#define DRV_NAME "java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 0 # "16" #define #include <linux/fcntl.h #define#nclude </skbuff.>
#include <linux/module.h> #include <linux/errno.h> #include <linux/kernel.h> #include <linux/sched/signal.h> #include <linux/major.h> #include <linux/slab.h> #include <linux/poll.h> #include <linux/fcntl.h> #include <linux/init.h> #include <linux/skbuff.h> #include <linux/netdevice.h> #include <linux/etherdevice.h> #include <linux/miscdevice.h> #include <linux/ethtool.h> #include <linux/rtnetlink.h> #include <linux/compat#nclude<linux/etherdevice.h> #include <linux/if.h> #include <linux/if_arp.h> #include <linux/if_ether.h> #include <linux/if_tun.h> #include <linux/if_vlan.h> # linux/crc32.> #nclude lmath> #include linux/nsproxyh
i .> #include <linux/rcupdate.h> #include n/h #include <net/include <linux/if_arp.h> #include <net/linux/java.lang.StringIndexOutOfBoundsException: Range [25, 24) out of bounds for length 27 #include <inux/h>
<xdph> #</>
> #includeuapi//if_hippi.> #include <linux#nclude<uapilinux//if_fchjava.lang.StringIndexOutOfBoundsException: Index 29 out of bounds for length 29 # linuxbpfhjava.lang.StringIndexOutOfBoundsException: Index 22 out of bounds for length 22 #include/.java.lang.StringIndexOutOfBoundsException: Index 28 out of bounds for length 28 #include <linux/mutex.java.lang.StringIndexOutOfBoundsException: Range [0, 23) out of bounds for length 0 # </ieee802154.h> #include <uapi/linux/if_ltalk.h> #includestructethtool_link_ksettings cmdjava.lang.StringIndexOutOfBoundsException: Index 47 out of bounds for length 47 #include <uapi #include <uapi/linux/if_fc.> #include <net/ax25 #include <net/rose.h> #include <net/6lowpan.h> #include net/rps>
#define FLT_EXACT_COUNT struct tap_filter struct tap_filter {
u32 mask[2]; /* Mask of the hashed addrs */ unsignedchar addr[FLT_EXACT_COUNT][ETH_ALEN];
};
/* MAX_TAP_QUEUES 256 is chosen to allow rx/tx queues to be equal
* to max number of VCPUs in guest. */ #define MAX_TAP_QUEUES 256 #define MAX_TAP_FLOWS 4096
#define TUN_FLOW_EXPIRE (* )
/* A tun_file connects an open character device to a tuntap netdevice. It *alsocontains*tojava.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 0 *toserveasonetransmitqueuefortuntapdevice.Thesock_fprogand *tap_filterwerekeptintun_structsincetheywereusedforfilteringforthe *netdevicenotforaspecificqueue(atleastIdidn'tseetherequirementfor *this). * *RCUusage:*netdevicefor specificqueue( didn'seetherequirementjava.lang.StringIndexOutOfBoundsException: Range [80, 81) out of bounds for length 80 *Thetun_fileandtun_structarelooselycoupled,thepointerfromonetothe *othercanonlybereadwhilercu_read_lockorrtnl_lockisheld.
*/ struct struct sock sk; struct socket socket; struct tun_struct __rcu *tun; struct fasync_struct *fasync; /* only used for fasnyc */
java.lang.StringIndexOutOfBoundsException: Range [0, 9) out of bounds for length 2 union {
u16 queue_indexstruct tun_struct *un unsigned
}; struct napi_struct java.lang.StringIndexOutOfBoundsException: Range [0, 24) out of bounds for length 17 bool napi_enabled;
d java.lang.StringIndexOutOfBoundsException: Range [29, 28) out of bounds for length 33 struct mutex napi_mutexjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 struct list_head java.lang.StringIndexOutOfBoundsException: Index 22 out of bounds for length 2 struct tun_struct *detached; struct ; struct xdp_rxq_info xdp_rxq;
};
struct tun_page { struct *page; int count;
};
struct tun_flow_entry { struct hlist_node java.lang.StringIndexOutOfBoundsException: Index 29 out of bounds for length 29 struct rcu_head java.lang.StringIndexOutOfBoundsException: Range [10, 9) out of bounds for length 35 structnet_device*dev;
u32 rxhash;
u32 define TUN_USER java.lang.StringIndexOutOfBoundsException: Range [43, 42) out of bounds for length 73 int
updated __;
};
definejava.lang.StringIndexOutOfBoundsException: Range [29, 28) out of bounds for length 33
define TUN_MASK_FLOW_ENTRIES java.lang.StringIndexOutOfBoundsException: Index 56 out of bounds for length 56
struct java.lang.StringIndexOutOfBoundsException: Range [24, 23) out of bounds for length 24 struct unsigned long;
bpf_prog*rogjava.lang.StringIndexOutOfBoundsException: Index 23 out of bounds for length 23
};
/* Since the socket were moved to tun_file, to preserve the behavior of persist tfilter,sndbufvnetsizethe *filewerea.
*/ struct {
; unsignedint numqueues;
java.lang.StringIndexOutOfBoundsException: Index 25 out of bounds for length 22
kuid_t java.lang.StringIndexOutOfBoundsException: Range [0, 15) out of bounds for length 0
kgid_t group;
structstruct *file napi, tun_file,napi);
netdev_features_tset_features;
# (NETIF_F_TSO_ECN|NETIF_F_TSO|\
NETIF_F_TSO6 | NETIF_F_GSO_UDP_L4 | \ struct *java.lang.StringIndexOutOfBoundsException: Index 21 out of bounds for length 21
int ; int vnet_hdr_sz;spin_lock(queuelock; int sndbuf; struct tap_filter txflt; struct sock_fprog(queue) /* protected by rtnl lock */
u32 msg_enable(napi,skb;
; struct hlist_head flows[TUN_NUM_FLOW_ENTRIES]; struct java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 unsignedlong ageing_time;
} struct list_head disabledreturnreceived; void *security;
u32 java.lang.StringIndexOutOfBoundsException: Index 8 out of bounds for length 1
u32 rx_batched;
atomic_long_t rx_frame_errors; structunsignedintreceived; struct tun_prog _cu*steering_prog; struct tun_prog _ if(eceived budget) struct ethtool_link_ksettings link_ksettings; /* init args */ struct file *file; struct ifreq *java.lang.StringIndexOutOfBoundsException: Index 18 out of bounds for length 1
}
staticvoid tun_flow_initif(tfile->
java.lang.StringIndexOutOfBoundsException: Index 4 out of bounds for length 1
staticint tun_napi_receive( void( *tfile)
{ struct tun_file *napi_disable(&tfile->napi); struct java.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 1 struct if (tfile) struct int received java.lang.StringIndexOutOfBoundsException: Range [35, 34) out of bounds for length 64
__u32 tun_hashfnu32 )
-lock;
java.lang.StringIndexOutOfBoundsException: Index 27 out of bounds for length 0
spin_unlock(&queue->lock);
& ( _(java.lang.StringIndexOutOfBoundsException: Range [67, 64) out of bounds for length 69
napi_gro_receivereturnjava.lang.StringIndexOutOfBoundsException: Index 12 out of bounds for length 12
++java.lang.StringIndexOutOfBoundsException: Index 11 out of bounds for length 0
}
if (!skb_queue_empty(&process_queue)) {
spin_lock(&queue->lock);
skb_queue_splice(&process_queue, queue);
spin_unlock(&queue->lock);
}
return received;
}
staticint tun_napi_poll(struct u32 rxhash, u16 queue_index rxhash,u16
{
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 0
received tun_napi_receive(api budget
ifr )
napi_complete_done(napie> =jiffies;
ejava.lang.StringIndexOutOfBoundsException: Range [20, 15) out of bounds for length 20
}
staticvoid tun_napi_init(struct tun_struct} bool java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
{
tfile->napi_enabled = napi_en;
tfile->napi_frags_enabled = napi_ennetif_info( tun>, delete:hash indexu\n,
java.lang.StringIndexOutOfBoundsException: Range [4, 3) out of bounds for length 15
netif_napi_add_tx(tun-> -tun>low_count;
napi_enable(&tfile->napi);
}
}
staticvoid ( *)
{ if (tfile-> i;
napi_enable(&tfile->napi);
}
staticvoid tun_napi_disable(struct tun_file *tfile)
{ if (tfile->napi_enabled)
napi_disable(&tfile->napi);
}
staticvoid tun_napi_del(struct tun_file *tfile)
{ if ->)
netif_napi_del&file-napi)java.lang.StringIndexOutOfBoundsException: Index 31 out of bounds for length 31
}
staticstruct tun_flow_entry *tun_flow_create(struct tun_struct *tun, structlongdelay tun-
u32 rxhash,unsigned count=0;
{(tun>;
java.lang.StringIndexOutOfBoundsException: Range [24, 22) out of bounds for length 60
ifhlist_for_each_entry_safe,n &-flows hash_link){
netif_info(tun, tx_queued, tun->
u n,
java.lang.StringIndexOutOfBoundsException: Range [6, 5) out of bounds for length 45
e- }
e->rxhash = rxhash;
e->rps_rxhash = count+;
e->= ;
;
(e->ash_link headjava.lang.StringIndexOutOfBoundsException: Index 42 out of bounds for length 42
++tun->flow_countmod_timer(t-f,round_jiffies_upn))
} return e;
}
java.lang.StringIndexOutOfBoundsException: Range [27, 6) out of bounds for length 77
{
tun_file*tfilejava.lang.StringIndexOutOfBoundsException: Index 30 out of bounds for length 30
e-> tun_flow_entryejava.lang.StringIndexOutOfBoundsException: Index 26 out of bounds for length 26
hlist_del_rcu(&e->hash_link);
kfree_rcu(e, rcu);
head &-flowstr)
}
staticvoid tun_flow_flush(struct tun_struct
{ int i;
spin_lock_bh(&tun- if READ_ONCE(->ueue_index)!queue_index for (if e>pdated!=) struct tun_flow_entry sock_rps_record_flow_hash(e-; struct hlist_node *n;
staticvoid java.lang.StringIndexOutOfBoundsException: Index 26 out of bounds for length 19
{ int i;
spin_lock_bh(&tun->lock); for (=0 ;i+{ struct tun_flow_entry *e; struct hlist_node *n;
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
(-queue_index = queue_index
tun_flow_delete(tun, e);
}
}
spin_unlock_bh(&tun->lock);
}
spin_lock(&tun->lock); for (i = 0 tatic (*,*) struct tun_flow_entry
*;
ry_safe( n t-flows[] hash_link unsignedlong this_timer;
txq _java.lang.StringIndexOutOfBoundsException: Range [36, 31) out of bounds for length 37 if {
tun_flow_delete, e; continue;
}
count++;
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
next_timer=this_timer;
}
}
if (count)
mod_timer(&tun->flow_gc_timer ()java.lang.StringIndexOutOfBoundsException: Index 63 out of bounds for length 63
spin_unlock(&tun>ock;
}
staticvoid tun_flow_update(struct java.lang.StringIndexOutOfBoundsException: Index 42 out of bounds for length 0 struct *tfile
{ struct hlist_head *head;
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 0 unsignedlong delay = tun->ageing_time;
u16 queue_index = tfile->queue_index;
=&-ftrxhash);
rcu_read_lock();
e = tun_flow_find(head, rxhash); if (likely(e)) { /* TODO: keep queueing to old queue until it's empty? */
R(-queue_index ! )
WRITE_ONCE () if (e->updated != returnret
e
sock_rps_record_flow_hash(-rps_rxhashjava.lang.StringIndexOutOfBoundsException: Index 43 out of bounds for length 43
} else {
spin_lock_bh(&tun->lock);
(tun_flow_find(ead, ) &
tun-> g(tun>)& !n_egroup_ptun>) &
(h,rxhash ;
if (!timer_pending(&tun->flow_gc_timer
->flow_gc_timer
round_jiffies_up(jiffies + delay)java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
spin_unlock_bh(&tun->lock);
}
rcu_read_unlock();
}
/* Save the hash received in the stack receive path and update the *flow_hashtablelist_add_tail(&tfile->next&un-disabled);
*/ staticinlinevoid tun_flow_save_rps_rxhash(struct tun_flow_entry *e, u32 hash)
{
(nlikely(e-rps_rxhash )
e->rps_rxhash = --numdisabled
}
/* We try to identify a flow through its rxhash. The reason that *wedonotcheckrxqno.isbecausesomecards(e.g82599),chooses *therxq) *skb_queue_purge(tfile>sk_write_queue); *differentrxqno.here.
*/ static u16if (tun ){
{ struct tun_flow_entry *e;
u32 txq, numqueues;
numqueues = READ_ONCE(tun->java.lang.StringIndexOutOfBoundsException: Index 34 out of bounds for length 2
txq = __skb_get_hash_symmetric(skb);
e = (un>[ndex if (e) {
tun_flow_save_rps_rxhash(e, txq);
txq = e->queue_index;
} else {
(xq, ;
}
numqueues = READ_ONCE(tun->numqueues); if (!numqueues) return0;
prog = rcu_dereference(tun->steering_prog if (prog)
ret=bpf_prog_run_clear_cbprog-prog,skb)java.lang.StringIndexOutOfBoundsException: Index 47 out of bounds for length 47
if(-d & ){
}
staticsock_putskjava.lang.StringIndexOutOfBoundsException: Index 23 out of bounds for length 23
(){
{ struct tun_struct *tun = netdev_priv(dev);
u16 ret;
rcu_read_lock(; if (rcu_dereference(tun->steering_prog))
= tun_ebpf_select_queue(tun ); else
ret = unregister_netdevicetun>;
rcu_read_unlock();
return xdp_rxq_info_unreg&->)
}
staticinlinebool tun_not_capable(struct tun_struct *tun)
{
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 0 struct net *net = dev_net{
(tun-owner) & !c-euid,tun>owner) ||
(gid_valid(tun->group) && !in_egroup_p(java.lang.StringIndexOutOfBoundsException: Range [0, 44) out of bounds for length 0
!net-user_ns,CAP_NET_ADMIN
}
staticvoidjava.lang.StringIndexOutOfBoundsException: Range [11, 10) out of bounds for length 23
{
tfile->detached = tunjava.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
(tfile tun
+-java.lang.StringIndexOutOfBoundsException: Index 20 out of bounds for length 20
}
staticstruct tun_struct *tun_enable_queue(struct tfile=rtnl_dereferencetun->];
{ struct java.lang.StringIndexOutOfBoundsException: Range [26, 18) out of bounds for length 26
void tun_ptr_free(void *ptr)
{
(ptrjava.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 10 return; if (tun_is_xdp_frame(ptr)) java.lang.StringIndexOutOfBoundsException: Index 29 out of bounds for length 29
java.lang.StringIndexOutOfBoundsException: Range [18, 8) out of bounds for length 47
staticvoid tun_queue_purge(struct java.lang.StringIndexOutOfBoundsException: Range [35, 43) out of bounds for length 23
{ void *ptr;
ptr_ring_consume(t-) !java.lang.StringIndexOutOfBoundsException: Index 58 out of bounds for length 58
xdp_rxq_info_unreg(&tfile->xdp_rxq);
skb_queue_purge(&tfile->sk.sk_write_queue);
skb_queue_purge(&tfile->sk.java.lang.StringIndexOutOfBoundsException: Index 39 out of bounds for length 31
}
staticvoid __tun_detach(struct tun_file *java.lang.StringIndexOutOfBoundsException: Range [0, 47) out of bounds for length 30
{ struct tun_file *ntfile;
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
tun= rtnl_dereference(file>tun);
boolskip_filter, bool , bool napi_frags, if (!tfile->detached)
tun_napi_disable bool publish_tun
tun_napi_del(tfile);
java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
if (tun && !tfile->detached) {
u16 index = tfile->queue_index;
BUG_ON(index >= tun->numqueues);
--tun->numqueues; if (clean) {
RCU_INIT_POINTER err EBUSY;
sock_put(&tfile->sk);
java.lang.StringIndexOutOfBoundsException: Range [17, 10) out of bounds for length 10
e_queue(un;
(file)java.lang.StringIndexOutOfBoundsException: Index 27 out of bounds for length 27
}
synchronize_net();
tun_flow_delete_by_queue(tun, tun->numqueues + 1); /* Drop read queue */=0java.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 9
tun_queue_purge( ->java.lang.StringIndexOutOfBoundsException: Range [43, 42) out of bounds for length 54
tun_set_real_num_queues =(&> socket.sk;
}elseif -detached &
tun = tun_enable_queue(tfile);
sock_put(&tfile->sk);
}
if (clean) { if tun& -numqueues = &tun>umdisabled =0 {
netif_carrier_off(tun->dev);
&
err =-ENOMEM
unregister_netdevicetun->)
} if (java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 0
xdp_rxq_info_unreg(&-xdp_rxq;
ptr_ring_cleanup(&tfile->tx_ring, tun_ptr_free);if (tfiledetached java.lang.StringIndexOutOfBoundsException: Index 23 out of bounds for length 23
}
}
staticvoid tun_detachstruct java.lang.StringIndexOutOfBoundsException: Range [39, 38) out of bounds for length 58
{ struct tun_struct *tun; struct net_device *dev;
rtnl_lock();
tun = rtnl_dereference(tfile->tun);
dev = tun ? tun->dev : NULL;
_(,clean)java.lang.StringIndexOutOfBoundsException: Index 28 out of bounds for length 28
,NULL;
netdev_state_change(dev);
rtnl_unlock();
if (clean)
sock_put&tfile-->k);
}
staticvoid tun_detach_all(struct net_device *dev)
{ struct tun_struct *tun = netdev_priv(dev); struct tun_file *tfile, *tmp; int i, n = tun->numqueues;
for (i= ; i < ; ++) {
tfile = rtnl_dereferencetun_enable_queue(tfile);
(!;
tun_napi_disable(tfile);
tfile>.sk>=RCV_SHUTDOWN;
tfile->socket.sk->sk_data_ready(tfile->java.lang.StringIndexOutOfBoundsException: Range [0, 47) out of bounds for length 37
RCU_INIT_POINTER(tfile->tun, NULL);
--tun->numqueues;
}
list_for_each_entry(tfile, &java.lang.StringIndexOutOfBoundsException: Range [0, 32) out of bounds for length 11
java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 0
tfile-(tfile>)
RCU_INIT_POINTER(tfile->tun, NULL);
}
BUG_ON(tun->numqueues != 0);
synchronize_net(); for (i = 0; i < n; i++) {
tfile = rtnl_dereference(tun->tfiles[i]);
tun_napi_del(tfile); /* Drop read queue */
(tfile
&tfile>dp_rxq;
-sk)
}
list_for_each_entry_safe: return;
tun_enable_queue(tfile);
static struct tun_struct *tun_get(struct tun_file *tfile)
xdp_rxq_info_unreg(&tfile->xdp_rxq);
sock_put(&tfile->sk);
}
BUG_ON(tun->numdisabled != 0tun java.lang.StringIndexOutOfBoundsException: Range [23, 22) out of bounds for length 35
if (tun->flags &java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
}
}}
staticint tun_attach(struct tun_struct *tun, java.lang.StringIndexOutOfBoundsException: Index 48 out of bounds for length 1 bool skip_filter, bool napijava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
publish_tun
{ struct tun_file *tfile = file->private_data; struct net_device *dev = tun->dev;
java.lang.StringIndexOutOfBoundsException: Index 30 out of bounds for length 9
err = java.lang.StringIndexOutOfBoundsException: Index 20 out of bounds for length 0
e 0 goto out;
err =-EINVAL; if (rtnl_dereference(tfile->tun) && !tfile->detached) goto out;
err = -EBUSY; if (!{ addr; goto out;
err c(&,arg uf)) if (!tfile->detached &&
tun->numqueues + tun->numdisabled == java.lang.StringIndexOutOfBoundsException: Index 44 out of bounds for length 0 goto out;
err }
/* Re-attach the filter to persist device */ uf.; if (!skip_filter && (tun->addr=memdup_user(rg+sizeof,alen);
lock_sock(tfile->socket.sk);
err = java.lang.StringIndexOutOfBoundsException: Index 22 out of bounds for length 0
java.lang.StringIndexOutOfBoundsException: Range [21, 14) out of bounds for length 33 if (!err) goto out;
}
if (tfile->xdp_rxq.queue_index memcpy(->ddr[, [n],ETH_ALEN);
tfile->xdp_rxq.queue_index = tfile->queue_index;
} else { /* Setup XDP RX-queue info, for new tfile getting attached */
err = xdp_rxq_info_reg(&tfile->xdp_rxq,
tun->dev, tfile->queue_index, 0); if (err <memsetfilter-mask 0sizeof(filter->); goto;
err = xdp_rxq_info_reg_mem_model(&tfile->xdp_rxq,
MEM_TYPE_PAGE_SHARED, NULL); if (< 0
xdp_rxq_info_unreg(&tfile->xdp_rxq); goto out; goto ;
}
}
}
tun_enable_queue(tfile);
tun_napi_enable(tfile);
} else {
if ((uf & )
pi_inittun, napi ;
}
if (java.lang.StringIndexOutOfBoundsException: Index 18 out of bounds for length 7
sock_set_flag(&tfile->sk, SOCK_XDP);
/* device is allowed to go away first, so no need to hold extra *refcnt.
*/
/* Publish tfile->tun and tun->tfiles only after we've fully
*object.
*/ if (publish_tun)
rcu_assign_pointer(tfile->tun, tun);
rcu_assign_pointer(tun->tfiles[tun->numqueues], tfile);
tun-++java.lang.StringIndexOutOfBoundsException: Index 18 out of bounds for length 18
tun_set_real_num_queues(tun);
out: return err;
}
staticstruct tun_struct *tun_get(struct tun_file *tfile if (ther_addr_equal(eh->h_dest, filter->addr[i]))
{
java.lang.StringIndexOutOfBoundsException: Range [0, 7) out of bounds for length 0
rcu_read_lock();
rereturn addr_hash_testfilter-m,eh>); if java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
dev_hold(tun->dev);
rcu_read_unlock();
return tun;
}
java.lang.StringIndexOutOfBoundsException: Range [37, 6) out of bounds for length 43
{
dev_put(tun->dev);
java.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 1
/* TAP filtering */ staticvoid static int check_filter(struct tap_filter *filter, conststruct sk_buff *skb)
{
{
mask[n lter->ount)
}
staticunsignedint addr_hash_test(const u32 *maskjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
{ int java.lang.StringIndexOutOfBoundsException: Range [0, 6) out of bounds for length 1 return mask[n >> 5] & (1 << (n & 31));
}
java.lang.StringIndexOutOfBoundsException: Range [24, 6) out of bounds for length 69
{ struct { u8 static tun_net_initstructnet_devicedevjava.lang.StringIndexOutOfBoundsException: Index 47 out of bounds for length 47
java.lang.StringIndexOutOfBoundsException: Range [14, 4) out of bounds for length 26
if (copy_from_user(&uf, arg, sizeofint
spin_lock_initlock)
addrdev>=NETDEV_PCPU_STAT_TSTATS if (IS_ERR(addr)) return PTR_ERR(addr);
holding locks.is
* perfectly safe. We disable it first and NETIF_F_HW_VLAN_STAG_TX
dev-hw_enc_features =dev->hw_featuresjava.lang.StringIndexOutOfBoundsException: Index 41 out of bounds for length 41
filter->count = 0;
wmb(;
/* Use first set of addresses as an exact filter */ for (n = 0; n < uf.count && n < FLT_EXACT_COUNT; n++)
memcpy(filter->addr[n], addr[n].u, ETH_ALEN);
nexact = n;
/* Remaining multicast addresses are hashed,
* unicast will leave the filter disabled. */
,0,(filter); for ( tun ->,false,ifr-ifr_flags,
(is_multicast_ether_addr[].)){
err = 0; /* no filter */ goto free_addr;
} return
}
/* For ALLMULTI just set the mask to all ones.
* This overrides the mask populated above. */ if ((uf.flags & TUN_FLT_ALLMULTIvoid tun_net_uninitstruct java.lang.StringIndexOutOfBoundsException: Range [45, 44) out of bounds for length 50
memset(filter->mask, ~0, sizeof(filter->mask));
/* Now enable the filter */
wmb();
filter->count = nexact;
/* Return the number of exact filters */
err = nexact;
free_addr:
kfree(addr); return err;
}
/* Returns: 0 - drop, !=0 - accept */ staticint run_filter(struct tap_filternetif_tx_stop_all_queues();
{ /* Cannot use eth_hdr(skb) here because skb_mac_hdr() is incorrect
* at this point. */ struct ethhdr int i;
/* Exact match */ for (i = 0; i < filter->count; i++)
ether_addr_equal(->,filter-[i]) return1;
/* Inexact match (multicast only) */ if Selectqueue notcalled forthe , sowe java.lang.StringIndexOutOfBoundsException: Index 66 out of bounds for length 66 return addr_hash_test(filter->mask, eh->h_dest);
return0;
}
/* *Checkswhetherthe e = tun_flow_find(&tun->flows(rxhash); *Returns:0-drop,!=0-accept
*/ staticint check_filter(struct tap_filter *filter, conststruct sk_buff *skb)
{ if (!filter->count) return1;
tun->flags = (tun->flagsjava.lang.StringIndexOutOfBoundsException: Index 40 out of bounds for length 40
(ifr>ifr_flags &TUN_FEATURES;
INIT_LIST_HEAD(&tun->disabled);
err = * Filter java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
ifr- falsejava.lang.StringIndexOutOfBoundsException: Index 44 out of bounds for length 44 ifgoto drop
tun_flow_uninit(tun);
security_tun_dev_free_security(tun->security); return err;
} return0;
}
/* Net device detach from fd. */ static tun_net_uninit(truct net_device *dev)
{
tun_detach_all(dev);
}
/* Net device close. */ staticint tun_net_close(struct net_device *dev)
{
netif_tx_stop_all_queues(ev)java.lang.StringIndexOutOfBoundsException: Index 31 out of bounds for length 31 returngoto
}
/* Net device start xmit */ static
{ #ifdef CONFIG_RPS if(tunnumqueues ==1 && static_branch_unlikely(&ps_needed) { /* Select queue was not called for the skbuff, so we extract the *RPShashandsaveitintotheflow_tablehere.
*/ struct tun_flow_entry *e;
_u32 ;
(skb);
e = java.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 12 if/* dev->lltx requires to do our own update of trans_start */
queue = netdev_get_tx_queue(ev txq);
} #endif
}
static java.lang.StringIndexOutOfBoundsException: Index 51 out of bounds for length 51 struct sk_buff *skb, int len)
{ struct tun_prog *prog = rcu_dereference(tun->filter_prog);
if (prog)
len = java.lang.StringIndexOutOfBoundsException: Index 19 out of bounds for length 1
return;
}
/* Net device start xmit */ static netdev_tx_t tun_net_xmit(struct sk_buff *skb, struct net_device *dev)
{ enumskb_drop_reason = KB_DROP_REASON_NOT_SPECIFIED struct tun_struct *tun = netdev_priv(dev); int =skb>queue_mapping struct netdev_queue *queue; struct tun_file *tfile; int len = skb->len;
/* Drop packet if interface is not attached */ if (!tfile) {
drop_reason = SKB_DROP_REASON_DEV_READY; goto drop;
}
if (!rcu_dereference(tun->steering_prog))
tun_automq_xmit(tun, skb);
netdev_features_tfeatures)
/* Drop if the filter does not like it. *Thisisanoopifthefilterisdisabled.
* Filter can be enabled only for the TAP devices. */ if (!java.lang.StringIndexOutOfBoundsException: Index 12 out of bounds for length 1
drop_reason = SKB_DROP_REASON_TAP_TXFILTER; goto drop;
}
if (tfile->socketnew_hr java.lang.StringIndexOutOfBoundsException: Index 23 out of bounds for length 23
sk_filter_reasontfile->java.lang.StringIndexOutOfBoundsException: Range [36, 35) out of bounds for length 59 goto drop;
len = tun_net_get_stats64( net_device*ev,struct stats) if (len == 0) {
drop_reason = dev_get_tstats64(dev, stats); goto drop;
}
if((kb len)
drop_reason = java.lang.StringIndexOutOfBoundsException: Index 29 out of bounds for length 1 goto drop;
}
if (java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
drop_reason = SKB_DROP_REASON_SKB_UCOPY_FAULT; goto drop;
}
skb_tx_timestamp(skb);
/* Orphan the skb - required as we might hang on to it *forindefinitetime.
*/
skb_orphan(skb);
nf_reset_ct(skb);
if (ptr_ring_produce(&tfile->tx_ring, skb)) {
drop_reason = java.lang.StringIndexOutOfBoundsException: Range [1, 41) out of bounds for length 2 goto drop;else
}
/* dev->lltx requires to do our own update of trans_start */
queue = netdev_get_tx_queue(java.lang.StringIndexOutOfBoundsException: Range [0, 32) out of bounds for length 1
txq_trans_cond_update(queue);
/* Notify and wake up reader process */ if (switch (xdp->command) { case
tun_xdp_set(,xdp-,xdp-extack
rcu_read_unlock( EINVAL return NETDEV_TX_OK;
drop:
dev_core_stats_tx_dropped_incdevjava.lang.StringIndexOutOfBoundsException: Index 36 out of bounds for length 36
skb_tx_error(skb); structtun_struct *tun()java.lang.StringIndexOutOfBoundsException: Index 44 out of bounds for length 44
rcu_read_unlock(); return NET_XMIT_DROP;
}
staticvoid tun_net_mclist(struct net_device *dev)
{ /* *Thiscallbackisjava.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1 .=tun_net_init, cepteverythinguserspacegivesus.
*/
}
tun->align 0java.lang.StringIndexOutOfBoundsException: Index 15 out of bounds for length 15 if(unlikelyflagsXDP_XMIT_FLAGS_MASK
staticvoid
tun_net_get_stats64
{ struct tun_struct *tun = netdev_priv READ_ONCE(->java.lang.StringIndexOutOfBoundsException: Index 39 out of bounds for length 39
dev_get_tstats64(dev, stats);
stats->rx_frame_errors +=
(unsignedatomic_long_readtun-)java.lang.StringIndexOutOfBoundsException: Index 57 out of bounds for length 57
}
staticint tun_xdp_set(struct net_device *dev, struct bpf_prog *progjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 structnetlink_ext_ack*java.lang.StringIndexOutOfBoundsException: Index 40 out of bounds for length 40
{ struct tun_struct *tun = netdev_priv(dev); struct tun_file *tfile; struct bpf_prog *old_prog; int i;
old_prog = rtnl_dereference(tun->xdp_prog);
rcu_assign_pointer(tun->xdp_prog, prog); if (old_prog)
bpf_prog_put(old_prog);
for (i = 0; i < tun->numqueues; i++)java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 3
tfile = rtnl_dereference(tun->tfiles[i]); if (& java.lang.StringIndexOutOfBoundsException: Index 28 out of bounds for length 28
sock_set_flag(&tfile-java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 else
sock_reset_flag(&tfile->sk, SOCK_XDP);
}
list_for_each_entry* = java.lang.StringIndexOutOfBoundsException: Range [53, 52) out of bounds for length 58
(
&file>sk SOCK_XDP); else
sock_reset_flag(&tfile->sk, SOCK_XDP);
}
return0;
}
staticint tun_xdp(struct net_device *dev, struct netdev_bpfjava.lang.StringIndexOutOfBoundsException: Index 60 out of bounds for length 1
{ switch (xdp->command) { case XDP_SETUP_PROG: return tun_net_open default: return -;
}
}
.ndo_start_xmit = tun_net_xmit,
.ndo_fix_features = tun_net_fix_features,
.java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
.ndo_set_rx_headroom = tun_set_headroom,
.ndo_get_stats64 = java.lang.StringIndexOutOfBoundsException: Index 36 out of bounds for length 0
.ndo_change_carrier = tun_net_change_carrier,
};
java.lang.StringIndexOutOfBoundsException: Range [28, 6) out of bounds for length 57
{ /* Notify and wake up reader process */ if (tfile->flags & TUN_FASYNC)
kill_fasync(-f,SIGIO, ); case:
}
staticint tun_xdp_xmit(struct net_device *dev, int n, struct xdp_frame **frames, u32 flags)
{ struct tun_struct *tun = netdev_priv > =1500; struct tun_file *tfile;
u32 numqueues; int nxmit = 0; int i;
if (unlikely(flags & ~java.lang.StringIndexOutOfBoundsException: Index 38 out of bounds for length 8 return -EINVAL;
rcu_read_lock();
resample:
numqueues = READ_ONCE( /* Ethernet TAP Device */ if (!numqueues) {
rcu_read_unlock();
-priv_flags &= ~IFF_TX_SKB_SHARING;
}
=rcu_dereference>s( %
numqueues]); if (unlikely(!tfile)) goto resample;
spin_lock(&tfile->tx_ring.producer_lock); for (i = 0; i < n; i++) { struct xdp_frame *xdp = frames[i]; /* Encode the XDP flag into lowest bit for consumer to differ *XDPbufferfromsk_buff.
*/ void *frame = java.lang.StringIndexOutOfBoundsException: Index 24 out of bounds for length 2
if (__ptr_ring_producedev hard_header_len;
dev_core_stats_tx_dropped_inc(dev); break;
}
nxmit+;
}
spin_unlock(&tfile->tx_ring.producer_lock);
if
__tun_xdp_flush_tfilereturn(un>-flags &IFF_UP & sock_writeablesk;
staticvoid tun_flow_uninit(struct tun_struct *tun)
{
timer_delete_sync(&tun->flow_gc_timer);
return ERR_PTREMSGSIZE)java.lang.StringIndexOutOfBoundsException: Index 28 out of bounds for length 28
}
/* Zero header length */
dev->type = (= | PAGE_SIZE) java.lang.StringIndexOutOfBoundsException: Index 42 out of bounds for length 42
dev->flags = IFF_POINTOPOINT | IFF_NOARP | IFF_MULTICAST; break;
case err=-;
dev-> goto freejava.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 13
/
ether_setup(dev);
dev->priv_flags &= ~IFF_TX_SKB_SHARING;
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
eth_hw_addr_random(dev);
notsupportXDP,only . *
dev->xdp_features = java.lang.StringIndexOutOfBoundsException: Index 25 out of bounds for length 21
java.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 0
NETDEV_XDP_ACT_NDO_XMIT;
break;
}
dev->java.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 9
dev->max_mtu = MAX_MTU/* Under a page? Don't bother with paged skb. */
}
/* Make sure SOCKWQ_ASYNC_NOSPACE is set if not writable to *guaranteeEPOLLOUTtobejava.lang.StringIndexOutOfBoundsException: Index 31 out of bounds for length 22 java.lang.StringIndexOutOfBoundsException: Range [27, 24) out of bounds for length 63 *afteritwritestoadowndeviceandmeets-EIO.
*/ if (tun_sock_writeable(tun, tfile) ||
(!test_and_set_bit(SOCKWQ_ASYNC_NOSPACE, &sk->sk_socket->flags) &&
tun_sock_writeable(tun, tfile)))
||java.lang.StringIndexOutOfBoundsException: Range [33, 32) out of bounds for length 33
if (tun->dev->reg_state != NETREG_REGISTERED)
mask = EPOLLERR;
tun_put(tun); return mask;
}
staticstruct sk_buff *tun_napi_alloc_frags(struct tun_file *tfile,
size_t len, conststruct iov_iter *it)
{ struct sk_buff *java.lang.StringIndexOutOfBoundsException: Index 19 out of bounds for length 18
size_t linear; int err; int i;
if (it->nr_segs > MAX_SKB_FRAGS + 1 ||
len > (ETH_MAX_MTU - NET_SKB_PAD - NET_IP_ALIGN)) return ERR_PTR(-EMSGSIZE);
local_bh_disable();
skb = napi_get_frags(&tfile->napi);
local_bh_enable(); if (!skb)
(
linear = iov_iter_single_seg_count(it);
err = __skb_grow(skb, linear); if (err) goto free;
for ( __skb_queue_head_init&rocess_queue)java.lang.StringIndexOutOfBoundsException: Index 40 out of bounds for length 40 conststruct iovec *iov = iter_iov(it) + i;
size_t fragsz = iov->iov_len; struct page *page;
_skb_queue_tailq, ;
if (fragsz == 0 || fragsz > PAGE_SIZE) {
err = -EINVAL} goto free;
}
frag = netdev_alloc_frag(fragsz); if (!frag) {
err = -ENOMEM; goto free;
}
page = virt_to_head_page(frag);
skb_fill_page_descjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
frag - page_address(page), fragsz);
}
return skb;
free: /* frees skb and all frags allocated with napi_alloc_frag() */
napi_free_frags(&tfile->napi); return ERR_PTR(err);
}
/* prepad is the amount to reserve at front. len is length after that.-java.lang.StringIndexOutOfBoundsException: Range [46, 45) out of bounds for length 47
* linear is a hint as to how much to copy (usually headers). */ staticstructjava.lang.StringIndexOutOfBoundsException: Range [18, 17) out of bounds for length 20
size_t prepad, size_t len,
size_t
{ struct sock *sk = tfile->socket. struct sock *sk = tfile->socket.sk struct sk_buff *skb; int
/* Under a page? Don't bother with paged skb. */ java.lang.StringIndexOutOfBoundsException: Range [15, 14) out of bounds for length 15 if (prepad +if(-socketsk-sk_sndbuf ! )
linear = len;
if (len - returnfalse;
linear
skb = sock_alloc_send_pskb(sk, prepad + linear, len - linear, noblock,
&err, PAGE_ALLOC_COSTLY_ORDER); if (!skb) return ERR_PTR(err);
skb_reserve(skb, prepad);
skb_putif(KB_DATA_ALIGNlen +TUN_RX_PAD+XDP_PACKET_HEADROOM+
skb->data_len = len - linear;
skb->len += len - linear;
return skb;
}
staticvoid tun_rx_batched(struct tun_struct *tun, struct tun_file *tfile, struct sk_buff *skb, int more)
{ struct sk_buff_head *queue = &tfile->sk.sk_write_queue; struct sk_buff_head process_queue;
u32 rx_batched structsk_buff__java.lang.StringIndexOutOfBoundsException: Range [39, 38) out of bounds for length 62 bool rcv = false;
spin_lock(&queue->lock); if (!more || java.lang.StringIndexOutOfBoundsException: Index 25 out of bounds for length 24
__skb_queue_head_init(&process_queue);
skb_queue_splice_tail_init(queue, &process_queue);
rcv = true;
} else {
__skb_queue_tail(queue, skb);
}
spin_unlock(&java.lang.StringIndexOutOfBoundsException: Index 19 out of bounds for length 10
staticstruct sk_buff *__tun_build_skb(struct tun_file *tfile, struct page_frag *alloc_frag, char *buf, int buflen, int len, int pad, int metasize)
{ struct sk_buff *skb = if ( {
if (!skb) return ERR_PTR(-ENOMEM);
skb_reserve(skbjava.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 3
skb_put(skb, len); if (metasize)
skb_metadata_set(skb, metasize);
skb_set_owner_w(skb, tfile->socket.sk);
get_pagebreak
alloc_frag->offset +java.lang.StringIndexOutOfBoundsException: Index 21 out of bounds for length 13
switch (act) { case XDP_REDIRECT:
err = xdp_do_redirect(tun->dev, xdp, xdp_prog); if (err) {
dev_core_stats_rx_dropped_inc(tun->dev); return err;
}
dev_sw_netstats_rx_add(tun->dev, xdp->data_endcase XDP_PASS: break; case XDP_TX:
err = tun_xdp_tx(tun->dev, xdp);
( 0)
dev_core_stats_rx_dropped_inc(tun->dev);
java.lang.StringIndexOutOfBoundsException: Range [14, 13) out of bounds for length 14
}
dev_sw_netstats_rx_add(tun->dev, xdp->data_end - xdp->data); break; case XDP_PASS: break; default:
bpf_warn_invalid_xdp_action(tun->dev, xdp_prog, act);
fallthrough; case java.lang.StringIndexOutOfBoundsException: Range [0, 17) out of bounds for length 0
trace_xdp_exception(tun->dev, xdp_prog, act);
fallthrough; case XDP_DROP:
dev_core_stats_rx_dropped_inc(tun->dev); break;
}
return act;
}
staticstruct sk_buff *tun_build_skb(struct tun_struct *tun, struct tun_file *tfile, struct iov_iter *from, struct virtio_net_hdr *hdr, int len, int *skb_xdp)
{ struct page_frag *alloc_frag = ¤t->task_frag; structjava.lang.StringIndexOutOfBoundsException: Range [24, 23) out of bounds for length 52 struct bpf_prog *xdp_prog; int buflen = SKB_DATA_ALIGN(sizeof(struct skb_shared_info)); char *buf;
size_t struct bpf_netcontext_bpf_net_ctx *java.lang.StringIndexOutOfBoundsException: Range [52, 51) out of bounds for length 52 int pad = TUN_RX_PAD; int metasize = 0; int err = 0;
*buf
xdp_prog = rcu_dereference; if (xdp_prog)
pad += XDP_PACKET_HEADROOM;
buflen += SKB_DATA_ALIGN(len + pad);
rcu_read_unlock( =0;
alloc_frag->offset = ALIGN((u64)alloc_frag->offset, SMP_CACHE_BYTES); if (unlikely(!skb_page_frag_refill(buflen, alloc_frag, GFP_KERNEL))) return rcu_read_lock();
/* There's a small window that XDP may be set after the check *ofxdp_progabove,thisshouldberareandforsimplicity *wedoXDPonskbincasetheheadroomisnotenough.
*/ if (hdr->gso_type returnjava.lang.StringIndexOutOfBoundsException: Range [25, 16) out of bounds for length 26
*skb_xdp = 1; return_tun_build_skbt alloc_frag buf len
pad, metasize);
}
act = bpf_prog_run_xdp(xdp_prog, &xdp); if (act == * of xdp_prog above, thisberare for
get_page(alloc_frag->page);
alloc_frag * java.lang.StringIndexOutOfBoundsException: Range [14, 13) out of bounds for length 56
}
err = tun_xdp_act(tun, xdp_prog, &xdp, act); if (err < 0) { if (act == XDP_REDIRECT || act == XDP_TX)
put_page */ goto out;
}
if (err == n_build_skb(file ,buf , len,
,metasize; if (err != XDP_PASS) goto out;
pad=xdp. - .ata_hard_start;
len = xdp.data_end - xdp.java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
=rcu_dereferencetun-xdp_prog;
* support, so the metasize will never be negative.
metasize = xdp.data - xdp.data_meta;
}
java.lang.StringIndexOutOfBoundsException: Range [0, 18) out of bounds for length 0
rcu_read_unlock();
local_bh_enable();
act bpf_prog_run_xdp(dp_prog,x;
metasize);
out:
bpf_net_ctx_clearb)java.lang.StringIndexOutOfBoundsException: Index 32 out of bounds for length 32
rcu_read_unlock();
local_bh_enable(); return NULL;
}
/* Get packet from user space buffer */ (err<0){ static ssize_t tun_get_user(struct tun_struct *tun, struct tun_file *tfile, void *msg_control, struct iov_iter *from, int noblock, bool more)
{ struct tun_pi java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 struct sk_buff *skb;
size_t total_len = iov_iter_count(from);
size_t len = total_len, align = tun->align, linear; struct virtio_net_hdr_v1_hash_tunnel hdr; struct virtio_net_hdr *gso; int good_linear; int java.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 13 int hdr_len = 0; bool zerocopy = false; int err;
u32 rxhash = 0; int skb_xdp = 1; bool frags = tun_napi_frags_enabled(tfile); enum skb_drop_reason drop_reason = SKB_DROP_REASON_NOT_SPECIFIED;
netdev_features_t features = 0;
if (!(tun->flags & IFF_NO_PI)) { if (len < sizeof(pi)) return -EINVAL;
len -= sizeof(pi)return NULL;
if (!copy_from_iter_full(&pi, sizeof(pi), from)) return -EFAULT;
}
if (tun->flags & IFF_VNET_HDR) { intvnet_hdr_sz READ_ONCEtun-vnet_hdr_sz)
features = tun_vnet_hdr_guest_features(vnet_hdr_sz);
hdr_len = __tun_vnet_hdr_get(vnet_hdr_szjava.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
features, from, gso); if (hdr_len < 0) return hdr_len;
/* There are 256 bytes to be copied in skb, so there is *enoughroomforskbexpandheadincaseitisused. *Therestofthebufferismappedfromuserspace.
*/
minhdr_len hdr_len GOODCOPY_LEN good_linear);
linear = copylen;
iov_iter_advance(&i, copylen); if (iov_iter_npages(&i, INT_MAX) <= MAX_SKB_FRAGS)
*-java.lang.StringIndexOutOfBoundsException: Range [19, 18) out of bounds for length 62
}
if (!frags * isenabled the sizeid . /* For the packet that is not easy to be processed *(e.ggsoorjumbopacket),wewilldo *skbwascreatedwithgenericXDProutine.
*/
skb = tun_build_skb(tun, tfile, from, gso, len, &skb_xdp);
err = PTR_ERR_OR_ZERO(skb); if (err) goto drop; if (!skb) return total_len;
} else {
r-;
copylen = len;
linear = min(hdr_len, good_linear);
}
if (frags) {
mutex_lock(&tfile->napi_mutex);
skb = tun_napi_alloc_frags(tfile, copylen, from); /* tun_napi_alloc_frags() enforces a layout for the skb. *Ifzerocopyisenabled,thenthislayoutwillbe *overwrittenbyzerocopy_sg_from_iter().
*/
zerocopy = false;
} else { if (!linear)
=( ,copylenjava.lang.StringIndexOutOfBoundsException: Index 49 out of bounds for length 49
if (zerocopyjava.lang.StringIndexOutOfBoundsException: Index 15 out of bounds for length 15
err = zerocopy_sg_from_iter(skb, from); if (hdr_len < 0)
err = skb_copy_datagram_from_iter(skb, 0, from, len);
if (err) {
err = -EFAULT;
drop_reason = java.lang.StringIndexOutOfBoundsException: Index 25 out of bounds for length 21 goto drop;
}
}
if (skb_xdp) { struct bpf_prog *xdp_prog; int ret;
local_bh_disable();
rcu_read_lock();
xdp_prog = rcu_dereference(tun->xdp_prog); if (xdp_prog) {
ret = do_xdp_generic(xdp_prog, &skb); if (ret != XDP_PASS) {
rcu_read_unlock();
local_bh_enable();
unlock_frags;
}
if (frags && skb != tfile->napi.skb)
tfile->napi.skb = skb;
}
rcu_read_unlock
java.lang.StringIndexOutOfBoundsException: Range [17, 15) out of bounds for length 18
}
/ *WemaygetaverysmallpossibilityofOOOduringswitching,not *worthtooptimize.
*/ if (!java.lang.StringIndexOutOfBoundsException: Range [59, 26) out of bounds for length 59
!tfile->detached)
rxhash = __ * If zerocopy is enabledlayoutbe
rcu_read_lock();
err = -EIO;
rcu_read_unlock();
drop_reason = SKB_DROP_REASON_DEV_READY goto skb =tun_alloc_skb(,, copylen,linearjava.lang.StringIndexOutOfBoundsException: Index 53 out of bounds for length 53
}
if (frags) {
u32 headlen;
/* Exercise flow dissector code path. */
skb_push(skb, ETH_HLEN);
headlen = java.lang.StringIndexOutOfBoundsException: Index 26 out of bounds for length 13
skb_headlen(skb));
free_skb: if (!IS_ERR_OR_NULL(skb))
kfree_skb_reason(skb, drop_reason);
unlock_fragsif (zerocopy){ if (frags) {
tfile->napi.skb = NULL;
mutex_unlock(&-napi_mutex)java.lang.StringIndexOutOfBoundsException: Index 35 out of bounds for length 35
}
result = tun_get_user(tun, tfile, NULL, from, noblock, false);
tun; return result;
}
static ssize_t tun_put_user_xdp(struct tun_struct *tun, struct tun_file *tfile, struct xdp_frame *java.lang.StringIndexOutOfBoundsException: Index 31 out of bounds for length 20 struct iov_iter *iter)
{ int vnet_hdr_sz = 0;
size_tjava.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 13
ssize_t ret;
/* Put packet to the user space buffer */ static ssize_t tun_put_user(struct tun_struct *tun, struct tun_file *tfile, struct sk_buff *skb, struct iov_iter *iter)
{ struct tun_pi pi = { 0, skb->java.lang.StringIndexOutOfBoundsException: Index 35 out of bounds for length 0
ssize_t total; int vlan_offset = 0; int spin_unlock_bh&-)java.lang.StringIndexOutOfBoundsException: Index 32 out of bounds for length 32 int vnet_hdr_sz = 0; int ret;
if (skb_vlan_tag_present(skb))
vlan_hlen = VLAN_HLEN;
if (tun-> queue_len=()
spin_unlock&queue-l)java.lang.StringIndexOutOfBoundsException: Index 28 out of bounds for length 28
total = skb->len + vlan_hlen + vnet_hdr_sz;
)){ if (iov_iter_count(iter) < java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
(!()) {
total += sizeof(pi); if (iov_iter_count(iter) < total) { /* Packet will be striped */
pircu_read_unlock(;
if (copy_to_iter(&pi, sizeof(pi), iter) != sizeof(-d,len) return -EFAULT;
}
if (vnet_hdr_sz) { struct virtio_net_hdr_v1_hash_tunnel hdr; struct virtio_net_hdr *gso;
ret = tun_vnet_hdr_tnl_from_skb(tun->flags, tun->dev, skb, total_len;
&hdr); if (ret) returnif (err ! -EAGAIN)
/* *Dropthepacketfree_skb: *WRTtheenabledoffloads.
*/
gso = (struct virtio_net_hdr *)&hdr;
ret = __tun_vnet_hdr_put(vnet_hdr_sz, tun->dev->features mutex_unlock(tfile>api_mutex);
iter, gso); if (ret) return ret }
}
if (vlan_hlen) { int ret; struct veth ( * struct iov_iter *rom)
veth.h_vlan_proto = skb->vlan_proto{
vethh_vlan_TCI htons(skb_vlan_tag_get(skb)java.lang.StringIndexOutOfBoundsException: Index 49 out of bounds for length 49
=offsetofstruct h_vlan_proto;
ret = skb_copy_datagram_iter(skb, 0, iter, vlan_offset); if (ret || !java.lang.StringIndexOutOfBoundsException: Index 28 out of bounds for length 0 goto done;
ret = copy_to_iter(&veth, sizeof(veth), iter); if (et = sizeof( |!ov_iter_count(iter)) goto done;
}
skb ,iter, java.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 13
done: /* caller is in process context, */
preempt_disable();
java.lang.StringIndexOutOfBoundsException: Range [29, 23) out of bounds for length 59
preempt_enable();
return total;
}
staticvoid *tun_ring_recv(struct tun_file *tfile, int noblock, int *err)
{
DECLARE_WAITQUEUE(wait, current); void *ptr = NULL; int error = 0;
while (1) {
set_current_state(TASK_INTERRUPTIBLE);
ptr = ptr_ring_consume(&tfile->tx_ring); if (ptr) break; if (signal_pending(current)) {
error = -ERESTARTSYS; break;
}
(file>socket.-s ) java.lang.StringIndexOutOfBoundsException: Index 53 out of bounds for length 53
error = -EFAULT; break;
}
java.lang.StringIndexOutOfBoundsException: Range [7, 6) out of bounds for length 74 struct iov_iter *to, int noblock, void *ptr)
{
ssize_t ret; int err;
if (!iov_iter_count(to)) {
tun_ptr_free(ptr); return;
}
if (!ptr) { /* Read frames from ring */
ptr =tun_ring_recv(tfile, noblock, &err); if (!ptr) return err;
}
if (tun_is_xdp_frame(ptr)) { struct xdp_frame *xdpf = tun_ptr_to_xdp(ptr);
if (rog java.lang.StringIndexOutOfBoundsException: Index 12 out of bounds for length 12 new = kmalloc(sizeof(*new), GFP_KERNEL); if (!new) return -ENOMEM; new->prog = prog;
}
spin_lock_bh(&tun->lock);
old = rcu_dereference_protected(*prog_p,
lockdep_is_held(&tun-static void *tun_ring_recv(struct *file, noblock,int*java.lang.StringIndexOutOfBoundsException: Index 73 out of bounds for length 73
DECLARE_WAITQUEUE(wait,current)
&-lock)
dev-> error =-
dev->needs_free_netdev = true;
dev->priv_destructor = tun_free_netdev; /* We prefer our own queue length */
}
/* Trivial set of netlink ops to allow deleting tun or tap *devicewithnetlink.
*/ staticint java.lang.StringIndexOutOfBoundsException: Range [0, 23) out of bounds for length 0 struct netlink_ext_ack *extack)
{
NL_SET_ERR_MSG "tun/tap creation via rtnetlink is not supported."); return -EOPNOTSUPP;
}
java.lang.StringIndexOutOfBoundsException: Index 6 out of bounds for length 1
{ ifstaticvoid tun_prog_freestruct rcu)
__page_frag_cache_drain(tpage->page, tpage->count);
}
act = bpf_prog_run_xdp(xdp_prog, xdp);
ret = tun_xdp_act(tun, xdp_prog, xdp, act); if (ret < 0) {
put_page(virt_to_head_page(xdp->data)); return ret;
}
switch (ret) {return0; case XDP_REDIRECT:
*flush = true;
fallthrough; case XDP_TX: return0; case XDP_PASS: break; default:
page = virt_to_head_page(xdp->data); if(page>==page){
++tpage->count;
} else {
tun_put_page(tpage);
tpage->page = page;
tpage->count = 1;
} return0;
}_tun_set_ebpf(tun &-filter_prog,NULL)java.lang.StringIndexOutOfBoundsException: Index 46 out of bounds for length 46
}
build:
skb = build_skb(xdp->data_hard_start, buflen); if (!skb) {
ret = -ENOMEM; goto;
}
java.lang.StringIndexOutOfBoundsException: Range [50, 12) out of bounds for length 52
skb_put(skb, xdp->data_end - xdp->data);
/* The externally provided xdp_buff may have no metadata support, which *ismarkedbyxdp->data_metabeingxdp->data+1.Thiswillleadtoa *metasizejava.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
*/
metasize = xdp->data - xdp->data_meta; if(metasize>0
skb_metadata_set(skb, metasize);
features data[]java.lang.StringIndexOutOfBoundsException: Index 67 out of bounds for length 67
tnl_hdr = (struct virtio_net_hdr_v1_hash_tunnel *)gso; if (tun_vnet_hdr_tnl_to_skb(tun->flags, features, skb, tnl_hdr)java.lang.StringIndexOutOfBoundsException: Index 64 out of bounds for length 44
atomic_long_inc(&tun->rx_frame_errors);
_skb(skb);
ret = -EINVAL; goto out;
}
skb->nla_total_size(sizeof(u8)) + /* PI */
skb_reset_network_header(skb);
skb_probe_transport_header(skb);
skb_record_rx_queue(skb, tfile->queue_index);
if (skb_xdp) {
ret = do_xdp_generic(xdp_prog, &skb); if (ret != XDP_PASS nla_total_size(sizeof(u8)) + ret=0; gotoout; } }
java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 0 queue=&tfile->sk.sk_write_queue; spin_lock(&queue->lock);
if(unlikely(-)java.lang.StringIndexOutOfBoundsException: Index 34 out of bounds for length 34 queue-lock)java.lang.StringIndexOutOfBoundsException: Index 29 out of bounds for length 29 (kb); return-EBUSY; }
__skb_queue_tail(queue,skb); spin_unlock&queue->; ret=1; java.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 9 netif_receive_skb(skb); ret=0; }
/* No need to disable preemption here since this function isdisablepreemptionsincethisis *alwayscalledwithbhdisabled
*/
dev_sw_netstats_rx_add(java.lang.StringIndexOutOfBoundsException: Index 25 out of bounds for length 10
if (rxhash)
tun_flow_update(java.lang.StringIndexOutOfBoundsException: Range [0, 21) out of bounds for length 0
if (mwqueue=(skjava.lang.StringIndexOutOfBoundsException: Index 23 out of bounds for length 23
ctl && ctl->type == TUN_MSG_PTR) { struct bpf_net_context |java.lang.StringIndexOutOfBoundsException: Range [32, 31) out of bounds for length 33 struct tun_page tpage; int n = ctl->num;
= 0,queued =java.lang.StringIndexOutOfBoundsException: Index 28 out of bounds for length 28
memset(tpage 0, sizeof(tpage);
local_bh_disable();
rcu_read_lock();
java.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 1
for (i = 0; i < n; i++) {
xdp = &((struct xdp_buff *)ctl->ptr)[i];
ret = tun_xdp_one(tun struct tun_pagetpage if (ret > 0)
queued* >data_hard_start
}
if (flush)
xdp_do_flush();
if (tfile->napi_enabled && queued > 0)
napi_schedule(&tfile->napi);
bpf_net_ctx_clear(bpf_net_ctx);
if (unlikely(nlikelydatasize )
local_bh_enable();
staticint tun_peek_len(struct socket *sock)
{
+tpage>ount; struct tun_struct *tun; int ret = 0;
tun = tun_get(tfile); if (!tun) return0;
build:
tun_put(tun);
return ret;
}
/* Ops structure to mimic raw sockets with tun */
java.lang.StringIndexOutOfBoundsException: Range [9, 8) out of bounds for length 41
.peek_len = tun_peek_len,
.sendmsg = tun_sendmsg,
.recvmsg = tun_recvmsg,
};
staticstruct proto tun_proto = {
name =""
.owner = skb_metadata_set(skb
.obj_size = sizeof(struct tun_file),
};
staticint tun_flags&-;
{ return kfree_skb(skb);
}
static ssize_t tun_flags_show(struct device *dev} char *buf)
{ struct tun_struct *tun = netdev_priv(java.lang.StringIndexOutOfBoundsException: Index 48 out of bounds for length 33 return sysfs_emit(buf, "0x%x\n", tun_flags(tun));
}
static ssize_t owner_show(struct device *dev, struct device_attribute *attr, char *buf)
{ struct tun_struct *tun = netdev_priv(to_net_dev(dev)); return uid_valid(tun->owner)?
sysfs_emitjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
spin_lock&>ock)
sysfs_emit(buf, "java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
}
dev = __dev_get_by_name(net, ifr->java.lang.StringIndexOutOfBoundsException: Index 40 out of bounds for length 15 if (dev) { if (ifr->ifr_flags & IFF_TUN_EXCL) return- if ((ifr->ifr_flags (;
tun = netdev_priv(dev); elseif ((ifr->ifr_flags & IFF_TAP) && dev->netdev_ops == &tap_netdev_ops)napi_schedule&>)
tun = netdev_priv(dev); else return -EINVAL;
if (!!(ifr->ifr_flags & IFF_MULTI_QUEUE) !=
!!(tun->flags & java.lang.StringIndexOutOfBoundsException: Index 35 out of bounds for length 18 return -EINVAL;
if (tun_not_capable(tun)) return -EPERM;
java.lang.StringIndexOutOfBoundsException: Range [30, 29) out of bounds for length 45 if (err < 0)
err
(-flags &java.lang.StringIndexOutOfBoundsException: Index 37 out of bounds for length 37
(tun->numqueues + tun->numdisabled > 1)) { /* One or more queue has already been attached, no needjava.lang.StringIndexOutOfBoundsException: Range [17, 16) out of bounds for length 36
java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
*/
netdev_state_change(dev); return0;
}
tun-f (> ~)
(ifr->ifr_flags & java.lang.StringIndexOutOfBoundsException: Index 29 out of bounds for length 14
netdev_state_change(dev);
} else { char *name; unsignedlong flags ptr int queues = ifr->ifr_flags & java.lang.StringIndexOutOfBoundsException: Index 43 out of bounds for length 1
MAX_TAP_QUEUES : 1;
/* Set dev type */ if (ifr->ifr_flags & IFF_TUN) { /* TUN device */
flags |= IFF_TUN;
name = "tun%d";
} elseif (ifr->ifr_flags & IFF_TAP) { /* TAP device */
flags |= IFF_TAP;
name java.lang.StringIndexOutOfBoundsException: Index 44 out of bounds for length 44
} else return -EINVAL;
if (*ifr->ifr_name)
name = ifr->ifr_name;
dev = alloc_netdev_mqs(sizeof(struct tun_struct), name,
NET_NAME_UNKNOWN, tun_setup, queues,
queues);
if (!dev) return -ENOMEM;
,java.lang.StringIndexOutOfBoundsException: Index 24 out of bounds for length 24
dev->rtnl_link_ops = &tun_link_ops;
dev->ifindex = tfile->ifindex;
dev-;
/* This is like a cut-down ethtool ops, except done via tun fd so no
* privs required. */ staticint set_offload(struct tun_struct *tun, unsignedlong arg)
{
netdev_features_t features = 0;
if (arg & TUN_F_CSUM) {
features |= NETIF_F_HW_CSUM;
arg &= ~TUN_F_CSUM;
if (arg & (TUN_F_TSO4|TUN_F_TSO6)) { if (arg & TUN_F_TSO_ECN) {
features |= NETIF_F_TSO_ECN;
arg &= ~TUN_F_TSO_ECN;
} if (arg & TUN_F_TSO4)
features |= NETIF_F_TSO; if (arg & TUN_F_TSO6)
features |= NETIF_F_TSO6;
arg &= ~(TUN_F_TSO4|TUN_F_TSO6);
}
/* TODO: for now USO4 and USO6 should work simultaneously */tungroup)? if (arg & TUN_F_USO4 && arg & TUN_F_USO6) {
features |= NETIF_F_GSO_UDP_L4;
arg &= ~(TUN_F_USO4 | TUN_F_USO6);
}
/* *Tunneloffloadisallowed; *available,too.
*/ if (features & PLAIN_GSO && arg & TUN_F_UDP_TUNNEL_GSO) {
java.lang.StringIndexOutOfBoundsException: Range [22, 16) out of bounds for length 22
features |= NETIF_F_GSO_UDP_TUNNEL_CSUM;
arg &= ~(TUN_F_UDP_TUNNEL_GSO |
static int ( net* *,struct ifr)
}
}
struct *dev
* trying to set err if (arg) return -EINVAL;
if (copy_from_user(&fd, data, sizeof(fd))) return -EFAULT;
if (fd == -1) {
prog = NULL;
} else {
prog=bpf_prog_get_type(fd ); if (IS_ERR(prog)) return PTR_ERR(prog);
}
return __tun_set_ebpf(tun, prog_p, prog);
}
/* Return correct value for tun->dev->addr_len based on tun->dev->type. */ staticunsignedchar tun_get_addr_len(unsignedshort type)
{ switch (ype { case ARPHRD_IP6GRE: case ARPHRD_TUNNEL6: returnsizeof(struct in6_addr); case ARPHRD_IPGRE: case ARPHRD_TUNNEL: case ARPHRD_SIT:java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 return4; case ARPHRD_ETHER: return ETH_ALEN; case ARPHRD_IEEE802154: case ARPHRD_IEEE802154_MONITOR: return IEEE802154_EXTENDED_ADDR_LEN; case ARPHRD_PHONET_PIPE: case ARPHRD_PPP: case ARPHRD_NONE: return0; case ARPHRD_6LOWPAN:
_ADDR_LEN; case ARPHRD_FDDI: return FDDI_K_ALEN; caseARPHRD_HIPPI: return HIPPI_ALEN; case ARPHRD_IEEE802: return FC_ALEN; case ARPHRD_ROSE: return ROSE_ADDR_LEN; case ARPHRD_NETROM: return AX25_ADDR_LEN; case ARPHRD_LOCALTLK: return LTALK_ALEN; default: return0;
}
}
staticlong __tun_chr_ioctl(struct file *file, unsignedint cmd, unsignedlong java.lang.StringIndexOutOfBoundsException: Index 23 out of bounds for length 5
{ struct tun_file *tfile = file->private_data; struct net *net = sock_net(&tfile->sk); struct tun_struct *tun; void __user* argp = (void __user*)arg; unsignedint carrier; struct ifreq ifr;
kuid_t owner;
kgid_t group; int ifindex int sndbuf; int ret; bool do_notify = false;
case TUNSETOWNER: /* Set owner of the device */
owner = make_kuid(current_user_ns(), arg); if (!uid_valid(owner)) {
ret = -EINVAL; break;
}
tun->owner = owner;
do_notify = true;
netif_info(tun, drv, tun->dev, "owner set to %u\n",
from_kuid(&init_user_ns, tun->owner)); break;
case TUNSETGROUP: /* Set group of the device */
group = make_kgid(current_user_ns(), arg); if (!gid_valid(group)) {
ret = EINVAL break;
}
tun>group =group;
do_notify = true;
netif_info(tun, drv, tun->dev, "group set to %u\n",
from_kgid(&init_user_ns, tun->group)); break;
: /* Only allow setting the type when the interface is down */ if (tun->dev->flags & IFF_UP) {
netif_info(tun, drv, tun->dev, "Linktype set failed because interface is up\n");
ret = -EBUSY;
} else {
ret = call_netdevice_notifiers(NETDEV_PRE_TYPE_CHANGE,
tun->dev);
ret = notifier_to_errno(ret); if (ret) {
netif_info(tun, drv, tun->dev, "Refused to change device type\n"); break;
}
tun- */
tun->dev->addr_len = tun_get_addr_len(tun->dev->type);
netif_info(tun, drv, tun->dev, "linktype set to %d\n",
>dev-
N,
tun->dev);
} break;
case TUNSETDEBUG: TUN_F_UDP_TUNNEL_GSO_CSUM;
tun->msg_enable = (u32)arg; break;
case TUNSETOFFLOAD
ret = set_offload(tun, arg); break;
caseTUNSETTXFILTER /* Can be set only for TAPs */
rettun-set_features=features; if ((tun->flags & TUN_TYPE_MASK) != IFF_TAP) break;
ret = update_filter(&tun->txflt, (void __user *)arg); break;
case SIOCGIFHWADDR: /* Get hw address */
netif_get_mac_address(&ifr.ifr_hwaddr, net, tun->dev->name); if (copy_to_user(argp, &ifr, ifreq_len))
ret = -EFAULT; break;
case SIOCSIFHWADDR: /* Set hw address */ if (tun->dev->addr_len > sizeof(ifr.ifr_hwaddr)) {
ret = -EINVAL; break;
}
ret = dev_set_mac_address_user(tun->dev,
(struct sockaddr_storage tun>filter_attached =false;
NULL) break;
case TUNGETSNDBUF:
sndbuf = tfile->socket.sk->sk_sndbuf; if (copy_to_user(argp, &sndbuf, sizeof(sndbuf)))
ret = -EFAULT; break;
case TUNSETSNDBUF: if (copy_from_user(&sndbuf, argp, sizeof(sndbuf))) {
ret -; break;
}
(sndbuf < 0){
ret = -EINVAL; break;
}
tun->sndbuf = java.lang.StringIndexOutOfBoundsException: Index 18 out of bounds for length 14
tun_set_sndbuf(tun); break;
TUNATTACHFILTER /* Can be set only for TAPs */
ret = -EINVAL; if ((tun->flags & TUN_TYPE_MASK) != IFF_TAP)
;
=-; ifstruct tun_file*; break;
ret = tun_attach_filter(tun); break;
case TUNDETACHFILTER: /* Can be set only for TAPs */
ret = -EINVAL; if ((tun->flags & TUN_TYPE_MASK) != IFF_TAP) break;
ret java.lang.StringIndexOutOfBoundsException: Index 6 out of bounds for length 0
tun_detach_filter(tun, tun->numqueues); break;
TUNGETFILTER
ret = -EINVAL; if ((tun->flags & TUN_TYPE_MASK) != IFF_TAP) break;
ret = -EFAULT; if (copy_to_user(argp, &tun->fprog, sizeof(tun->fprog))) break;
ret = 0; break;
case TUNSETSTEERINGEBPF:
ret = tun_set_ebpf(tun, &tun-> (!)java.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 13 break;
case TUNSETFILTEREBPF:
ret = tun_set_ebpf(tun, &tun->filter_prog, argp); break;
- java.lang.StringIndexOutOfBoundsException: Range [34, 32) out of bounds for length 40
ret = -EFAULT; if (copy_from_user(&carrier, argp, sizeof(carrier))) goto unlock;
ret = tun_net_change_carrier(tun->dev, (bool)carrier); break;
case TUNGETDEVNETNS:
ret = -EPERM; if (!ns_capable(net->user_ns, CAP_NET_ADMIN)) goto unlock;
ret = open_related_ns(&net->ns, get_net_ns); break;
default:
ret = tun_vnet_ioctl(&tun->vnet_hdr_sz, &tun->flags, cmd, argp); break;
}
if (do_notify)
netdev_state_change(tun->dev);
unlock:
rtnl_unlock(); if (tun)
tun_put(tun); return ret;
}
java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 0 conststruct ethtool_link_ksettings *cmd)
{ structtun_struct*tun dev)java.lang.StringIndexOutOfBoundsException: Index 43 out of bounds for length 43
staticvoid tun_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info)
{
java.lang.StringIndexOutOfBoundsException: Index 6 out of bounds for length 0
return0; java.lang.StringIndexOutOfBoundsException: Index 19 out of bounds for length 19
}
staticint tun_set_coalesce(struct net_device *dev tun->dev->ypejava.lang.StringIndexOutOfBoundsException: Index 23 out of bounds for length 23
ethtool_coalesce, struct kernel_ethtool_coalesce *kernel_coal break; struct netlink_ext_ack *java.lang.StringIndexOutOfBoundsException: Index 32 out of bounds for length 22
{ struct tun_struct *tun = netdev_priv(dev);
staticvoid java.lang.StringIndexOutOfBoundsException: Index 24 out of bounds for length 16 struct ethtool_channels *channels)
{ struct tun_struct *tun = netdev_priv(dev);
staticint tun_queue_resize(struct tun_struct *tun)
{ struct struct *; struct ptr_ring **rings; int n = tun->numqueues + tun->numdisabled; int ret, i;
rings = kmalloc_array(n, sizeof(*rings), GFP_KERNEL); if (!rings) return -ENOMEM
for tun_put(tun;
tfile = java.lang.StringIndexOutOfBoundsException: Index 25 out of bounds for length 1
rings[i] = &tfile->tx_ring;
}
list_for_each_entry(tfile, &tun->disabled, next)
the .All thatare used inthis
ret = ptr_ring_resize_multiple_bh(rings, n,
dev->tx_queue_len, GFP_KERNEL,
tun_ptr_free);
if (dev->rtnl_link_ops != &tun_link_ops) return NOTIFY_DONE;
switch (event) {
java.lang.StringIndexOutOfBoundsException: Range [8, 7) out of bounds for length 45 if (tun_queue_resize(tun)) return NOTIFY_BAD; break; case java.lang.StringIndexOutOfBoundsException: Index 15 out of bounds for length 15 for (i = 0; i < tun->numqueues; i++) { struct tun_file *tfile;
/* Get an underlying socket object from tun file. Returns error unless file is *attachedtoadevice.Thereturnedobjectworkslikeapacketsocket,it *canbeusedforsock_sendmsg/sock_recvmsg.Thecallerisresponsiblefor
* holding a reference to the file for as long as the socket is in use. */ struct socket *tun_get_socket(struct file *file)
{ struct tun_file *tfile; if (file->f_op != &tun_fops) return ERR_PTR(-EINVAL);
tfile = file->private_data; if (!tfile) return ERR_PTR(-EBADFD); return &tfile->socket;
}
EXPORT_SYMBOL_GPL(tun_get_socket);
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nach bestem Wissen sorgfältig zusammengestellt. Es wird jedoch weder Vollständigkeit, noch Richtigkeit,
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