o Add missing PRISON_ROOT allowing a privileged process in a jail() to not
remove the setuid/setgid bits by virtue of a change to a file with those bits set, even if the process doesn't own the file, or isn't a group member of the file's gid. Obtained from: TrustedBSD Project
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@ -638,7 +638,7 @@ ufs_chown(vp, uid, gid, cred, p)
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panic("ufs_chown: lost quota");
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#endif /* QUOTA */
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ip->i_flag |= IN_CHANGE;
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if (suser_xxx(cred, NULL, 0) && (ouid != uid || ogid != gid))
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if (suser_xxx(cred, NULL, PRISON_ROOT) && (ouid != uid || ogid != gid))
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ip->i_mode &= ~(ISUID | ISGID);
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return (0);
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}
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