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authordes <des@FreeBSD.org>2000-11-06 03:23:56 +0000
committerdes <des@FreeBSD.org>2000-11-06 03:23:56 +0000
commiteed51b49c847bec22051f473ba7b3167f3a2bfc1 (patch)
tree2f6cec38216a0696334f01346162359154f36b50 /sys/compat/linprocfs
parent29f311506104c5e95a751af932fc80956cb59757 (diff)
downloadFreeBSD-src-eed51b49c847bec22051f473ba7b3167f3a2bfc1.zip
FreeBSD-src-eed51b49c847bec22051f473ba7b3167f3a2bfc1.tar.gz
Check that p->p_pptr is not NULL - kernel processes have no parents!
Diffstat (limited to 'sys/compat/linprocfs')
-rw-r--r--sys/compat/linprocfs/linprocfs.c4
-rw-r--r--sys/compat/linprocfs/linprocfs_misc.c4
2 files changed, 4 insertions, 4 deletions
diff --git a/sys/compat/linprocfs/linprocfs.c b/sys/compat/linprocfs/linprocfs.c
index b985916..d799fe4 100644
--- a/sys/compat/linprocfs/linprocfs.c
+++ b/sys/compat/linprocfs/linprocfs.c
@@ -349,7 +349,7 @@ linprocfs_doprocstat(curp, p, pfs, uio)
#define PS_ADD(name, fmt, arg) ps += sprintf(ps, " " fmt, arg)
PS_ADD("comm", "(%s)", p->p_comm);
PS_ADD("statr", "%c", '0'); /* XXX */
- PS_ADD("ppid", "%d", p->p_pptr->p_pid);
+ PS_ADD("ppid", "%d", p->p_pptr ? p->p_pptr->p_pid : 0);
PS_ADD("pgrp", "%d", p->p_pgid);
PS_ADD("session", "%d", p->p_session->s_sid);
PS_ADD("tty", "%d", 0); /* XXX */
@@ -432,7 +432,7 @@ linprocfs_doprocstatus(curp, p, pfs, uio)
* Credentials
*/
PS_ADD(ps, "Pid:\t%d\n", p->p_pid);
- PS_ADD(ps, "PPid:\t%d\n", p->p_pptr->p_pid);
+ PS_ADD(ps, "PPid:\t%d\n", p->p_pptr ? p->p_pptr->p_pid : 0);
PS_ADD(ps, "Uid:\t%d %d %d %d\n", p->p_cred->p_ruid,
p->p_ucred->cr_uid,
p->p_cred->p_svuid,
diff --git a/sys/compat/linprocfs/linprocfs_misc.c b/sys/compat/linprocfs/linprocfs_misc.c
index b985916..d799fe4 100644
--- a/sys/compat/linprocfs/linprocfs_misc.c
+++ b/sys/compat/linprocfs/linprocfs_misc.c
@@ -349,7 +349,7 @@ linprocfs_doprocstat(curp, p, pfs, uio)
#define PS_ADD(name, fmt, arg) ps += sprintf(ps, " " fmt, arg)
PS_ADD("comm", "(%s)", p->p_comm);
PS_ADD("statr", "%c", '0'); /* XXX */
- PS_ADD("ppid", "%d", p->p_pptr->p_pid);
+ PS_ADD("ppid", "%d", p->p_pptr ? p->p_pptr->p_pid : 0);
PS_ADD("pgrp", "%d", p->p_pgid);
PS_ADD("session", "%d", p->p_session->s_sid);
PS_ADD("tty", "%d", 0); /* XXX */
@@ -432,7 +432,7 @@ linprocfs_doprocstatus(curp, p, pfs, uio)
* Credentials
*/
PS_ADD(ps, "Pid:\t%d\n", p->p_pid);
- PS_ADD(ps, "PPid:\t%d\n", p->p_pptr->p_pid);
+ PS_ADD(ps, "PPid:\t%d\n", p->p_pptr ? p->p_pptr->p_pid : 0);
PS_ADD(ps, "Uid:\t%d %d %d %d\n", p->p_cred->p_ruid,
p->p_ucred->cr_uid,
p->p_cred->p_svuid,
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