[lkml]   [2003]   [Sep]   [11]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
    SubjectRe: Local DoS on single_open?
    On Thu, 11 Sep 2003 14:51:09 +1000, 
    Nick Piggin <> wrote:
    >Keith Owens wrote:
    >>single_open() requires the kernel to kmalloc a buffer which lives until
    >>the userspace caller closes the file. What prevents a malicious user
    >>opening the same /proc entry multiple times, allocating lots of kmalloc
    >>space and causing a local DoS?

    ulimit has no effect on kmalloc usage.

    To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
    the body of a message to
    More majordomo info at
    Please read the FAQ at

     \ /
      Last update: 2005-03-22 13:48    [W:0.031 / U:86.556 seconds]
    ©2003-2016 Jasper Spaans. hosted at Digital OceanAdvertise on this site