diff options
Diffstat (limited to 'net/core/scm.c')
| -rw-r--r-- | net/core/scm.c | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/net/core/scm.c b/net/core/scm.c index 44c4ec2c876..100ba6d9d47 100644 --- a/net/core/scm.c +++ b/net/core/scm.c @@ -24,6 +24,8 @@ #include <linux/interrupt.h> #include <linux/netdevice.h> #include <linux/security.h> +#include <linux/pid.h> +#include <linux/nsproxy.h> #include <asm/system.h> #include <asm/uaccess.h> @@ -42,7 +44,7 @@ static __inline__ int scm_check_creds(struct ucred *creds) { - if ((creds->pid == current->tgid || capable(CAP_SYS_ADMIN)) && + if ((creds->pid == task_tgid_vnr(current) || capable(CAP_SYS_ADMIN)) && ((creds->uid == current->uid || creds->uid == current->euid || creds->uid == current->suid) || capable(CAP_SETUID)) && ((creds->gid == current->gid || creds->gid == current->egid || @@ -167,7 +169,8 @@ error: int put_cmsg(struct msghdr * msg, int level, int type, int len, void *data) { - struct cmsghdr __user *cm = (struct cmsghdr __user *)msg->msg_control; + struct cmsghdr __user *cm + = (__force struct cmsghdr __user *)msg->msg_control; struct cmsghdr cmhdr; int cmlen = CMSG_LEN(len); int err; @@ -202,7 +205,8 @@ out: void scm_detach_fds(struct msghdr *msg, struct scm_cookie *scm) { - struct cmsghdr __user *cm = (struct cmsghdr __user*)msg->msg_control; + struct cmsghdr __user *cm + = (__force struct cmsghdr __user*)msg->msg_control; int fdmax = 0; int fdnum = scm->fp->count; @@ -222,7 +226,8 @@ void scm_detach_fds(struct msghdr *msg, struct scm_cookie *scm) if (fdnum < fdmax) fdmax = fdnum; - for (i=0, cmfptr=(int __user *)CMSG_DATA(cm); i<fdmax; i++, cmfptr++) + for (i=0, cmfptr=(__force int __user *)CMSG_DATA(cm); i<fdmax; + i++, cmfptr++) { int new_fd; err = security_file_receive(fp[i]); |