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Fix memory leak in share mode locking.

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Not freeing up(and reparenting to NULL context) ndr buffer
used for TDB updates resulting in huge memory leak when there
in high volume of opens and closes happening on same object.

Free the buffer before reparenting its parent to NULL context.

https://bugzilla.samba.org/show_bug.cgi?id=11934

Signed-off-by: Hemanth Thummala <hemanth.thummala@nutanix.com>
Signed-off-by: Saji VR <saji.vr@nutanix.com>
Reviewed-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>

Autobuild-User(master): Volker Lendecke <vl@samba.org>
Autobuild-Date(master): Fri May 27 18:43:31 CEST 2016 on sn-devel-144

(cherry picked from commit 7a725eea25f905fc5f611e8f3d7cfe414d5cf913)
This commit is contained in:
Hemanth Thummala 2016-05-24 23:15:04 -07:00 committed by Karolin Seeger
parent 23663df06e
commit 58ba260d97
1 changed files with 5 additions and 0 deletions
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5
source3/locking/share_mode_lock.c
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@ -440,6 +440,11 @@ static int share_mode_data_destructor(struct share_mode_data *d)
*/
TALLOC_FREE(d->record);
/*
* Release the dptr as well before reparenting to NULL
* (in-memory cache) context.
*/
TALLOC_FREE(data.dptr);
/*
* Reparent d into the in-memory cache so it can be reused if the
* sequence number matches. See parse_share_modes()