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Merge branch 'maint-0.4.4' into maint-0.4.5

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Nick Mathewson 2021-03-15 08:52:29 -04:00
commit 7c5a67ccd9
2 changed files with 11 additions and 0 deletions
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5
changes/ticket40286_minimal Normal file
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@ -0,0 +1,5 @@
o Major bugfixes (denial of service):
- Disable the dump_desc() function that we used to dump unparseable
information to disk. It was called incorrectly in several places,
in a way that could lead to excessive CPU usage.
Fixes bug 40286; bugfix on 0.2.2.1-alpha.

6
src/feature/dirparse/unparseable.c
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@ -497,6 +497,12 @@ dump_desc,(const char *desc, const char *type))
{
tor_assert(desc);
tor_assert(type);
#ifndef TOR_UNIT_TESTS
/* On older versions of Tor we are disabling this function, since it
* can be called with strings that are far too long. */
if (1)
return;
#endif
size_t len;
/* The SHA256 of the string */
uint8_t digest_sha256[DIGEST256_LEN];