Author: mav
Date: Mon Jun 3 17:11:26 2019
New Revision: 348554
URL: https://svnweb.freebsd.org/changeset/base/348554
Log:
9688 aggsum_fini leaks memory
illumos/illumos-gate@29bf2d68bef208274f5a54a14cc80c4a8cb76f53
Reviewed by: Serapheim Dimitropoulos <serapheim.dimi...@delphix.com>
Reviewed by: Matt Ahrens <m...@delphix.com>
Reviewed by: Prashanth Sreenivasa <p...@delphix.com>
Reviewed by: Jorgen Lundman <lund...@lundman.net>
Reviewed by: Igor Kozhukhov <i...@dilos.org>
Approved by: Robert Mustacchi <r...@joyent.com>
Author: Paul Dagnelie <p...@delphix.com>
Modified:
vendor-sys/illumos/dist/uts/common/fs/zfs/aggsum.c
vendor-sys/illumos/dist/uts/common/fs/zfs/arc.c
Modified: vendor-sys/illumos/dist/uts/common/fs/zfs/aggsum.c
==============================================================================
--- vendor-sys/illumos/dist/uts/common/fs/zfs/aggsum.c Mon Jun 3 17:08:49
2019 (r348553)
+++ vendor-sys/illumos/dist/uts/common/fs/zfs/aggsum.c Mon Jun 3 17:11:26
2019 (r348554)
@@ -13,7 +13,7 @@
* CDDL HEADER END
*/
/*
- * Copyright (c) 2017 by Delphix. All rights reserved.
+ * Copyright (c) 2017, 2018 by Delphix. All rights reserved.
*/
#include <sys/zfs_context.h>
@@ -99,6 +99,7 @@ aggsum_fini(aggsum_t *as)
{
for (int i = 0; i < as->as_numbuckets; i++)
mutex_destroy(&as->as_buckets[i].asc_lock);
+ kmem_free(as->as_buckets, as->as_numbuckets * sizeof (aggsum_bucket_t));
mutex_destroy(&as->as_lock);
}
Modified: vendor-sys/illumos/dist/uts/common/fs/zfs/arc.c
==============================================================================
--- vendor-sys/illumos/dist/uts/common/fs/zfs/arc.c Mon Jun 3 17:08:49
2019 (r348553)
+++ vendor-sys/illumos/dist/uts/common/fs/zfs/arc.c Mon Jun 3 17:11:26
2019 (r348554)
@@ -6159,6 +6159,14 @@ arc_state_fini(void)
multilist_destroy(arc_mru_ghost->arcs_list[ARC_BUFC_DATA]);
multilist_destroy(arc_mfu->arcs_list[ARC_BUFC_DATA]);
multilist_destroy(arc_mfu_ghost->arcs_list[ARC_BUFC_DATA]);
+
+ aggsum_fini(&arc_meta_used);
+ aggsum_fini(&arc_size);
+ aggsum_fini(&astat_data_size);
+ aggsum_fini(&astat_metadata_size);
+ aggsum_fini(&astat_hdr_size);
+ aggsum_fini(&astat_other_size);
+ aggsum_fini(&astat_l2_hdr_size);
}
uint64_t
@@ -6328,8 +6336,13 @@ arc_fini(void)
mutex_destroy(&arc_adjust_lock);
cv_destroy(&arc_adjust_waiters_cv);
- arc_state_fini();
+ /*
+ * buf_fini() must proceed arc_state_fini() because buf_fin() may
+ * trigger the release of kmem magazines, which can callback to
+ * arc_space_return() which accesses aggsums freed in act_state_fini().
+ */
buf_fini();
+ arc_state_fini();
ASSERT0(arc_loaned_bytes);
}
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