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a potential solution for bug 549

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svn:r12471
This commit is contained in:
Roger Dingledine 2007-11-11 04:36:31 +00:00
parent 0d21995956
commit 1b00492c40
1 changed files with 5 additions and 7 deletions
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12
src/or/dns.c
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@ -377,16 +377,15 @@ purge_expired_resolves(time_t now)
removed ? removed->address : "NULL", (void*)remove); removed ? removed->address : "NULL", (void*)remove);
} }
tor_assert(removed == resolve); tor_assert(removed == resolve);
if (resolve->is_reverse)
tor_free(resolve->result.hostname);
resolve->magic = 0xF0BBF0BB;
tor_free(resolve);
} else { } else {
/* This should be in state DONE. Make sure it's not in the cache. */ /* This should be in state DONE. Make sure it's not in the cache. */
cached_resolve_t *tmp = HT_FIND(cache_map, &cache_root, resolve); cached_resolve_t *tmp = HT_FIND(cache_map, &cache_root, resolve);
tor_assert(tmp != resolve); tor_assert(tmp != resolve);
/* XXX020 shouldn't we be freeing 'resolve' here? */
} }
if (resolve->is_reverse)
tor_free(resolve->result.hostname);
resolve->magic = 0xF0BBF0BB;
tor_free(resolve);
} }
assert_cache_ok(); assert_cache_ok();
@ -708,9 +707,8 @@ dns_resolve_impl(edge_connection_t *exitconn, int is_resolve,
tor_fragile_assert(); tor_fragile_assert();
} }
tor_assert(0); tor_assert(0);
} else if (resolve) {
log_warn(LD_BUG, "Found Mike's bug. Memory leak here!");
} }
tor_assert(!resolve);
/* not there, need to add it */ /* not there, need to add it */
resolve = tor_malloc_zero(sizeof(cached_resolve_t)); resolve = tor_malloc_zero(sizeof(cached_resolve_t));
resolve->magic = CACHED_RESOLVE_MAGIC; resolve->magic = CACHED_RESOLVE_MAGIC;