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Refresh db_buf pointer after lock and conditional wait. #17069

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Refresh db_buf pointer after lock and conditional wait. #17069

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2 changes: 2 additions & 0 deletions module/zfs/dbuf.c
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Original file line number Diff line number Diff line change
Expand Up @@ -1539,6 +1539,7 @@ dbuf_read_verify_dnode_crypt(dmu_buf_impl_t *db, dnode_t *dn, uint32_t flags)
return (0);

mutex_enter(&dndb->db_mtx);
dnbuf = dndb->db_buf;

/*
* Since dnode buffer is modified by sync process, there can be only
Expand All @@ -1556,6 +1557,7 @@ dbuf_read_verify_dnode_crypt(dmu_buf_impl_t *db, dnode_t *dn, uint32_t flags)
if (dr == NULL || dr->dt.dl.dr_data != dnbuf)
break;
cv_wait(&dndb->db_changed, &dndb->db_mtx);
dnbuf = dndb->db_buf;
};

SET_BOOKMARK(&zb, dmu_objset_id(os),
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