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https://github.com/torvalds/linux
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8fa677d270
Under low memory conditions, tcp_sk_init() and icmp_sk_init() can both iterate on all possible cpus and call inet_ctl_sock_destroy(), with eventual NULL pointer. Signed-off-by: Eric Dumazet <edumazet@google.com> Reported-by: Dmitry Vyukov <dvyukov@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
48 lines
1.6 KiB
C
48 lines
1.6 KiB
C
#ifndef _INET_COMMON_H
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#define _INET_COMMON_H
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extern const struct proto_ops inet_stream_ops;
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extern const struct proto_ops inet_dgram_ops;
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/*
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* INET4 prototypes used by INET6
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*/
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struct msghdr;
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struct sock;
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struct sockaddr;
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struct socket;
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int inet_release(struct socket *sock);
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int inet_stream_connect(struct socket *sock, struct sockaddr *uaddr,
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int addr_len, int flags);
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int __inet_stream_connect(struct socket *sock, struct sockaddr *uaddr,
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int addr_len, int flags);
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int inet_dgram_connect(struct socket *sock, struct sockaddr *uaddr,
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int addr_len, int flags);
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int inet_accept(struct socket *sock, struct socket *newsock, int flags);
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int inet_sendmsg(struct socket *sock, struct msghdr *msg, size_t size);
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ssize_t inet_sendpage(struct socket *sock, struct page *page, int offset,
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size_t size, int flags);
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int inet_recvmsg(struct socket *sock, struct msghdr *msg, size_t size,
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int flags);
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int inet_shutdown(struct socket *sock, int how);
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int inet_listen(struct socket *sock, int backlog);
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void inet_sock_destruct(struct sock *sk);
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int inet_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len);
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int inet_getname(struct socket *sock, struct sockaddr *uaddr, int *uaddr_len,
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int peer);
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int inet_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg);
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int inet_ctl_sock_create(struct sock **sk, unsigned short family,
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unsigned short type, unsigned char protocol,
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struct net *net);
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int inet_recv_error(struct sock *sk, struct msghdr *msg, int len,
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int *addr_len);
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static inline void inet_ctl_sock_destroy(struct sock *sk)
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{
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if (sk)
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sock_release(sk->sk_socket);
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}
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#endif
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