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Merge remote-tracking branch 'arma/bug22368'

This commit is contained in:
Nick Mathewson 2017-05-25 08:54:51 -04:00
parent 657297a9f8 5f74749fba
commit ab9976b724
2 changed files with 8 additions and 5 deletions
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6
changes/bug22368 Normal file
View File

@ -0,0 +1,6 @@
o Major bugfixes:
- Relays that set MyFamily no longer free the elements of
options->MyFamily while making their descriptor. They tried to
access the freed elements, and then double-free them, when making
the next descriptor or when changing the config. Fixes bug 22368;
bugfix on 0.3.1.1-alpha.

7
src/or/router.c
View File

@ -2289,7 +2289,7 @@ router_build_fresh_descriptor(routerinfo_t **r, extrainfo_t **e)
char *name = family->value;
const node_t *member;
if (!strcasecmp(name, options->Nickname))
goto skip; /* Don't list ourself, that's redundant */
continue; /* Don't list ourself, that's redundant */
else
member = node_get_by_nickname(name, 1);
if (!member) {
@ -2308,8 +2308,7 @@ router_build_fresh_descriptor(routerinfo_t **r, extrainfo_t **e)
smartlist_add_strdup(warned_nonexistent_family, name);
}
if (is_legal) {
smartlist_add(ri->declared_family, name);
name = NULL;
smartlist_add_strdup(ri->declared_family, name);
}
} else if (router_digest_is_me(member->identity)) {
/* Don't list ourself in our own family; that's redundant */
@ -2323,8 +2322,6 @@ router_build_fresh_descriptor(routerinfo_t **r, extrainfo_t **e)
if (smartlist_contains_string(warned_nonexistent_family, name))
smartlist_string_remove(warned_nonexistent_family, name);
}
skip:
tor_free(name);
}
/* remove duplicates from the list */