FreeBSD Bugzilla – Attachment 95622 Details for
Bug 134050
cpuset allows change of the jail's set from inside the jail
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[patch]
file.diff
file.diff (text/plain), 578 bytes, created by
Miroslav Lachman
on 2009-04-27 20:10:00 UTC
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file.diff
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Creator:
Miroslav Lachman
Created:
2009-04-27 20:10:00 UTC
Size:
578 bytes
patch
obsolete
>Index: sys/kern/kern_cpuset.c >=================================================================== >--- sys/kern/kern_cpuset.c (revision 190341) >+++ sys/kern/kern_cpuset.c (working copy) >@@ -357,6 +357,15 @@ > if (error) > return (error); > /* >+ * In case we are called from within the jail >+ * we do not allow modifying the dedicated root >+ * cpuset of the jail but may still allow to >+ * change child sets. >+ */ >+ if (jailed(curthread->td_ucred) && >+ set->cs_flags & CPU_SET_ROOT) >+ return (EPERM); >+ /* > * Verify that we have access to this set of > * cpus. > */
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bug 134050
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