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Merge branch 'maint-0.3.2' into release-0.3.2

This commit is contained in:
Nick Mathewson 2018-03-27 18:25:21 -04:00
parent 7dbaaba3d2 0b795ce6de
commit 6170f87e01
2 changed files with 17 additions and 14 deletions
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3
changes/bug25629 Normal file
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@ -0,0 +1,3 @@
o Minor bugfixes (C correctness):
- Fix a very unlikely null pointer dereference. Fixes bug 25629;
bugfix on 0.2.9.15. Found by Coverity; this is CID 1430932.

28
src/or/nodelist.c
View File

@ -525,22 +525,22 @@ nodelist_add_microdesc(microdesc_t *md)
if (rs == NULL)
return NULL;
node = node_get_mutable_by_id(rs->identity_digest);
if (node) {
node_remove_from_ed25519_map(node);
if (node->md)
node->md->held_by_nodes--;
if (node == NULL)
return NULL;
node->md = md;
md->held_by_nodes++;
/* Setting the HSDir index requires the ed25519 identity key which can
* only be found either in the ri or md. This is why this is called here.
* Only nodes supporting HSDir=2 protocol version needs this index. */
if (rs->supports_v3_hsdir) {
node_set_hsdir_index(node, ns);
}
node_add_to_ed25519_map(node);
node_remove_from_ed25519_map(node);
if (node->md)
node->md->held_by_nodes--;
node->md = md;
md->held_by_nodes++;
/* Setting the HSDir index requires the ed25519 identity key which can
* only be found either in the ri or md. This is why this is called here.
* Only nodes supporting HSDir=2 protocol version needs this index. */
if (rs->supports_v3_hsdir) {
node_set_hsdir_index(node, ns);
}
node_add_to_ed25519_map(node);
node_add_to_address_set(node);
return node;