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Fix a use-after-free in validate_intro_point_failure. Bug 17401. Found w valgrind
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changes/bug17401
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changes/bug17401
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o Major bugfixes (correctness):
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- Fix a use-after-free bug in validate_intro_point_failure().
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Fixes bug 17401; bugfix on 0.2.7.3-rc.
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@ -400,9 +400,10 @@ validate_intro_point_failure(const rend_service_descriptor_t *desc,
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/* This intro point is in our cache, discard it from the descriptor
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/* This intro point is in our cache, discard it from the descriptor
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* because chances are that it's unusable. */
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* because chances are that it's unusable. */
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SMARTLIST_DEL_CURRENT(desc->intro_nodes, intro);
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SMARTLIST_DEL_CURRENT(desc->intro_nodes, intro);
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rend_intro_point_free(intro);
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/* Keep it for our new entry. */
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/* Keep it for our new entry. */
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digestmap_set(new_entry->intro_failures, (char *) identity, ent_dup);
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digestmap_set(new_entry->intro_failures, (char *) identity, ent_dup);
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/* Only free it when we're done looking at it. */
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rend_intro_point_free(intro);
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continue;
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continue;
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}
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}
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} SMARTLIST_FOREACH_END(intro);
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} SMARTLIST_FOREACH_END(intro);
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