lkml.org 
[lkml]   [2017]   [Mar]   [8]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: [PATCH net] dccp/tcp: fix routing redirect race
From
Date
On Thu, 2017-03-09 at 12:15 +1100, Jon Maxwell wrote:
> We have seen a few incidents lately where a dst_enty has been freed
> with a dangling TCP socket reference (sk->sk_dst_cache) pointing to that
> dst_entry. If the conditions/timings are right a crash then ensues when the
> freed dst_entry is referenced later on. A Common crashing back trace is:

Very nice catch !

Don't we have a similar issue for IPv6 ?


\
 
 \ /
  Last update: 2017-03-09 03:37    [W:0.036 / U:0.436 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site