hash = nexthdr & (MAX_INET_PROTOS -1);if((ipprot =rcu_dereference(inet6_protos[hash])) !=NULL) {intret;if(ipprot->flags & INET6_PROTO_FINAL) {structipv6hdr*hdr;/* Free reference early: we don't need it any more, and it may hold ip_conntrack module loaded indefinitely. */nf...
tid_tx =rcu_dereference_protected_tid_tx(sta, tid);#ifdefCONFIG_MAC80211_HT_DEBUGprintk(KERN_DEBUG"Aggregation is on for tid %d\n", tid);#endifdrv_ampdu_action(local, sta->sdata, IEEE80211_AMPDU_TX_OPERATIONAL, &sta->sta, tid,NULL, tid_tx->buf_size);/* * synchronize with TX p...
在Linux内核中，RCU用于在多个进程共享相同内存空间时，保证这些进程之间的数据一致性。本文首先介绍了RCU...
简单的文件复制代码，当seccomp功能打开的时候，代码执行到25行“open(argv[1], O_RDONLY)”时就会 ...
rcu_read_lock(); nc = rcu_dereference(mdev->tconn->net_conf); size = apv <= 87 ? sizeof(struct p_rs_param) : apv == 88 ? sizeof(struct p_rs_param) + strlen(mdev->tconn->net_conf->verify_alg) + 1 + strlen(nc->verify_alg) + 1 : apv <= 94 ? sizeof(struct p_rs_...
null-deref crash often happens in rcu_segcblist_enqueue() with a "delete_controller" command being performed on a nvme controller. Raw [454339.774039] nvme nvme1: Property Set error: -4, offset 0x14 [454339.780850] BUG: kernel NULL pointer dereference, address: 0000000000000000 [454339.791467] ...