Date: Fri, 2 Aug 2013 14:44:11 +0000 (UTC) From: Hiroki Sato <hrs@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r253887 - head/sys/dev/filemon Message-ID: <201308021444.r72EiBk2059771@svn.freebsd.org>
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Author: hrs Date: Fri Aug 2 14:44:11 2013 New Revision: 253887 URL: http://svnweb.freebsd.org/changeset/base/253887 Log: Add p_candebug() check to FILEMON_SET_PID ioctl. Discussed with: sjg MFC after: 3 days Modified: head/sys/dev/filemon/filemon.c Modified: head/sys/dev/filemon/filemon.c ============================================================================== --- head/sys/dev/filemon/filemon.c Fri Aug 2 14:14:23 2013 (r253886) +++ head/sys/dev/filemon/filemon.c Fri Aug 2 14:44:11 2013 (r253887) @@ -150,6 +150,7 @@ filemon_ioctl(struct cdev *dev, u_long c { 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 c /* 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:
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