Update wip/tor-dev to version 0.4.1.4-rc.
Changes in version 0.4.1.4-rc - 2019-07-25
Tor 0.4.1.4-rc fixes a few bugs from previous versions of Tor, and
updates to a new list of fallback directories. If no new bugs are
found, the next release in the 0.4.1.x serious should be stable.
o Major bugfixes (circuit build, guard):
- When considering upgrading circuits from "waiting for guard" to
"open", always ignore circuits that are marked for close. Otherwise,
we can end up in the situation where a subsystem is notified that
a closing circuit has just opened, leading to undesirable
behavior. Fixes bug 30871; bugfix on 0.3.0.1-alpha.
o Minor features (continuous integration):
- Our Travis configuration now uses Chutney to run some network
integration tests automatically. Closes ticket 29280.
o Minor features (fallback directory list):
- Replace the 157 fallbacks originally introduced in Tor 0.3.5.6-rc
in December 2018 (of which ~122 were still functional), with a
list of 148 fallbacks (70 new, 78 existing, 79 removed) generated
in June 2019. Closes ticket 28795.
o Minor bugfixes (circuit padding):
- On relays, properly check that a padding machine is absent before
logging a warning about it being absent. Fixes bug 30649; bugfix
on 0.4.1.1-alpha.
- Add two NULL checks in unreachable places to silence Coverity (CID
144729 and 1447291) and better future-proof ourselves. Fixes bug
31024; bugfix on 0.4.1.1-alpha.
o Minor bugfixes (crash on exit):
- Avoid a set of possible code paths that could try to use freed
memory in routerlist_free() while Tor was exiting. Fixes bug
31003; bugfix on 0.1.2.2-alpha.
o Minor bugfixes (logging):
- Fix a conflict between the flag used for messaging-domain log
messages, and the LD_NO_MOCK testing flag. Fixes bug 31080; bugfix
on 0.4.1.1-alpha.
o Minor bugfixes (memory leaks):
- Fix a trivial memory leak when parsing an invalid value from a
download schedule in the configuration. Fixes bug 30894; bugfix
on 0.3.4.1-alpha.
o Code simplification and refactoring:
- Remove some dead code from circpad_machine_remove_token() to fix
some Coverity warnings (CID 1447298). Fixes bug 31027; bugfix
on 0.4.1.1-alpha.
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