lkml.org 
[lkml]   [2018]   [Jul]   [29]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [V9fs-developer] [PATCH] 9p: fix Use-After-Free in p9_write_work()
Dominique Martinet wrote on Mon, Jul 30, 2018:
> Basically, a more global view of the problem is a race between
> p9_tag_lookup returning a p9_req_t and another thread freeing it.

(just correcting myself here, p9_tag_lookup won't be enough for the
write side, but similarily you'd just need to increment the refcount
when you schedule work with it and decrement when the worker is done)

--
Dominique

\
 
 \ /
  Last update: 2018-07-30 02:19    [W:0.124 / U:0.912 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site