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    SubjectRe: [PATCH] Add user taint flag
    On Sun, 21 May 2006 19:04:32 -0400 Theodore Ts'o wrote:

    >
    > Allow taint flags to be set from userspace by writing to
    > /proc/sys/kernel/tainted, and add a new taint flag, TAINT_USER, to be
    > used when userspace is potentially doing something naughty that might
    > compromise the kernel. This will allow support personnel to ask further
    > questions about what may have caused the user taint flag to have been
    > set. (For example, by examining the logs of the JVM to determine what
    > evil things might have been lurking in the hearts of Java programs. :-)
    >
    > Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
    >
    >
    > Index: linux-2.6/kernel/sysctl.c
    > ===================================================================
    > --- linux-2.6.orig/kernel/sysctl.c 2006-03-25 21:26:38.000000000 -0500
    > +++ linux-2.6/kernel/sysctl.c 2006-05-21 19:00:15.000000000 -0400
    > @@ -1835,6 +1835,23 @@
    > do_proc_dointvec_bset_conv,&op);
    > }
    >
    > +/*
    > + * Taint values can only be increased
    > + */
    > +int proc_dointvec_taint(ctl_table *table, int write, struct file *filp,
    > + void __user *buffer, size_t *lenp, loff_t *ppos)
    > +{
    > + int op;
    > +
    > + if (!capable(CAP_SYS_ADMIN)) {
    > + return -EPERM;
    > + }

    no braces.

    > +
    > + op = OP_OR;
    > + return do_proc_dointvec(table,write,filp,buffer,lenp,ppos,
    > + do_proc_dointvec_bset_conv,&op);

    find/use that spacebar (after commas).

    > +}
    > +
    > struct do_proc_dointvec_minmax_conv_param {
    > int *min;
    > int *max;


    ---
    ~Randy
    -
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