tree 225f75f803450c728d546c755f7398b102f8cf3d
parent ee568b25ee9e160b32d1aef73d8b2ee9c05d34db
author Masami Hiramatsu <mhiramat@redhat.com> 1237241616 -0400
committer Rusty Russell <rusty@rustcorp.com.au> 1237330881 +1030

module: fix refptr allocation and release order

Impact: fix ref-after-free crash on failed module load

Fix refptr bug: Change refptr allocation and release order not to access a module
data structure pointed by 'mod' after freeing mod->module_core.
This bug will cause kernel panic(e.g. failed to find undefined symbols).

This bug was reported on systemtap bugzilla.
http://sources.redhat.com/bugzilla/show_bug.cgi?id=9927

Signed-off-by: Masami Hiramatsu <mhiramat@redhat.com>
Cc: Eric Dumazet <dada1@cosmosbay.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>