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If the process id specified is invalid, the system call returns ESRCH

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This commit is contained in:
Kevin Lo 2008-09-04 10:44:33 +00:00
parent 02e5ff6c1b
commit f308bddd3f
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=182750
2 changed files with 12 additions and 12 deletions
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4
sys/kern/kern_proc.c
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@ -988,10 +988,10 @@ sysctl_out_proc(struct proc *p, struct sysctl_req *req, int flags)
np = pfind(pid);
}
if (np == NULL)
return EAGAIN;
return (ESRCH);
if (np != p) {
PROC_UNLOCK(np);
return EAGAIN;
return (ESRCH);
}
PROC_UNLOCK(np);
return (0);

20
sys/security/audit/audit_syscalls.c
View File

@ -314,12 +314,12 @@ auditon(struct thread *td, struct auditon_args *uap)
case A_GETPINFO:
if (udata.au_aupinfo.ap_pid < 1)
return (EINVAL);
return (ESRCH);
if ((tp = pfind(udata.au_aupinfo.ap_pid)) == NULL)
return (EINVAL);
if (p_cansee(td, tp) != 0) {
return (ESRCH);
if ((error = p_cansee(td, tp)) != 0)
PROC_UNLOCK(tp);
return (EINVAL);
return (error);
}
if (tp->p_ucred->cr_audit.ai_termid.at_type == AU_IPv6) {
PROC_UNLOCK(tp);
@ -342,16 +342,16 @@ auditon(struct thread *td, struct auditon_args *uap)
case A_SETPMASK:
if (udata.au_aupinfo.ap_pid < 1)
return (EINVAL);
return (ESRCH);
newcred = crget();
if ((tp = pfind(udata.au_aupinfo.ap_pid)) == NULL) {
crfree(newcred);
return (EINVAL);
return (ESRCH);
}
if (p_cansee(td, tp) != 0) {
if ((error = p_cansee(td, tp)) != 0)
PROC_UNLOCK(tp);
crfree(newcred);
return (EINVAL);
return (error);
}
oldcred = tp->p_ucred;
crcopy(newcred, oldcred);
@ -378,9 +378,9 @@ auditon(struct thread *td, struct auditon_args *uap)
case A_GETPINFO_ADDR:
if (udata.au_aupinfo_addr.ap_pid < 1)
return (EINVAL);
return (ESRCH);
if ((tp = pfind(udata.au_aupinfo_addr.ap_pid)) == NULL)
return (EINVAL);
return (ESRCH);
udata.au_aupinfo_addr.ap_auid =
tp->p_ucred->cr_audit.ai_auid;
udata.au_aupinfo_addr.ap_mask.am_success =