lkml.org 
[lkml]   [2003]   [Apr]   [29]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    /
    Date
    From
    SubjectRe: [CHECKER] 30 potential dereference of user-pointer errors
    On Fri, Apr 25, 2003 at 07:18:02PM -0700, Junfeng Yang wrote:
    > [BUG] pointer (rdwr_arg.msgs[i]) points to user space
    > /home/junfeng/linux-tainted/drivers/i2c/i2c-dev.c:230:i2cdev_ioctl: ERROR:TAINTED:230:230: dereferencing tainted ptr 'rdwr_arg.msgs + i * 12' [Callstack: ]
    >
    > if(rdwr_pa[i].buf == NULL)
    > {
    > res = -ENOMEM;
    > break;
    > }
    >
    > Error --->
    > if(copy_from_user(rdwr_pa[i].buf,
    > rdwr_arg.msgs[i].buf,
    > rdwr_pa[i].len))
    > {

    This one should be already be fixed in the 2.5.68 kernel.

    thanks,

    greg k-h
    -
    To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
    the body of a message to majordomo@vger.kernel.org
    More majordomo info at http://vger.kernel.org/majordomo-info.html
    Please read the FAQ at http://www.tux.org/lkml/

    \
     
     \ /
      Last update: 2005-03-22 13:35    [W:0.052 / U:59.244 seconds]
    ©2003-2016 Jasper Spaans. hosted at Digital OceanAdvertise on this site