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Illumos 5531 - NULL pointer dereference in dsl_prop_get_ds()

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5531 NULL pointer dereference in dsl_prop_get_ds()
Author: Justin T. Gibbs <justing@spectralogic.com>
Reviewed by: Matthew Ahrens <mahrens@delphix.com>
Reviewed by: Dan McDonald <danmcd@omniti.com>
Reviewed by: George Wilson <george@delphix.com>
Reviewed by: Bayard Bell <buffer.g.overflow@gmail.com>
Approved by: Robert Mustacchi <rm@joyent.com>

References:
  https://www.illumos.org/issues/5531
  https://github.com/illumos/illumos-gate/commit/e57a022

Ported-by: Chris Dunlop <chris@onthe.net.au>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
This commit is contained in:
Justin T. Gibbs
2015-04-02 22:59:15 +11:00
committed by Brian Behlendorf
parent 0c66c32d1d
commit 6ebebaceb1
7 changed files with 116 additions and 16 deletions
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module/zfs/dnode_sync.c
+2 -1
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@@ -77,7 +77,8 @@ dnode_increase_indirection(dnode_t *dn, dmu_tx_t *tx)
/* set dbuf's parent pointers to new indirect buf */
for (i = 0; i < nblkptr; i++) {
dmu_buf_impl_t *child = dbuf_find(dn, old_toplvl, i);
dmu_buf_impl_t *child =
dbuf_find(dn->dn_objset, dn->dn_object, old_toplvl, i);
if (child == NULL)
continue;