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o Limit process information leakage by introducing a p_can(...P_CAN_SEE...)

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in rtprio()'s RTP_LOOKIP implementation.

Obtained from:	TrustedBSD Project
This commit is contained in:
Robert Watson 2001-04-12 20:46:26 +00:00
parent cdf6f0b1ae
commit d34f8d3030
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=75450
1 changed files with 2 additions and 0 deletions
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2
sys/kern/kern_resource.c
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@ -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: