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Merge remote-tracking branch 'origin/maint-0.2.4'

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This commit is contained in:
Nick Mathewson 2014-04-29 13:03:27 -04:00
commit 0514bcd37c
2 changed files with 7 additions and 0 deletions
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5
changes/md_leak_bug Normal file
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@ -0,0 +1,5 @@
o Major bugfixes (security, OOM)
- Fix a memory leak that could occur if a microdescriptor parse
fails during the tokenizing step. This could enable a memory
exhaustion attack by directory servers. Fixes bug #11649; bugfix
on 0.2.2.6-alpha.

2
src/or/routerparse.c
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@ -4129,11 +4129,13 @@ microdescs_parse_from_string(const char *s, const char *eos,
microdesc_free(md);
md = NULL;
SMARTLIST_FOREACH(tokens, directory_token_t *, t, token_clear(t));
memarea_clear(area);
smartlist_clear(tokens);
s = start_of_next_microdesc;
}
SMARTLIST_FOREACH(tokens, directory_token_t *, t, token_clear(t));
memarea_drop_all(area);
smartlist_free(tokens);