A-Team_Digital_Solutions/android_kernel_motorola_sm6375
Watch
2
0
Fork
You've already forked android_kernel_motorola_sm6375
 0
mirror of https://github.com/BobTheBlinker/android_kernel_motorola_sm6375.git synced 2026-10-30 11:41:38 -04:00
Code Issues Projects Releases Packages Wiki Activity

[PATCH] Fix ipc entries removal

Browse source 
Fix two issuses related to ipc_ids->entries freeing.

1. When freeing ipc namespace we need to free entries allocated
   with ipc_init_ids().

2. When removing old entries in grow_ary() ipc_rcu_putref()
   may be called on entries set to &ids->nullentry earlier in
   ipc_init_ids().
   This is almost impossible without namespaces, but with
   them this situation becomes possible.

Found during OpenVZ testing after obvious leaks in beancounters.

Signed-off-by: Pavel Emelianov <[email protected]>
Cc: Kirill Korotaev <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Pavel Emelianov 2006-11-02 22:07:03 -08:00 • committed by Linus Torvalds
commit c7e12b8389
5 changed files with 16 additions and 1 deletions
Download patch file Download diff file Expand all files Collapse all files

2
ipc/util.c
View file

@ -301,7 +301,7 @@ static int grow_ary(struct ipc_ids* ids, int newsize)
*/
rcu_assign_pointer(ids->entries, new);
ipc_rcu_putref(old);
__ipc_fini_ids(ids, old);
return newsize;
}