diff options
author | Martin Pieuchot <mpi@cvs.openbsd.org> | 2017-09-01 15:05:32 +0000 |
---|---|---|
committer | Martin Pieuchot <mpi@cvs.openbsd.org> | 2017-09-01 15:05:32 +0000 |
commit | 12f74acdeb1b3c509e5d628e1e838e1738ea082a (patch) | |
tree | b1cddabdd93422bcd10172a3790c6a941ac6e4bd /sys/nfs | |
parent | aebafd059da2974a1bcbe5ec8c474a8c881b8ca9 (diff) |
Change sosetopt() to no longer free the mbuf it receives and change
all the callers to call m_freem(9).
Support from deraadt@ and tedu@, ok visa@, bluhm@
Diffstat (limited to 'sys/nfs')
-rw-r--r-- | sys/nfs/krpc_subr.c | 6 | ||||
-rw-r--r-- | sys/nfs/nfs_socket.c | 6 | ||||
-rw-r--r-- | sys/nfs/nfs_syscalls.c | 4 |
3 files changed, 13 insertions, 3 deletions
diff --git a/sys/nfs/krpc_subr.c b/sys/nfs/krpc_subr.c index 3e073388c4e..346ff9ec989 100644 --- a/sys/nfs/krpc_subr.c +++ b/sys/nfs/krpc_subr.c @@ -1,4 +1,4 @@ -/* $OpenBSD: krpc_subr.c,v 1.31 2017/08/10 19:20:43 mpi Exp $ */ +/* $OpenBSD: krpc_subr.c,v 1.32 2017/09/01 15:05:31 mpi Exp $ */ /* $NetBSD: krpc_subr.c,v 1.12.4.1 1996/06/07 00:52:26 cgd Exp $ */ /* @@ -242,6 +242,7 @@ krpc_call(struct sockaddr_in *sa, u_int prog, u_int vers, u_int func, s = solock(so); error = sosetopt(so, SOL_SOCKET, SO_RCVTIMEO, m); sounlock(s); + m_freem(m); if (error) goto out; @@ -257,6 +258,7 @@ krpc_call(struct sockaddr_in *sa, u_int prog, u_int vers, u_int func, s = solock(so); error = sosetopt(so, SOL_SOCKET, SO_BROADCAST, m); sounlock(s); + m_freem(m); if (error) goto out; } @@ -273,6 +275,7 @@ krpc_call(struct sockaddr_in *sa, u_int prog, u_int vers, u_int func, s = solock(so); error = sosetopt(so, IPPROTO_IP, IP_PORTRANGE, mopt); sounlock(s); + m_freem(mopt); if (error) goto out; @@ -299,6 +302,7 @@ krpc_call(struct sockaddr_in *sa, u_int prog, u_int vers, u_int func, s = solock(so); error = sosetopt(so, IPPROTO_IP, IP_PORTRANGE, mopt); sounlock(s); + m_freem(mopt); if (error) goto out; diff --git a/sys/nfs/nfs_socket.c b/sys/nfs/nfs_socket.c index 2251b6fbf55..1b52fe1d804 100644 --- a/sys/nfs/nfs_socket.c +++ b/sys/nfs/nfs_socket.c @@ -1,4 +1,4 @@ -/* $OpenBSD: nfs_socket.c,v 1.125 2017/08/14 16:56:57 tedu Exp $ */ +/* $OpenBSD: nfs_socket.c,v 1.126 2017/09/01 15:05:31 mpi Exp $ */ /* $NetBSD: nfs_socket.c,v 1.27 1996/04/15 20:20:00 thorpej Exp $ */ /* @@ -270,6 +270,7 @@ nfs_connect(struct nfsmount *nmp, struct nfsreq *rep) s = solock(so); error = sosetopt(so, IPPROTO_IP, IP_PORTRANGE, mopt); sounlock(s); + m_freem(mopt); if (error) goto bad; @@ -294,6 +295,7 @@ nfs_connect(struct nfsmount *nmp, struct nfsreq *rep) s = solock(so); error = sosetopt(so, IPPROTO_IP, IP_PORTRANGE, mopt); sounlock(s); + m_freem(mopt); if (error) goto bad; } @@ -358,12 +360,14 @@ nfs_connect(struct nfsmount *nmp, struct nfsreq *rep) *mtod(m, int32_t *) = 1; m->m_len = sizeof(int32_t); sosetopt(so, SOL_SOCKET, SO_KEEPALIVE, m); + m_freem(m); } if (so->so_proto->pr_protocol == IPPROTO_TCP) { MGET(m, M_WAIT, MT_SOOPTS); *mtod(m, int32_t *) = 1; m->m_len = sizeof(int32_t); sosetopt(so, IPPROTO_TCP, TCP_NODELAY, m); + m_freem(m); } sndreserve = (nmp->nm_wsize + NFS_MAXPKTHDR + sizeof (u_int32_t)) * 2; diff --git a/sys/nfs/nfs_syscalls.c b/sys/nfs/nfs_syscalls.c index 2e92ecad6c6..0f98a30d39d 100644 --- a/sys/nfs/nfs_syscalls.c +++ b/sys/nfs/nfs_syscalls.c @@ -1,4 +1,4 @@ -/* $OpenBSD: nfs_syscalls.c,v 1.110 2017/08/09 14:22:58 mpi Exp $ */ +/* $OpenBSD: nfs_syscalls.c,v 1.111 2017/09/01 15:05:31 mpi Exp $ */ /* $NetBSD: nfs_syscalls.c,v 1.19 1996/02/18 11:53:52 fvdl Exp $ */ /* @@ -265,6 +265,7 @@ nfssvc_addsock(struct file *fp, struct mbuf *mynam) *mtod(m, int32_t *) = 1; m->m_len = sizeof(int32_t); sosetopt(so, SOL_SOCKET, SO_KEEPALIVE, m); + m_freem(m); } if (so->so_proto->pr_domain->dom_family == AF_INET && so->so_proto->pr_protocol == IPPROTO_TCP) { @@ -272,6 +273,7 @@ nfssvc_addsock(struct file *fp, struct mbuf *mynam) *mtod(m, int32_t *) = 1; m->m_len = sizeof(int32_t); sosetopt(so, IPPROTO_TCP, TCP_NODELAY, m); + m_freem(m); } so->so_rcv.sb_flags &= ~SB_NOINTR; so->so_rcv.sb_timeo = 0; |