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| author | rwatson <rwatson@FreeBSD.org> | 2001-04-12 20:46:26 +0000 |
|---|---|---|
| committer | rwatson <rwatson@FreeBSD.org> | 2001-04-12 20:46:26 +0000 |
| commit | 9ba6e18ce6153f785915f72e8a999b09668d7a6a (patch) | |
| tree | 94ed28c20da26686324b88e165fe2a9a63864232 /sys/kern/kern_resource.c | |
| parent | 65b7c17dedc9da986c6b0400aadd83dcebc3974d (diff) | |
| download | FreeBSD-src-9ba6e18ce6153f785915f72e8a999b09668d7a6a.zip FreeBSD-src-9ba6e18ce6153f785915f72e8a999b09668d7a6a.tar.gz | |
o Limit process information leakage by introducing a p_can(...P_CAN_SEE...)
in rtprio()'s RTP_LOOKIP implementation.
Obtained from: TrustedBSD Project
Diffstat (limited to 'sys/kern/kern_resource.c')
| -rw-r--r-- | sys/kern/kern_resource.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/sys/kern/kern_resource.c b/sys/kern/kern_resource.c index fa1add1..805d6aa 100644 --- a/sys/kern/kern_resource.c +++ b/sys/kern/kern_resource.c @@ -264,6 +264,8 @@ rtprio(curp, uap) switch (uap->function) { case RTP_LOOKUP: + if ((error = p_can(curp, p, P_CAN_SEE, NULL))) + return (error); pri_to_rtp(&p->p_pri, &rtp); return (copyout(&rtp, uap->rtp, sizeof(struct rtprio))); case RTP_SET: |
