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OpenZFS 8375 - Kernel memory leak in nvpair code

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Authored by: Matthew Ahrens <mahrens@delphix.com>
Reviewed by: Pavel Zakharov <pavel.zakharov@delphix.com>
Reviewed by: George Wilson <george.wilson@delphix.com>
Reviewed by: Prashanth Sreenivasa <pks@delphix.com>
Reviewed by: Robert Mustacchi <rm@joyent.com>
Approved by: Dan McDonald <danmcd@joyent.com>
Reviewed-by: Don Brady <dev.fs.zfs@gmail.com>
Reviewed-by: George Melikov <mail@gmelikov.ru>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Ported-by: Giuseppe Di Natale <dinatale2@llnl.gov>

OpenZFS-issue: https://www.illumos.org/issues/8375
OpenZFS-commit: https://github.com/openzfs/openzfs/commit/843c211
Closes #6578
This commit is contained in:
Matthew Ahrens 2017-04-03 09:47:11 -07:00 committed by Brian Behlendorf
parent 1ea8942faa
commit 006309e8d7
1 changed files with 4 additions and 2 deletions
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6
module/nvpair/nvpair.c
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@ -21,7 +21,7 @@
/*
* Copyright (c) 2000, 2010, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2015, 2016 by Delphix. All rights reserved.
* Copyright (c) 2015, 2017 by Delphix. All rights reserved.
*/
#include <sys/stropts.h>
@ -2200,8 +2200,10 @@ nvs_embedded(nvstream_t *nvs, nvlist_t *embedded)
nvlist_init(embedded, embedded->nvl_nvflag, priv);
if (nvs->nvs_recursion >= nvpair_max_recursion)
if (nvs->nvs_recursion >= nvpair_max_recursion) {
nvlist_free(embedded);
return (EINVAL);
}
nvs->nvs_recursion++;
if ((err = nvs_operation(nvs, embedded, NULL)) != 0)
nvlist_free(embedded);