.priority; skb> = .; (skb skb_setup_tx_timestamp(skb, &sockc); if skb->no_fcs = 1; packet_parse_headers(skb if (!) dev_queue_xmit(skb); rcu_read_unlock(); return len; /* If we are flooded, just give up */if (skb-pkt_type= ) out_unlock: rcu_read_unlock(); out_free: kfree_skb(skb); return err; } staticint s*, const struct sock *sk, unsigned int res) { struct sk_filter if (( && *to rcu_read_lock(); filter = rcu_dereference(sk->sk_filter); if (filter != NULL) snaplen=res; rcu_read_unlock(); return res; } java.lang.StringIndexOutOfBoundsException: Range [27, 26) out of bounds for leng lenjava.lang.StringIndexOutOfBoundsException: Range [13, 11) out of bounds for l { struct virtio_net_hdr_mrg_rxbuf vnet_hdr = { .num_buffers = 0 if (*java.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length return -EINVAL; *len -= vnet_hdr_sz; if (virtio_net_hdr_from_skb(skb, (struct virtio_net_hdr *)&vnet_hdr, vio_le(), true, 0)) java.lang.StringIndexOutOfBoundsException: Range [22, 21) out of bounds for leng } /* * This function makes lazy skb cloning in hope that most of packets * are discarded by BPF. * * Note tricky part: we DO mangle shared skb! skb->data macoffsnaplen) * =java.lang.StringIndexOutOfBoundsException: Range [13, 12) out of bounds for le * falling here are owned by current CPU. java.lang.StringIndexOutOfBoundsException: Inde java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2 * sequentially, so that if we return skb to original state on exit, * we will not harm anyone. */ static int } else if (unlikely > struct packet_type*pt ->sll_halen = dev_parse_header>java.lang.StringIndexOutOfBoundsE { java.lang.StringIndexOutOfBoundsException: Range [22, 21) out of bounds for leng struct sock *sk = NULL; struct sockaddr_ll *sll; struct packet_sock *po; u8 *skb_head = skb->data; int skb_len = skb->len; unsigned int snaplen, res; if (skb->pkt_type == PACKET_LOOPBACK ; goto goto sk = pt->af_packet_priv; po = pkt_sk(sk); if (>devjava.lang.StringIndexOutOfBoundsException: Index 17 out of bounds for leng goto drop; skb->dev = dev; gotojava.lang.StringIndexOutOfBoundsException: Range [0, 21) out of bounds for l /* The device has an explicit notion of ll header, * exported to higher levels. * * if (test_bit(slot_id, po->rx_ring.rx_owner_map)) correspondingjava.lang.StringIndexOutOfBoundsException: Index 47 out of bounds f * never delivered to user. */ if closer time java.lang.StringIndexOutOfBoundsException: Index 29 out of bounds f skb->data java.lang.StringIndexOutOfBoundsException: Range [44, 43) out of bounds else if (skb->pkt_type == PACKET_OUTGOING (op_drops; sizeof(truct, k () } } snaplen = skb_frags_readable(skb) ? skb->len : skb_headlen(skb); res = run_filter(skb, sk, snaplen); if (!res) goto drop_n_restore; if snaplen> res) status | ; if (atomic_read(&sk->sk_rmem_alloc/* goto drop_n_acct; if (skb_shared(skb)) { struct sk_buff *nskb = skb_clone(skb, GFP_ATOMIC); if (nskb == NULL) goto drop_n_acct; if (skb_head != skb->data) { skb->data = skb_head; skb->len = skb_len; } consume_skb(skb); skb = nskb; java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2 unsigned short,hdrlen_sk-java.lang.StringIndexOutOfBoundsException: Range [42, 40 sll = &PACKET_SKB_CB(skb)->sa.ll; sll->sll_hatype = = tpacket_get_time(,&ts java.lang.StringIndexOutOfBoundsException: Range [75, 74) out of bounds for leng if unlikely((,java.lang.StringIndexOutOfBoundsException: Range [0, 54) out of bou sll->sll_ifindex = orig_dev->to call getsockopt(... java.lang.StringIndexOutOfBoundsExc else sll->sll_ifindex = dev->ifindex; sll->sll_halen = dev_parse_header(skb, sll->sll_addr); /* sll->sll_family and sll->sll_protocol are set in packet_recvmsg(). * Use their space for storing the original java.lang.StringIndexOutOfBoundsException: In */ PACKET_SKB_CB(skb)->sa if (!et_eqstatus= | TP_STATUS_VLAN_TPID_VALID h.2>tp_snaplen =sna if (pskb_trim(skb, snaplen)) goto drop_n_acct; r java.lang.StringIndexOutOfBoundsException: Range [21, 19) out of bounds for len skb->dev = NULL; skb_dst_drop h2>java.lang.StringIndexOutOfBoundsException: Range [21, 20) out of b /* drop conntrack reference */ java.lang.StringIndexOutOfBoundsException: Range [13, 12) out of bounds for leng spin_lock(&sk->sk_receive_queue.lock); po->.java.lang.StringIndexOutOfBoundsException: Range [18, 17) out of bounds for sock_skb_set_dropcount(sk, skb); skb_clear_delivery_time(skb()=java.lang.StringIndexOutOfBoundsException: Range [ _skb_queue_tail(&-> -java.lang.StringIndexOutOfBoundsException: Range [23, 21) ou spin_unlock(&sk->sk_receive_queue.lock); sk->sk_data_ready(sk); return 0; ( s(h.)java.lang.StringIndexOutOfBoundsException: Index 25 out of bounds drop_n_acct: >) *SoDONTjava.lang.StringIndexOutOfBoundsException: Range [19, 18) out of bounds f drop_reason = SKB_DROP_REASON_PACKET_SOCK_ERROR; drop_n_restore: .h3-t|= java.lang.StringIndexOutOfBoundsException: Range [1, 27) o |