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Date:      Tue, 11 Jun 2019 14:18:54 +0000 (UTC)
From:      Alexander Motin <mav@FreeBSD.org>
To:        src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-12@freebsd.org
Subject:   svn commit: r348909 - stable/12/sys/cddl/contrib/opensolaris/uts/common/fs/zfs
Message-ID:  <201906111418.x5BEIsYq009854@repo.freebsd.org>
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Author: mav
Date: Tue Jun 11 14:18:54 2019
New Revision: 348909
URL: https://svnweb.freebsd.org/changeset/base/348909

Log:
  MFC r348559: MFV r348537: 8601 memory leak in get_special_prop()
  
  illumos/illumos-gate@e19b450bec203d8be04447ea476d7a86b36d63a1
  
  Reviewed by: Serapheim Dimitropoulos <serapheim.dimitro@delphix.com>
  Reviewed by: Sara Hartse <sara.hartse@delphix.com>
  Reviewed by: Pavel Zakharov <pavel.zakharov@delphix.com>
  Reviewed by: Matt Ahrens <matt@delphix.com>
  Reviewed by: Robert Mustacchi <rm@joyent.com>
  Approved by: Dan McDonald <danmcd@joyent.com>
  Author:     John Gallagher <john.gallagher@delphix.com>

Modified:
  stable/12/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zcp_get.c
Directory Properties:
  stable/12/   (props changed)

Modified: stable/12/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zcp_get.c
==============================================================================
--- stable/12/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zcp_get.c	Tue Jun 11 14:18:04 2019	(r348908)
+++ stable/12/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zcp_get.c	Tue Jun 11 14:18:54 2019	(r348909)
@@ -14,7 +14,7 @@
  */
 
 /*
- * Copyright (c) 2016 by Delphix. All rights reserved.
+ * Copyright (c) 2016, 2017 by Delphix. All rights reserved.
  */
 
 #include "lua.h"
@@ -431,16 +431,21 @@ get_special_prop(lua_State *state, dsl_dataset_t *ds, 
 	case ZFS_PROP_INCONSISTENT:
 		numval = dsl_get_inconsistent(ds);
 		break;
-	case ZFS_PROP_RECEIVE_RESUME_TOKEN:
-		VERIFY3U(strlcpy(strval, get_receive_resume_stats_impl(ds),
-		    ZAP_MAXVALUELEN), <, ZAP_MAXVALUELEN);
+	case ZFS_PROP_RECEIVE_RESUME_TOKEN: {
+		char *token = get_receive_resume_stats_impl(ds);
+		VERIFY3U(strlcpy(strval, token, ZAP_MAXVALUELEN), <,
+		    ZAP_MAXVALUELEN);
+		strfree(token);
 		if (strcmp(strval, "") == 0) {
-			VERIFY3U(strlcpy(strval, get_child_receive_stats(ds),
-			    ZAP_MAXVALUELEN), <, ZAP_MAXVALUELEN);
+			token = get_child_receive_stats(ds);
+			VERIFY3U(strlcpy(strval, token, ZAP_MAXVALUELEN), <,
+			    ZAP_MAXVALUELEN);
+			strfree(token);
 			if (strcmp(strval, "") == 0)
 				error = ENOENT;
 		}
 		break;
+	}
 	case ZFS_PROP_VOLSIZE:
 		ASSERT(ds_type == ZFS_TYPE_VOLUME);
 		error = dmu_objset_from_ds(ds, &os);

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