lkml.org 
[lkml]   [2013]   [Apr]   [30]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    /
    Date
    SubjectRe: [PATCH v3 1/3] unix/dgram: peek beyond 0-sized skbs
    From
    From: Benjamin Poirier <bpoirier@suse.de>
    Date: Mon, 29 Apr 2013 17:42:12 -0400

    > "77c1090 net: fix infinite loop in __skb_recv_datagram()" (v3.8) introduced a
    > regression:
    > After that commit, recv can no longer peek beyond a 0-sized skb in the queue.
    > __skb_recv_datagram() instead stops at the first skb with len == 0 and results
    > in the system call failing with -EFAULT via skb_copy_datagram_iovec().
    >
    > When peeking at an offset with 0-sized skb(s), each one of those is received
    > only once, in sequence. The offset starts moving forward again after receiving
    > datagrams with len > 0.
    >
    > Signed-off-by: Benjamin Poirier <bpoirier@suse.de>

    Applied.


    \
     
     \ /
      Last update: 2013-04-30 07:21    [W:3.136 / U:0.016 seconds]
    ©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site