d/freebsd-nq
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Add p_candebug() check to FILEMON_SET_PID ioctl.

Browse Source 
Discussed with:	sjg
MFC after:	3 days
This commit is contained in:
Hiroki Sato 2013-08-02 14:44:11 +00:00
parent 9d6d5a7131
commit 872ce24739
1 changed files with 8 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
sys/dev/filemon/filemon.c
View File

@ -150,6 +150,7 @@ filemon_ioctl(struct cdev *dev, u_long cmd, caddr_t data, int flag __unused,
{
int error = 0;
struct filemon *filemon;
struct proc *p;
devfs_get_cdevpriv((void **) &filemon);
@ -163,7 +164,13 @@ filemon_ioctl(struct cdev *dev, u_long cmd, caddr_t data, int flag __unused,
/* Set the monitored process ID. */
case FILEMON_SET_PID:
filemon->pid = *((pid_t *)data);
p = pfind(*((pid_t *)data));
if (p == NULL)
return (EINVAL);
error = p_candebug(curthread, p);
if (error == 0)
filemon->pid = p->p_pid;
PROC_UNLOCK(p);
break;
default: