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| author | hrs <hrs@FreeBSD.org> | 2013-08-02 14:44:11 +0000 |
|---|---|---|
| committer | hrs <hrs@FreeBSD.org> | 2013-08-02 14:44:11 +0000 |
| commit | 2d3c928904a804c62206b6bec50d0030becd77f3 (patch) | |
| tree | 429c54d6bdf1bc324e920aa0f9b5a832fbf413f7 /sys/dev | |
| parent | 713e53c6b93f362bd026ade64f87d8fc3b0e70a0 (diff) | |
| download | FreeBSD-src-2d3c928904a804c62206b6bec50d0030becd77f3.zip FreeBSD-src-2d3c928904a804c62206b6bec50d0030becd77f3.tar.gz | |
Add p_candebug() check to FILEMON_SET_PID ioctl.
Discussed with: sjg
MFC after: 3 days
Diffstat (limited to 'sys/dev')
| -rw-r--r-- | sys/dev/filemon/filemon.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/sys/dev/filemon/filemon.c b/sys/dev/filemon/filemon.c index f05710b..c82a816 100644 --- a/sys/dev/filemon/filemon.c +++ b/sys/dev/filemon/filemon.c @@ -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: |
